Degradation of Polychlorinated Biphenyls (PCBs) using Bacteria Isolated from Paint Scrapes

Singh, Ningthoujam Samarendra and Sarkar, Bipasa and Mukherjee, Irani and Shukla, Livleen and Varghese, Eldho (2020) Degradation of Polychlorinated Biphenyls (PCBs) using Bacteria Isolated from Paint Scrapes. Pesticide Research Journal, 32 (2). pp. 236-247. (In Press)

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    Abstract

    The use of microorganisms for bioremediation of polychlorinated biphenyls (PCBs) is reported. Three bacterial species namely Alcaligenes sp., Tistrella sp. and Bacillus amyloliquefaciens, isolated from paint contaminated sites, have been found to degrade the PCB congeners from soil individually under laboratory conditions. The three bacterial species dehalogenated effectively the lower chlorinated PCB congeners. In a PCB mixture in soil, the bacteria dissipated 31.0-34.4 per cent of di-, 22.3-28.8 per cent of tri-, 10.1-19.6 per cent of tetra-, 5.8-8.1 per cent of hexa- and 3.8-5.4 per cent of hepta-chlorinated congeners in 30 d. The findings suggest that PCB dechlorination in the soil system could be linked to aerobic microbial biodegradation. The work will be helpful in achieving a sustainable natural attenuation of xenobiotics in the environment.

    Item Type: Article
    Uncontrolled Keywords: Polychlorinated biphenyls, aerobic biodegradation, microbial remediation, paint contaminated soil
    Divisions: CMFRI-Kochi > Marine Capture > Fishery Resource Assessment
    Subject Area > CMFRI > CMFRI-Kochi > Marine Capture > Fishery Resource Assessment
    CMFRI-Kochi > Marine Capture > Fishery Resource Assessment
    Subject Area > CMFRI-Kochi > Marine Capture > Fishery Resource Assessment
    Depositing User: Arun Surendran
    Date Deposited: 10 Feb 2021 07:09
    Last Modified: 10 Feb 2021 07:09
    URI: http://eprints.cmfri.org.in/id/eprint/14894

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