Degradation and mineralization of 2-chloro-, 3-chloro- and 4-chlorobiphenyl by a newly characterized natural bacterial strain isolated from an electrical transformer fluid-contaminated soil

A bacterium classified as Achromobacter xylosoxidans strain IR08 by phenotypic typing coupled with 16S rRNA gene analysis was isolated from a soil contaminated with electrical transformer ?uid for over sixty years using Aroclor 1221 as an enrichment substrate. The substrate utilization profiles reve...

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Bibliographic Details
Published in:Journal of environmental sciences (China) 2008, Vol.20 (10), p.1250
Main Authors: Ilori, Matthew O, Robinson, Gary K, Adebusoye, Sunday A
Format: Article
Language:English
Subjects:
Bacteria - classification
Bacteria - growth & development
Bacteria - isolation & purification
Bacteria - metabolism
Benzoates - chemistry
Benzoates - metabolism
Biodegradation, Environmental
Biphenyl Compounds - chemistry
Biphenyl Compounds - metabolism
Electricity
Incubators
Isomerism
Minerals - metabolism
Soil
Soil Pollutants - chemistry
Soil Pollutants - metabolism
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Summary:A bacterium classified as Achromobacter xylosoxidans strain IR08 by phenotypic typing coupled with 16S rRNA gene analysis was isolated from a soil contaminated with electrical transformer ?uid for over sixty years using Aroclor 1221 as an enrichment substrate. The substrate utilization profiles revealed that IR08 could grow on all three monochlorobiphenyls (CBs), 2,4'- and 4,4'-dichlorobiphenyl as well as 2-chlorobenzoate (2-CBA), 3-CBA, 4-CBA, and 2,3-dichlorobenzoate. Unusually, growth was poorly sustaine...
ISSN:1001-0742
1878-7320
DOI:10.1016/S1001-0742(08)62217-2