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

Journal Article · · Nature Communications

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.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); USDOE Joint Genome Institute (JGI), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC); Sloan Foundation; National Science Foundation (NSF)
Grant/Contract Number:
AC02-05CH11231; 1753661; OCE-0647633; OCE-1357238
OSTI ID:
1624126
Journal Information:
Nature Communications, Vol. 9, Issue 1; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 131 works
Citation information provided by
Web of Science

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Cited By (18)

Characteristics and Evolution of sill-driven off-axis hydrothermalism in Guaymas Basin – the Ringvent site journal September 2019
Diverse anaerobic methane‐ and multi‐carbon alkane‐metabolizing archaea coexist and show activity in Guaymas Basin hydrothermal sediment journal March 2019
Metabolic potential of uncultured bacteria and archaea associated with petroleum seepage in deep-sea sediments journal April 2019
Asgard archaea capable of anaerobic hydrocarbon cycling journal April 2019
Metagenomic views of microbial dynamics influenced by hydrocarbon seepage in sediments of the Gulf of Mexico journal April 2020
Metabolic activity analyses demonstrate that Lokiarchaeon exhibits homoacetogenesis in sulfidic marine sediments journal December 2019
Methane oxidation in anoxic lake water stimulated by nitrate and sulfate addition journal December 2019
Asgard archaea: Diversity, function, and evolutionary implications in a range of microbiomes journal January 2019
Discovered by genomics: putative reductive dehalogenases with N-terminus transmembrane helixes journal April 2019
Illuminating microbial species‐specific effects on organic matter remineralization in marine sediments journal December 2019
Asgard archaeon rises from the mud journal January 2020
A diverse uncultivated microbial community is responsible for organic matter degradation in the Black Sea sulphidic zone journal January 2020
Tailoring Hydrothermal Vent Biodiversity Toward Improved Biodiscovery Using a Novel in situ Enrichment Strategy journal February 2020
10 Years of Extreme Microbiology: An Interim Reflection and Future Prospects journal February 2020
Characteristics and Evolution of sill-driven off-axis hydrothermalism in Guaymas Basin – the Ringvent site text January 2019
Isolation of an archaeon at the prokaryote–eukaryote interface journal January 2020
Microbial succession during the transition from active to inactive stages of deep-sea hydrothermal vent sulfide chimneys journal June 2020
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Figures / Tables (6)