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Timing the evolution of antioxidant enzymes in cyanobacteria

Author

Listed:
  • Joanne S. Boden

    (University of Bristol)

  • Kurt O. Konhauser

    (University of Alberta)

  • Leslie J. Robbins

    (Yale University
    University of Regina)

  • Patricia Sánchez-Baracaldo

    (University of Bristol)

Abstract

The ancestors of cyanobacteria generated Earth’s first biogenic molecular oxygen, but how they dealt with oxidative stress remains unconstrained. Here we investigate when superoxide dismutase enzymes (SODs) capable of removing superoxide free radicals evolved and estimate when Cyanobacteria originated. Our Bayesian molecular clocks, calibrated with microfossils, predict that stem Cyanobacteria arose 3300–3600 million years ago. Shortly afterwards, we find phylogenetic evidence that ancestral cyanobacteria used SODs with copper and zinc cofactors (CuZnSOD) during the Archaean. By the Paleoproterozoic, they became genetically capable of using iron, nickel, and manganese as cofactors (FeSOD, NiSOD, and MnSOD respectively). The evolution of NiSOD is particularly intriguing because it corresponds with cyanobacteria’s invasion of the open ocean. Our analyses of metalloenzymes dealing with reactive oxygen species (ROS) now demonstrate that marine geochemical records alone may not predict patterns of metal usage by phototrophs from freshwater and terrestrial habitats.

Suggested Citation

  • Joanne S. Boden & Kurt O. Konhauser & Leslie J. Robbins & Patricia Sánchez-Baracaldo, 2021. "Timing the evolution of antioxidant enzymes in cyanobacteria," Nature Communications, Nature, vol. 12(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24396-y
    DOI: 10.1038/s41467-021-24396-y
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    Cited by:

    1. Liuyang Li & Danyue Huang & Yaoxun Hu & Nicola M. Rudling & Daniel P. Canniffe & Fengping Wang & Yinzhao Wang, 2023. "Globally distributed Myxococcota with photosynthesis gene clusters illuminate the origin and evolution of a potentially chimeric lifestyle," Nature Communications, Nature, vol. 14(1), pages 1-14, December.
    2. Joanne S. Boden & Juntao Zhong & Rika E. Anderson & Eva E. Stüeken, 2024. "Timing the evolution of phosphorus-cycling enzymes through geological time using phylogenomics," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    3. Yuichiro Shimada & Takehiro Suzuki & Takumi Matsubara & Tomomi Kitajima-Ihara & Ryo Nagao & Naoshi Dohmae & Takumi Noguchi, 2022. "Post-translational amino acid conversion in photosystem II as a possible origin of photosynthetic oxygen evolution," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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