Microbial Ecology of Methanotrophy in Streams Along a Gradient of CH4 Availability.
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ABSTRACT: Despite the recognition of streams and rivers as sources of methane (CH4) to the atmosphere, the role of CH4 oxidation (MOX) in these ecosystems remains poorly understood to date. Here, we measured the kinetics of MOX in stream sediments of 14 sites to resolve the ecophysiology of CH4 oxidizing bacteria (MOB) communities. The streams cover a gradient of land cover and associated physicochemical parameter and differed in stream- and porewater CH4 concentrations. Michealis-Menten kinetic parameter of MOX, maximum reaction velocity (V max ), and CH4 concentration at half V max (K S ) increased with CH4 supply. K S values in the m
SUBMITTER: Bagnoud A
PROVIDER: S-EPMC7241049 | biostudies-literature | 2020
REPOSITORIES: biostudies-literature
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