Homoacetogenic Bacteria cO2 cHo-mHF→ CH:THFS-CH3 Formyl ATP THE、 Ni -Ni-CH3 -Ni co dehydrogenas CoA N Mechanism of motive force autotrophy in homoacetogenic ATP sulfate-reducing and methanogenic CH 3 C-o SCOA bacteria Acetate ATP Acetyl-COA Net: 4 H2+2 CO2- Acetate+2 H2O+H Reactions of the Acetyl-CoA PathwayHomoacetogenic Bacteria Mechanism of autotrophy in homoacetogenic, sulfate-reducing and methanogenic bacteria Reactions of the Acetyl-CoA Pathway