CA2314883A1 - Production of syringyl lignin in gymnosperms - Google Patents

Abstract

The present invention relates to a method for producing syringyl lignin in gymnosperms. The production of syringyl lignin in gymnosperms is accomplished by genetically transforming a gymnosperm genome, which does not normally contain genes which code for enzymes necessary for production of syringyl lignin, with DNA which codes for enzymes found in angiosperms associated with production of syringyl lignin. The expression of the inserted DNA is mediated using host promoter regions in the gymnosperm. In addition, genetic sequences which code for gymnosperm lignin anti-sense mRNA may be incorporated into the gymnosperm genome in order to suppress the formation of the less preferred forms of lignin in the gymnosperm such as guaiacyl lignin.

Description

This application claims the benefit of U.S. Provisional Application number 60/033,381, filed December 16, 1996. The invention relates to the molecular modification of gymnosperms in order to cause the production of syringyl units during lignin biosynthesis and to production and propagation of gymnosperms containing syringyl lignin.
Lignin is a major pan of the supportive structure of most woody plants including angiosperm and gymnosperm trees which in turn are the principal sources of fiber for making paper and cellulosic products. In order to liberate fibers from wood structure in a manner suitable for making many grades of paper, it is necessary to remove much of the lignin from the fiber/lignin network. Lignin is removed from wood chips by treatment of the chips in an alkaline solution at elevated temperatures and pressure in an initial step of papecmaking processes. The rate of removal of lignin from wood of different tree species varies depending upon lignin structure. Three different lignin structures have been identified in trees: p-hydroxyphenyl, guaiacyl and syringyl, which are illustrated in Fig.
1.
Angiosperm species, such as Liquidambar Styraciflua L. [sweetgum], have lignin composed of a mixture of guaiacyl and syringyl monomer units. In contrast, gymnosperm species such as Pines taeda L. [loblolly pine] have lignin which is devoid of syringyl monomer units.
Generally speaking, the rate of delignification in a pulping process is directly proportional to the amount of syringyl lignin present in the wood. The higher delignification rates associated with species having a greater proportion of syringyl lignin result in more efficient pulp mill operations since the mills make better use of energy and capital investment and the environmental impact is lessened due to a decrease in chemicals used for delignification.
It is therefore an object of the invention to provide gymnosperm species which are easier to delignify in pulping processes.
Another object of the invention is to provide gymnosperm species such as loblolly pine which contain syringyl lignin.
An additional object of the invention is to provide a method for modifying genes involved in lignin biosynthesis in gymnosperm species so that production of syringyl lignin is increased while production of guaiacyl lignin is suppressed.
Still another object of the invention is to produce whole gymnosperm plants containing genes which increase production of syringyl lignin and repress production of guaiacyl lignin.
Yet another object of the invention is to identify, isolate and/or clone those genes in angiosperms responsible for production of syringyl lignin.
A further object of the invention is to provide, in gymnosperms, genes which produce syringyl . WO 99/31243 PCT/US98/26784 lignin.
Another object of the invention is to provide a method for making an expression cassette insertable into a gymnosperm cell for the purpose of inducing formation of syringyl lignin in a gymnosperm plant derived from the cell.
The term "promoter" refers to a DNA sequence in the S' flanking region of a given gene which is involved in recognition and binding of RNA polymerise and other transcriptional proteins and is required to initiate DNA transcription in cells.
The term "constitutive promoter" refers to a promoter which activates transcription of a desired gene, and is commonly used in creation of an expression cassette designed for preliminary experiments relative to testing of gene function. An example of a constitutive promoter is 35S CaMV, available from Clonetech.
The term "expression cassette" refers to a double stranded DNA sequence which contains both promoters and genes such that expression of a given gene is acheived upon insertion of the expression cassette into a plant cell.
The term "plant" includes whole plants and portions of plants, including plant organs (e.g.
roots, stems, leaves, etc.) The term "angiosperm" refers to plants which produce seeds encased in an ovary. A specific example of an angiosperm is Liqtddambar styraciflua (L.)[sweetgum]. The angiosperm sweetgum produces syringyl lignin.
The tetrn "gymnosperm" refers to plants which produce naked seeds, that is, seeds which are not encased in an ovary. A specific example of a gymnosperm is Pinus taeda (L.)[loblolly pine]. The gymnosperm loblolly pine does not produce syringyl lignin.
~ummarv of the Inven ion With regard to the above and other objects, the invention provides a method for inducing production of syringyi lignin in gymnosperms and to gymnosperms which contain syringyl lignin for improved delignification in the production of pulp for papetrnaking and other applications. In accordance with one of its aspects, the invention involves cloning an angiosperm DNA sequence which codes for enzymes involved in production of syringyl lignin monomer units, fusing the angiosperm DNA sequence to a lignin promoter region to form an expression cassette, and inserting the expression cassette into a gymnosperm genome.
Enzymes required for production of syringyl lignin in an angiosperm are obtained by deducing an amino acid sequence of the enzyme, extrapolating an mRNA sequence from the amino acid sequence, constructing a probe for the corresponding DNA sequence and cloning the DNA sequence which codes for the desired enzyme. A promoter region specific to a gymnosperm lignin biosynthesis gene is identified by constructing a probe for a gymnosperm lignin biosynthesis gene. sequencing the 5' flanking region of the DNA which encodes the gymnosperm lignin biosynthesis gene to locate a promoter sequence, and then cloning that sequence.
An expression cassette is constructed by fusing the angiosperm syringyl lignin DNA sequence to the gymnosperm promoter DNA sequence. Alternatively, the angiosperm syringyl lignin DNA is fused to a constitutive promoter to form an expression cassette. The expression cassette is inserted into the gymnosperm genome to transform the gymnosperm genome. Cells containing the transformed genome are selected and used to produce a transformed gymnosperm plant containing syringyl lignin.
In accordance with the invention, the angiosperm gene sequences bi-OMT, 4CL, P450-1 and P450-2 have been determined and isolated as associated with production of syringyl lignin in sweetgtun and lignin promoter regions for the gymnosperm loblolly pine have been determined to be the 5' flanking regions for the 4CL1B, 4CL3B and PAL gymnosperm lignin genes.
Expression cassettes containing sequences of selected genes from sweetgum have been inserted into loblolly pine embryogenic cells and presence of sweetgum genes associated with production of syringyl lignin has been confirmed in daughter cells of the resulting loblolly pine embryogenic cells.
The invention therefore enables production of gymnosperms such as loblolly pine containing genes which code for production of syringyl lignin, to thereby produce in such species syringyl lignin in the wood structure for enhanced pulpability.
Brief Deseri tion of jhe DrawInQc The above and other aspects of the invention will now be further described in the following detailed specification considered in conjunction with the following drawings in which:
Fig. 1 illustrates a generalized pathway for lignin synthesis; and Fig. 2 illustrates a bifunctional-O-methyl transferase (bi-0MT) gene sequence involved in the production of syringyl lignin in an angiosperm (SEQ ID 5 and 6);
Fig. 3 illustrates a 4-coumarate CoA ligase ( 4CL) gene sequence involved in the production of syringyl lignin in an angiosperm (SEQ ID 7 and 8);
Fig. 4 illustrates a P450-1 gene sequence involved in the production of syringyl lignin in an angiosperm (SEQ ID 1 and 2);
Fig. 5 illustrates a P450-2 gene sequence involved in the production of syringyl lignin in an angiosperm (SEQ ID 3 and 4);
Fig. 6 illustrates nucleotide sequences of the 5' flatrking region of the loblolly pine 4CL1B gene showing the location of regulatory elements for lignin biosynthesis (SEQ ID
10);
Fig. 7 illustrates nucleotide sequences of the 5' flanking region of the loblolly pine 4CL3B gene showing the location of regulatory elements for lignin biosynthesis (SEQ ID
11);
Fig. 8 illustrates nucleotide sequences of the 5' flatrking region of loblolly pine PAL gene showing the location of regulatory elements for lignin biosynthesis (SEQ ID
9);
Fig. 9 illustrates a PCR confirmation of the sweetgum P450-1 gene sequence in transgenic loblolly pine cells.
In accordance with the invention, a method is provided for modifying a gymnosperm genome, such as the genome of a loblolly pine, so that syringyl lignin will be produced in the resulting plant, thereby enabling cellulosic fibers of the same to be more easily separated from lignin in a pulping process. In general, this is accomplished by fusing one or more angiosperm DNA
sequences (referred to at times herein as the "ASL DNA sequences") which are involved in production of syringyl lignin to a gymnosperm lignin promoter region (referred to at times herein as the "GL
promoter region") specific to genes involved in gymnosperm lignin biosynthesis to form a gymnosperm syringyl lignin expression cassette (referred to at times herein as the "GSL expression cassette").
Alternatively, the one or more ASL DNA sequences are fused to one or more constitutive promoters to form a GSL expression cassette.
The GSL expression cassette preferably also includes selectable marker genes which enable transformed cells to be differentiated from untransformed cells. The GSL
expression cassette containing selectable marker genes is inserted into the gymnosperm genome and transformed cells are identified and selected, from which whole gymnosperm plants may be produced which exhibit production of syringyl lignin.
To suppress production of less preferred forms of lignin in gymnosperms, such as guaiacyl lignin, genes from the gymnosperm associated with production of these less preferred forms of lignin are identified, isolated and the DNA sequence coding for anti-sense mRNA
(referred to at times herein as the "GL anti-sense sequence") for these genes is produced. The DNA sequence coding for anti-sense mRNA is then incorporated into the gymnosperm genome, which when expressed bind to the less preferred guaiacyl gymnosperm lignin mRNA, inactivating it.
Further features of these and various other steps and procedures associated with practice of the invention will now be described in more detail beginning with identification and isolation of ASL DNA
sequences of interest for use in inducing production of syringyl lignin in a gymnosperm.
Determination of DNA ~quence For Genes Associated with Prod~rrinn ~f ~,~gy.
The general biosynthetic pathway for production of lignin has been postulated as shown in Fig.
1. From Fig. 1, it can be seen that the genes CCL, OMT and FSH (which is from the class of P450 genes) tray play key roles in production of syringyl lignin in some plant species, but their specific contributions and mechanisms remain to be positively established. It is suspected that the CCL, OMT
and FSH genes may have specific equivalents in a specific angiosperm, such as sweetgum.
Accordingly, one aim of the present invention is to identify, sequence and clone specific genes of interest from an angiosperm such as sweetgum which are involved in production of syringyl lignin and to then introduce those genes into the genome of a gymnosperm, such as loblolly pine, to induce production of syringyl lignin.
Genes of interest may be identified in various ways, depending on how much information about the gene is already known. Genes believed to be associated with production of syringyl lignin have already been sequenced from a few angiosperm species, viz, CCL and OMT.
DNA sequences of the various CCL and OMT genes are compared to each other to determine if there are conserved regions. Once the conserved regions of the DNA sequences are identified, primers homologous to the conserved sequences are synthesized. Reverse transcription of the DNA-free total RNA which was purified from sweetgum xylem tissue, followed by double PCR
using gene-specific primers, enables production of probes for the CCL and OMT genes.
A sweetgum cDNA library is constructed in a host, such as lambda ZAPII, available from Stratagene, of LaJolla, CA, using poly(A) +RNA isolated from sweetgum xylem, according to the methods described by Bugos et al. (1995 Biotechniques 19:734-737). The above mentioned probes are used to assay the sweetgum cDNA library to locate cDNA which codes for enzymes involved in production of syringyl lignin. Once a syringyl lignin sequence is located, it is then cloned and sequenced according to known methods which are familiar to those of ordinary skill.
In accordance with the invention, two sweetgum syringyl lignin genes have been determined using the above-described technique. These genes have been designated 4CL and bi-OMT. The sequence obtained for the sweetgum syringyl lignin gene, designated bi-OMT, is illustrated in Fig. 2 (SEQ ID 5 and 6). The sequence obtained for the sweetgum syringyl lignin gene, designated 4CL, is illustrated in Fig. 3 (SEQ 1D 7 and 8).
An alternative procedure was employed to identify the FSH equivalent genes in sweetgum.
Because the DNA sequences for similar P450 genes from other plant species were known, probes for the P450 genes were designed based on the conserved regions found by comparing the known sequences for similar P450 genes. The known P450 sequences used for comparison include all plant P450 genes in the GenBank database. Primers were designed based on two highly conserved regions which are common to all known plant P450 genes. The primers were then used in a PCR reaction with the sweetgum cDNA library as a template. Once P450-like fragments were located, they were amplified using standard PCR techniques, cloned into a pBluescript vector available from Stratagene of LaJolla, CA and transformed into a DHSa E. coli strain available from Gibco BRL of Gaithersburg, MD.
After E. coli colonies were tested in order to determine that they contained the P450-like DNA
fragments, the fragments were sequenced. Several P450-like sequences were located in sweetgum using the above described technique. One P450-like sequence was sufficiently different from other known P450 sequences to indicate that it represented a new P450 gene family.
This potentially new P450 cDNA fragment was used as a probe to screen two full length clones from the sweetgum xylem cDNA library. These putative hydroxylase clones were designated P450-1 and P450-2. The sequences obtained for P450-1 and P450-2 are illustrated in Fig. 4 (SEQ ID 1 and 2) and Fig. 5 (SEQ ID 3 and 4).
lt.Identification of Gene Promoter RgEion~
In order to locate gymnosperm lignin promoter regions, probes are developed to locate lignin genes. After the gymnosperm lignin gene is located, the portion of DNA
upstream from the gene is sequenced, preferably using the GenomeWalker Kit, available from Clontech. The portion of DNA
upstream from the lignin gene will generally contain the gymnosperm lignin promoter region.
Gymnosperm genes of interest include CCL-like genes and PAL-like genes, which are beleived to be involved in the production of lignin in gymnosperms. Preferred probe sequences are developed based on previously sequenced genes, which are available from the gene bank.
The preferred gene bank accession numbers for the CCL-like genes include U39404 and U39405. A
preferred gene bank accession number for a PAL-like gene is U39792. Probes for such genes are constructed according to methods familiar to those of ordinary skill in the art. A genomic DNA library is constructed and DNA
fragments which code for gymnosperm lignin genes are then identified using the above mentioned probes. A preferred DNA library is obtained from the gymnosperm, Pinus taeda (L.)[Loblolly Pinej, and a preferred host of the genomic library is Lambda DashII, available from Stratagene of LaJolla, CA.
Once the DNA fragments which code for the gymnosperm lignin genes are located, the genomic region upstream from the gymnosperm lignin gene (the 5'flanking region) was identified. This region contains the GL promoter. Three promoter regions were located from gymnosperm lignin biosynthesis genes. The first is the 5'Hanking region of the loblolly pine 4CL1B gene, shown in Fig. 6 (SEQ ID 10). The second is the 5' flanking region of the loblolly pine gene 4CL3B, shown in Fig. 7 (SEQ ID 11). The third is the 5' flanking region of the toblolly pine gene PAL, shown in Fig. 8 (SEQ
ID 9).
1IL~F king the rL Promoter Region to the A L DNA Sectuene' The next step of the process is to fuse the GL promoter region to the ASL DNA
sequence to make a GSL expression cassette for insertion into the genome of a gymnosperm.
This may be accomplished by standard techniques. In a preferred method, the GL promoter region is first cloned into a suitable vector. Preferred vectors are pGEM7Z, available from Promega, Madison, WI and SK
available from Stratagene, of LaJolla, CA. After the promoter sequence is cloned into the vector, it is then released with suitable restriction enzymes. The ASL DNA sequence is released with the same restriction enzytne(s) and purified.

