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Physiological and genomic features of highly alkaliphilic hydrogen-utilizing Betaproteobacteria from a continental serpentinizing site

Author

Listed:
  • Shino Suzuki

    (J. Craig Venter Institute)

  • J. Gijs Kuenen

    (University of Southern California
    Delft University of Technology)

  • Kira Schipper

    (J. Craig Venter Institute
    Delft University of Technology)

  • Suzanne van der Velde

    (University of Southern California
    Delft University of Technology)

  • Shun’ichi Ishii

    (J. Craig Venter Institute)

  • Angela Wu

    (J. Craig Venter Institute)

  • Dimitry Y. Sorokin

    (Delft University of Technology
    Winogradsky Institute of Microbiology, RAS)

  • Aaron Tenney

    (J. Craig Venter Institute)

  • XianYing Meng

    (National Institute of Advanced Industrial Science and Technology)

  • Penny L. Morrill

    (Memorial University)

  • Yoichi Kamagata

    (National Institute of Advanced Industrial Science and Technology)

  • Gerard Muyzer

    (Delft University of Technology
    University of Amsterdam)

  • Kenneth H. Nealson

    (J. Craig Venter Institute
    University of Southern California)

Abstract

Serpentinization, or the aqueous alteration of ultramafic rocks, results in challenging environments for life in continental sites due to the combination of extremely high pH, low salinity and lack of obvious electron acceptors and carbon sources. Nevertheless, certain Betaproteobacteria have been frequently observed in such environments. Here we describe physiological and genomic features of three related Betaproteobacterial strains isolated from highly alkaline (pH 11.6) serpentinizing springs at The Cedars, California. All three strains are obligate alkaliphiles with an optimum for growth at pH 11 and are capable of autotrophic growth with hydrogen, calcium carbonate and oxygen. The three strains exhibit differences, however, regarding the utilization of organic carbon and electron acceptors. Their global distribution and physiological, genomic and transcriptomic characteristics indicate that the strains are adapted to the alkaline and calcium-rich environments represented by the terrestrial serpentinizing ecosystems. We propose placing these strains in a new genus ‘Serpentinomonas’.

Suggested Citation

  • Shino Suzuki & J. Gijs Kuenen & Kira Schipper & Suzanne van der Velde & Shun’ichi Ishii & Angela Wu & Dimitry Y. Sorokin & Aaron Tenney & XianYing Meng & Penny L. Morrill & Yoichi Kamagata & Gerard Mu, 2014. "Physiological and genomic features of highly alkaliphilic hydrogen-utilizing Betaproteobacteria from a continental serpentinizing site," Nature Communications, Nature, vol. 5(1), pages 1-12, September.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4900
    DOI: 10.1038/ncomms4900
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    Cited by:

    1. Shino Suzuki & Shun’ichi Ishii & Grayson L. Chadwick & Yugo Tanaka & Atsushi Kouzuma & Kazuya Watanabe & Fumio Inagaki & Mads Albertsen & Per H. Nielsen & Kenneth H. Nealson, 2024. "A non-methanogenic archaeon within the order Methanocellales," Nature Communications, Nature, vol. 15(1), pages 1-14, December.

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