Genetically engineered microbes for bioremediation and phytoremediation of contaminated environment

Arunraja, D.; Romauld, S. Ivo; Devi, Parthiban Brindha; Thiruvengadam, S.; Kumar, Vineet

doi:10.1016/b978-0-323-96113-4.00039-1

Cited by 3 publications

(1 citation statement)

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“…However, engineered in situ bioremediation involves the introduction of specific microorganisms, including genetically engineered microbes, to enhance the bioremediation process (S. Hussain, Jianjun, et al, 2022; A. Hussain, Rehman, et al, 2022). Bacteria, macrophytes, algae and fungi have all been used for remediating Hg polluted sites by alteration via bioaccumulation and biosorption processes (Arunraja et al, 2023; Chugh et al, 2022; Kristanti & Hadibarata, 2023; Rani et al, 2021; Saha et al, 2022; Tan et al, 2023).…”

Section: Microbial Bioremediationmentioning

confidence: 99%

Bioremediation of mercury contaminated soil and water: A review

Kumar,

Chawla

et al. 2023

Land Degrad Dev

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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.

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