. WO 99/31243 PCT/US98/16784 The GL promoter region sequence and the ASL DNA sequence are then ligated such as with T4 DNA ligase, available from Promega, to form the GSL expression cassette.
Fusion of the GL and ASL
DNA sequence is confirmed by restriction enzyme digestion and DNA sequencing.
After confirmation of GL promoter-ASL DNA fusion, the GSL expression cassette is released from the original vector with suitable restriction enzymes and used in construction of vectors for plant transformation.
IV. Fusing the ASL DNA ce~auence to a Gotictitutive Promoter~~,gion In an alternative embodiment, a standard constitutive promoter may be fused with the ASL
DNA sequence to make a GSL expression cassette. For example, a standard constitutive promoter may be fused with P450-1 to form an expression cassette for insertion of P450-1 sequences into a gymnosperm genome. In addition, a standard constitutive promoter may be fused with P450-2 to form an expression cassette for insertion of P450-2 into a gymnosperm genome. A
constitutive promoter for use in the invention is the double 35S promoter.
In the preferred practice of the invention using constitutive promoters, a suitable vector such as pBI221, is digested by XbaI and HindID to release the 35S promoter. At the same time the vector pHygro, available from International Paper, was digested by XbaI and HindIII
to release the double 35S
promoter. The double 35S promoter was ligated to the previously digested pBI221 vector to produce a new pBI221 with the double 35S promoter. This new pBI221 was digested with SacI and SmaI, to release the GUS fragment. The vector is next treated with T4 DNA polymerise to produce blunt ends and the vector is self ligated. This vector is then further digested with BatnHI and XbaI, available from Promega. After the pBI221 vector containing the constitutive promoter region has been prepared, lignin gene sequences are prepared for insertion into the pBI221 vector.
The coding regions of sweetgum P450-1 or P450-2 are amplified by PCR using primer with restriction sites incorporated in the 5' and 3' ends. 1n one example, an XbaI
site was incorporated at the 5' end and a BamHI site was incorporated at the 3' end of the sweetgum P450-1 or P450-2 genes.
After PCR, the P450-1 and P450-2 genes were separately cloned into a TA vector available from Invitrogen. The TA vectors containing the P450-1 and P450-2 genes, respectively, were digested by XbaI and BamHI to release the P450-1 or P450-2 sequences.
The p35SS vector, described above, and the isolated sweetgum P450-1 or P450-2 fragments were then ligated to make GLS expression cassettes containing the constitutive promoter.
V. Inserting th xpre ion a ette into theS"yrmnosperm Genome There are a number of methods by which the GSL expression cassette may be inserted into a target gymnosperm cell. One method of inserting the expression cassette into the gymnospetirt is by micro-projectile bombardment of gymnosperm cells. For example, embryogenic tissue cultures of loblolly pine may be initiated from immature zygotic embryos. Tissue is maintained in an undifferentiated state on semi-solid proliferation medium. For transformation, embryogenic tissue is suspended in liquid proliferation medium. Cells are then sieved through, a preferably 40 mesh screen.
to separate small, densely cytoplasmic cells from large vacuolar cells.
After separation, a portion of the liquid cell suspension fraction is vacuum deposited onto filter paper and placed on semi-solid proliferation medium. The prepared gymnosperm target cells are then grown for several days on filter paper discs in a petri dish.
A 1:1 mixture of plasmid DNA containing the selectable marker expression cassette and plasmid DNA containing the P450-1 expression cassette may be precipitated with gold to form microprojectiies. The microprojectiles are rinsed in absolute ethanol and aliqots are dried onto a suitable macrocarrier such as the macrocarrier available from BioRad in Hercules, CA.
Prior to bombardment, embryogenic tissue is preferably desiccated under a sterile laminar-flow hood. The desiccated tissue is transferred to semi-solid proliferation medium.
The prepared microprojectiles are accelerated from the macrocarrier into the desiccated target cells using a suitable apparatus such as a BioRad PDS-1000/HE particle gun. In a preferred method, each plate is bombarded once, rotated 180 degrees, and bombarded a second time. Preferred bombardment parameters are 1350 psi rupture disc pressure, 6 tnm distance from the rupture disc to macrocarrier (gap distance), 1 cm macrocarrier travel distance, and 10 cm distance from macrocarrier stopping screen to culture plate (microcarrier travel distance). Tissue is then transferred to semi-solid proliferation medium containing a selection agent, such as hygromycin B, for two days after bombardment.
Other methods of inserting the GSL expression cassette include use of silicon carbide whiskers, transformed protoplasts, Agrobacterium vectors and electroporation.
VI. Identifiring Transformed Cellc In general, insertion of the GSL expression cassette will typically be carried out in a mass of cells and it will be necessary to determine which cells harbor the recombinant DNA molecule containing the GSL expression cassette. Transformed cells are first identified by their ability to grow vigorously on a medium containing an antibiotic which is toxic to non-transformed cells. Preferred antibiotics are kanamycin and hygromycin B. Cells which grow vigorously on antibiotic containing medium are further tested for presence of either portions of the plasmid vector, the syringyl lignin genes in the GSL expression cassette; e.g. the angiosperm bi-OMT, 4CL, P450-1 or P450-2 gene, or by testing for presence of other fragments in the GSL expression cassette.
Specific methods which can be used to test for presence of portions of the GSL expression cassette include Southern blotting with a labeled complementary probe or PCR amplification with specific complementary primers. In yet another approach, an expressed syringyl lignin enzyme can be detected by Western blotting with a specific antibody, or by assaying for a functional property such as the appearance of functional eruymatic activity.
_g-V11. Production of a vmnosperm Plant from the Tran foamed y no il Once transformed embryogenic cells of the gymnosperm have been identified, isolated and multiplied, they may be grown into plants. It is expected that all plants resulting from transformed cells will contain the GSL expression cassette in all their cells, and that wood in the secondary growth stage of the mature plant will be characterized by the presence of syringyl lignin.
Transgenic embryogenic cells are allowed to replicate and develop into a somatic embryo, which are then converted into a somatic seedling.
VIII. Identification prnri~lf finn ~nri tnos.r:.... .,E ~ r1 ..,.DwT A A _.:
o____ n In addition to adding ASL DNA sequences, anti-sense sequences may be incorporated into a gymnosperm genome, via GSL expression cassettes, in order to suppress formation of the less preferred native gymnosperm lignin. To this end, the gymnosperm lignin gene is first located and sequenced in order to determine its nucleotide sequence. Methods for locating and sequencing amino acids which have been previously discussed may be employed. For example, if the gymnosperm lignin gene has already been purified, standard sequencing methods may be employed to determine the DNA nucleic acid sequence.
If the gymnosperm lignin gene has not been purified and functionally similar DNA or mRNA
sequences from similar species are known, those sequences may be compared to identify highly conserved regions and this information used as a basis for the construction of a probe. A gymnosperm cDNA or genomic library can be probed with the above mentioned sequences to locate the gymnosperm lignin cDNA or genomic DNA. Once the gymnosperm lignin DNA is located, it may be sequenced using standard sequencing methods.
After the DNA sequence has been obtained for a gymnosperm lignin sequence, the complementary anti-sense strand is constructed and incorporated into an expression cassette. For example, the GL mRNA anti-sense sequence may be fused to a promoter region to form an expression cassette as described above. In a preferred method, the GL mRNA anti-sense sequence is incorporated into the previously discussed GSL expression cassette which is inserted into the gymnosperm genome as described above.
In the absence of external cofactors such as NADPH (an electron donor in reductive biosyntheses), certain angiosperm lignin genes such as the P450 genes may remain inactive or not acheive full or desired activity after insertion into the genome of a gymnosperm. Inactivity or insufficient activity can be determined by testing the resulting plant which contains the P450 genes for the presence of syringyl lignin in secondary growth. It is known that cytochrome P450 reductase (CPR) may be involved in promoting certain reductive biochemicai reactions, and may activate the desired _g_ expression of genes in many plants. Accordingly, if it is desired to enhance the expression of the angiosperm syringyl lignin genes in the gymnosperm, CPR may be inserted in the gymnosperm genome. In order to express CPR, the DNA sequence of the enzyme is ligated to a constitutive promoter or, for a specific species such as loblolly pine, xylem-specific lignin promoters such as PAL, 4CLIB or 4CL3B to form an expression cassette. The expression cassette may then be inserted into the gymnosperm genome by various methods as described above.
X. Elm lec The following non-limiting examples illustrate further aspects of the invention. In these examples, the angiosperm is Liquidambar styraciflua (L.)[sweetgumJ and the gymnosperm is Pinus taeda (L.)[loblolly pine]. The nomenclature for the genes referred to in the examples is as follows:
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.. .. .. . ..............................,i,.:.:h.,:ff,::.,:v yy~,~",~1 4CL (angiosperm) bi-0MT (angiosperm) bifunctional-O-methyl transferase P450-1 (angiosperm) cytochrome P450 P450-2 (angiosperm) cytochrome P450 PAL (gymnosperm) phenyIalanine ammonia-lyase 4CL1B (gymnosperm) 4-coumarate CoA Iigase 4CL3H ( os rm) 4-coumarate CoA li ase Example 1 - Icolating and ~P~nP..~ing.bi OMT and 4~'1 rPnec from ~j~,~
A cDNA library for Sweetgum was constructed in Lambda ZAPII, available from Stratagene, of Lalolla, CA, using poly(A) +RNA isolated from Sweetgum xylem tissue. Probes for bi-OMT and 4CL were obtained through reverse transcription of their mRNAs and followed by double PCR using gene-specific primers which were designed based on the OMT and CCL cDNA
sequences obtained from similar genes cloned from ocher species.
Four primers were used for amplifying OMT fragments. One was an oligo-dT
primer. One was a bi-OMT primer, (which was used to clone gene fragments through modified differential display technique, as described below in Example 2) and the other two were degenerate primers, which were based on the conserved sequences of all known OMTs. The two degenerate primers were derived based on the following amino acid sequences:
5'- Gly Gly Met Ala Thr Tyr Cys Cys Ala Thr Thr Tyr Ala Ala Cys Ala Ala Gly Gly Cys-3' (primer f/22) and 3'-Ala Ala AIa Gly Ala Gly Ala Gly Asn Ala Cys Asn Asn Ala Asn Asn Ala Asn Gly Ala-5' (primer ti23).
A 900 by PCR product was produced when oligo-dT primer and primer X22 were used, and a 550 by fragment was produced when primer numbers 22 and 23 were used.
Three primers were used for amplifying CCG fragments. They were derived from the following amino acid sequences:
5'-Thr Thr Gly Gfy Ala Thr Cys Cys Gly Gly Ile Ala Cys Ile Ala Cys Ile Gly Gly Ile Tyr Thr Ile Cys Cys Ile Ala Ala Arg Gly Gly-3' (primer R1S) 5'-Thr Thr Gly Gly Ala Thr Cys Cys Gly Thr 11e Gly Thr Ile Gly Cys Ile Cys Ala Arg Cys Ala Arg Gly Thr Ile Gly Ala Tyr Gly Gly-3' (primer H1S) and 3'-Cys Cys Ile Cys Thr Tyr Thr Ala Asp Ala Cys Arg Thr Ala Asp Gly Cys Iie Cys Cys Ala Gly Cys Thr Gly Thr Ata-S' (primer R2A) R1S and H1S were both sense primers. Primer R2A was an anti-sense primer. A
650 by fragment was produced if R1S and R2A primers were used and a 550 by fragment was produced when primers H1S and R2A were used. The sequence of these three primers were derived from conserved sequences for plant CCLs.
The reverse transcription-double PCR cloning technique used for these examples consisted of adding 10 ug of DNA-free total RNA in 25u1 DEPC-treated water to a microfuge tube. Next, the following solutions were added:
a. Sx Reverse transcript buffer 8.Oul, b. 0.1 M DTT 4.0 ~I
c. 10 mM dNTP 2.0 ~1 d. 100 ~cM oligo-dT primers 8.0 ~cl e. Rnasin 2.0 ~cl f. Superscript II 1.0 P.1 After mixing, the tube was incubated at a temperature of 42 ° C for one ( 1 ) hour, followed by incubation at 70° C for fifteen (15) minutes. Forty (40) ~d of 1N NaOH
was added and the tube was further incubated at 68° C for twenty (20) minutes. After the incubation periods, 80 ~1 of 1N HCI was added to the reaction mixture. At the same time, 17 P,I NaOAc, 5 ~d glycogen and 768 p.l of 10096 ethanol were added and the reaction mixture was maintained at -80° C
for 15 minutes in order to precipitate the cDNA. The precipitated cDNA was centrifuged at high speed at 4° C for 15 minutes.
The resulting pellet was washed with 70 % ethanol and then dried at room temperature, and then was dissolved in 20 gel of water.
The foregoing procedure produced purified cDNA which was used as a template to carry out first round PCR using primers 1122 and oligo-dT for cloning OMT cDNA and primer R1S and R2A for cloning 4CL cDNA. For the first round PCR, a master mix of SO~eI for each reaction was prepared.
Each SO~cI mixture contained:
a. IOx buffer S~.l b. 25 mM MgCIZ 5~1 c. 100 ~M sense primer lid (primer f122 for OMT and primer R1S for CCL).
