Ut-battelle, Inc.

University of Tennessee Research Foundation

West Virginia University

Lee E Gunter

Gerald A Tuskan

Sara S Jawdy

Wellington Muchero

Jin-Gui Chen

Jay Chieh Chen

Xiaohan Yang

Anthony Christian Bryan

Priya Ranjan

Timothy J Tschaplinski

Meng Xie

Jessy L Labbe

Juan Wang

Stephen P DiFazio

Nancy L Engle

Olaf Czarnecki

Jin Zhang

Yongil Yang

Stephen Difazio

Hao-Bo Guo

Jianjun Guo

The present disclosure provides genetically modified plants, plant cells and plant tissues that show reduced lignin content as compared to a control plant which was not genetically modified. In addition, the disclosure provides methods of regulating lignin content in a plant. The disclosure also provides methods of producing bioproducts using the genetically modified plants of the instant disclosure.

Loss of function alleles of PtEPSP-TF and its regulatory targets in rice

This disclosure provides methods of improving callus formation in plants. This disclosure further provides genetically engineered plants with improved callus formation.

Methods for improving callus formation and regeneration in plants

The present disclosure is directed to methods of improving mycorrhization in a plant or plant cell. Another aspect of this disclosure is directed to a genetically modified plant or plant cell with improved mycorrhization.

Methods of improving mycorrhization in plants and genetically modifed plants with improved mycorrhization

This disclosure provides genetically modified plants having desirable levels of sugar release and syringyl/guaiacyl (S/G) ratio; methods of genetically modifying plants to modulate sugar release and S/G ratio; and uses of such plants. The inventors have determined that genetic modification of a laccase gene (LAC2) from, encoded by locus Potri.008G064000 resulted in transgenictrees with changes in syringyl/guaiacyl ratios as well as altered sugar release phenotypes. Plants with altered sugar release, and S/G ratio, based on modulation of the expression or activity of the LAC2 gene, have divergent uses including pulp and paper production, and biofuel and bioproducts production.

Modulating laccase enzyme to regulate cell wall biosynthesis and recalcitrance in plants

This disclosure provides genetically modified plants having desirable levels of sugar release, cellulose content and reduction of recalcitrance; methods of genetically modifying plants to modulate sugar release, cellulose and lignin contents; and uses of such plants. The inventors have determined that genetic modification of PdDUF266A from, encoded by locus Potri.011G009500 resulted in transgenictrees with changes in lignin and cellulose content as well as altered sugar release phenotypes. Plants with altered sugar release, cellulose and lignin content, based on modulation of the expression or activity of the PdDUF266A gene, have diverse uses including pulp and paper production, and biofuel and bioproducts production.

PtDUF266 gene regulating cell wall biosynthesis and recalcitrance in populus

The invention provides plants having desirable levels of sugar release and/or lignin synthesis. The invention further provides methods of selecting plants with such desirable levels of sugar release and/or lignin synthesis; methods of genetically modifying plants to modulate lignin synthesis, sugar release, and modulating phenylalanine, tyrosine, tryptophan and flavonoid production; and uses of such plants.

Transcription factor which regulates flavonoid, phenylpropanoid, tyrosine, and tryptophan pathways

This disclosure provides plants having desirable levels of lignin synthesis, sugar release, S/G ratio, and resistance to stress and pathogens; methods of selecting plants with such desirable levels of lignin synthesis, sugar release, S/G ratio, and resistance to stress and pathogens; methods of genetically modifying plants to modulate lignin synthesis, sugar release, S/G ratio, and resistance to stress and pathogens; and uses of such plants. The inventors have determined that the expression and/or activity of POPTR_0014s08530, a gene encoding an/CtBP transcription factor, modulates lignin synthesis, sugar release, S/G ratio, and resistance to stress and pathogens in plants. Plants with lignin synthesis, sugar release, S/G ratio, and resistance to stress and pathogens, based on modulation of the expression or activity of the POPTR_0014s08530 gene, have divergent uses including pulp and paper production, and ethanol/biofuel production.

Key gene regulating plant cell wall recalcitrance

This disclosure provides methods and transgenic plants for improved production of renewable biofuels and other plant-derived biomaterials by altering the expression and/or activity of Gene Y, an O-acetyltransferase. This disclosure also provides expression vectors containing a nucleic acid (Gene Y) which encodes the polypeptide of SEQ ID NO: 1 and is operably linked to a heterologous promoter.

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Growing community of inventors

Oak Ridge, TN, United States of America

Lee E Gunter