Select Page

Lactobacillus gasseri is a species in the genus Lactobacillus. It is part of the vaginal flora.[1] Its genome has been sequenced.[2] L. gasseri is a normal inhabitant of the lower reproductive tract in healthy women(1,2).

L. gasseri produces  a antibacterial agent knowns as gassericin A (3).




  1. Lauer, Eckhard, and Otto Kandler. ” Lactobacillus gasseri sp. nov., a new species of the subgenus Thermobacterium.” Zentralblatt für Bakteriologie: I. Abt. Originale C: Allgemeine, angewandte und ökologische Mikrobiologie 1.1 (1980): 75-78.
  2. Nardis, C.; Mastromarino, P.; Mosca, L. (September 2013). “Vaginal microbiota and viral sexually transmitted diseases”. Annali di Igiene. 25 (5): 443–56. doi:10.7416/ai.2013.1946. PMID 24048183.
  3. Pandey N, Malik RK, Kaushik JK, Singroha G (2013). “Gassericin A: a circular bacteriocin produced by lactic acid bacteria Lactobacillus gasseri”. World Journal of Microbiology & Biotechnology. 29 (11): 1977–87. doi:10.1007/s11274-013-1368-3. PMID 23712477. Retrieved 2015-01-19.