A group of bacteria that uses oxygen to convert wine to vinegar (turning ethanol into acetic acid) through an aerobic fermentation.

Bacterium. See Bacteria. See our facts section of this site.

Acetobacter is a genus of acetic acid bacteria characterized by the ability to convert alcohol (ethanol) to acetic acid in the presence of air. There are several species within this genus, and there are other bacteria capable of forming acetic acid under various conditions; but all of the Acetobacter are known by this characteristic ability.