Subsurface microbial hydrogen cycling: Natural occurrence and implications for industry

SP Gregory, MJ Barnett, LP Field, AE Milodowski - Microorganisms, 2019 - mdpi.com
Hydrogen is a key energy source for subsurface microbial processes, particularly in
subsurface environments with limited alternative electron donors, and environments that are …

Río Tinto: a geochemical and mineralogical terrestrial analogue of Mars

R Amils, D Fernández-Remolar, Ipbsl Team - Life, 2014 - mdpi.com
The geomicrobiological characterization of the water column and sediments of Río Tinto
(Huelva, Southwestern Spain) have proven the importance of the iron and the sulfur cycles …

Viable cyanobacteria in the deep continental subsurface

F Puente-Sánchez, A Arce-Rodríguez… - Proceedings of the …, 2018 - National Acad Sciences
Cyanobacteria are ecologically versatile microorganisms inhabiting most environments,
ranging from marine systems to arid deserts. Although they possess several pathways for …

Coupled C, H, N, S and Fe biogeochemical cycles operating in the continental deep subsurface of the Iberian Pyrite Belt

R Amils, C Escudero, M Oggerin… - Environmental …, 2023 - Wiley Online Library
Microbial activity is a major contributor to the biogeochemical cycles that make up the life
support system of planet Earth. A 613 m deep geomicrobiological perforation and a …

A Model of Aerobic and Anaerobic Metabolism of Hydrogen in the Extremophile Acidithiobacillus ferrooxidans

J Kucera, J Lochman, P Bouchal, E Pakostova… - Frontiers in …, 2020 - frontiersin.org
Hydrogen can serve as an electron donor for chemolithotrophic acidophiles, especially in
the deep terrestrial subsurface and geothermal ecosystems. Nevertheless, the current …

Microarray strategies for exploring bacterial surface glycans and their interactions with glycan-binding proteins

MA Campanero-Rhodes, AS Palma… - Frontiers in …, 2020 - frontiersin.org
Bacterial surfaces are decorated with distinct carbohydrate structures that may substantially
differ among species and strains. These structures can be recognized by a variety of glycan …

Nucleation of Fe-rich phosphates and carbonates on microbial cells and exopolymeric substances

M Sanchez-Roman, F Puente-Sanchez… - Frontiers in …, 2015 - frontiersin.org
Although phosphate and carbonate are important constituents in ancient and modern
environments, it is not yet clear their biogeochemical relationships and their mechanisms of …

The deep-subsurface sulfate reducer Desulfotomaculum kuznetsovii employs two methanol-degrading pathways

DZ Sousa, M Visser, AH Van Gelder, S Boeren… - Nature …, 2018 - nature.com
Methanol is generally metabolized through a pathway initiated by a cobalamine-containing
methanol methyltransferase by anaerobic methylotrophs (such as methanogens and …

The deep continental subsurface: the dark biosphere

C Escudero, M Oggerin, R Amils - International Microbiology, 2018 - Springer
Although information from devoted geomicrobiological drilling studies is limited, it is clear
that the results obtained so far call for a systematic exploration of the deep continental …

Biological production of H2, CH4 and CO2 in the deep subsurface of the Iberian Pyrite Belt

JL Sanz, N Rodriguez, C Escudero… - Environmental …, 2021 - Wiley Online Library
Most of the terrestrial deep subsurfaces are oligotrophic environments in which some gases,
mainly H2, CH4 and CO2, play an important role as energy and/or carbon sources. In this …