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Title: Plant salt-tolerance mechanisms

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.
Authors:
 [1] ;  [1] ;  [2] ;  [3] ;  [4] ;  [1]
  1. Univ. of California, San Diego, CA (United States). Food and Fuel for the 21st Century Center
  2. Shinshu Univ., Nagano (Japan). Div. of Applied Biology
  3. Univ. of California, San Diego, CA (United States). Food and Fuel for the 21st Century Center; Nanjing Agricultural Univ. (China). State Key lab. of Crop Genetics and Germplasm Enhancement, MOA Key Lab. of Plant Nutrition and Fertilization in Lower-Middle Reaches of the Yangtze River
  4. Nanjing Agricultural Univ. (China). State Key lab. of Crop Genetics and Germplasm Enhancement, MOA Key Lab. of Plant Nutrition and Fertilization in Lower-Middle Reaches of the Yangtze River
Publication Date:
OSTI Identifier:
1164927
Grant/Contract Number:
SC0007113
Type:
Accepted Manuscript
Journal Name:
Trends in Plant Science
Additional Journal Information:
Journal Volume: 19; Journal Issue: 6; Journal ID: ISSN 1360-1385
Publisher:
Cell Press
Research Org:
Life Sciences Research Foundation (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES plant salinity tolerance; NaCl; abiotic stress; engineering of salt-tolerant plants; biotechnology