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Expansive microbial metabolic versatility and biodiversity in dynamic Guaymas Basin hydrothermal sediments

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  • Nina Dombrowski

    (University of Texas Austin)

  • Andreas P. Teske

    (University of North Carolina at Chapel Hill)

  • Brett J. Baker

    (University of Texas Austin)

Abstract

Microbes in Guaymas Basin (Gulf of California) hydrothermal sediments thrive on hydrocarbons and sulfur and experience steep, fluctuating temperature and chemical gradients. The functional capacities of communities inhabiting this dynamic habitat are largely unknown. Here, we reconstructed 551 genomes from hydrothermally influenced, and nearby cold sediments belonging to 56 phyla (40 uncultured). These genomes comprise 22 unique lineages, including five new candidate phyla. In contrast to findings from cold hydrocarbon seeps, hydrothermal-associated communities are more diverse and archaea dominate over bacteria. Genome-based metabolic inferences provide first insights into the ecological niches of these uncultured microbes, including methane cycling in new Crenarchaeota and alkane utilization in ANME-1. These communities are shaped by a high biodiversity, partitioning among nitrogen and sulfur pathways and redundancy in core carbon-processing pathways. The dynamic sediments select for distinctive microbial communities that stand out by expansive biodiversity, and open up new physiological perspectives into hydrothermal ecosystem function.

Suggested Citation

  • Nina Dombrowski & Andreas P. Teske & Brett J. Baker, 2018. "Expansive microbial metabolic versatility and biodiversity in dynamic Guaymas Basin hydrothermal sediments," Nature Communications, Nature, vol. 9(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07418-0
    DOI: 10.1038/s41467-018-07418-0
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    Cited by:

    1. Paraskevi Mara & David Geller-McGrath & Virginia Edgcomb & David Beaudoin & Yuki Morono & Andreas Teske, 2023. "Metagenomic profiles of archaea and bacteria within thermal and geochemical gradients of the Guaymas Basin deep subsurface," Nature Communications, Nature, vol. 14(1), pages 1-16, December.
    2. Ying-Li Zhou & Paraskevi Mara & Guo-Jie Cui & Virginia P. Edgcomb & Yong Wang, 2022. "Microbiomes in the Challenger Deep slope and bottom-axis sediments," Nature Communications, Nature, vol. 13(1), pages 1-13, December.
    3. Paraskevi N. Polymenakou & Paraskevi Nomikou & Haris Zafeiropoulos & Manolis Mandalakis & Thekla I. Anastasiou & Stephanos Kilias & Nikos C. Kyrpides & Georgios Kotoulas & Antoniοs Magoulas, 2021. "The Santorini Volcanic Complex as a Valuable Source of Enzymes for Bioenergy," Energies, MDPI, vol. 14(5), pages 1-12, March.
    4. Xianzhe Gong & Álvaro Rodríguez Río & Le Xu & Zhiyi Chen & Marguerite V. Langwig & Lei Su & Mingxue Sun & Jaime Huerta-Cepas & Valerie Anda & Brett J. Baker, 2022. "New globally distributed bacterial phyla within the FCB superphylum," Nature Communications, Nature, vol. 13(1), pages 1-12, December.

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