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农业生产造成了重大损失。在植物耐盐过程中,Na+/H+逆向转运蛋白无疑起到了至关重要的作用。它不仅可以降低Na+的毒害,而且是保持细胞离子均衡以及调节细胞渗透势的关键因子。随着土壤盐渍化问题日益加重,利用分子生物学手段来克隆耐盐基因,并将其转移到非抗盐的作物中,以培育出耐盐的转基因新品种显得尤为重要。这不仅可以在一定程度上开发利用盐碱土地,而且对于提高农作物的产量具有非常重要的意义。
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