Well-hidden methanogenesis in deep, organic-rich sediments of Guaymas Basin

DP Bojanova, VY De Anda… - The ISME …, 2023 - academic.oup.com
Abstract Deep marine sediments (> 1mbsf) harbor~ 26% of microbial biomass and are the
largest reservoir of methane on Earth. Yet, the deep subsurface biosphere and controls on …

Metagenomic profiles of archaea and bacteria within thermal and geochemical gradients of the Guaymas Basin deep subsurface

P Mara, D Geller-McGrath, V Edgcomb… - Nature …, 2023 - nature.com
Previous studies of microbial communities in subseafloor sediments reported that microbial
abundance and diversity decrease with sediment depth and age, and microbes dominating …

Evolutionary stasis of a deep subsurface microbial lineage

ED Becraft, MCY Lau Vetter, OKI Bezuidt… - The ISME …, 2021 - academic.oup.com
Abstract Sulfate-reducing bacteria Candidatus Desulforudis audaxviator (CDA) were
originally discovered in deep fracture fluids accessed via South African gold mines and have …

Microbial communities under distinct thermal and geochemical regimes in axial and off-axis sediments of Guaymas Basin

A Teske, G Wegener, JP Chanton, D White… - Frontiers in …, 2021 - frontiersin.org
Cold seeps and hydrothermal vents are seafloor habitats fueled by subsurface energy
sources. Both habitat types coexist in Guaymas Basin in the Gulf of California, providing an …

[HTML][HTML] Data report: the DNA event horizon in the Guaymas Basin subsurface biosphere: technical advances and redefined limits in bulk extractions of nucleic acids …

GA Ramírez, P Mara, D Beaudoin… - Proceedings of the …, 2024 - publications.iodp.org
IODP Publications • Volume 385 expedition research results • Data report: the DNA event
horizon in the Guaymas Basin subsurface biosphere: technical advances and redefined limits …

Characterizing ancient and modern hydrothermal venting systems

B Manton, P Müller, A Mazzini, D Zastrozhnov… - Marine Geology, 2022 - Elsevier
Ancient hydrothermal vent complexes have released large volumes of greenhouse gases in
the past causing global warming, and similar modern vent structures are potential …

The Guaymas Basin–A hot spot for hydrothermal generation and anaerobic microbial degradation of hydrocarbons

A Teske - International Biodeterioration & Biodegradation, 2024 - Elsevier
Guaymas Basin is a young marginal rift basin in the Gulf of California characterized by active
seafloor spreading, rapid deposition of organic-rich sediments, and steep geothermal …

A global comparison of surface and subsurface microbiomes reveals large-scale biodiversity gradients, and a marine-terrestrial divide

SE Ruff, IH de Angelis, M Mullis, JP Payet… - Science …, 2024 - science.org
Subsurface environments are among Earth's largest habitats for microbial life. Yet, until
recently, we lacked adequate data to accurately differentiate between globally distributed …

Thermal selection of microbial communities and preservation of microbial function in Guaymas Basin hydrothermal sediments

L Su, AP Teske, BJ MacGregor, LJ McKay… - Applied and …, 2023 - Am Soc Microbiol
ABSTRACT The Guaymas Basin in the Gulf of California is characterized by active seafloor
spreading, hydrothermal activity, and organic matter accumulation on the seafloor due to …

Expedition 385 summary

A Teske, D Lizarralde, TW Höfig, IW Aiello… - … Basin Tectonics and …, 2021 - hal.science
1. Abstract International Ocean Discovery Program Expedition 385 drilled organic-rich
sediments and intruded sills in the off-axis region and axial graben of the northern spreading …