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Cited by 147Heavy Metal Pollution RemediationChromium effects and bioremediationHeavy metals in environment

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Trends in Bioremediation of Heavy Metal Contaminations

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JEYAKUMAR, Parasakthi, DEBNATH, Chandrani, Vijayaraghavan, R, MUTHURAJ, Muthusivaramapandian·2022·Environmental Engineering Research
DOI 10.4491/eer.2021.631
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Abstract

Heavy metal contamination of the ecosystem remains one of the severe global threats. Even in trace quantities, heavy metals and metalloids such as chromium, lead, mercury, cadmium, nickel, and cobalt are toxic and carcinogenic, posing a serious threat to human life. Certain microbes and plants have evolved detoxifying pathways to fight the harmful effects of these inorganic metals, paving the door for bioremediation. Because of its environmentally benign nature, economic viability, and low labor and effort requirements, bioremediation outperforms other approaches in eliminating heavy metals. This review highlights the potential of microbes on remediation of heavy metals in the context of environmental protection and also focuses on the critical tolerance mechanisms used by these microbes in combating heavy metal contaminations. Furthermore, the bioremediation potential of bacteria, fungus, algae, plants, biosurfactants, biofilms and genetically altered microorganisms for the removal of these heavy metals was reviewed in this study. Applying these techniques as a sustainable environmental technology in the near future has shown synergistic benefits with a many-fold increase in the removal of heavy metals.

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Metadata

Authors
JEYAKUMAR, P., DEBNATH, C., Vijayaraghavan, R., & MUTHURAJ, M.
Affiliations
  • Nehru Arts and Science College (IN)
  • National Institute of Technology Agartala (IN)
ORCID
Venue
Environmental Engineering Research
Publisher
Korean Society of Environmental Engineering
Published
2022-10-16
Volume
28
Issue
4
Pages
220631-0
ISSN
  • 1226-1025 (ISSN-L)
  • 2005-968X
DOI
10.4491/eer.2021.631
OpenAlex
W4306916747
Cited by
147
References
2
Citations by year
2026: 33 · 2025: 38 · 2024: 55 · 2023: 21
FWCI
8.18
Type
journal article
Language
en
Open access
Licence
cc-by-nc
Locations
Environmental Engineering Research (publishedVersion, cc-by-nc)
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Heavy Metal Pollution Remediation
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Chromium effects and bioremediation
  • Physical Sciences › Environmental Science › Pollution › Heavy metals in environment
Keywords
heavy metal contamination, bioremediation, microbial detoxification, metal tolerance mechanisms, heavy metals, metalloids, biosurfactants, biofilm, genetically modified microorganisms, phytoremediation, fungal bioremediation

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