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Metatranscriptomic evidence for classical and RuBisCO-mediated CO₂ reduction to methane facilitated by direct interspecies electron transfer in a methanogenic system.

ABSTRACT: In a staged anaerobic fluidized-bed ceramic membrane bioreactor, metagenomic and metatranscriptomic analyses were performed to decipher the microbial interactions on the granular activated carbon. Metagenome bins, representing the predominating microbes in the bioreactor: syntrophic propionate-oxidizing bacteria (SPOB), acetoclastic Methanothrix concilii, and exoelectrogenic Geobacter lovleyi, were successfully recovered for the reconstruction and analysis of metabolic pathways involved in the transformation of fatty acids to methane. In particular, SPOB degraded propionate into acetate, which was further converted into methane and CO₂ by M. concilii via the acetoclastic methanogenesis. Concurrently, G. lovleyi oxidized acetate into CO₂, releasing electrons into the e

SUBMITTER: Yang P

PROVIDER: S-EPMC6411985 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature

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Metatranscriptomic evidence for classical and RuBisCO-mediated CO₂ reduction to methane facilitated by direct interspecies electron transfer in a methanogenic system.

OmicsDI is part of the ELIXIR infrastructure

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Dataset Information

Metatranscriptomic evidence for classical and RuBisCO-mediated CO2 reduction to methane facilitated by direct interspecies electron transfer in a methanogenic system.

OmicsDI is part of the ELIXIR infrastructure

Tweets

Metatranscriptomic evidence for classical and RuBisCO-mediated CO₂ reduction to methane facilitated by direct interspecies electron transfer in a methanogenic system.