C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 15/82 (2006.01) A01H 5/00 (2006.01) D21C 3/00 (2006.01)
Patent
CA 2360731
A process of producing a transformed gymnosperm plant or plant precursor (cells, callus, embryo, shoot, seed or seedling) having a genome containing at least one expressible transgene that results in modification of the lignin composition of the plant effective to make the plant more commercially desirable. One of the expressible transgenes is preferably the ferulate 5- hydroxylase gene, or a gene which encodes an enzyme that has enzymatic activity substantially similar to the F5H enzyme when transformed in yeast, such that when transformed into plant cells, it results in the production of lignin containing syringyl or other lignin residues in a gymnosperm.
L'invention concerne un procédé de préparation d'une plante de gymnosperme transformée ou un précurseur de plante (cellules, cals, embryons, coléoptiles, graines ou semis) dont le génome contient au moins un transgène pouvant être exprimé ce qui se traduit par la modification de la composition en lignine de la plante la rendant ainsi plus attractive en termes commerciaux. Un des transgènes pouvant être exprimés est de préférence le gène férulate 5-hydroxylase ou un gène codant pour une enzyme dont l'activité enzymatique est sensiblement semblable à l'enzyme F5H lors de sa transformation en levure. Aussi, après sa transformation en cellules de plante on obtient une lignine contenant du syringyle ou d'autres résidus de lignine dans un gymnosperme.
Chapple Clinton Charles Spencer
Ellis David Dunham
Gilbert Margarita
Cellfor Inc.
Kirby Eades Gale Baker
LandOfFree
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