Salinity and draught are two major abiotic factors reducing plant productivity and quality .High salinity disturbs intracellular ion homeostasis, leads to cell membrane dam-age. disrupts the metabolic activity, and thus finally causes growth inhibition even plant death.To cope with these stresses. plantshave developed various adaptation mechanisms, one of those is to compartmentalize Na+ into the vacuoleto reduce the deleterious effects of excess Na+in the cytosol and to maintain osmotic balance using IVa+as a beneficial osmoregulation substance, thus further enhancing water uptake and salt tolerance ofplants.
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机译：Screening an Na＋/H＋ Antiporter Gene from the Halophiles Colonizing in the Dagong Ancient Brine Well of Zigong City, China自贡大公古盐井中嗜盐菌的Na＋／H＋离子逆转运蛋白基因筛选
