期刊
TRENDS IN PLANT SCIENCE
卷 19, 期 6, 页码 371-379出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2014.02.001
关键词
plant salinity tolerance; NaCl; abiotic stress; engineering of salt-tolerant plants; biotechnology
资金
- Division of Chemical Sciences, Geosciences, and Biosciences, Office of Basic Energy Sciences of the US Department of Energy [DE-FG02-03ER15449]
- National Institute of Environmental Health Sciences [P42 ES010337]
- German Academic Exchange Service (DAAD) fellowship
Crop performance is severely affected by high salt concentrations in soils. To engineer more salt-tolerant plants it is crucial to unravel the key components of the plant salt-tolerance network. Here we review our understanding of the core salt-tolerance mechanisms in plants. Recent studies have shown that stress sensing and signaling components can play important roles in regulating the plant salinity stress response. We also review key Na+ transport and detoxification pathways and the impact of epigenetic chromatin modifications on salinity tolerance. In addition, we discuss the progress that has been made towards engineering salt tolerance in crops, including marker-assisted selection and gene stacking techniques. We also identify key open questions that remain to be addressed in the future.
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