Inactivation of OsIRX10 leads to decreased xylan content in rice culm cell walls and improved biomass saccharification.

1 Department of Plant Pathology & The Genome Center, University of California, Davis, CA 95616,USA 2 Joint BioEnergy Institute, Emeryville, CA 94608, USA 3 Rice Research Institute, Sichuan Agricultural University at Wenjiang, Wenjiang, Chengdu 611130, China 4 Physical Biosciences Division, Lawrence Berkeley national Laboratory, Berkeley, CA 94720, USA. Department of Plant and Environmental Sciences,Faculty of Science, University of Copenhagen, DK-1871 Frederiksberg, Denmark. 6 Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720, USA Department of Botany and Microbiology, University of Oklahoma, Norman, OK 73019, USA. Corresponding author: Pamela C. Ronald Phone: 1-530-752-1654, Fax: 1-530-754-6940, Email: [email protected] Molecular Plant Advance Access published November 23, 2012