Electron acceptors for respiration and methanogenesis in prokaryotes

Electron acceptor Reduced end product Process Organism
O2 H2O aerobic respiration Escherichia, Streptomyces
NO3 NO2, NH3 or N2 denitrification Bacillus, Pseudomonas
SO4 S or H2S sulfate reduction Desulfovibrio
fumarate succinate anaerobic respiration

using an e- acceptor

Escherichia
CO2 CH4 methanogenesis Methanococcus

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