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Use of combined microautoradiography and fluorescence in situ hybridization to determine carbon metabolism in mixed natural communities of uncultured bacteria from the genus Achromatium

Lookup NU author(s): Professor Neil GrayORCiD, Richard Howarth, 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.).

Publication metadata

Author(s): Gray ND, Howarth R, Pickup RW, Jones JG, Head IM

Publication type: Article

Publication status: Published

Journal: Applied and Environmental Microbiology

Year: 2000

Volume: 66

Issue: 10

Pages: 4518-4522

ISSN (print): 0099-2240

ISSN (electronic): 1098-5336

Publisher: American Society for Microbiology


DOI: 10.1128/AEM.66.10.4518-4522.2000

PubMed id: 11010908


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