Molecular evidence for stimulation of methane oxidation in Amazonian floodplains by ammonia-oxidizing communities.

ABSTRACT: Ammonia oxidation is the rate-limiting first step of nitrification and a key process in the nitrogen cycle that results in the formation of nitrite (NO₂ ^-), which can be further oxidized to nitrate (NO₃ ^-). In the Amazonian floodplains, soils are subjected to extended seasons of flooding during the rainy season, in which they can become anoxic and produce a significant amount of methane (CH₄). Various microorganisms in this anoxic environment can couple the reduction of different ions, such as NO₂ ^- and NO₃ ^-, with the oxidation of CH₄ for energy production and effectively link the carbon and nitrogen cycle. Here, we addressed the composition of ammonium (NH₄ ⁺

SUBMITTER: Monteiro GGTN 

PROVIDER: S-EPMC9376453 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature