Acetobacter cerevisiaeAcetobacter cerevisiae is a species of Gram negative acetic acid bacteria. Its type strain is LMG 1625T.HistoryThe species was identified in 2002 by DNA-DNA hybridization as a group of related strains previously designated Acetobacter pasteurianus which were closely related to one another but not to other A. pasteurianus strains. These strains were all originally isolated from breweries.