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Significance of gene variants for the functional biogeography of the near-surface Atlantic Ocean microbiome

Author

Listed:
  • Leon Dlugosch

    (University of Oldenburg)

  • Anja Poehlein

    (Georg-August University of Göttingen)

  • Bernd Wemheuer

    (Georg-August University of Göttingen)

  • Birgit Pfeiffer

    (Georg-August University of Göttingen)

  • Thomas H. Badewien

    (University of Oldenburg)

  • Rolf Daniel

    (Georg-August University of Göttingen)

  • Meinhard Simon

    (University of Oldenburg
    Helmholtz Institute for Functional Marine Biodiversity at the University of Oldenburg (HIFMB))

Abstract

Microbial communities are major drivers of global elemental cycles in the oceans due to their high abundance and enormous taxonomic and functional diversity. Recent studies assessed microbial taxonomic and functional biogeography in global oceans but microbial functional biogeography remains poorly studied. Here we show that in the near-surface Atlantic and Southern Ocean between 62°S and 47°N microbial communities exhibit distinct taxonomic and functional adaptations to regional environmental conditions. Richness and diversity showed maxima around 40° latitude and intermediate temperatures, especially in functional genes (KEGG-orthologues, KOs) and gene profiles. A cluster analysis yielded three clusters of KOs but five clusters of genes differing in the abundance of genes involved in nutrient and energy acquisition. Gene profiles showed much higher distance-decay rates than KO and taxonomic profiles. Biotic factors were identified as highly influential in explaining the observed patterns in the functional profiles, whereas temperature and biogeographic province mainly explained the observed taxonomic patterns. Our results thus indicate fine-tuned genetic adaptions of microbial communities to regional biotic and environmental conditions in the Atlantic and Southern Ocean.

Suggested Citation

  • Leon Dlugosch & Anja Poehlein & Bernd Wemheuer & Birgit Pfeiffer & Thomas H. Badewien & Rolf Daniel & Meinhard Simon, 2022. "Significance of gene variants for the functional biogeography of the near-surface Atlantic Ocean microbiome," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-28128-8
    DOI: 10.1038/s41467-022-28128-8
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    References listed on IDEAS

    as
    1. Jed A. Fuhrman, 2009. "Microbial community structure and its functional implications," Nature, Nature, vol. 459(7244), pages 193-199, May.
    2. Mark J. Costello & Peter Tsai & Pui Shan Wong & Alan Kwok Lun Cheung & Zeenatul Basher & Chhaya Chaudhary, 2017. "Marine biogeographic realms and species endemicity," Nature Communications, Nature, vol. 8(1), pages 1-10, December.
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