Transgenic Poplar Designed for Biofuels

被引：58

作者：

Bryant, Nathan D. ^{[1
]}

Pu, Yunqiao ^{[2
,3
]}

Tschaplinski, Timothy J. ^{[2
]}

Tuskan, Gerald A. ^{[2
]}

Muchero, Wellington ^{[2
]}

Kalluri, Udaya C. ^{[2
]}

Yoo, Chang Geun ^{[4
]}

Ragauskas, Arthur J. ^{[1
,2
,3
,5
]}

机构：

[1] Univ Tennessee, Dept Chem & Biomol Engn, Knoxville, TN 37996 USA

[2] Oak Ridge Natl Lab, Ctr Bioenergy Innovat, Biosci Div, POB 2009, Oak Ridge, TN 37831 USA

[3] Oak Ridge Natl Lab, Joint Inst Biol Sci, POB 2009, Oak Ridge, TN 37831 USA

[4] SUNY Coll Environm Sci & Forestry, Dept Paper & Bioproc Engn, Syracuse, NY 13210 USA

[5] Univ Tennessee, Inst Agr, Ctr Renewable Carbon, Dept Forestry Wildlife & Fisheries, Knoxville, TN 37996 USA

来源：

TRENDS IN PLANT SCIENCE | 2020年 / 25卷 / 09期

关键词：

LIGNIN MODIFICATION IMPROVES; DROUGHT TOLERANCE; DOWN-REGULATION; HYBRID POPLAR; LIGNOCELLULOSIC BIOMASS; CELLULOSE BIOSYNTHESIS; WOOD CHARACTERISTICS; BLACK COTTONWOOD; POPULUS; SACCHARIFICATION;

D O I：

10.1016/j.tplants.2020.03.008

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Members of the genus Populus (i.e., cottonwood, hybrid poplar) represent a promising source of lignocellulosic biomass for biofuels. However, one of the major factors negatively affecting poplar's efficient conversion to biofuel is the inherent recalcitrance to enzymatic saccharification due to cell wall components such as lignin. To this effect, there have been efforts to modify gene expression to reduce biomass recalcitrance by changing cell wall properties. Here, we review recent genetic modifications of poplar that led to change cell wall properties and the resulting effects on subsequent pretreatment efficacy and saccharification. Although genetic engineering's impacts on cell wall properties are not fully predictable, recent studies have shown promising improvement in the biological conversion of transgenic poplar to biofuels.

引用

页码：881 / 896

页数：16

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