Abstract
The most contemporary ecological issues are the dumping of unprocessed factories’ effluent. As a result, there is an increasing demand for creative, practical, environmentally acceptable, and inexpensive methodologies to remediate inorganic metals (Hg, Cr, Pb, and Cd) liquidated into the atmosphere, protecting ecosystems. Latest innovations in biological metals have driven natural treatment as a viable substitute for traditional approaches in this area. To eliminate pesticide remains from soil/water sites, technologies such as oxidation, burning, adsorption, and microbial degradation have been established. Bioremediation is a more cost-effective and ecologically responsible means of removing heavy metals than conventional alternatives. As a result, microorganisms have emerged as a necessary component of methyl breakdown and detoxification via metabolic reactions and hereditary characteristics. The utmost operative variant for confiscating substantial metals commencing contaminated soil was A. niger, which had a maximum bioaccumulation efficiency of 98% (Cd) and 43% (Cr). Biosensor bacteria are both environmentally sustainable and cost-effective. As a result, microbes have a range of metal absorption processes that allow them to have higher metal biosorption capabilities. Additionally, the biosorption potential of bacterium, fungus, biofilm, and algae, inherently handled microorganisms that immobilized microbial cells for the elimination of heavy metals, was reviewed in this study. Furthermore, we discuss some of the challenges and opportunities associated with producing effective heavy metal removal techniques, such as those that employ different types of nanoparticles.
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Consejo Nacional de Ciencia y Tecnología (CONACyT) Mexico is thankfully acknowledged for partially supporting this work under Sistema Nacional de Investigadores (SNI) program awarded to Hafiz M.N. Iqbal (CVU: 735340).
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QM, NH and MB conceptualized the review theme. QM, NH, MM, MB and HMNI wrote the main manuscript text. QM prepared the Tables. NH and HMNI prepared figures. All authors reviewed the manuscript.
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Maqsood, Q., Hussain, N., Mumtaz, M. et al. Novel strategies and advancement in reducing heavy metals from the contaminated environment. Arch Microbiol 204, 478 (2022). https://doi.org/10.1007/s00203-022-03087-2
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DOI: https://doi.org/10.1007/s00203-022-03087-2