Molecular Hydrogen, a Neglected Key Driver of Soil Biogeochemical Processes
Author(s) -
Sarah PichéChoquette,
Philippe Constant
Publication year - 2019
Publication title -
applied and environmental microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.552
H-Index - 324
eISSN - 1070-6291
pISSN - 0099-2240
DOI - 10.1128/aem.02418-18
Subject(s) - biogeochemical cycle , key (lock) , environmental science , astrobiology , hydrogen , environmental chemistry , chemistry , biochemical engineering , computer science , earth science , biology , ecology , engineering , geology , organic chemistry
The atmosphere of the early Earth is hypothesized to have been rich in reducing gases such as hydrogen (H2 ). H2 has been proposed as the first electron donor leading to ATP synthesis due to its ubiquity throughout the biosphere as well as its ability to easily diffuse through microbial cells and its low activation energy requirement.
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