Isolation and characterization of a new facultatively autotrophic hydrogen-oxidizing Betaproteobacterium, Hydrogenophaga sp. AH-24.

Isolation and characterization of a new facultatively autotrophic hydrogen-oxidizing Betaproteobacterium, Hydrogenophaga sp. AH-24. Research Abstract Details 

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Isolation and characterization of a new facultatively autotrophic hydrogen-oxidizing Betaproteobacterium, Hydrogenophaga sp. AH-24. Abstract Text:

Ki-Seok Yoon,Natsuki Tsukada,Yukiko Sakai,Masaharu Ishii,Yasuo Igarashi,Hirofumi Nishihara,Ki-Seok Yoon,Natsuki Tsukada,Yukiko Sakai,Masaharu Ishii,Yasuo Igarashi,Hirofumi Nishihara,

A hydrogen-oxidizing bacterium strain AH-24 was isolated, which was classified in the genus Hydrogenophaga, based on the 16S rRNA gene sequence. The isolate possessed a typical yellow pigment of Hydrogenophaga species. Its closest relative was Hydrogenophaga pseudoflava, but the assimilation profile of sugar compounds resembled that of no species of Hydrogenophaga. The optimum temperature and pH for autotrophic growth were, respectively, 33-35 degrees C and 7.0. Most hydrogenase activity (benzyl viologen reducing activity) was localized in the membrane fraction (MF), but NAD(P)-reducing hydrogenase activity was detected in neither the membrane nor the soluble fractions. Cytochromes b(561) and c(551) were present in MF; both were reduced when hydrogen was supplied to the oxidized MF, suggesting involvement in respiratory H(2) oxidation as electron carriers. Cytochrome b(561) was inferred to function as the redox partner of the membrane-bound hydrogenase.

Isolation and characterization of a new facultatively autotrophic hydrogen-oxidizing Betaproteobacterium, Hydrogenophaga sp. AH-24. Publishing Authors By Initials

KS Yoon,N Tsukada,Y Sakai,M Ishii,Y Igarashi,H Nishihara,KS Yoon,N Tsukada,Y Sakai,M Ishii,Y Igarashi,H Nishihara,

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Isolation and characterization of a new facultatively autotrophic hydrogen-oxidizing Betaproteobacterium, Hydrogenophaga sp. AH-24. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: FEMS microbiology letters

VOLUME: 278

Page Numbers: 94-100

Journal Abbreviation: FEMS Microbiol. Lett.

ISSN: 0378-1097

DAY: 19

MONTH: 11

YEAR: 2007

Isolation and characterization of a new facultatively autotrophic hydrogen-oxidizing Betaproteobacterium, Hydrogenophaga sp. AH-24. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Isolation and characterization of a new facultatively autotrophic hydrogen-oxidizing Betaproteobacterium, Hydrogenophaga sp. AH-24.

AFFILIATION: Department of Bioresource Science, School of Agriculture, Ibaraki University, Inashiki-gun, Ibaraki, Japan.

Country: England

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MEDLINETA: FEMS Microbiol Lett

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