Plant salt tolerance and Na+ sensing and transport

By Honghong Wu. Crop Journal, 2018

275 citations recorded by the source corpus.

Abstract Salinity is a global challenge to agricultural production. Understanding Na+ sensing and transport in plants under salt stress will be of benefit for breeding robustly salt-tolerant crop species. In this review, first, possible salt stress sensor candidates and the root meristem zone as a tissue harboring salt stress-sensing components are proposed. Then, the importance of Na+ exclusion and vacuolar Na+ sequestration in plant overall salt tolerance is highlighted. Other Na+ regulation processes, including xylem Na+ loading and unloading, phloem Na+ recirculation, and Na+ secretion, are discussed and summarized. Along with a summary of Na+ transporters and channels, the molecular regulation of Na+ transporters and channels in response to salt stress is discussed. Finally, some largely neglected issues in plant salt stress tolerance, including Na+ concentration in cytosol and the role of Na+ as a nutrient, are reviewed and discussed.

Subfields: Plant Science

View Paper: https://www.semanticscholar.org/paper/3acc92212ff767eb1e56babae03919c4f63f1487

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1. Mutale Joan CHANDA
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Citations in the corpus

• Microalgae-cyanobacteria–based biostimulant effect on salinity tolerance mechanisms, nutrient uptake, and tomato plant growth under salt stress (2021, background): “Therefore, mechanisms of Na+ and K+ uptake and translocation are key to the survival of glycophytes in saline environments (Wu 2018).”