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Methods and compositions for altering lignin composition in plants

United States Patent

9,909,136
March 6, 2018
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
The invention provides methods for decreasing lignin content in plants by reducing expression of a folylpolyglutamate synthetase 1 (FPGS1) coding sequence in the plant. Also provided are methods for reducing lignin content in a plant by down-regulation of FPGS1 expression in the plant. Nucleic acid molecules for modulation of FPGS1 expression and transgenic plants the same are also provided. Plants described herein may be used, for example, as improved biofuel feedstock and as highly digestible forage crops. Methods for processing plant tissue and for producing biofuels by utilizing such plants are also provided.
Srivastava; Avinash C. (Arcadia, CA), Tang; Yuhong (Norman, OK), Blancaflor; Elison (Ardmore, OK)
The Samuel Roberts Noble Foundation, Inc. (Ardmore, OK)
14/ 710,419
May 12, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH This invention was made with Government support under subcontract number 4000064018, Prime Contract No. DE-AC05-00OR22725, awarded by the Department of Energy. The Government has certain rights in this invention.