A third autotrophic pathway (Wood–Ljungdahl pathway) uses a reductive acetyl-CoA pathway and is only found in strictly anaerobic bacteria and archaea. A fourth pathway uses the 3 ...

It works at an enzymatic, cellular level." Kim has found that the ob gene causes the muscle cells to produce leptin and suppresses a gene that produces an enzyme known as acetyl-CoA carboxylase, or ...