Metabolic cross-feeding interactions modulate the dynamic community structure in microbial fuel cell under variable organic loading wastewaters
Fig 7
High H+ concentration supports growth and metabolic cross-feeding of SOB.
A, Relative abundances of microbes including sulfate-reducing bacteria (SRB), methanogens (MET), and sulfide-oxidizing bacteria (SOB), and B, Intercellular cross-feeding and intracellular fluxes of SOB during increasing H+ concentration (). The simulated fluxes were normalized by min-max normalization. Positive (+) and negative (-) normalized fluxes of exchanges indicate metabolite secretion (+) and consumption (-) in SOB.