木质素
生物燃料
化学
糖
生物过程
木质纤维素生物量
制浆造纸工业
水解
食品科学
生物量(生态学)
生物化学
酶水解
乙醇燃料
生物能源
乙醇
生物技术
农学
生物
有机化学
古生物学
工程类
作者
Fang Chen,Richard A. Dixon
摘要
Recalcitrance to saccharification is a major limitation for conversion of lignocellulosic biomass to ethanol. In stems of transgenic alfalfa lines independently downregulated in each of six lignin biosynthetic enzymes, recalcitrance to both acid pretreatment and enzymatic digestion is directly proportional to lignin content. Some transgenics yield nearly twice as much sugar from cell walls as wild-type plants. Lignin modification could bypass the need for acid pretreatment and thereby facilitate bioprocess consolidation.
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