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    Extensive industrial activities have led to an increase of the content of chromium in the environment, which causes serious pollution to the surrounding water, soil and atmosphere. The enrichment of chromium in the environment through the food chain ultimately affects human health. Therefore, the remediation of chromium pollution is crucial to development of human society. A lot of scholars have paid attention to bioremediation technology owing to its environmentally friendly and low-cost. Previous reviews mostly involved pure culture of microorganisms and rarely discussed the optimization of bioreduction conditions. To make up for these shortcomings, we not only introduced in detail the conditions that affect microbial reduction but also innovatively introduced consortium which may be the cornerstone for future treatment of complex field environments. The aim of this study is to summary chromium toxicity, factors affecting microbial remediation, and methods for enhancing bioremediation. However, the actual application of bioremediation technology is still facing a major challenge. This study also put forward the current research problems and proposed future research directions, providing theoretical guidance and scientific basis for the application of bioremediation technology. Copyright © 2020 The Authors. Published by Elsevier Inc. All rights reserved.


    Xue Tang, Yi Huang, Ying Li, Li Wang, Xiangjun Pei, Dan Zhou, Peng He, Scott S Hughes. Study on detoxification and removal mechanisms of hexavalent chromium by microorganisms. Ecotoxicology and environmental safety. 2021 Jan 15;208:111699

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    PMID: 33396030

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