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Article: Microbial community in microbial fuel cell (MFC) medium and effluent enriched with purple photosynthetic bacterium (rhodopseudomonas sp.)

TitleMicrobial community in microbial fuel cell (MFC) medium and effluent enriched with purple photosynthetic bacterium (rhodopseudomonas sp.)
Authors
KeywordsSyntrophic relationship
Purple color characteristic of rhodopseudomonas
Microbial community
Hydrogenotrophic methanogens
Hydrogen oxidizing bacteria
Issue Date2014
Citation
AMB Express, 2014, v. 4, n. 1, p. 1-8 How to Cite?
AbstractHigh power densities have been obtained from MFC reactors having a purple color characteristic of Rhodopseudomonas. We investigated the microbial community structure and population in developed purple MFC medium (DPMM) and MFC effluent (DPME) using 16S rRNA pyrosequencing. In DPMM, dominant bacteria were Comamonas (44.6%), Rhodopseudomonas (19.5%) and Pseudomonas (17.2%). The bacterial community of DPME mainly consisted of bacteria related to Rhodopseudomonas (72.2%). Hydrogen oxidizing bacteria were identified in both purple-colored samples: Hydrogenophaga and Sphaerochaeta in the DPMM, and Arcobacter, unclassified Ignavibacteriaceae, Acinetobacter, Desulfovibrio and Wolinella in the DPME. The methanogenic community of both purple-colored samples was dominated by hydrogenotrophic methanogens including Methanobacterium, Methanobrevibacter and Methanocorpusculum with significantly lower numbers of Methanosarcina. These results suggeste that hydrogen is actively produced by Rhodopseudomonas that leads t o the dominance of hydrogen consuming microorganisms in both purple-colored samples. The syntrophic relationship between Rhodopseudomonas and hydrogenotrophic microbes might be important for producing high power density in the acetate-fed MFC under light conditions. © 2014 Park et al.
Persistent Identifierhttp://hdl.handle.net/10722/254542

 

DC FieldValueLanguage
dc.contributor.authorPark, Tae Jin-
dc.contributor.authorDing, Weijun-
dc.contributor.authorCheng, Shaoan-
dc.contributor.authorBrar, Manreetpal Singh-
dc.contributor.authorMa, Angel Po Yee-
dc.contributor.authorTun, Hein Min-
dc.contributor.authorLeung, Frederick C.-
dc.date.accessioned2018-06-19T15:40:50Z-
dc.date.available2018-06-19T15:40:50Z-
dc.date.issued2014-
dc.identifier.citationAMB Express, 2014, v. 4, n. 1, p. 1-8-
dc.identifier.urihttp://hdl.handle.net/10722/254542-
dc.description.abstractHigh power densities have been obtained from MFC reactors having a purple color characteristic of Rhodopseudomonas. We investigated the microbial community structure and population in developed purple MFC medium (DPMM) and MFC effluent (DPME) using 16S rRNA pyrosequencing. In DPMM, dominant bacteria were Comamonas (44.6%), Rhodopseudomonas (19.5%) and Pseudomonas (17.2%). The bacterial community of DPME mainly consisted of bacteria related to Rhodopseudomonas (72.2%). Hydrogen oxidizing bacteria were identified in both purple-colored samples: Hydrogenophaga and Sphaerochaeta in the DPMM, and Arcobacter, unclassified Ignavibacteriaceae, Acinetobacter, Desulfovibrio and Wolinella in the DPME. The methanogenic community of both purple-colored samples was dominated by hydrogenotrophic methanogens including Methanobacterium, Methanobrevibacter and Methanocorpusculum with significantly lower numbers of Methanosarcina. These results suggeste that hydrogen is actively produced by Rhodopseudomonas that leads t o the dominance of hydrogen consuming microorganisms in both purple-colored samples. The syntrophic relationship between Rhodopseudomonas and hydrogenotrophic microbes might be important for producing high power density in the acetate-fed MFC under light conditions. © 2014 Park et al.-
dc.languageeng-
dc.relation.ispartofAMB Express-
dc.subjectSyntrophic relationship-
dc.subjectPurple color characteristic of rhodopseudomonas-
dc.subjectMicrobial community-
dc.subjectHydrogenotrophic methanogens-
dc.subjectHydrogen oxidizing bacteria-
dc.titleMicrobial community in microbial fuel cell (MFC) medium and effluent enriched with purple photosynthetic bacterium (rhodopseudomonas sp.)-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1186/s13568-014-0022-2-
dc.identifier.scopuseid_2-s2.0-84897124142-
dc.identifier.volume4-
dc.identifier.issue1-
dc.identifier.spage1-
dc.identifier.epage8-
dc.identifier.eissn2191-0855-

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