Making sense of low oxygen sensing

被引:436
作者
Bailey-Serres, Julia [1 ]
Fukao, Takeshi [1 ]
Gibbs, Daniel J. [2 ]
Holdsworth, Michael J. [2 ]
Lee, Seung Cho [1 ]
Licausi, Francesco [3 ,4 ]
Perata, Pierdomenico [4 ]
Voesenek, Laurentius A. C. J. [5 ,6 ]
van Dongen, Joost T. [3 ]
机构
[1] Univ Calif Riverside, Dept Bot & Plant Sci, Ctr Plant Cell Biol, Riverside, CA 92521 USA
[2] Univ Nottingham, Sch Biosci, Div Plant & Crop Sci, Loughborough LE12 5RD, Leics, England
[3] Max Planck Inst Mol Physiol, D-14476 Potsdam, Germany
[4] Scuola Super Sant Anna, Inst Life Sci, PlantLab, I-56127 Pisa, Italy
[5] Univ Utrecht, Inst Environm Biol, NL-3584 CH Utrecht, Netherlands
[6] Ctr Biosyst Genom, NL-6708 PB Wageningen, Netherlands
基金
美国农业部; 英国生物技术与生命科学研究理事会; 美国国家科学基金会;
关键词
END RULE PATHWAY; ETHYLENE RESPONSE FACTORS; TRICARBOXYLIC-ACID CYCLE; GENOME-WIDE ANALYSIS; SUBMERGENCE TOLERANCE; TRANSCRIPTION FACTOR; ANOXIA TOLERANCE; GENE-EXPRESSION; ALANINE AMINOTRANSFERASE; NATURAL VARIATION;
D O I
10.1016/j.tplants.2011.12.004
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Plant-specific group VII Ethylene Response Factor (ERF) transcription factors have emerged as pivotal regulators of flooding and low oxygen responses. In rice (Oryza sativa), these proteins regulate contrasting strategies of flooding survival. Recent studies on Arabidopsis thaliana group VII ERFs show they are stabilized under hypoxia but destabilized under oxygen-replete conditions via the N-end rule pathway of targeted proteolysis. Oxygen-dependent sequestration at the plasma membrane maintains at least one of these proteins, RAP2.12, under normoxia. Remarkably, SUB1A, the rice group VII ERF that enables prolonged submergence tolerance, appears to evade oxygen-regulated N-end rule degradation. We propose that the turnover of group VII ERFs is of ecological relevance in wetland species and might be manipulated to improve flood tolerance of crops.
引用
收藏
页码:129 / 138
页数:10
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