Bifidobacterium bifidum
RANK: Species
TAXONOMY: Terrabacteria group -> Actinobacteria -> Actinobacteria -> Bifidobacteriales -> Bifidobacteriaceae -> Bifidobacterium -> Bifidobacterium bifidum
OVERVIEW:
This probiotic strain is among the first to colonize in the intestines of babies and continues throughout life to be one of the main groups of good flora found in the large intestine. (It can also be found in the small intestine.) In addition to helping promote bacterial balance, it prevents the growth of unwanted bacteria, molds, and yeasts by naturally adhering to the intestinal mucosa better than other bacterial strains. B. Bifidum assists in the breakdown of complex carbohydrates, fat, and proteins during digestion. It also produces enzymes that break the larger molecules down into smaller components that the body can more efficiently use. A meta-analysis of double blind human trials found that B. bifidum is one of the probiotic strains that can help alleviate occasional diarrhea, especially when traveling. Identified as constituent of vaginal microbiome. [PMID:23282177]
This species has been identified as a resident in the human gastrointestinal tract based on the phylogenetic framework of its small subunit ribosomal RNA gene sequences.[PMC 4262072]
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