d. 100 ~,1 anti-sense primer 1 ~1 (oligo-dT primer for OMT and R2A for CCL).
e. IO mM dNTP 1 ~cl f. Taq. DNA polymerase 0.5 ~1 Of this master mix, 48 ~I was added into a PCR tube containing 2 wl of cDNA
for PCR. The tube was heated to 95° C for 45 seconds, 52°C for one minute and 72° C for two minutes. This temperature cycle was repeated for 40 cycles and the mixture was then held at 72° C for 10 minutes.
The cDNA fragments obtained from the first round of PCR were used as templates to perform the second round of PCR using primers 22 and 23 for cloning bi-OMT cDNA and primer H1S and R2A
for cloning 4CL cDNA. The second round of PCR conditions were the same as the first round The desired cDNA fragment was then sub-cloned and sequenced. After the second round of PCR, the product with the predicted size was excised from the gel and ligated into a pUCl9 vector, available from Clonetech, of Palo Alto, CA, and then transformed into DHSa, an E. coli strain , available from Gibco BRL, of Gaithersburg, MD. After the inserts had been checked for correct size, the colonies were isolated and plasmids were sequenced using a Sequenase kit available from USB, of Cleveland, OH. The sequences are shown in Fig. 2 (SEQ ID 5 and 6) and Fig. 3 (SEQ ID 7 and 8).
As previously mentioned, one bi-OMT clone was produced via modified differential display technique. This method is another type of reverse transcription-PCR, in which DNA-free total RNA
was reverse transcribed using oligo-dT primers with a single base pair anchor to form cDNA. The oligo-dT primers used for reverse transcription of mRNA to synthesize cDNA
were:
T11A: 'I"I"TZ"I'I'1"I'I'I'I'A, T 11 C: TI"I"ITT'I"ITITC, and T11G: TTI"I1"I"I"ITITG, These cDNAs were then used as templates for radioactive PCR which was conducted in the presence of the same oligo-dT primers as listed above, a bi-OMT gene-specific primer and 35S-dATP.
The OMT gene-specific primer was derived from the following amino acid sequence: 5'-Cys Cys Asn Gly Gly Asn Gly Gly Ser Ala Arg Gly Ala-3'.
The following PCR reaction solutions were combined in a microfuge tube:
a. HBO 9.2~c1, b. Taq Buffer 2.01 c. dNTP (25~cM) 1.6~d d. Primers (5 ~cM) 2 ul, for each primer e. 'sS-dATP 1~1 f. Taq. pol. 0.2,1 g. cDNA 2Ø1.
The tube was heated to a temperature of 94° C and held for 45 seconds, then at 37° C for 2 minutes and then 72°C for 45 seconds for forty cycles, followed by a final reaction at 72°C for 5 minutes.
The. amplified products were fractionated on a denaturing polyacrylamide sequencing gel and autoradiography was used to identify and excise the fragments with a predicted size. The designed OMT gene-specific primer had a sequence conserved in a region toward the 3'-end of the OMT cDNA
sequence. This primer, together with oligo-dT, was amplified into a OMT cDNA
fragment of about 300 bp.
Three oligo-dTs with a single base pair of A, C or G, respectively, were used to pair with the OMT gene-specific primer. Eight potential OMT cDNA fragments with predicted sizes of about 300 by were excised from the gels after several independent PCR rounds using different combinations of oligo-dT and OMT gene-specific oligo-nucleotides as primers.
The OMT cDNA fragments were then re-amplified. A Southern blot analysis was performed for the resulting cDNAs using a 360 base-pair, '~P radio-isotope labeled, aspen OMT cDNA 3'-end fragment as a probe to identify the cDNA fragments having a strong hybridization signal, under low stringency conditions. Eight fragments were identified. Out of these eight cDNA fragments, three were selected based on their high hybridization signal for sub-cloning and sequencing. One clone, LsOMT3'-1, (where the "Ls" prefix indicates that the clone was derived from the Liquidambar sryraciflua (L.) genome) was confirmed to encode bi-OMT based on its high homology to other lignin-specific plant OMTs at both nucleotide and amino acid sequence levels.
A cDNA library was constructed in Lambda ZAP II, available from Stratagene, of LaJolla, CA, using SPg poly(A)+RNA isolated from sweetgum xylem tissue. The primary library consisting of approximately 0.7 x 106 independent recombinants was amplified and approximately 10' plaque-forming-units (pfu) were screened using a homologous 550 base-pair probe. The hybridized filter was washed at high stringency (0.25 x SSC, 0.1 ~ SDS, 65 ° C) conditions. The colony containing the bi-OMT fragment identified by the probe was eluted and the bi-OMT fragment was produced. The sequence as illustrated in Fig. 2 (SEQ ID 5 and 6) was obtained.
1n order to find putative P450 cDNA fragments as probes for cDNA library screening, a highiy degenerated sense primer based on the amino acid sequence of 5'-Glu, Gtu, Phe, Arg, Pro, Glu, Arg-3' was designed based on the conserved regions found in some plant P450 proteins.
This conserved domain was located upstream of another highly conserved region in P450 proteins, which had an amino acid sequence of 5'-Phe Gly Xaa Gly Xaa Xaa Cys Xaa Gly-3'. This primer was synthesized with the incorporation of an XboI restriction site to give a 26-base-pair oligomer.
This primer and the oligo-dT-XhoI primer were then used to perform PCR
reactions with the sweetgum cDNA library as a template. The cDNA library was constructed in Lambda ZAPII, available from Stratagene, of LaJolla, CA, using poly(A) +RNA isolated from Sweetgum xylem tissue.
Amplified fragments of 300 to 600 by were obtained. Because the designed primer was located upstream of the highly conserved P450 domain, this design distinguished whether the PCR products were P450 gene fragments depending on whether they contained the highly conserved amino acid domain.
All the fragments obtained from the PCR reaction were then cloned into a pUC
19 vector, available from New England Biolab, Beverly, MA, and transformed into a DHSa E.
coli strain, available from Gibco BRL, of Gaithersburg, MD.
Twenty-four positive colonies were obtained and sequenced. Sequence analysis indicated four groupings within the twenty-four colonies. One was C4H, one was an unknown P450 gene, and two did not belong to P450 genes. Homologies of P450 genes in different species are usually more than 80°.&. Because the homologies between the P450 gene families found here were around 409b, the sequence analysis indicated that a new P450 gene family was sequenced.
Moreover, since this P450 cDNA was isolated from xylem tissue, it was highly probable that this P450 gene was P450-1.
The novel sweetgum P450 cDNA fragment was used as a probe to screen a full length cDNA
encoding for P450-1. Once the P450-1 gene was located it was sequenced. The length of the P450-1 cDNA is 1707 by and it contains 45 by of 5' non-coding region and 135 by of 3' non-coding region.
The deduced amino acid sequence also indicates that this P450 cDNA has a hydrophobic core at the N-terminal, which could be regarded as a leader sequence for c-translational targeting to membranes during protein synthesis. At the C-terminal region, there is a heme binding domain that is characteristic of all P450 genes. The P450-1 sequence, as illustrated in Fig. 4 (SEQ ID 1 and 2), was produced, according to the above described methods.
By using similar strategy of synthesizing PCR primers from the published literature for hydroxylase genes in plants, another full length P450 cDNA has been isolated that shows significant similarity with a putitive FSH clone from Arabidopsis (Meyers et al. 1996:
PNAS 93, 6869-6874).
This cloned cDNA, designated P450-2, contains 1883 by and encodes an open reading frame of 511 amino acids. The amino acid similarity shared between Arabidopsis FSH and the P450-2 sweetgum clone is about 75 ~ .
To confirm the function of the FASH-2 gene, it was expressed in E.coli, strain, DHS alpha, via pQE vector preparation, according to directions available with the kit. A CO-Fe=' binding assay was also performed to confirm the expression of P450-2 as a functional P450 gene.
(Omura & Sato 1964, J. of Biochemistry 239: 2370-2378, Babriac et.al. 1991 Archives of Biochemistry and Bio~y i c 288:302-309). The CO-Fe=' binding assay showed a peak at 450nm which indicates that P450-2 has been overexpressed as a functional P450 gene.
The P450-2 protein was further purified for production of antibodies in rabbits, and antibodies have been successfully produced. In addition, Western blots show that this antibody is specific to the membrane fraction of sweetgum and aspen xylem extract. When the P450-2 antibody was added to a reaction mixture containing aspen xylem tissue, enryme inhibition studies showed that the activity of FASH in aspen was reduced more than 60~, a further indication that P450-2 performs a P450-like function. Recombinant P450-2 protein co-expressed with Arabidopsis CPR protein in a baculovitus expression system hydroxylated ferulic acid (specific activity: 7.3 pKat/mg protein), cinnamic acid (specific activity: 25 pKat/mg protein), and p-coumaric acid (specific activity: 3.8 pKat/mg protein).
The P450-2 enzyme which may be referred to as C4C3F5-H appears to be a broad spectrum hydroxylase in the phenylproponoid pathway in plants. Fig. 5 (SEQ ID 3 and 4) illustrates the P450-2 sequence.
F'rlle 5 - Identifv~~~~Rerm Prnmntwr RP$'~c In order to identify gymnosperm promoter regions, sequences from loblolly pine PAL and 4CL1B and 4CL3B lignin genes were used as primers to screen the loblolly pine genomic library, using the GenomeWalker Kit. The loblolly pine PAL primer sequence was obtained from the GenBank, reference number U39792. The loblolly pine 4CL1B primer sequences were also obtained from the gene bank, reference numbers U39404 and U39405.
The loblolly pine genomic library was constructed in Lambda DashII, available from Stratagene, of LaJolla, CA. 3 x 106 phage plaques from the genomic library of loblolly pine were screened using both the above mentioned PAL cDNA and 4CL (PCR clone) fragments as probes. Five 4CL clones were obtained after screening. Lambda DNAs of two 4CL of the five 4CL clones obtained after screening were isolated and digested by EcoRV, PstI, SaII and XbaI for Southern analysis.
Southern analysis using 4CL fragments as probes indicated that both clones for the 4CL gene were identical. Results from further mapping showed that none of the original five 4CL clones contained promoter regions. When tested, the PAL clones obtained from the screening also did not contain promoter regions.
In a second attempt to clone the promoter regions associated with the PAL and 4CL a Universal GenomeWalker(TM) kit, available from Clontech, was used. In the process, total DNA from loblolly pine was digested by several restriction enzymes and ligated into the adaptors (libraries) provided with the kit. Two gene-specific primers for each gene were designed (GSP1 and 2).
After two rounds of PCR using these primers and adapter primers of the kit, several fragments were amplified from each library. A 1.6 kb fragment and a 0.6 kb fragment for PAL gene and a 2.3 kb fragment (4CL1B) and a 0.7 kb fragment (4CL3B) for the 4CL gene were cloned, sequenced and found to contain promoter regions for all three genes. See Fig. 6 (SEQ ID 10), 7 (SEQ ID 11) and 8 (SEQ
ID 9).
Fxnre ion arc tt Into a tyrmno~nerm Genome As a first step, a ASL DNA sequence, P450-1, was fused with a constitutive promoter region according to the methods described in the above Section IV to form an P450-1 expression cassette. A
second ASL DNA sequence, P450-2, was then fused with a constitutive promoter in the same manner to form a P450-2 expression cassette. The P450-1 expression cassette was inserted into the gymnosperm genome by micro-projectile bombardment. Embryogenic tissue cultures of loblolly pine were initiated from immature zygotic embryos. The tissue was maintained in an undifferentiated state on semi-solid proliferation medium, according to methods described by Newton et al. TAES Techn~j )~li~tj911 "Somatic Embryogenesis in Slash Pine", 1995 and Keinonen-Mettala et al. 1996, For.-Res.11:242-250.
After separation, 5 ml of the liquid cell suspension fraction which passes through the 40 mesh screen was vacuum deposited onto filter paper and placed on semi-solid proliferation medium. The prepared gymnosperm target cells were then grown for 2 days on filter paper discs placed on semi-solid proliferation medium in a petri dish. These target cells were then bombarded with plasmid DNA
containing the P450-1 expression cassette and an expression cassette containing a selectable marker gene encoding the enzyme which confers resistance to the antibiotic hygromycin B. A 1:1 mixture of of selectable marker expression cassette and plasmid DNA containing the P450-1 expression cassette is precipitated with gold (1.5-3.0 microns) as described by Sanford et al.
(1992). The DNA-coated microprojectiles were rinsed in absolute ethanol and aliquots of 10 P.1 (5 ug DNA/3mg gold) were dried onto a macrocarrier, such as those available from Bioltad (Hercules, CA).
Prior to bombardment, embryogenic tissue was desiccated under a sterile laminar-flow hood for 5 minutes. The desiccated tissue was transferred to semi-solid proliferation medium. The microprojectiles were accelerated into desiccated target cells using a BioRad PDS-1000/HE particle gun.
Each plate was bombarded once, rotated 180 degrees, and bombarded a second time. Prefernd bombardment parameters were 1350 psi rupture disc pressure, 6 mm distance from the rupture disc to macrocarrier (gap distance), 1 cm macrocarrier travel distance, and 10 cm distance from macrocarrier stopping screen to culture plate (microcarrier travel distance). Tissue was then transferred to semi-solid proliferation medium containing hygromycin B for two days after bombardment.
The P450-2 expression cassette was inserted into the gymnosperm genome according to the same procedures.

