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Tectonically-driven oxidant production in the hot biosphere

Author

Listed:
  • Jordan Stone

    (Newcastle University)

  • John O. Edgar

    (Newcastle University)

  • Jamie A. Gould

    (Newcastle University)

  • Jon Telling

    (Newcastle University)

Abstract

Genomic reconstructions of the common ancestor to all life have identified genes involved in H2O2 and O2 cycling. Commonly dismissed as an artefact of lateral gene transfer after oxygenic photosynthesis evolved, an alternative is a geological source of H2O2 and O2 on the early Earth. Here, we show that under oxygen-free conditions high concentrations of H2O2 can be released from defects on crushed silicate rocks when water is added and heated to temperatures close to boiling point, but little is released at temperatures

Suggested Citation

  • Jordan Stone & John O. Edgar & Jamie A. Gould & Jon Telling, 2022. "Tectonically-driven oxidant production in the hot biosphere," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-32129-y
    DOI: 10.1038/s41467-022-32129-y
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    References listed on IDEAS

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    1. Gerard Deckert & Patrick V. Warren & Terry Gaasterland & William G. Young & Anna L. Lenox & David E. Graham & Ross Overbeek & Marjory A. Snead & Martin Keller & Monette Aujay & Robert Huber & Robert A, 1998. "The complete genome of the hyperthermophilic bacterium Aquifex aeolicus," Nature, Nature, vol. 392(6674), pages 353-358, March.
    2. Greg Springsteen & Jayasudhan Reddy Yerabolu & Julia Nelson & Chandler Joel Rhea & Ramanarayanan Krishnamurthy, 2018. "Linked cycles of oxidative decarboxylation of glyoxylate as protometabolic analogs of the citric acid cycle," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
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