UNSPECIFIED. (2002) Detection and localization of two hydrogenases in Methylococcus capsulatus (Bath) and their potential role in methane metabolism. ARCHIVES OF MICROBIOLOGY, 177 (2). pp. 167-172. ISSN 0302-8933

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Abstract

Methylococcus capsulatus (Bath) was shown to contain two distinct hydrogenases, a soluble hydrogenase and a membrane-bound hydrogenase. This is the first report of a membrane-bound hydrogenase in methanotrophs. Both enzymes were expressed apparently constitutively under normal growth conditions. The soluble hydrogenase was capable of reducing NAD(+) with molecular hydrogen. The activities of both soluble and particulate methane monooxygenases could be driven by molecular hydrogen. This confirmed that molecular hydrogen could be used as a source of reducing power for methane oxidation. Hydrogen-driven methane monooxygenase activities tolerated elevated temperatures and moderate oxygen concentrations. The significance of these findings for biotechnological applications of methanotrophs is discussed.

Item Type:	Journal Article
Subjects:	Q Science > QR Microbiology
Journal or Publication Title:	ARCHIVES OF MICROBIOLOGY
Publisher:	SPRINGER-VERLAG
ISSN:	0302-8933
Date:	February 2002
Volume:	177
Number:	2
Number of Pages:	6
Page Range:	pp. 167-172
Identification Number:	10.1007/s00203-001-0372-4
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/11202

Data sourced from Thomson Reuters' Web of Knowledge

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