. WO 99/31243 PCT/US98/26784 After insenion of the P450-2 expression cassette and the selectable marker expression cassette into the gymnosperm target cells as described in Example 6, transformed cells were selected by exposure to an antibiotic that causes mortality of any cells not containing the GSL expression cassette.
Forty independent cell lines were established from cultures co-bombarded with an expression cassette containing a hygromycin resistance gene construct and the P450-1 construct.
These cell lines include lines Y2, Y17, Y7 and 04, as discussed in more detail below.
PCR techniques were then used to verify that the P450-1 gene had been successfully integrated into the genomes of the established cell lines by extracting genomic DNA using the Plant DNAeasy kit, available from Qiagen. 200 ng DNA from each cell line were used for each PCR
reaction. Two P450-1 specific primers were designed to perform a PCR reaction with a 600bp PCR product size.
The primers were:
LsP450-iml-S primer: ATGGCTTTCCTTCTAATACCCATCTC , and LsP450-iml-A primer: GGGTGTAATGGACGAGCAAGGACTTG.
Each PCR reaction (100 ~.1) consisted of 75 ~d HZO, 1 ~1 MgCl2 (25 mM), IO ~cl PCR buffer 1 ~1 IOmM dNTPs, and 10 P,1 DNA. 100 ~I oil was layered on the top of each reaction mix. Hot start PCR was done as follows: PCR reaction was incubated at 95 degrees C for 7 minutes and 1 ~d each of both LsP450-iml-S and LsP450-im1-A primers (100 P,M stock) and 1 ~I of Taq polymerise were added through oil in each reaction. The PCR program used was 95 degrees C for 1.5 minutes, 55 degrees C
for 45 seconds and 72 degrees C for 2 minutes, repeated for 40 cycles, followed by extension at 72 degrees C for 10 minutes.
The above PCR products were employed to determine if gymnosperm cells contained the angiosperm lignin gene sequences. With reference to Fig. 9, PCR amplification was performed using template DNA from cells which grew vigorously on hygromycin B-containing medium. The PCR
products were electrophoresed in an agarose gel containing 9 lanes. Lanes I-4 contained PCR
amplification of products of the Sweetgum P450-1 gene from a non-transformed control and transgenic loblolly pine cell lines. Lane 1 contained the non-transformed control PT52.
Lane 2 contained transgenic tine Y2. Lane 3 contained transgenic line Y17 and Lane 4 contained the plasmid which contains the expression cassette pSSLsP450-I-im-s. Lanes 2 through 4 all contain an amplified fragment of about 600 bp, indicating that the P450-1 gene has been successfully inserted into transgenic cell lines Y2 and Y I 7.
Lane 5 contained a DNA size marker Phi 174/HaeIII (BRL). The top four bands in this lane indicate molecular sizes of 1353, 1078, 872 and 603 bp.
Lanes 6-9 contained PCR amplification products of hygromycin B gene from non-transformed corttml and iransgenic loblolly pine cell lines. Lane 6 contained the non-transformed control line referenced to as PT52. Lane 7 contained transgenic line Y7. Lane 8 contained transgenic line 04.
Lane 9 contained the plasmid which includes the expression cassette containing the gene encoding the enzyme which confers resistance to the antibiotic hygromycin B. Lanes 7-9 ali show an amplified fragment of about 1000bp, indicating that the hygromycin gene has been successfully inserted into transgenic lines Y7 and 04.
These PCR results confirmed the presence of P450-1 and hygromycin resistance gene in transformed loblolly pine cell cultures. The results obtained from the PCR
verification of 4 cell lines, and similar tests with the remaining 36 cell lines, confirm stable integration of the P450-1 gene and the hygromycin B gene in 25 ~ of the 40 cell lines.
In addition, loblolly pine embryogenic cells which have been co-bombarded with the P450-2 and hygromycin B expression cassettes, are growing vigorously on hygromycin selection medium, indicating that the P450-2 expression cassette was successfully integrated into the gymnosperm genome.
Although various embodiments and features of the invention have been described in the foregoing detailed description, those of ordinary skill will recognize the invention is capable of numerous modifications, rearrangements and substitutions without departing from the scope of the invention as set forth in the appended claims. For example, in the case where the lignin DNA sequence is transcribed and translated to produce a functional syringyl lignin gene, those of ordinary skill will recognize that because of codon degeneracy a number of potynucleotide sequences will encode the same gene. These variants are intended to be covered by the DNA sequences disclosed and claimed herein.
In addition, the sequences claimed herein include those sequences with encode a gene having substantial functional identity with those claimed. Thus, in the case of syringyl lignin genes, for example, the DNA sequences include variant polynucleotide sequences encoding polypeptides which have substantial identity with the amino acid sequence of syringyl lignin and which show syringyl lignin activity in gymnosperms.

