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首页> 外文期刊>Journal of Zhejiang University. B >Role of soil rhizobacteria in phytoremediation of heavy metal contaminated soils
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Role of soil rhizobacteria in phytoremediation of heavy metal contaminated soils

机译：土壤根际细菌在重金属污染土壤的植物修复中的作用

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摘要

Heavy metal pollution of soil is a significant environmental problem and has its negative impact on human health and agriculture. Rhizosphere, as an important interface of soil and plant, plays a significant role in phytoremediation of contaminated soil by heavy metals, in which, microbial populations are known to affect heavy metal mobility and availability to the plant through release of chelating agents, acidification, phosphate solubilization and redox changes, and therefore, have potential to enhance phytoremediation processes. Phytoremediation strategies with appropriate heavy metal-adapted rhizobacteria have received more and more attention. This article paper reviews some recent advances in effect and significance of rhizobacteria in phytoremediation of heavy metal contaminated soils. There is also a need to improve our understanding of the mechanisms involved in the transfer and mobilization of heavy metals by rhizobacteria and to conduct research on the selection of microbial isolates from rhizosphere of plants growing on heavy metal contaminated soils for specific restoration programmes.
机译：土壤的重金属污染是一个重大的环境问题，对人类健康和农业产生负面影响。根际是土壤和植物的重要界面，在重金属污染的土壤的植物修复中起着重要作用，其中已知微生物种群通过释放螯合剂，酸化，磷酸盐来影响重金属的迁移和对植物的利用率。增溶作用和氧化还原变化，因此具有增强植物修复过程的潜力。具有适当的重金属适应性根瘤菌的植物修复策略已受到越来越多的关注。本文综述了根瘤菌在重金属污染土壤的植物修复中的作用和意义方面的最新进展。还需要增进我们对根际细菌转移和迁移重金属的机制的了解，并进行针对特定恢复计划从重金属污染土壤上生长的植物的根际选择微生物分离物的研究。

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