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Molecular Approaches for Removal of Toxic Metal by Genetically Modified Microbes

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Relation http://oar.icrisat.org/12604/
https://www.taylorfrancis.com/chapters/edit/10.1201/9781003165057-5/molecular-approaches-removal-toxic-metal-genetically-modified-microbes-joorie-bhattacharya-rahul-nitnavare-sougata-ghosh
https://doi.org/10.1201/9781003165057-5
 
Title Molecular Approaches for Removal of Toxic Metal by Genetically Modified Microbes
 
Creator Bhattacharya, J
Nitnavare, R
Ghosh, S
 
Subject Genetic Engineering
 
Description For a long time, microbes have flourished in metal-contami-
nated environments and played a vital role in their speciation. Metals often have a key role in defining various catalyzing reactions as well as maintaining the structure of the microbial cell. However, certain metals do not contribute to the microbial metabolism and are instead highly toxic. Further, the use of metals in metabolic pathways depends greatly on the species of the metal. Numerous microorganism (bacteria, fungi, yeast, and algae) belonging to varying species were identified that possess the ability to tolerate high heavy metal concentrations
in the environment (Ghosh, 2018; Bloch et al., 2021). Microbes exhibit different mechanisms for resistance against heavy metals such as biosorption of metal ions, bioaccumulation, and biotransformation of metal species. The microbial species also have the ability to cope with diverse aerobic, anaerobic, and thermophilic environments. Microbial biomass is often used to enhance metal-binding capacity in an aqueous solution and eventually for recovery of the metals. However, the use of microbes such as bacteria as a biosorbent can be easily altered with natural materials like resins, which have shown similar efficiencies (Valls and De Lorenzo, 2002)
 
Publisher CRC Press
 
Contributor Shah, M P
 
Date 2022
 
Type Book Section
PeerReviewed
 
Identifier Bhattacharya, J and Nitnavare, R and Ghosh, S (2022) Molecular Approaches for Removal of Toxic Metal by Genetically Modified Microbes. In: Wastewater Treatment Molecular Tools, Techniques, and Applications. Environmental Sciences, 1 . CRC Press, Boca Raton, pp. 47-59. ISBN 9781003165057