Bioremediation of mercury contaminated soil and water: A review

Kumar, Amit, Kumar, Vinod, Chawla, Mrinalini, Thakur, Monika, Bhardwaj, Renu, Wang, Jianxu, O'Connor, David, Hou, Deyi and Rinklebe, Jörg (2023) Bioremediation of mercury contaminated soil and water: A review. Land Degradation & Development, 35 (4). pp. 1261-1283. ISSN 1085-3278

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Abstract

Mercury (Hg) pollution of soil and water environments is a major global threat to human health, agri-food systems and ecosystems and industrial activities mainly coal combustion augmented their content in different environmental media. Bioremediation is a nature-based solution involving microbial- and plant-based (phytoremediation) technologies that clean-up Hg contaminated sites. Here, we review Hg-resistant bacteria and how latest insights in our understanding of the cellular and biochemical mechanisms of the mer operon genes responsible for Hg resistance and transformation have facilitated developments in microbial Hg-bioremediation. We also review the phytoremediation mechanisms, including those of bacterial- and fungi-assisted phytoremediation processes, which have shown promising results in reducing Hg2+ to Hg0. This review provides a detailed knowledge of novel Hg bioremediation mechanisms and methods. Consequently, microbial- and phyto-based bioremediation technologies have a critical role in the reclamation of Hg-contaminated environments and the protection of human health and ecosystems.

Item Type:	Article
Additional Information:	This is the peer reviewed version of the following article: [Kumar, A., Kumar, V., Chawla, M., Thakur, M., Bhardwaj, R., Wang, J., O'Connor, D., Hou, D., & Rinklebe, J. (2024). Bioremediation of mercury contaminated soil and water: A review. Land Degradation & Development, 35(4), 1261–1283. https://doi.org/10.1002/ldr.4989], which has been published in final form at [https://doi.org/10.1002/ldr.4989]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
Keywords:	bacteria, bioremediation, fungi, mer operon, mercury, microbes
Divisions:	Land and Property Management
Depositing User:	Dr David O'Connor
Date Deposited:	14 Mar 2024 19:37
Last Modified:	14 Mar 2024 19:37
URI:	https://rau.repository.guildhe.ac.uk/id/eprint/16740

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