SEQUENCE LISTING
<110> Chiang, Vincent L
Carraway, Daniel T
Smeltzer, Richard H
<120> Production of Syringyl Lignin in Gymnosperms <130> 50617 <190> US 08/991,677 <191> 1997-12-16 <150> US 60/033,38I
<151> 1996-12-16 <160> 11 <170> PatentIn Ver. 2.0 <210> 1 <211> 1708 <212> DNA
<213> Liquidambar styraciflua <220>
<221> CDS
<222> (48)..(1571) <900> 1 cggcacgagg aaaccctaaa actcacctct cttacccttt ctcttca atg get ttc 56 Met Ala Phe ctt cta ata ccc atc tca ata atc ttc atc gtc tta get tac cag ctc 109 Leu Leu Ile Pro Ile Ser Ile Ile Phe Ile Val Leu Ala Tyr Gln Leu tat caa cgg ctc aga ttt aag ctc cca ccc ggc cca cgt cca tgg ccg 152 Tyr Gln Arg Leu Arg Phe Lys Leu Pro Pro Gly Pro Arg Pro Trp Pro atc gtc gga aac ctt tac gac ata aaa ccg gtg agg ttc cgg tgt ttc 200 Ile Val Gly Asn Leu Tyr Asp Ile Lys Pro Val Arg Phe Arg Cys Phe gcc gag tgg tca caa gcg tac ggt ccg atc ata tcg gtg tgg ttc ggt 248 Ala Glu Trp Ser Gln Ala Tyr Gly Pro Ile Ile Ser Val Trp Phe Gly tca acg ttg aat gtg atc gta tcg aat tcg gaa ttg get aag gaa gtg 296 Ser Thr Leu Asn Val Ile Val Ser Asn Ser Glu Leu Ala Lys Glu Val ctc aag gaa aaa gat caa caa ttg get gat agg cat agg agt aga tca 399 Leu Lys Glu Lys Asp Gln Gln Leu Ala Asp Arg His Arg Ser Arg Ser get gcc aaa ttt agc agg gat ggg cag gac ctt ata tgg get gat tat 392 Ala Ala Lys Phe Ser Arg Asp Gly Gln Asp Leu Ile Trp Ala Asp Tyr gga cct cac tat gtg aag gtt aca aag gtt tgt acc ctc gag ctt ttt 940 Gly Pro His Tyr Val Lys Val Thr Lys Val Cys Thr Leu Glu Leu Phe act cca aag cgg ctt gaa get ctt aga ccc att aga gaa gat gaa gtt 988 Thr Pro Lys Arg Leu Glu Ala Leu Arg Pro Ile Arg Glu Asp Glu Val aca gcc atg gtt gag tcc att ttt aat gac act gcg aat cct gaa aat 536 Thr Ala Met Val Glu Ser Ile Phe Asn Asp Thr Ala Asn Pro Glu Asn tat ggg aag agt atg ctg gtg aag aag tat ttg gga gca gta gca ttc 584 Tyr Gly Lys Ser Met Leu Val Lys Lys Tyr Leu Gly Ala Val Ala Phe aac aac att aca aga ctc gca ttt gga aag cga ttc gtg aat tca gag 632 Asn Asn Ile Thr Arg Leu Ala Phe Gly Lys Arg Phe Val Asn Ser Glu ggt gta atg gac gag caa gga ctt gaa ttt aag gaa att gtg gcc aat 680 Gly Val Met Asp Glu Gln Gly Leu Glu Phe Lys Glu Ile Val Ala Asn gga ctc aag ctt ggt gcc tca ctt gca atg get gag cac att cct tgg 728 Gly Leu Lys Leu Gly Ala Ser Leu Ala Met Ala Glu His Ile Pro Trp ctc cgt tgg atg ttc cca ctt gag gaa ggg gcc ttt gcc aag cat ggg 776 Leu Arg Trp Met Phe Pro Leu Glu Glu Gly Ala Phe Ala Lys His Gly gca cgt agg gac cga ctt acc aga get atc atg gaa gag cac aca ata 824 Ala Arg Arg Asp Arg Leu Thr Arg Ala Ile Met Glu Glu His Thr Ile gcc cgt aaa aag agt ggt gga gcc caa caa cat ttc gtg gat gca ttg 872 Ala Arg Lys Lys Ser Gly Gly Ala Gln Gln His Phe Val Asp Ala Leu ctc acc cta caa gag aaa tat gac ctt agc gag gac act att att ggg 920 Leu Thr Leu Gln Glu Lys Tyr Asp Leu Ser Glu Asp Thr Ile Ile Gly ctc ctt tgg gat atg atc act gca ggc atg gac aca acc gca atc tct 968 Leu Leu Trp Asp Met Ile Thr Ala Gly.Met Asp Thr Thr Ala Ile Ser gtc gaa tgg gcc atg gcc gag tta att aag aac cca agg gtg caa caa 1016 Val Glu Trp Ala Met Ala Glu Leu Ile Lys Asn Pro Arg Val Gln Gln aaa get caa gag gag cta gac aat gta ctt ggg tcc gaa cgt gtc ctg 1069 Lys Ala Gln Glu Glu Leu Asp Asn Val Leu Gly Ser Glu Arg Val Leu acc gaa ttg gac ttc tca agc ctc cct tat cta caa tgt gta gcc aag 1112 Thr Glu Leu Asp Phe Ser Ser Leu Pro Tyr Leu Gln Cys Val Ala Lys gag gca cta agg ctg cac cct cca aca cca cta atg ctc cct cat cgc 1160 Glu Ala Leu Arg Leu His Pro Pro Thr Pro Leu Met Leu Pro His Arg gcc aat gcc aac gtc aaa att ggt ggc tac gac atc cct aag gga tca 1208 Ala Asn Ala Asn Val Lys Ile Gly Gly Tyr Asp Ile Pro Lys Gly Ser aat gtt cat gta aat gtc tgg gcc gtg get cgt gat cca gca gtg tgg 1256 Asn Val His Val Asn Val Trp Ala Val Ala Arg Asp Pro Ala Val Trp cgt gac cca cta gag ttt cga ccg gaa cgg ttc tct gaa gac gat gtc 1304 Arg Asp Pro Leu Glu Phe Arg Pro Glu Arg Phe Ser Glu Asp Asp Val gac atg aaa ggt cac gat tat agg cta ctg ccg ttt ggt gca ggg agg 1352 Asp Met Lys Gly His Asp Tyr Arg Leu Leu Pro Phe Gly Ala Gly Arg cgt gtt tgc ccc ggt gca caa ctt ggc atc aat ttg gtc aca tcc atg 1400 Arg Val Cys Pro Gly Ala Gln Leu Gly Ile Asn Leu Val Thr Ser Met atg ggt cac cta ttg cac cat ttc tat tgg agc cct cct aaa ggt gta 1448 Met Gly His Leu Leu His His Phe Tyr Trp Ser Pro Pro Lys Gly Val aaa cca gag gag att gac atg tca gag aat cca gga ttg gtc acc tac 1996 Lys Pro Glu Glu Ile Asp Met Ser Glu Asn Pro Gly Leu Val Thr Tyr atg cga acc ccg gtg caa get gtt ccc act cca agg ctg cct get cac 1599 Met Arg Thr Pro Val Gln Ala Val Pro Thr Pro Arg Leu Pro Ala His ttg tac aaa cgt gta get gtg gat atg taattcttag tttgttatta 1591 Leu Tyr Lys Arg Val Ala Val Asp Met ttcatgctct taaggttttg gactttgaac ttatgatgag atttgtaaaa ttccaagtga 1651 tcaaatgaag aaaagaccaa ataaaaaggc ttgacgattt aaaaaaaaaa aaaaaaa 1708 <210> 2 <211> 508 <212> PRT
<213> Liquidambar styraciflua <900> 2 Met Ala Phe Leu Leu Ile Pro Ile Ser Ile Ile Phe Ile Val Leu Ala Tyr Gln Leu Tyr Gln Arg Leu Arg Phe Lys Leu Pro Pro Gly Pro Arg Pro Trp Pro Ile Val Gly Asn Leu Tyr Asp Ile Lys Pro Val Arg Phe Arg Cys Phe Ala Glu Trp Ser Gln Ala Tyr Gly Pro Ile Ile Ser Val Trp Phe Gly Ser Thr Leu Asn Val Ile Val Ser Asn Ser Glu Leu Ala Lys Glu Val Leu Lys Glu Lys Asp Gln Gln Leu Ala Asp Arg His Arg Ser Arg Ser Ala Ala Lys Phe Ser Arg Asp Gly Gln Asp Leu Ile Trp Ala Asp Tyr Gly Pro His Tyr Val Lys Val Thr Lys Val Cys Thr Leu Glu Leu Phe Thr Pro Lys Arg Leu Glu Ala Leu Arg Pro Ile Arg Glu Asp Glu Val Thr Ala Met Val Glu Ser Ile Phe Asn Asp Thr Ala Asn 195 . 150 155 160 Pro Glu Asn Tyr Gly Lys Ser Met Leu Val Lys Lys Tyr Leu Gly Ala Val Ala Phe Asn Asn Ile Thr Arg Leu Ala Phe Gly Lys Arg Phe Val Asn Ser Glu Gly Val Met Asp Glu Gln Gly Leu Glu Phe Lys Glu Ile Val Ala Asn Gly Leu Lys Leu Gly Ala Ser Leu Ala Met Ala Glu His Ile Pro Trp Leu Arg Trp Met Phe Pro Leu Glu Glu Gly Ala Phe Ala Lys His Gly Ala Arg Arg Asp Arg Leu Thr Arg Ala Ile Met Glu Glu His Thr Ile Ala Arg Lys Lys Ser Gly Gly Ala Gln Gln His Phe Val Asp Ala Leu Leu Thr Leu Gln Glu Lys Tyr Asp Leu Ser Glu Asp Thr Ile Ile Gly Leu Leu Trp Asp Met Ile Thr Ala Gly Met Asp Thr Thr Ala Ile Ser Val Glu Trp Ala Met Ala Glu Leu Ile Lys Asn Pro Arg 305 ~ 310 315 320 Val Gln Gli~ Lys Ala Gln Glu Glu Leu Asp Asn Val Leu Gly Ser Glu Arg Val Leu Thr Glu Leu Asp Phe Ser Ser Leu Pro Tyr Leu Gln Cys Val Ala Lys Glu Ala Leu Arg Leu His Pro Pro Thr Pro Leu Met Leu Pro His Arg Ala Asn Ala Asn Val Lys Ile Gly Gly Tyr Asp Ile Pro Lys Gly Ser Asn Val His Val Asn Val Trp Ala Val Ala Arg Asp Pro Ala Val Trp Arg Asp Pro Leu Glu Phe Arg Pro Glu Arg Phe Ser Glu Asp Asp Val Asp Met Lys Gly His Asp Tyr Arg Leu Leu Pro Phe Gly Ala Gly Arg Arg Val Cys Pro Gly Ala Gln Leu Gly Ile Asn Leu Val Thr Ser Met Met Gly His Leu Leu His His Phe Tyr Trp Ser Pro Pro Lys Gly Val Lys Pro Glu Glu Ile Asp Met Ser Glu Asn Pro Gly Leu Val Thr Tyr Met Arg Thr Pro Val Gln Ala Val Pro Thr Pro Arg Leu Pro Ala His Leu Tyr Lys Arg Val Ala Val Asp Met <210> 3 <211> 1883 <212> DNA
<213> Liquidambar styraciflua <220>
<221> CDS
<222> (74)..(1606) <900> 3 tgcaaacctg cacaaacaaa gagagagaag aagaaaaagg aagagaggag agagagagag 60 agagagagaa gcc atg gat tct tct ctt cat gaa gcc ttg caa cca cta 109 Met Asp Ser Ser Leu His Glu Ala Leu Gln Pro Leu ccc atg acg ctg ttc ttc att ata cct ttg cta ctc tta ttg ggc cta 157 Pro Met Thr Leu Phe Phe Ile Ile Pro Leu Leu Leu Leu Leu Gly Leu gta tct cgg ctt cgc cag aga cta cca tac cca cca ggc cca aaa ggc 205 Val Ser Arg Leu Arg Gln Arg Leu Pro Tyr Pro Pro Gly Pro Lys Gly tta ccg gtg atc gga aac atg ctc atg atg gat caa ctc act cac cga 253 Leu Pro Val Ile Gly Asn Met Leu Met Met Asp Gln Leu Thr His Arg gga ctc gcc aaa ctc gcc aaa caa tac ggc ggt cta ttc cac ctc aag 301 Gly Leu Ala Lys Leu Ala Lys Gln Tyr Gly Gly Leu Phe His Leu Lys atg gga ttc tta cac atg gtg gcc gtt tcc aca ccc gac atg get cgc 399 Met Gly Phe Leu His Met Val Ala Val Ser Thr Pro Asp Met Ala Arg caa gtc ctt caa gtc caa gac aac atc ttc tcg aac cgg cca gcc acc 397 Gln Val Leu Gln Val Gln Asp Asn Ile Phe Ser Asn Arg Pro Ala Thr ata gcc atc agc tac ctc acc tat gac cga gcc gac atg gcc ttc get 445 Ile Ala Ile Ser Tyr Leu Thr Tyr Asp Arg Ala Asp Met Ala Phe Ala cac tac ggc ccg ttt tgg cgt cag atg cgt aaa ctc tgc gtc atg aaa 493 His Tyr Gly Pro Phe Trp Arg Gln Met Arg Lys Leu Cys Val Met Lys tta ttt agc cgg aaa cga gcc gag tcg tgg gag tcg gtc cga gac gag 591 Leu Phe Ser Arg Lys Arg Ala Glu Ser Trp Glu Ser Val Arg Asp Glu gtc gac tcg gca gta cga gtg gtc gcg tcc aat att ggg tcg acg gtg 589 Val Asp Ser Ala Val Arg Val Val Ala Ser Asn Ile Gly Ser Thr Val aat atc ggc gag ctg gtt ttt get ctg acg aag aat att act tac agg 637 Asn Ile Gly Glu Leu Val Phe Ala Leu Thr Lys Asn Ile Thr Tyr Arg gcg get ttt ggg acg atc tcg cat gag gac cag gac gag ttc gtg gcc 685 Ala Ala Phe Gly Thr Ile Ser His Glu Asp Gln Asp Glu Phe Val Ala ata ctg caa gag ttt tcg cag ctg ttt ggt get ttt aat ata get gat 733 Ile Leu Gln Glu Phe Ser Gln Leu Phe Gly Ala Phe Asn Ile Ala Asp . WO 99/31243 PCT/US98/26784 ttt atc cct tgg ctc aaa tgg gtt cct cag ggg att aac gtc agg ctc 781 Phe Ile Pro Trp Leu Lys Trp Val Pro Gln Gly Ile Asn Val Arg Leu aac aag gca cga ggg gcg ctt gat ggg ttt att gac aag atc atc gac 829 Asn Lys Ala Arg Gly Ala Leu Asp Gly Phe