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Towards an understanding of salt tolerance in plants

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Soil salinity refers to a high concentration of salts in the landscape, mainly common salt or sodium chloride (NaCl), which has a negative impact on soil and water quality... A related protein in the test plant Arabidopsis, AtNHX1, has a very well-characterised role in salt tolerance... A deeper understanding of the mechanisms underlying this salt tolerance will be critical to the use of NHX proteins in producing transgenic salt-tolerant crop species...