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A ubiquitous thermoacidophilic archaeon from deep-sea hydrothermal vents

Author

Listed:
  • Anna-Louise Reysenbach

    (Portland State University)

  • Yitai Liu

    (Portland State University)

  • Amy B. Banta

    (Portland State University)

  • Terry J. Beveridge

    (University of Guelph)

  • Julie D. Kirshtein

    (US Geological Survey)

  • Stefan Schouten

    (Royal Netherlands Institute for Sea Research)

  • Margaret K. Tivey

    (WHOI)

  • Karen L. Von Damm

    (University of New Hampshire)

  • Mary A. Voytek

    (US Geological Survey)

Abstract

Passing the acid test In spite of the extreme environmental conditions, deep-sea hydrothermal vents are home to a multitude of microbial species. But one ingredient was missing: terrestrial hot acid springs are inhabited by acidophiles, but although theory predicts the presence of acidic microhabitats in sulphide deposits at deep-seavents, until now all microbes isolated from these deposits have been neutrophiles, or at best acid tolerant. Now, at last, an extreme thermoacidophilic microbe has been isolated from a hydrothermal vent. It's not a bacterium, but a member of the Archaea DHVE2 (deep-sea hydrothermal vent Euryarchaeota 2) lineage. It grows at pHs between 3.3 and 5.8 and at temperatures of 55–75°C. It constitutes up to 15% of the archaeal population so may be the main player in the iron and sulphurcycles in these environments.

Suggested Citation

  • Anna-Louise Reysenbach & Yitai Liu & Amy B. Banta & Terry J. Beveridge & Julie D. Kirshtein & Stefan Schouten & Margaret K. Tivey & Karen L. Von Damm & Mary A. Voytek, 2006. "A ubiquitous thermoacidophilic archaeon from deep-sea hydrothermal vents," Nature, Nature, vol. 442(7101), pages 444-447, July.
    • Handle: RePEc:nat:nature:v:442:y:2006:i:7101:d:10.1038_nature04921
    DOI: 10.1038/nature04921
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    Cited by:

    1. Hao Leng & Yinzhao Wang & Weishu Zhao & Stefan M. Sievert & Xiang Xiao, 2023. "Identification of a deep-branching thermophilic clade sheds light on early bacterial evolution," Nature Communications, Nature, vol. 14(1), pages 1-14, December.
    2. Jarrod J Scott & John A Breier & George W Luther III & David Emerson, 2015. "Microbial Iron Mats at the Mid-Atlantic Ridge and Evidence that Zetaproteobacteria May Be Restricted to Iron-Oxidizing Marine Systems," PLOS ONE, Public Library of Science, vol. 10(3), pages 1-19, March.

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