Ile Asp Lys Ile Ile Asp gat cat ata cag aag ggg agt aaa aac tcg gag gag gtt gat act gat 877 Asp His Ile Gln Lys Gly Ser Lys Asn Ser Glu Glu Val Asp Thr Asp atg gta gat gat tta ctt get ttt tac ggt gag gaa gcc aaa gta agc 925 Met Val Asp Asp Leu Leu Ala Phe Tyr Gly Glu Glu Ala Lys Val Ser gaa tct gac gat ctt caa aat tcc atc aaa ctc acc aaa gac aac atc 973 Glu Ser Asp Asp Leu Gln Asn Ser Ile Lys Leu Thr Lys Asp Asn Ile aaa get atc atg gac gta atg ttt gga ggg acc gaa acg gtg gcg tce 1021 Lys Ala Ile Met Asp Val Met Phe Gly Gly Thr Glu Thr Val Ala Ser gcg att gaa tgg gcc atg acg gag ctg atg aaa agc cca gaa gat cta 1069 Ala Ile Glu Trp Ala Met Thr Glu Leu Met Lys Ser Pro Glu Asp Leu aag aag gtc caa caa gaa ctc gcc gtg gtg gtg ggt ctt gac cgg cga 1117 Lys Lys Val Gln Gln Glu Leu Ala Val Val Val Gly Leu Asp Arg Arg gtc gaa gag aaa gac ttc gag aag ctc acc tac ttg aaa tgc gta ctg 1165 Val Glu Glu Lys Asp Phe Glu Lys Leu Thr Tyr Leu Lys Cys Val Leu aag gaa gtc ctt cgc ctc cac cca ccc atc cca ctc ctc ctc cac gag 1213 Lys Glu Val Leu Arg Leu His Pro Pro Ile Pro Leu Leu Leu His Glu act gcc gag gac gcc gag gtc ggc ggc tac tac att ccg gcg aaa tcg 1261 Thr Ala Glu Asp Ala Glu Val Gly Gly Tyr Tyr Ile Pro Ala Lys Ser cgg gtg atg atc aac gcg tgc gcc atc ggc cgg gac aag aac tcg tgg 1309 Arg Val Met Ile Asn Ala Cys Ala Ile Gly Arg Asp Lys Asn Ser Trp gcc gac cca gat acg ttt agg ccc tcc agg ttt ctc aaa gac ggt gtg 1357 Ala Asp Pro Asp Thr Phe Arg Pro Ser Arg Phe Leu Lys Asp Gly Val ccc gat ttc aaa ggg aac aac ttc gag ttc atc cca ttc ggg tca ggt 1905 Pro Asp Phe Lys Gly Asn Asn Phe Glu Phe Ile Pro Phe Gly Ser Gly cgt cgg tct tgc ccc ggt atg caa ctc gga ctc tac gcg cta gag acg 1953 Arg Arg Ser Cys Pro Gly Met Gln Leu Gly Leu Tyr Ala Leu Glu Thr act gtg get cac ctc ctt cac tgt ttc acg tgg gag ttg ccg gac ggg 1501 Thr Val Ala His Leu Leu His Cys Phe Thr Trp Glu Leu Pro Asp Gly atg aaa ccg agt gaa ctc gag atg aat gat gtg ttt gga ctc acc gcg 1549 Met Lys Pro Ser Glu Leu Glu Met Asn Asp Val Phe Gly Leu Thr Ala cca aga gcg att cga ctc acc gcc gtg ccg agt cca cgc ctt ctc tgt 1597 Pro Arg Ala Ile Arg Leu Thr Ala Val Pro Ser Pro Arg Leu Leu Cys cct ctc tat tgatcgaatg attgggggag ctttgtggag gggcttttat 1646 Pro Leu Tyr ggagactcta tatatagatg ggaagtgaaa caacgacagg tgaatgcttg gatttttggt 1706 atatattggg gagggagggg aaaaaaaaaa taatgaaagg aaagaaaaga gagaatttga 1766 atttctcttc ctctgtggat aaaagcctcg tttttaattg tttttatgtg gagatatttg 1826 tgtttgttta tttttatctc tttttttgca ataacactca aaaataaaaa aaaaaaa 1883 <210> 4 <211> 511 <212> PRT
<213> Liquidambar styraciflua <900> 9 Met Asp Ser Ser Leu His Glu Ala Leu Gln Pro Leu Pro Met Thr Leu . WO 99/31243 PCT/US98/26784 Phe Phe Ile Ile Pro Leu Leu Leu Leu Leu Gly Leu Val Ser Arg Leu Arg Gln Arg Leu Pro Tyr Pro Pro Gly Pro Lys Gly Leu Pro Val Ile Gly Asn Met Leu Met Met Asp Gln Leu Thr His Arg Gly Leu Ala Lys Leu Ala Lys Gln Tyr Gly Gly Leu Phe His Leu Lys Met Gly Phe Leu His Met Val Ala Val Ser Thr Pro Asp Met Ala Arg Gln Val Leu Gln Val Gln Asp Asn Ile Phe Ser Asn Arg Pro Ala Thr Ile Ala Ile Ser Tyr Leu Thr Tyr Asp Arg Ala Asp Met Ala Phe Ala His Tyr Gly Pro Phe Trp Arg Gln Met Arg Lys Leu Cys Val Met Lys Leu Phe Ser Arg Lys Arg Ala Glu Ser Trp Glu Ser Val Arg Asp Glu Val Asp Ser Ala Val Arg Val Val Ala Ser Asn Ile Gly Ser Thr Val Asn Ile Gly Glu Leu Val Phe Ala Leu Thr Lys Asn Ile Thr Tyr Arg Ala Ala Phe Gly Thr Ile Ser His GIu Asp Gln Asp Glu Phe Val Ala Ile Leu Gln Glu Phe Ser Gln Leu Phe Gly Ala Phe Asn Ile Ala Asp Phe Ile Pro Trp Leu Lys Trp Val Pro Gln Gly Ile Asn Val Arg Leu Asn Lys Ala Arg Gly Ala Leu Asp Gly Phe Ile Asp Lys Ile Ile Asp Asp His Ile Gln Lys Gly Ser Lys Asn Ser Glu Glu Val Asp Thr Asp Met Val Asp Asp Leu Leu Ala Phe Tyr G1y Glu Glu Ala Lys Val Ser Glu Ser Asp Asp Leu Gln Asn Ser Ile Lys Leu Thr Lys Asp Asn Ile Lys Ala Ile Met Asp Val Met Phe Gly Gly Thr Glu Thr Val Ala Ser Ala Ile Glu Trp Ala Met Thr Glu Leu Met Lys Ser Pro Glu Asp Leu Lys Lys Val Gln Gln Glu Leu Ala Vai Val Vai Gly Leu Asp Arg Arg Val Glu Glu Lys Asp Phe Glu Lys Leu Thr Tyr Leu Lys Cys Val Leu Lys Glu Val Leu Arg Leu His Pro Pro Ile Pro Leu Leu Leu His Glu Thr Ala Glu Asp Ala Glu Val Gly Gly Tyr Tyr Ile Pro Ala Lys Ser Arg Val Met Ile Asn Ala Cys Ala Ile Gly Arg Asp Lys Asn Ser Trp Ala Asp Pro Asp Thr Phe Arg Pro Ser Arg Phe Len Lys Asp Gly Val Pro Asp Phe Lys Gly Asn Asn Phe Glu Phe Ile Pro Phe Gly Ser Gly Arg Arg Ser Cys Pro Gly Met Gln Leu Gly Leu Tyr Ala Leu Glu Thr Thr Val Ala His Leu Leu His Cys Phe Thr Trp Glu Leu Pro Asp Gly Met Lys Pro Ser Glu Leu Glu Met Asn Asp Val Phe Gly Leu Thr Ala Pro Arg Ala Ile Arg Leu Thr Ala Val Pro Ser Pro Arg Leu Leu Cys Pro Leu Tyr <210> 5 <211> 1380 <212> DNA
<213> Liquidambar styraciflua <220>
<221> CDS
<222> (67)..(1170) <900> 5 cggcacgagc cctacctcct ttcttggaaa aatttcccca ttcgatcaca atccgggcct 60 caaaaa atg gga tca aca agc gaa acg aag atg agc ccg agt gaa gca 108 Met Gly Ser Thr Ser Glu Thr Lys Met Ser Pro Ser Glu Ala gca gca gca gaa gaa gaa gca ttc gta ttc get atg caa tta acc agt 156 Ala Ala Ala Glu Glu Glu Ala Phe Val Phe Ala Met Gln Leu Thr Ser get tca gtt ctt ccc atg gtc cta aaa tca gcc ata gag ctc gac gtc 209 Ala Ser Val Leu Pro Met Val Leu Lys Ser Ala Ile Glu Leu Asp Val tta gaa atc atg get aaa get ggt cca ggt gcg cac ata tcc aca tct 252 Leu Glu Ile Met Ala Lys Ala Gly Pro Gly Ala His Ile Ser Thr Ser gac ata gcc tct aag ctg ccc aca aag aat cca gat gca gcc gtc atg 300 Asp Ile Ala Ser Lys Leu Pro Thr Lys Asn Pro Asp Ala Ala Val Met ctt gac cgt atg ctc cgc ctc ttg get agc tac tct gtt cta acg tgc 348 Leu Asp Arg Met Leu Arg Leu Leu Ala Ser Tyr Ser Val Leu Thr Cys tct ctc cgc acc ctc cct gac ggc aag atc gag agg ctt tac ggc ctt 396 Ser Leu Arg Thr Leu Pro Asp Gly Lys Ile Glu Arg Leu Tyr Gly Leu gca ccc gtt tgt aaa ttc ttg acc aga aac gat gat gga gtc tcc ata 444 Ala Pro Val Cys Lys Phe Leu Thr Arg Asn Asp Asp Gly Val Ser Ile gcc get ctg tct ctc atg aat caa gac aag gtc ctc atg gag agc tgg 492 Aia Ala Leu Ser Leu Met Asn Gln Asp Lys Val Leu Met Glu Ser Trp tac cac ttg acc gag gca gtt ctt gaa ggt gga att cca ttt aac aag 540 Tyr His Leu Thr Glu Ala Val Leu Glu Gly Gly Ile Pro Phe Asn Lys . WO 99/31243 PC'f/US98/Z6784 gcctat ggaatgaca gcatttgag taccatggcacc gatcccaga ttc 588 AlaTyr GlyMetThr AlaPheGlu TyrHisGiyThr AspProArg Phe aacaca gttttcaac aatggaatg tccaatcattcg accattacc atg 636 AsnThr ValPheAsn AsnGlyMet SerAsnHisSer ThrIleThr Met aagaaa atccttgag acttacaaa gggttcgaggga cttggatct gtg 689 LysLys IleLeuGlu ThrTyrLys GlyPheGluGly LeuGlySer Val gttgat gttggtggt ggcactggt gcccaccttaac atgattatc get 732 ValAsp ValGlyGly GlyThrGly AlaHisLeuAsn MetIleIle Ala aaa tac ccc atg atc aag ggc att aac ttc gac ttg cct cat gtt att 780 Lys Tyr Pro Met Ile Lys Gly Ile Asn Phe Asp Leu Pro His Val Ile gag gag get ccc tcc tat cct ggt gtg gag cat gtt ggt gga gat atg 828 Glu Glu Ala Pro Ser Tyr Pro Gly Val Glu His Val Gly Gly Asp Met ttt gtt agt gtt cca aaa gga gat gcc att ttc atg aag tgg ata tgt 876 Phe Val Ser Val Pro Lys Gly Asp Ala Ile Phe Met Lys Trp Ile Cy-cat gat tgg agc gat gaa cac tgc ttg aag ttt ttg aag aaa tgt tat 924 His Asp Trp Ser Asp Glu His Cys Leu Lys Phe Leu Lys Lys Cys Tyr gaa gca ctt cca acc aat ggg aag gtg atc ctt get gaa tgc atc ctc 972 Glu Ala Leu Pro Thr Asn Gly Lys Val Ile Leu Ala Glu Cys Ile Leu ccc gtg gcg cca gac gca agc ctc ccc act aag gca gtg gtc cat att 1020 Pro Va.l Ala Pro Asp Ala~Ser Leu Pro Thr Lys Ala Val Val His Ile gat gtc atc atg ttg get cat aac cca ggt ggg aaa gag aga act gag 1068 Asp Val Ile Met Leu Ala His Asn Pro Gly Gly Lys Glu Arg Thr Glu aag gag ttt gag gcc ttg gcc aag ggg get gga ttt gaa ggt ttc cga 1116 Lys Glu Phe Glu Ala Leu Ala Lys Gly Ala Gly Phe Glu Gly Phe Arg gta gta gcc tcg tgc get tac aat aca tgg atc atc gaa ttt ttg aag 1169 Val Val Ala Ser Cys Ala Tyr Asn Thr Trp Ile Ile Glu Phe Leu Lys aag att tgagtcctta ctcggctttg agtacataat accaactcct tttggttttc 1220 Lys Ile gagattgtga ttgtgattgt gattgtctct ctttcgcagt tggccttatg atataatgta 1280 tcgttaactc gatcacagaa gtgcaaaaga cagtgaatgt acactgcttt ataaaataaa 1340 aattttaaga ttttgattca tgtaaaaaaa aaaaaaaaaa 1380 <210> 6 <211> 368 <212> PRT
<213> Liquidambar styraciflua <400> 6 Met Gly Ser Thr Ser Glu Thr Lys Met Ser Pro Ser Glu Ala Ala Ala Ala Glu Glu Glu Ala Phe Val Phe Ala Met Gln Leu Thr Ser Ala Ser Val Leu Pro Met Val Leu Lys Ser Ala Ile Glu Leu Asp Val Leu Glu Ile Met Ala Lys Ala Gly Pro Gly Ala His Ile Ser Thr Ser Asp Ile Ala Ser Lys Leu Pro Thr Lys Asn Pro Asp Ala Ala Val Met Leu Asp Arg Met Leu Arg Leu Leu Ala Ser Tyr Ser Val Leu Thr Cys Ser Leu Arg Thr Leu Pro Asp Gly Lys Ile Glu Arg Leu Tyr Gly Leu Ala Pro Val Cys Lys Phe Leu Thr Arg Asn Asp Asp Gly Val Ser Ile Ala Ala Leu Ser Leu Met Asn Gln Asp Lys Val Leu Met Glu Ser Trp Tyr His . WO 99/31243 PCT/US98/26784 Leu Thr Glu Ala Val Leu Glu Gly Gly Ile Pro Phe Asn Lys Ala Tyr Gly Met Thr Ala Phe Glu Tyr His Gly Thr Asp Pro Arg Phe Asn Thr Val Phe Asn Asn Gly Met Ser Asn His Ser Thr Ile Thr Met Lys Lys Ile Leu Glu Thr Tyr Lys Gly Phe Glu Gly Leu Gly Ser Val Val Asp Val Gly Gly Gly Thr Gly Ala His Leu Asn Met Ile Ile Ala Lys Tyr Pro Met Ile Lys Gly Ile Asn Phe Asp Leu Pro His Val Ile Glu Glu Ala Pro Ser Tyr Pro Gly Val Glu His Val Gly Gly Asp Met Phe VaI

