[Retracted] Microbial Ecology of Anaerobic Digesters: The Key Players of Anaerobiosis

Table 1

Microbial cooperation in organic matter degradation [7].

Microorganisms	Electron donor	Electron acceptor	Product	Reaction type
Fermentative bacteria	Organic carbon	Organic carbon	CO2	Fermentation
Syntrophic bacteria	Organic carbon	Organic carbon	H2	Acidogenesis
Acetogenic bacteria	Organic carbon/H2	CO2	CH3COOH	Acetogenesis
Methogenic bacteria	Organic carbon/H2	CO2	CH4	Methanogenesis