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Health Summary. These particular microbes are most often linked to vaginal health, with Lactobacillus species playing a central role in maintaining a balanced and healthy vaginal environment. In contrast, bacteria formerly classified as Gardnerella vaginalis - now recognized as Bifidobacterium vaginale based on updated genome taxonomy - are more frequently associated with unhealthy conditions, such as infections and recurrent disease. This taxonomic revision places B. vaginale squarely within the Bifidobacterium genus and has identified twelve distinct species within this group, reflecting a more nuanced understanding of the vaginal microbiome.
Canonical Designation | GTDB Designation (R220) | Branchpoint Reference Strain |
Lactobacillus crispatus | Lactobacillus crispatus | DSM 20584 |
Lactobacillus gasseri | Lactobacillus gasseri | DSM 20243 |
Lactobacillus iners | Lactobacillus iners | DSM 13335 |
Lactobacillus jensenii | Lactobacillus jensenii | DSM 20557 |
Gardnerella vaginalis | Bifidobacterium vaginale | DSM 4944 |
Bifidobacterium vaginale_A | Bifidobacterium vaginale_A | n/a |
Bifidobacterium vaginale_B | Bifidobacterium vaginale_B | n/a |
Bifidobacterium vaginale_C | Bifidobacterium vaginale_C | n/a |
Bifidobacterium vaginale_D | Bifidobacterium vaginale_D | n/a |
Bifidobacterium vaginale_E | Bifidobacterium vaginale_E | n/a |
Bifidobacterium vaginale_F | Bifidobacterium vaginale_F | n/a |
Bifidobacterium vaginale_G | Bifidobacterium leopoldii | n/a |
Bifidobacterium vaginale_G | Bifidobacterium swidsinskii | n/a |
Bifidobacterium vaginale_H | Bifidobacterium vaginale_H | n/a |
n/a | Bifidobacterium vaginale_I | n/a |
Bifidobacterium sp002884815 | Bifidobacterium piotii | n/a |