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Effect of substrate interaction on oxidation of methane and benzene in enriched microbial consortia from landfill cover soil

Title
Effect of substrate interaction on oxidation of methane and benzene in enriched microbial consortia from landfill cover soil
Authors
Lee E.-H.Park H.Cho K.-S.
Ewha Authors
조경숙이은희
SCOPUS Author ID
조경숙scopus; 이은희scopusscopus
Issue Date
2011
Journal Title
Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
ISSN
1093-4529JCR Link
Citation
vol. 46, no. 9, pp. 997 - 1007
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
The interaction of methane and benzene during oxidation in enriched methane-oxidizing consortium (MOC) and in benzene-oxidizing consortium (BOC) from landfill cover soil was characterized. Oxidation of both methane and benzene occurred in the MOC due to the coexistence of bacteria responsible for benzene oxidation, as well as methanotrophs, whereas in the BOC, only benzene was oxidized, not methane. Methane oxidation rates in the MOC were decreased with increasing benzene/methane ratio (mol/mol), indicating its methane oxidation was inhibited by the benzene coexistence. Benzene oxidation rates in the MOC, however, were increased with increasing benzene/methane ratio. The benzene oxidation in the BOC was not affected by the coexistence of methane or by the ratio of methane/benzene ratio (mol/mol). No effect of methane or benzene was found on the dynamics of functional genes, such as particulate methane monooxygenase and toluene monooxygenase, in association with oxidation of methane and benzene in the MOC and BOC. Copyright © Taylor & Francis Group, LLC.
DOI
10.1080/10934529.2011.586266
Appears in Collections:
엘텍공과대학 > 환경공학전공 > Journal papers
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