Acetic acid bacteria (AAB) are Gram-negative or Gram-variable,
ellipsoidal or rod-shaped cells that have a strict aerobic metabolism with oxygen as the terminal electron acceptor.1 These microorganisms
have been isolated from a wide variety of substrates, such as fruits,
flowers, food and fermented beverages, such as wine, vinegar, kombucha
tea, and cocoa. Recently, the active search for new species has
led to reorganization of the group, and at present, 13 genera and over
60 species have been described.2
Acetic acid bacteria (AAB) are Gram-negative or Gram-variable,ellipsoidal or rod-shaped cells that have a strict aerobic metabolism with oxygen as the terminal electron acceptor.1 These microorganismshave been isolated from a wide variety of substrates, such as fruits,flowers, food and fermented beverages, such as wine, vinegar, kombuchatea, and cocoa. Recently, the active search for new species hasled to reorganization of the group, and at present, 13 genera and over60 species have been described.2
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