Ser Val Pro Lys Gly Asp Ala Ile Phe Met Lys Trp Ile Cys His Asp Trp Ser Asp Glu His Cys Leu Lys Phe Leu Lys Lys Cys Tyr Glu Ala 275 280 2g5 Leu Pro Thr Asn Gly Lys Val Ile Leu Ala Glu Cys Ile Leu Pro Val Ala Pro Asp Ala Ser Leu Pro Thr Lys.Ala Val Val His Ile Asp Val Ile Met Leu Ala His Asn Pro Gly Gly Lys Glu Arg Thr Glu Lys Glu Phe Glu Ala Leu Ala Lys Gly Ala Gly Phe Glu Gly Phe Arg Val Val Ala Ser Cys Ala Tyr Asn Thr Trp Ile Ile Glu Phe Leu Lys Lys Ile <210> 7 <211> 2025 <212> DNA
<213> Liquidambar styraciflua . WO 99/31243 PCT/US98/Z6784 <220>
<221> CDS
<222> (60)..(1679) <400> 7 cggcacgagc tcattttcca cttctggttt gatctctgca attcttccat cagtcccta 59 atg gag acc caa aca aaa caa gaa gaa atc ata tat cgg tcg aaa ctc 107 Met Glu Thr Gln Thr Lys Gln Glu Glu Ile Ile Tyr Arg Ser Lys Leu ccc gat atc tac atc ccc aaa cac ctc cct tta cat tcg tat tgt ttc 155 Pro Asp Ile Tyr Ile Pro Lys His Leu Pro Leu His Ser Tyr Cys Phe gag aac atc tca cag ttc ggc tcc cgc ccc tgt ctg atc aat ggc gca 203 Glu Asn Ile Ser Gln Phe Gly Ser Arg Pro Cys Leu Ile Asn Gly Ala aeg ggc aag tat tac aca tat get gag gtt gag etc att geg egc aag 251 Thr Gly Lys Tyr Tyr Thr Tyr Ala Glu Val Glu Leu Ile Ala Arg Lys gtc gca tcc ggc ctc aac aaa ctc ggc gtt cga caa ggt gac atc atc 299 Val Ala Ser Gly Leu Asn Lys Leu Gly Val Arg Gln Gly Asp Ile Ile 65 70 75 g0 atg ctt ttg cta ccc aac tcg ccg gag ttc gtg ttt tca att ctc ggc 397 Met Leu Leu Leu Pro Asn Ser Pro Glu Phe Val Phe Ser Ile Leu Gly gca tcc tac cgc ggg get gcc gcc acc gce gca aac ecg ttt tat acc 395 Ala Ser Tyr Arg Gly Ala Ala Ala Thr Ala Ala Asn Pro Phe Tyr Thr cct gcc gag atc agg aag caa gcc aaa acc tcc aac gcc agg ctt att 993 Pro Ala Glu Ile Arg Lys Gln Ala Lys Thr Ser Asn Ala Arg Leu Ile atc aca cat gcc tgt tac tat gag aaa gtg aag gac ttg gtg gaa gag 991 Ile Thr His Ala Cys Tyr Tyr Glu Lys Val Lys Asp Leu Val Glu Glu 130 135 1q0 aac gtt gcc aag atc ata tgt ata gac tca ccc ccg gac ggt tgt ttg 539 Asn Val Ala Lys Ile Ile Cys Ile Asp Ser Pro Pro Asp Gly Cys Leu 1q5 150 155 160 . WO 99/31243 PCT/US98/16784 cac ttc tcg gag ctg agt gag gcg gac gag aac gac atg ccc aat gta 587 His Phe Ser Glu Leu Ser Glu Ala Asp Glu Asn Asp Met Pro Asn Val gag att gac ccc gat gat gtg gtg gcg ctg ccg tac tcg tca ggg acg 635 Glu Ile Asp Pro Asp Asp Val Val Ala Leu Pro Tyr Ser Ser Gly Thr acg ggt tta cca aag ggg gtg atg cta aca cac aag gga caa gtg acg 683 Thr Gly Leu Pro Lys Gly Val Met Leu Thr His Lys Gly Gln Val Thr agt gtg gcg caa cag gtg gac gga gag aat ccg aac ctg tat ata cat 731 Ser Val Ala Gln Gln Val Asp Gly Glu Asn Pro Asn Leu Tyr Ile His agcgag gacgtggttctg tgcgtgttg cctctgtttcac atctactcg 779 SerGlu AspValValLeu CysValLeu ProLeuPheHis IleTyrSer atgaac gtcatgttttgc gggttacga gttggtgcggcg attctgatt 827 MetAsn ValMetPheCys GlyLeuArg ValGlyAlaAla IleLeuIle atgcag aaatttgaaata tatgggttg ttagagctggtc agaagtaca 875 MetGln LysPheGluIle TyrGlyLeu LeuGluLeuVal ArgSerThr ggtgac catcatgcctat cgtacaccc atcgtattggca atctccaag 923 GlyAsp HisHisAlaTyr ArgThrPro IleValLeuAla IleSerLys act ccg gat ctt cac aac tat gat gtg tcc tcc att cgg act gtc atg 971 Thr Pro Asp Leu His Asn Tyr Asp Val Ser Ser Ile Arg Thr Val Met tca ggt gcg get cct ctg ggc aag gaa ctt gaa gat tct gtc aga get 1019 Ser Gly Ala Ala Pro Leu Gly Lys Glu Leu Glu Asp Ser Val Arg Ala aag ttt ccc acc gcc aaa ctt ggt cag gga tat gga atg acg gag gca 1067 Lys Phe Pro Thr Ala Lys Leu Gly Gln Gly Tyr Gly Met Thr Glu Ala ggg ccc gtg cta gcg atg tgt ttg gca ttt gcc aag gaa ggg ttt gaa 1115 Gly Pro Val Leu Ala Met Cys Leu Ala Phe Ala Lys Glu Gly Phe Glu ata aaa tcg ggg gca tct gga act gtt tta agg aac gca cag atg aag 1163 Ile Lys Ser Gly Ala Ser Gly Thr Val Leu Arg Asn Ala Gln Met Lys att gtg gac cct gaa acc ggt gtc act ctc cct cga aac caa ccc gga 1211 Ile Val Asp Pro Glu Thr Gly Val Thr Leu Pro Arg Asn Gln Pro Gly gag att tgc att aga gga gac caa atc atg aaa ggt tat ctt aat gat 1259 Glu Ile Cys Ile Arg Gly Asp Gln Ile Met Lys Gly Tyr Leu Asn Asp cct gag gcg acg gag aga acc ata gac aag gaa ggt tgg tta cac aca 1307 Pro Glu Ala Thr Glu Arg Thr Ile Asp Lys Glu Gly Trp Leu His Thr ggt gat gtg ggc tac atc gac gat gac act gag ctc ttc att gtt gat 1355 Gly Asp Val Gly Tyr Ile Asp Asp Asp Thr Glu Leu Phe Ile Val Asp cgg ttg aag gaa ctg atc aaa tac aaa ggg ttt cag gtg gca ccc get 1403 Arg Leu Lys Glu Leu Ile Lys Tyr Lys Gly Phe Gln Val Ala Pro Ala gag ctt gag gcc atg ctc ete aae cat ccc aac atc tct gat get gcc 1951 Glu Leu Glu Ala Met Leu Leu Asn His Pro Asn Ile Ser Asp Ala Ala gtc gtc cca atg aaa gac gat gaa get gga gag etc cct gtg gcg ttt 1999 Val Val Pro Met Lys Asp Asp Glu Ala Gly Glu Leu Pro Val Ala Phe gtt gta aga tca gat ggt tct cag ata tcc gag get gaa atc agg caa 1597 Val Val Arg Ser Asp Gly Ser Gln Ile Ser Glu Ala Glu Ile Arg Gln tac atc gca aaa cag gtg gtt ttt tat aaa aga ata cat cgc gta ttt 1595 Tyr Ile Ala Lys Gln Val Val Phe Tyr Lys Arg Ile His Arg Val Phe ttc gtc gaa gcc att cct aaa gcg ccc tct ggc aaa atc ttg cgg aag 1693 Phe Val Glu Ala Ile Pro Lys Ala Pro Ser Gly Lys Ile Leu Arg Lys gac ctg aga gcc aaa tt:g gcg tct ggt ctt ccc aat taattctcat 1689 Asp Leu Arg Ala Lys Leu Ala Ser Gly Leu Pro Asn tcgctaccct cctttctctt atcatacgcc aacacgaacg aagaggctca attaaacgct 1799 gctcattcga agcggctcaa ttaaagctgc tcattcatgt ccaccgagtg ggcagcctgt 1809 cttgttggga tgttctttca tttgattcag ctgtgagaag ccagaccctc attatttatt 1869 gtgaaattca caagaatgtc tgtaaatcga tgttgtgagt gatgggtttc aaaacacttt 1929 tgacattgtt tacgttgtat ttcctgctgt tgaaaataac tactttgtat gacttttatt 1989 tgggaagata acctttcaaa aaaaaaaaaa aaaaaa 2025 <210> 8 <211> 590 <212> PRT
<213> Liquidambar styraciflua <400> 8 Met Glu Thr Gln Thr Lys Gln Glu Glu Ile Ile Tyr Arg Ser Lys Leu Pro Asp Ile Tyr Ile Pro Lys His Leu Pro Leu His Ser Tyr Cys Phe Glu Asn Ile Ser Gln Phe Gly Ser Arg Pro Cys Leu Ile Asn Gly Ala Thr Gly Lys Tyr Tyr Thr Tyr Ala Glu Val Glu Leu Ile Ala Arg Lys Val Ala Ser Gly Leu Asn Lys Leu Gly Val Arg Gln Gly Asp Ile Ile Met Leu Leu Leu Pro Asn Ser Pro Glu Phe Val Phe Ser Ile Leu Gly Ala Ser Tyr Arg Gly Ala Ala Ala Thr Ala Ala Asn Pro Phe Tyr Thr Pro Ala Glu Ile Arg Lys Gln Ala Lys Thr Ser Asn Ala Arg Leu Ile Ile Thr His Ala Cys Tyr Tyr Glu Lys Val Lys Asp Leu Val Glu Glu Asn Val Ala Lys Ile Ile Cys Ile Asp Ser Pro Pro Asp Gly Cys Leu His Phe Ser Glu Leu Ser Glu Ala Asp Glu Asn Asp Met Pro Asn Val Glu Ile Asp Pro Asp Asp Val Val Ala Leu Pro Tyr Ser Ser Gly Thr Thr Gly Leu Pro Lys Gly Val Met Leu Thr His Lys Gly Gln Val Thr Ser Val Ala Gln Gln Val Asp Gly Glu Asn Pro Asn Leu Tyr Ile His Ser Glu Asp Val Val Leu Cys Val Leu Pro Leu Phe His Ile Tyr Ser Met Asn Val Met Phe Cys Gly Leu Arg Val Gly Ala Ala Ile Leu Ile Met Gln Lys Phe Glu Ile Tyr Gly Leu Leu Glu Leu Val Arg Ser Thr Gly Asp His His Ala Tyr Arg Thr Pro Ile Val Leu Ala Ile Ser Lys Thr Pro Asp Leu His Asn Tyr Asp Val Ser Ser Ile Arg Thr Val Met Ser Gly Ala Ala Pro Leu Gly Lys Glu Leu Glu Asp Ser Val Arg Ala Lys Phe Pro Thr Ala Lys Leu Gly Gln Gly Tyr Gly Met Thr Glu Ala Gly Pro Val Leu Ala Met Cys Leu Ala Phe Ala Lys Glu Gly Phe Glu Ile Lys Ser Gly Ala Ser Gly Thr Val Leu Arg Asn Ala Gln Met Lys Ile Val Asp Pro Glu Thr Gly Val Thr Leu Pro Arg Asn Gln Pro Gly Glu Ile Cys Ile Arg Gly Asp Gln Ile Met Lys Gly Tyr Leu Asn Asp Pro Glu Ala Thr Glu Arg Thr Ile Asp Lys Glu Gly Trp Leu His Thr Gly Asp Val Gly Tyr Ile Asp Asp Asp Thr Glu Leu Phe Ile Val Asp Arg Leu Lys Glu Leu Ile Lys Tyr Lys Gly Phe Gln Val Ala Pro Ala Glu Leu Glu Ala Met Leu Leu Asn His Pro Asn Ile Ser Asp Ala Ala Val Val Pro Met Lys Asp Asp Glu Ala Gly Glu Leu Pro Val Ala Phe Val Val Arg Ser Asp Gly Ser Gln Ile Ser Glu Ala Glu Ile Arg Gln Tyr Ile Ala Lys Gln Val Val Phe Tyr Lys Arg Ile His Arg Val Phe Phe Val Glu Ala Ile Pro Lys Ala Pro Ser Gly Lys Ile Leu Arg Lys Asp Leu Arg Ala Lys Leu Ala Ser Gly Leu Pro Asn <210> 9 <211> 1544 <212> DNA
<213> Pinus taeda <900> 9 aaagataata tatgtgtatg cctactacta cacattgttt tgaagtgtgt aaacatagtg 60 caacactagg aggactcaca atgagcactt gttgacatga aactagctaa atgcccaaca 120 atattagtga aagctagtta aactaacccc tttgactttc aagatgatat atttatatcc 180 ctactacgtc ttcctctttt tgtctttctc ttgtgattaa accttccttg aaacaattct 240 caaatgtaaa attaaacctt gaaacttgta gagaccaaac ttccctagga gaaaccacat 300 ttatgacaac atatatacac caacccattg catactataa tattggaatt acctgcagcg 360 aacgaaagaa acgctgtctc accaactcgt gcactacatc ccgaaactta accttcccct 920 gatacagatt gaagagccga aaaaagcgtg catccaaatt tctggtatgg tgaggagccg 480 . WO 99/31243 PCT/US98/26784 aaaaacgcgt gcgcctaatt tttttgagat gggccggaaa ataatgcgtg catctaaatt 590 ttcacgtgtc gcgtattggc gaggttgcgc tgaatgtgat cctgtgcgtg agccacattc 600 attccattgg ttgacccgcc ggtaccgcga ggaccgtggg gtctcacaga tacgcggatg 660 gtggatcagc actgagaaga ttagatgatg accaggcggg catttgaagt aaaaacttgg 720 gggtggttgg caagtacgcg acaaagaggg gtagtgcgca aggaagcgag ttggatgcaa 780 ataatattac aaagtgggtt ggtgggcatg agcatcaacc agaatgatgt tgttgctggt 840 tccgtgcaaa ttctgaccag tagtttgaac aatactaccc aacttgtttt tggtaaaaca 900 tgaagtgggt aaggagaatt gaacttacgt ctcatggtaa agggcaaggg caaatgactt 960 aacacatacc tttaactaat aaaaataccc ctaacaaata cgaaaacgaa tgagttatca 1020 cagaccttca actaataaga tagccatcag acccacatct cctgactgac caaaaacaaa 1080 tgacttcaac caactaagat acccatcaaa gctaacccac aacccaattc ctcacttccc 1140 cttaccagac caaccaagca gacctacgcc attaactact ttaggacgtg ggaattgggg 1200 gtgccaccgt tgaagaatgg cactcagggt tggtaatccc tccacgtgta tgtagcagtc 1260 gtttggtgga gacggcgtgt ttgaatgtcc accttccagt ttggagaaca aggaaattgg 1320 gcttatatta ggcctggatc tcttgtttca gagcaggagt agttcaggac aggaactagc 1380 attcaagaat tcaattgccc tgccctgctc tgctctgctt tgctcaactt attgatccct 1440 gctctggttt gttcaatttc ttgacccctg ctgggttctg ctctggtttg cacactttct 1500 cgattatata agtcattttg gatccttgca aggaagagaa tatg 1544 <210> 10 <211> 659 <212> DNA
<213> Pinus taeda <400> 10 asacaccaat ttaatgggat ttcagatttg tatcccatgc tattggctaa ggcatttttc 60 ttattgtaat ctaaccaatt ctaatttcca ccctggtgtg aactgactga caaatgcggt 120 ccgaaaacag cgaatgaaat gtctgggtga tcggtcaaac aagcggtggg cgagagagcg 180 cgggtgttgg cctagccggg atgggggtag gtagacggcg tattaccggc gagttgtccg 240 aatggagttt tcggggtagg tagtaacgta gacgtcaatg gaaaaagtca taatctccgt 300 caaaaatcca accgctcctt cacatcgcag agttggtggc cacgggaccc tccacccact 360 cactcaatcg atcgcctgcc gtggttgccc attattcaac catacgccac ttgactcttc 420 accaacaatt ccaggccggc tttctataca atgtactgca caggaaaatc caatataaaa 980 agccggcctc tgcttccttc tcagtagccc ccagctcatt caattcttcc cactgcaggc 590 tacatttgtc agacacgttt tccgccattt ttcgcctgtt tctgcggaga atttgatcag 600 gttcggattg ggattgaatc aattgaaagg tttttatttt cagtatttcg atcgccatg 659 <210> 11 <211> 2251 <212> DNA
<213> Pinus taeda <900> 11 ggccgggtgg tgacatttat tcataaattc atctcaaaac aagaaggatt tacaaaaata 60 aaagaaaaca aaattttcat ctttaacata attataattg tgttcacaaa attcaaactt 120 aaacccttaa tataaagaat ttctttcaac aatacacttt aatcacaact tcttcaatca 180 caacctcctc caacaaaatt aaaatagatt aataaataaa taaacttaac tatttaaaaa 240 aaaatattat acaaaattta ttaaaacttc aaaataaaca aactttttat acaaaattca 300 tcaaaacttt aaaataaagc taaacactga aaatgtgagt acatttaaaa ggacgctgat 360 cacaaaaatt ttgaaaacat aaacaaactt gaaactctac cttttaagaa tgagtttgtc 920 gtctcattaa ctcattagtt ttatagttcg aatccaatta acgtatcttt tattttatgg 980 aataagggtg ttttaataag tgattttggg atttttttag taatttattt gtgatatgtt 590 atggagtttt taaaaatata tatatatata tatatttttg ggttgagttt acttaaaatt 600 tggaaaaggt tggtaagaac tataaattga gttgtgaatg agtgttttat ggatttttta 660 agatgttaaa tttatatatg taattaaaat tttattttga ataacaaaaa ttataattgg 720 ataaaaaatt gttttgttaa atttagagta aaaatttcaa aatctaaaat aattaaacac 780 tattattttt aaaaaatttg ttggtaaatt ttatcttata tttaagttaa aatttagaaa 840 aaattaattt taaattaata aacttttgaa gtcaaatatt ccaaatattt tccaaaatat 900 taaatctatt ttgcattcaa aatacaattt aaataataaa acttcatgga atagattaac 960 caatttgtat aaaaaccaaa aatctcaaat aaaatttaaa ttacaaaaca ttatcaacat 1020 tatgatttca agaaagacaa taaccagttt ccaataaaat aaaaaacctc atggcccgta 1080 attaagatct cattaattaa ttcttatttt ttaatttttt tacatagaaa atatctttat 1190 attgtatcca agaaatatag aatgttctcg tccagggact attaatctcc aaacaagttt 1200 caaaatcatt acattaaagc tcatcatgtc atttgtggat tggaaattat attgtataag 1260 agaaatatag aatgttctcg tctagggact attaatttcc aaacaaattt caaaatcatt 1320 acattaaagc tcatcatgtc atttgtggat tggaaattag acaaaaaaaa tcccaaatat 1380 ttctctcaat ctcccaaaat atagttcgaa ctccatattt ttggaaattg agaatttttt 1440 tacccaataa tatatttttt tatacatttt agagattttc cagacatatt tgctctggga 1500 tttattggaa tgaaggttga gttataaact ttcagtaatc caagtatctt cggtttttga 1560 agatactaaa tccattatat aataaaaaca cattttaaac accaatttaa tgggatttca 1620 gatttgtatc ccatgctatt ggctaaggca tttttcttat tgtaatctaa ccaattctaa 1680 tttccaccct ggtgtgaact gactgacaaa tgcggtccga aaacagcgaa tgaaatgtct 1740 gggtgatcgg tcaaacaagc ggtgggcgag agagcgcggg tgttggccta gccgggatgg 1800 gggtaggtag acggcgtatt accggcgagt tgtccgaatg gagttttcgg ggtaggtagt 1860 aacgtagacg tcaatggaaa aagtcataat ctccgtcaaa aatccaaccg ctccttcaca 1920 tcgcagagtt ggtggccacg ggaccctcca cccactcact cgatcgcctg ccgtggttgc 1980 ccattattca accatacgcc acttgactct tcaccaacaa ttccaggccg gctttctata 2040 caatgtactg cacaggaaaa tccaatataa aaagccggcc,tctgcttcct tctcagtagc 2100 ccccagctca ttcaattctt cccactgcag gctacatttg tcagacacgt tttccgccat 2160 ttttcgcctg tttctgcgga gaatttgatc aggttcggat tgggattgaa tcaattgaaa 2220 ggtttttatt ttcagtattt cgatcgccat g 225

