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Role of soil rhizobacteria in phytoremediation of heavy metal contaminated soils

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Abstract

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.

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Authors and Affiliations

  1. Ministry of Education Key Lab of Environment, Remediation and Ecosystem Health, School of Natural Resource and Environment Science, Zhejiang University, Hangzhou, 310029, China

    Jing Yan-de, He Zhen-li & Yang Xiao-e

  2. Department of Resources and Planning, Qufu Normal University, Jining, 273165, China

    Jing Yan-de

  3. Indian River Research and Education Center, University of Florida Institute of Food and Agricultural Sciences, Fort Pierce, Florida, 34945, USA

    He Zhen-li

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  1. Jing Yan-de
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Correspondence to He Zhen-li.

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Project supported by the National Natural Science Foundation of China (No. 20577044), the National Basic Research Program (973) of China (No. 2002CB410804), and the Program for Changjiang Scholars and Innovative Research Team in University (No. IRT0536), China

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Jing, Yd., He, Zl. & Yang, Xe. Role of soil rhizobacteria in phytoremediation of heavy metal contaminated soils. J. Zhejiang Univ. - Sci. B 8, 192–207 (2007). https://doi.org/10.1631/jzus.2007.B0192

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