无机砷在植物和微生物体内的代谢机制研究进展Recent Developments in Mechanisms of Arsenic Metabolism in Plants and Microbe
董晓玲;徐晓燕;
摘要(Abstract)：
砷污染是全球的热点问题之一.土壤中的无机砷在植物中的积累可通过食物链传递,从而对人体健康构成严重威胁.了解微生物和植物对无机砷的代谢机制,对认识和控制土壤中砷的风险至关重要.近年来,微生物对无机砷的代谢机制研究已经比较深入,但是仍有一些问题亟待解决,如信号传导、抗砷基因筛选等.在植物对无机砷的摄取、还原机制等方面也取得了一定进展,但是植物体内砷的转运机制、排出机制等仍有待进一步研究.论文综述了微生物、植物体内无机砷的代谢过程中,砷摄取、转运、还原和排出机制的最新进展,并对今后的研究方向进行了展望.
关键词(KeyWords)： 砷;摄取;还原;转运;区隔化;代谢;解毒
基金项目(Foundation): 铜陵市科技局资助项目(No.06FN1204)
作者(Author): 董晓玲;徐晓燕;
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DOI:
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