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Lookup NU author(s): Professor Neil GrayORCiD,
Professor Ian Head
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Combined microautoradiography and fluorescence in situ hybridization (FISH) was used to investigate carbon metabolism in uncultured bacteria from the genus Achromatium. All of the Achromatium species identified in a freshwater sediment from Rydal Water, Cumbria, United Kingdom, which were distinguishable only by FISH, assimilated both [14C]bicarbonate and [14C]acetate. This extends previous findings that Achromatium spp. present at another location could only utilize organic carbon sources. Achromatium spp., therefore, probably exhibit a range of physiologies, i.e., facultative chemolithoautotrophy, mixotrophy, and chemoorganoheterotrophy, similar to other large sulfur bacteria (e.g., Beggiatoa spp.).
Author(s): Gray ND, Howarth R, Pickup RW, Jones JG, Head IM
Publication type: Article
Publication status: Published
Journal: Applied and Environmental Microbiology
ISSN (print): 0099-2240
ISSN (electronic): 1098-5336
Publisher: American Society for Microbiology
PubMed id: 11010908
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