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Bifidobacterium bifidum is a bacterial species of the genus Bifidobacterium. B. bifidum is one of the most common probiotic bacteria that can be found in the body of mammals , including humans. Structure and characteristics
The sensitivity of members of the genus Bifidobacterium to O 2 generally limits probiotic activity to anaerobic habitats. Recent research has reported that some Bifidobacterium strains exhibit various types of oxic growth. Low concentrations of O 2 and CO 2 can have a stimulatory effect on the growth of these Bifidobacterium strains.
Bifidobacterium longum is a Gram-positive, catalase-negative, rod-shaped bacterium present in the human gastrointestinal tract and one of the 32 species that belong to the genus Bifidobacterium. [ 2 ] [ 3 ] It is a microaerotolerant anaerobe and considered to be one of the earliest colonizers of the gastrointestinal tract of infants. [ 2 ]
Bifidobacterium adolescentis is an anaerobic species of bacteria found in the gastrointestinal tracts of humans and other primates. [1] It is one of the most abundant and prevalent Bifidobacterium species detected in human populations, especially in adults.
Most strains of Lactobacillus and Bifidobacterium are sensitive to room temperature, which raises concerns for storage conditions and maintenance of cell viability. In addition, most Lactobacillus and Bifidobacterium species are sensitive to acidic exposure and have difficulty surviving environments with low pH, such as stomach acid.
Bifidobacterium breve administered in combination with prebiotics or other probiotics and standard therapy has shown some beneficial effect. [5] B. breve is a constituent in the therapeutic, nutritional treatment of IBD. This proprietary, standardized, formulation of live bacteria is used to treat ulcerative colitis and may require a prescription.
Bifidobacterium dentium is a species of bacteria in the genus Bifidobacterium, branched anaerobic bacteria from the Bifidobacteriaceae family. B. dentium is a source of anaerobic infections, and is also tracked in polluted water to trace the source of fecal contamination. Scientists have shown that B. dentium can cause tooth decay in humans.
Bifidobacterium animalis is a gram-positive, anaerobic, rod-shaped bacterium of the Bifidobacterium genus which can be found in the large intestines of most mammals, including humans. Bifidobacterium animalis and Bifidobacterium lactis were previously described as two distinct species.