期刊
PLANT CELL AND ENVIRONMENT
卷 33, 期 4, 页码 627-635出版社
WILEY
DOI: 10.1111/j.1365-3040.2009.02087.x
关键词
Arabidopsis; hyperosmotic stress; phospholipid signalling
资金
- National Science Foundation [IOS-0818740]
- United States Department of Agriculture [2007-35318-18393]
- National Science Foundation of China [30871303, 30625027, 90817014]
- Chinese National Key Basic Research Project [2006CB100100]
- Ministry of Education of China [20060307019]
- Division Of Integrative Organismal Systems
- Direct For Biological Sciences [0818740] Funding Source: National Science Foundation
- Div Of Molecular and Cellular Bioscience
- Direct For Biological Sciences [0920663] Funding Source: National Science Foundation
The activity of phospholipase D (PLD) in plants increases under different hyperosmotic stresses, such as dehydration, drought, and salinity. Recent results begin to shed light onto the involvement of PLD in response to water deficits and salinity. Different PLDs have unique and overlapping functions in these responses. PLD alpha 1 promotes stomatal closure and reduces water loss. PLD alpha 1 and PLD delta are involved in seedling tolerance to salt stress. PLD alpha 3 and PLD epsilon enhance plant growth and hyperosmotic tolerance. The different PLDs regulate the production of phosphatidic acid (PA) that is a key class of lipid mediators in plant response to environmental stresses. Further studies on the upstream regulators that activate different PLDs and the downstream effectors of PLDs and PA have the potential to unveil the linkage between the stimulus perception at the cell membrane to intracellular responses to drought and salinity stresses.
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