Engineering crassulacean acid metabolism to improve water-use efficiency

被引：153

作者：

Borland, Anne M. ^{[1
,2
]}

Hartwell, James ^{[3
]}

Weston, David J. ^{[2
]}

Schlauch, Karen A. ^{[4
]}

Tschaplinski, Timothy J. ^{[2
]}

Tuskan, Gerald A. ^{[2
]}

Yang, Xiaohan ^{[2
]}

Cushman, John C. ^{[4
]}

机构：

[1] Newcastle Univ, Sch Biol, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

[2] Oak Ridge Natl Lab, Biosci Div, Oak Ridge, TN 37831 USA

[3] Univ Liverpool, Inst Integrat Biol, Dept Plant Sci, Liverpool L69 7ZB, Merseyside, England

[4] Univ Nevada, Dept Biochem & Mol Biol, Reno, NV 89557 USA

来源：

TRENDS IN PLANT SCIENCE | 2014年 / 19卷 / 05期

基金：

美国国家科学基金会; 英国生物技术与生命科学研究理事会; 美国国家卫生研究院;

关键词：

crassulacean acid metabolism; water-use efficiency; engineering CAM into C-3 plants; biodesign; bioenergy; PHOSPHOENOLPYRUVATE CARBOXYLASE KINASE; PROTEIN-PROTEIN INTERACTIONS; COMMON ICE PLANT; MESEMBRYANTHEMUM-CRYSTALLINUM; CARBON METABOLISM; ANION CHANNELS; LEAF ANATOMY; INTRACELLULAR-LOCALIZATION; ORTHOPHOSPHATE DIKINASE; GROUNDWATER DEPLETION;

D O I：

10.1016/j.tplants.2014.01.006

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Climatic extremes threaten agricultural sustainability worldwide. One approach to increase plant water-use efficiency (WUE) is to introduce crassulacean acid metabolism (CAM) into C-3 crops. Such a task requires comprehensive systems-level understanding of the enzymatic and regulatory pathways underpinning this temporal CO2 pump. Here we review the progress that has been made in achieving this goal. Given that CAM arose through multiple independent evolutionary origins, comparative transcriptomics and genomics of taxonomically diverse CAM species are being used to define the genetic 'parts list' required to operate the core CAM functional modules of nocturnal carboxylation, diurnal decarboxylation, and inverse stomatal regulation. Engineered CAM offers the potential to sustain plant productivity for food, feed, fiber, and biofuel production in hotter and drier climates.

引用

页码：327 / 338

页数：12

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