Claims (45)

What is claimed is:

1. A method for modifying the genome of a gymnosperm which comprises cloning one or more angiosperm DNA sequences which code for genes necessary for production of angiosperm syringyl lignin monomer units, fusing one or more of the angiosperm DNA
sequences to a promoter region associated with a gene to form an expression cassette and inserting the expression cassette into the gymnosperm genome to thereby produce a modified genome in the gymnosperm containing genes which code for enzymes which produce syringyl lignin monomer units.

2. The method of claim 1, further comprising incorporating a genetic sequence which codes for anti-sense mRNA into the gymnosperm genome in order to suppress formation of guaiacyl lignin monomer units.

3. A gymnosperm plant containing an expression cassette produced according to the method of claim 1.

4. A loblolly pine containing an expression cassette produced according to the method of claim 1.

5. The method of claim 1 wherein the angiosperm DNA sequences are selected from the class consisting of 4-coumarate CoA ligase (4CL), bifunctional-O-methyl transferase (bi-OMT) and P450-1 and P450-2.

6. The method of claim 1 wherein the promoter region is selected from the class consisting of the 5' flanking region of phenylalanine ammonia-lyase (PAL) and the 5' flanking region of 4-coumarate CoA ligase (4CL18 and 4CL3B).

7. The method of claim 1 wherein the expression cassette is inserted into the gymnosperm genome by way of the transformation vector Agrobacterium.

8. The method of claim 7 wherein the Agrobacterium is Agrobacterium tumefaciens EH101.

9. The method of claim 1 wherein the expression cassette is inserted into the gymnosperm genome via direct DNA delivery to a target cell.

10. The method of claim 1 wherein the expression cassette is inserted into the gymnosperm genome by micro-projectile bombardment of a gymnosperm cell.

11. The method of claim 1 wherein the expression cassette is inserted into the gymnosperm genome by electroporation of a gymnosperm cell.

12. The method of claim 1 wherein the expression cassette is inserted into the gymnosperm genome via silicon carbide whiskers.

13. The method of claim 1 wherein the expression cassette is inserted into the gymnosperm genome via transformed protoplast.

14. The method of claim 1 further comprising inserting a selectable marker into the expression cassette.

15. The method of claim 14 wherein the selectable marker is selected from the group consisting of kanamycin and hygromycin B.

16. The method of claim 2 wherein the anti-sense mRNA is a gymnosperm genetic sequence which codes for the 4-coumarate CoA ligase (4CL) gene.

17. The method of claim 1 wherein the promoter region is a DNA sequence which includes the 5' flanking region of the gymnosperm loblolly pine PAL gene.

18. The method of claim 1 wherein the promoter region is a DNA sequence which includes the 5' flanking region of the gymnosperm loblolly pine 4CL1B gene.

19. The method of claim 1 wherein the promoter region is a DNA sequence which includes the 5' flanking region of the gymnosperm loblolly pine 4CL3B gene.

20. The method of claim 1 wherein the promoter region includes a constitutive promoter.

21. An isolated P450-1 DNA sequence which encodes an enzyme involved in the biosynthesis of syringyl lignin monomer units, wherein said DNA is as shown in SEQ ID. No. 1 and 2.

22. An isolated P450-2 DNA sequence which encodes an enzyme involved in the biosynthesis of syringyl lignin monomer units, wherein said DNA is as shown in SEQ ID. No. 3 and 4.

23. An isolated bi-OMT DNA sequence which encodes an enzyme involved in the biosynthesis of syringyl lignin monomer units, wherein said DNA is as shown in SEQ ID No. 5 and 6.

24. An isolated 4CL DNA sequence which encodes an enzyme involved in the biosynthesis of syringyl lignin monomer units, wherein said DNA is as shown in SEQ ID No. 7 and 8.

25. An isolated DNA, wherein said DNA encodes for an enzyme involved in the biosynthesis of one or more syringyl lignin monomer units.

26. An isolated DNA sequence which includes the 5' flanking region of the gymnosperm loblolly pine PAL gene, containing the lignin promoter region and regulatory elements for gymnosperm lignin biosynthesis as shown in SEQ ID No. 9.

27. An isolated DNA sequence which includes the 5' flanking region of the gymnosperm loblolly pine 4CL1B, containing the lignin promoter region and regulatory elements for gymnosperm lignin biosynthesis as shown in SEQ ID No. 10.

28. An isolated DNA sequence which includes the 5' flanking region of gymnosperm loblolly pine 4CL3B, containing the lignin promoter region and regulatory elements for gymnosperm lignin biosynthesis as shown in SEQ ID No. 11.

29. An isolated DNA, wherein said DNA includes the promoter region of a gymnosperm gene involved in lignin biosynthesis.

30. A method for modifying the genome of loblolly pine which comprises cloning one or more angiosperm DNA sequences which code for enzymes necessary for production of syringyl lignin monomer units, fusing one or more of the angiosperm DNA sequences to a promoter region to form an expression cassette, and inserting the expression cassette into the loblolly pine genome to thereby produce a modified genome in the loblolly pine containing genes which code for enzymes which produce syringyl lignin monomer units.

31. The method of claim 30 wherein the promoter region is a constitutive promoter.

32. A loblolly pine containing an expression cassette produced according to claim 30.

33. The method of claim 30 wherein the angiosperm DNA sequence is selected from the class consisting of 4-coumarate CoA ligase (4CL), bifunctional-O-methyl transferase (bi-OMT) and P450-1 and P450-2.

34. A loblolly pine containing one or more of the DNA sequences of claim 33.

35. A loblolly pine containing the angiosperm DNA sequence inserted by the method of claim 30.

36. A method for modifying the genome of loblolly pine which comprises cloning the sweetgum P450-1 gene, fusing it to a constitutive promoter to form an expression cassette, and inserting the expression cassette into the loblolly pine genome.

37. A loblolly pine containing the P450-1 gene.

38. A method for modifying the genome of loblolly pine which comprises cloning the sweetgum P450-2 gene, fusing it to a constitutive promoter to form an expression cassette, and inserting the expression cassette into the loblolly pine genome.

39. A loblolly pine containing the P450-2 gene.

40. A method for modifying the genome of a gymnosperm which comprises cloning the sweetgum P450-1 gene, fusing it to a constitutive promoter to form an expression cassette, and inserting the expression cassette into the gymnosperm genome.

41. A method for modifying the genome of a gymnosperm which comprises cloning the sweetgum P450-2 gene, fusing it to a consititutive promoter to form an expression cassette, and inserting the expression cassette into a gymnosperm genome.

42. A gymnosperm containing the P450-1 gene.

43. A gymnosperm containing the P450-2 gene.

44. A gymnosperm containing a DNA sequence selected from the class consisting of the P450-1 DNA sequence of SEQ ID No. 1 and 2, the P450-2 DNA sequence of SEQ ID
No. 3 and 4, the bi-OMT DNA sequence of SEQ ID No. 5 and 6, and the 4CL DNA sequences of SEQ ID
No. 7 and 8.

45. The gymnosperm of Claim 38, further comprising syringyl lignin.