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      Diversity of methyl halide-degrading microorganisms in oceanic and coastal waters

      Cox, Michael J.; Schäfer, Hendrik; Nightingale, Phillip D.; McDonald, Ian R.; Murrell, J. Colin
      DOI
       10.1111/j.1574-6968.2012.02624.x
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      Cox, M. J., Schäfer, H., Nightingale, P. D., McDonald, I. R., & Murrell, J. C. (2012). Diversity of methyl halide-degrading microorganisms in oceanic and coastal waters. FEMS Microbiology Letters, 334(2), 111-118.
      Permanent Research Commons link: https://hdl.handle.net/10289/6681
      Abstract
      Methyl halides have a significant impact on atmospheric chemistry, particularly in the degradation of stratospheric ozone. Bacteria are known to contribute to the degradation of methyl halides in the oceans and marine bacteria capable of using methyl bromide and methyl chloride as sole carbon and energy source have been isolated. A genetic marker for microbial degradation of methyl bromide ( cmuA ) was used to examine the distribution and diversity of these organisms in the marine environment. Three novel marine clades of cmuA were identified in unamended seawater and in marine enrichment cultures degrading methyl halides. Two of these cmuA clades are not represented in extant bacteria, demonstrating the utility of this molecular marker in identifying uncultivated marine methyl halide-degrading bacteria. The detection of populations of marine bacteria containing cmuA genes suggests that marine bacteria employing the CmuA enzyme contribute to methyl halide cycling in the ocean.
      Date
      2012
      Type
      Journal Article
      Publisher
      WIley
      Collections
      • Science and Engineering Papers [3124]
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