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Lactobacillus is a genus of gram-positive, aerotolerant anaerobes or microaerophilic, rod-shaped, non-spore-forming bacteria. [2] [3] Until 2020, the genus Lactobacillus comprised over 260 phylogenetically, ecologically, and metabolically diverse species; a taxonomic revision of the genus assigned lactobacilli to 25 genera (see § Taxonomy below).
Lactobacillus crispatus is a normal inhabitant of the lower reproductive tract in healthy women. [17] [18] Functionally, like other lactic acid-producing bacteria, it may prevent infections through production of lactic acid, thereby lowering the pH. [19] Condom use was correlated with increased colonization of Lactobacillus crispatus in the ...
Lactocillin is a thiopeptide antibiotic which is encoded for and produced by biosynthetic genes clusters in the bacteria Lactobacillus gasseri. Lactocillin was discovered and purified in 2014. [1] Lactobacillus gasseri is one of the four Lactobacillus bacteria found to be most common in the human vaginal microbiome. [2]
The amount and type of bacteria present have significant implications for an individual's overall health. [2] The primary colonizing bacteria of a healthy individual are of the genus Lactobacillus, [3] such as L. crispatus, and the lactic acid they produce is thought to protect against infection by pathogenic species. [4]
Lactobacillus jensenii is a lactic acid bacteria species in the genus Lactobacillus. It is one of the four main species of Lactobacillus considered to be the major part of the vaginal flora, along with Lactobacillus crispatus, Lactobacillus gasseri, and Lactobacillus iners. [1] [2] L. jensenii is sometimes used in producing fermented foods. [3]
LACTIN-V is a live biopharmaceutical medication containing the vaginally important Lactobacillus crispatus which is under development for the treatment of bacterial vaginosis and recurrent urinary tract infections. [68] [69] [70] It has shown initial effectiveness in considerably reducing recurrence of bacterial vaginosis following antibiotic ...
In Lactobacillus acidophilus, which can be found in the gastrointestinal tract, quorum sensing is important for bacterial interaction when considering biofilm formation and toxin secretion. [14] In L. acidophilus , along with many other bacteria, the luxS -mediated quorum sensing is involved in the regulation of behavior.
A few strains are considered probiotic or "friendly" bacteria in animals [7] and at least one strain has been applied to treat urogenital infections in women. [8] Some strains of lactobacilli formerly mistakenly classified as L. fermentum (such as RC-14) have since been reclassified as Limosilactobacillus reuteri. [9]