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Metabolic pathways inferred from a bacterial marker gene illuminate ecological changes across South Pacific frontal boundaries
Raes, E.J.; Karsh, K.; Sow, S.L.S.; Ostrowski, M.; Brown, M.V.; Van de Kamp, J.; Franco-Santos, R.M.; Bodrossy, L.; Waite, A.M. (2021). Metabolic pathways inferred from a bacterial marker gene illuminate ecological changes across South Pacific frontal boundaries. Nature Comm. 12(1): 2213. https://hdl.handle.net/10.1038/s41467-021-22409-4

Additional data:
In: Nature Communications. Nature Publishing Group: London. ISSN 2041-1723; e-ISSN 2041-1723, more
Peer reviewed article  

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Authors  Top 
  • Raes, E.J.
  • Karsh, K.
  • Sow, S.L.S., more
  • Ostrowski, M.
  • Brown, M.V.
  • Van de Kamp, J.
  • Franco-Santos, R.M., more
  • Bodrossy, L.
  • Waite, A.M.

Abstract
    Global oceanographic monitoring initiatives originally measured abiotic essential ocean variables but are currently incorporating biological and metagenomic sampling programs. There is, however, a large knowledge gap on how to infer bacterial functions, the information sought by biogeochemists, ecologists, and modelers, from the bacterial taxonomic information (produced by bacterial marker gene surveys). Here, we provide a correlative understanding of how a bacterial marker gene (16S rRNA) can be used to infer latitudinal trends for metabolic pathways in global monitoring campaigns. From a transect spanning 7000 km in the South Pacific Ocean we infer ten metabolic pathways from 16S rRNA gene sequences and 11 corresponding metagenome samples, which relate to metabolic processes of primary productivity, temperature-regulated thermodynamic effects, coping strategies for nutrient limitation, energy metabolism, and organic matter degradation. This study demonstrates that low-cost, high-throughput bacterial marker gene data, can be used to infer shifts in the metabolic strategies at the community scale.

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