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The temperature and pH of saliva makes it conducive for bacteria to survive in the oral cavity. Bacteria in the oral cavity include Streptococcus mutans, Porphyromonas gingivalis, and Staphylococcus. [15] S. mutans is the main component of the oral microbiota. [15] A healthy oral microbiome decreases oral infections and promotes a healthy gut ...
Graphic depicting the human skin microbiota, with relative prevalences of various classes of bacteria. The human microbiome is the aggregate of all microbiota that reside on or within human tissues and biofluids along with the corresponding anatomical sites in which they reside, [1] [2] including the gastrointestinal tract, skin, mammary glands, seminal fluid, uterus, ovarian follicles, lung ...
This is a list of bacteria that are significant in medicine. For viruses, see list of viruses A ...
Normally-commensal bacteria can harm the host if they extrude from the intestinal tract. [12] [13] Translocation, which occurs when bacteria leave the gut through its mucosal lining, can occur in a number of different diseases. [13] If the gut is perforated, bacteria invade the interstitium, causing a potentially fatal infection. [5]: 715
Commensalibacter is a genus of Gram-negative, aerobic and rod-shaped bacteria from the family of Acetobacteraceae which was originally isolated from Drosophila melanogaster. [1] [3] The complete genome of the type strain C. intestini A911 T has been sequenced.
Commensalism is a long-term biological interaction in which members of one species gain benefits while those of the other species neither benefit nor are harmed. [1] This is in contrast with mutualism , in which both organisms benefit from each other; amensalism , where one is harmed while the other is unaffected; and parasitism , where one is ...
Bacteria can be transferred from mother to child through direct contact and after birth. [55] As the infant microbiome is established, commensal bacteria quickly populate the gut, prompting a range of immune responses and "programming" the immune system with long-lasting effects. [54]
The word "commensalism" is derived from the word "commensal", meaning "eating at the same table" [193] and all plants and animals are colonised by commensal bacteria. In humans and other animals, millions of them live on the skin, the airways, the gut and other orifices.