Role of soil rhizobacteria in phytoremediation of heavy metal contaminated soils

查看全文 作　　者：JING Yan-de1,2, HE Zhen-li1,3, YANG Xiao-e1 (1Ministry of Education Key Lab of Environment, Remediation and Ecosystem Health, School of Natural Resource and Environment Science, Zhejiang University, Hangzhou 310029, China) (2Department of Resources and Planning, Qufu Normal University, Jining 273165, China) (3University of Florida Institute of Food and Agricultural Sciences, Indian River Research and Education Center, Fort Pierce, Florida 34945, USA)

出　　处：《Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)》索引2007年第8卷第3期,共16页

基　　金：Project supported by the National Natural Science Foundation of China (No. 20577044);the National Basic Research Program (973) of China (No. 2002CB410804);the Program for Changjiang Scholars and Innovative Research Team in University (No. IRT0536), China 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 re-ceived 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 in-volved 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. 关键词：RHIZOBACTERIA PHYTOREMEDIATION HEAVY METALS RHIZOSPHERE

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Role of soil rhizobacteria in phytoremediation of heavy metal contaminated soils

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