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Recent Advancements in Bioremediation of Metal Contaminants
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Author(s): Yuvarajan Ragunathan (Mahendra Arts and Science College (Autonomous), India), Kannan Nallakumar (Mahendra Arts and Science College (Autonomous), India), Thirumalaisamy Rathinavel (Mahendra Arts and Science College (Autonomous), India), Muthusamy Govarthanan (Kyungpook National University, South Korea)and Selvankumar Thangaswamy (Mahendra Arts and Science College (Autonomous), India)
Copyright: 2021
Pages: 15
Source title:
Recent Advancements in Bioremediation of Metal Contaminants
Source Author(s)/Editor(s): Satarupa Dey (Shyampur Siddheswari Mahavidyalaya, India)and Biswaranjan Acharya (School of Computer Engineering, KIIT University (Deemed), India)
DOI: 10.4018/978-1-7998-4888-2.ch015
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Abstract
Biofilms are an accumulation of single or various populations of microorganisms that are present on the surfaces through membrane-bound substances due to the gene expression, which differs from free-floating expression and leads to expressed genes regulating biofilm formation and development. In this regard, recent advances in microbial-based heavy metals have propelled bioremediation as a prospective alternative to conventional techniques. Adsorption and biodegradation of organic contaminants and the immobilization, mobilization, and/or transformation of metals are the main remediation processes that can be mediated by the action of several microorganisms surviving in hostile environments with high concentrations of pollutants. The chapter discussed the formation and regulation of biofilms to degrade the metal contaminant, the importance of gene transfer, and applications of biofilm-mediated bioremediation processes.
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