Geochemical constraints on the diversity and activity of H2 -oxidizing microorganisms in diffuse hydrothermal fluids from a basalt- and an ultramafic-hosted vent.

@article{Perner2010GeochemicalCO,
  title={Geochemical constraints on the diversity and activity of H2 -oxidizing microorganisms in diffuse hydrothermal fluids from a basalt- and an ultramafic-hosted vent.},
  author={Mirjam Perner and Jillian M Petersen and Frank U. Zielinski and Hans-Hermann Gennerich and Richard Seifert},
  journal={FEMS microbiology ecology},
  year={2010},
  volume={74 1},
  pages={
          55-71
        }
}
Mixing processes of reduced hydrothermal fluids with oxygenated seawater and fluid-rock reactions contribute to the chemical signatures of diffuse venting and likely determine the geochemical constraints on microbial life. We examined the influence of fluid chemistry on microbial diversity and activity by sampling diffuse fluids emanating through mussel beds at two contrasting hydrothermal vents. The H(2) concentration was very low at the basalt-hosted Clueless site, and mixing models suggest O… CONTINUE READING
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