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2014 ; 19
(6
): 371-9
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Plant salt-tolerance mechanisms
#MMPMID24630845
Deinlein U
; Stephan AB
; Horie T
; Luo W
; Xu G
; Schroeder JI
Trends Plant Sci
2014[Jun]; 19
(6
): 371-9
PMID24630845
show ga
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.