期刊
CRITICAL REVIEWS IN BIOTECHNOLOGY
卷 30, 期 3, 页码 222-230出版社
TAYLOR & FRANCIS LTD
DOI: 10.3109/07388551.2010.487186
关键词
ABA; abiotic stress; signal transduction; leaf senescence; gene regulatory network; signaling pathways; biotechnology
资金
- Chinese Academy of Sciences [KZCX2-YW-JC203, KZCX2-XB2-05, kzcx2-yw-BR-02, 2009Y2B211]
- CAS/SAFEA
- Cooperative &Instructive and Awarding Foundation of State Key Laboratory of Soil Erosion and Dryland Farming [10501-HZ, 10501-JL]
In the past few years, the signal transduction of the plant hormone abscisic acid (ABA) has been studied extensively and has revealed an unanticipated complex. ABA, characterized as an intracellular messenger, has been proven to act a critical function at the heart of a signaling network operation. It has been found that ABA plays an important role in improving plant tolerance to cold, as well as triggering leaf senescence for years. In addition, there have been many reports suggesting that the signaling pathways for leaf senescence and plant defense responses may overlap. Therefore, the objective was to review what is known about the involvement of ABA signaling in plant responses to cold stress and regulation of leaf senescence. An overview about how ABA is integrated into sugars and reactive oxygen species signaling pathways, to regulate plant cold tolerance and leaf senescence, is provided. These roles can provide important implications for biotechnologically improving plant cold tolerance.
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