Uptake of Carbon Monoxide and Hydrogen at Environmentally ...

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Jul 2, 2003 - Fenchel, T., G. M. King, and T. H. Blackburn. 1998. Bacterial ... ron. Qual. 28:1226–1234. 21. Johnson, J. E., and T. S. Bates. 1996. Sources and ...
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, Dec. 2003, p. 7266–7272 0099-2240/03/$08.00⫹0 DOI: 10.1128/AEM.69.12.7266–7272.2003 Copyright © 2003, American Society for Microbiology. All Rights Reserved.

Vol. 69, No. 12

Uptake of Carbon Monoxide and Hydrogen at Environmentally Relevant Concentrations by Mycobacteria† Gary M. King* Darling Marine Center, University of Maine, Walpole, Maine 04573 Received 2 July 2003/Accepted 4 September 2003

Liquid culture assays revealed a previously unreported capacity for Mycobacterium bovis BCG, M. gordonae, and M. marinum to oxidize CO and for M. smegmatis to consume molecular hydrogen. M. bovis BCG, M. gordonae, M. smegmatis, and M. tuberculosis H37Ra oxidized CO at environmentally relevant concentrations (