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ISOLATION AND CHARACTERIZATION OF METHANESULFONIC ACID-DEGRADING BACTERIA FROM THE MARINE-ENVIRONMENT
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UNSPECIFIED (1995) ISOLATION AND CHARACTERIZATION OF METHANESULFONIC ACID-DEGRADING BACTERIA FROM THE MARINE-ENVIRONMENT. APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 61 (6). pp. 2388-2393. ISSN 0099-2240
Full text not available from this repository.Abstract
Two methylotrophic bacterial strains, TR3 and PSCH4, capable of growth on methanesulfonic acid as the sole carbon source were isolated from the marine environment. Methanesulfonic acid metabolism in these strains was initiated by an inducible NADH-dependent monooxygenase, which cleaved methanesulfonic acid into formaldehyde and sulfite. The presence of hydroxypyruvate reductase and the absence of ribulose monophosphate-dependent hexulose monophosphate synthase indicated the presence of the serine pathway for formaldehyde assimilation. Cell suspensions of bacteria grown on methanesulfonic acid completely oxidized methanesulfonic acid to carbon dioxide and sulfite with a methanesulfonic acid/oxygen stoichiometry of 1.0:2.0, Oxygen electrode-substrate studies indicated the dissimilation of formaldehyde to formate and carbon dioxide for energy generation. Carbon dioxide was not fixed by ribulose bisphosphate carboxylase. It was shown that methanol is not an intermediate in methanesulfonic acid metabolism, although these strains grew on methanol and other one-carbon compounds, as well as a variety of heterotrophic carbon sources. These two novel marine facultative methylotrophs have the ability to mineralize methanesulfonic acid and may play a role in the cycling of global organic sulfur.
| Item Type: | Journal Article |
|---|---|
| Subjects: | T Technology > TP Chemical technology Q Science > QR Microbiology |
| Journal or Publication Title: | APPLIED AND ENVIRONMENTAL MICROBIOLOGY |
| Publisher: | AMER SOC MICROBIOLOGY |
| ISSN: | 0099-2240 |
| Date: | June 1995 |
| Volume: | 61 |
| Number: | 6 |
| Number of Pages: | 6 |
| Page Range: | pp. 2388-2393 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/19779 |
Data sourced from Thomson Reuters' Web of Knowledge
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