Gram stain: positive Cell shape: bacillus Arrangement: single Oxygen requirements: Motility: Other: organism breaks down glycogen to produce lactic acid; used in the manufacture of cheese and pickles; non-spore-forming; catalase negative.
Habitat: Human mouth, intestinal tract and vagina (normal pH of 3.5)
Pathogenicity: Non pathogenic with the exception of dental caries
Lactobacillus acidophilus
