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A healthy oral microbiome decreases oral infections and promotes a healthy gut microbiome. However, when disturbed, it can lead to gum inflammations and bad breath. [16] Dental plaque is formed when oral microorganisms form biofilms on the surfaces of teeth.
Gut microbiota, gut microbiome, or gut flora are the microorganisms, including bacteria, archaea, fungi, and viruses, that live in the digestive tracts of animals. [ 1 ] [ 2 ] The gastrointestinal metagenome is the aggregate of all the genomes of the gut microbiota .
Bacteroides thetaiotaomicron is a common bacterium in the human gut microbiome that has evolved alongside humans to support digestion and general health. Over time, this bacterium developed the ability to break down complex carbohydrates into simple sugars, which helps the host species get more energy from the food it eats.
An enterotype is a classification of living organisms based on the bacteriological composition of their gut microbiota. The discovery of three human enterotypes was announced in the April 2011 issue of Nature by Peer Bork and his associates. [1] They found that enterotypes are not dictated by age, gender, body weight, or national divisions. [2]
Changes in the gut microbiome may be a tell-tale sign of the onset of rheumatoid arthritis. Image credit: Instants/Getty Images. This article originally appeared on Medical News Today
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 ...
"Microbiome is a term that describes the genome of all the microorganisms, symbiotic and pathogenic, living in and on all vertebrates. The gut microbiome consists of the collective genome of microbes inhabiting the gut including bacteria, archaea, viruses, and fungi". [70]
Microorganism gut colonization is dynamic from birth to death, with stabilization at the first few years of life, to higher diversity in adults, to reduced diversity in the elderly. [10] The gut microbiome conducts processes like nutrient synthesis, chemical metabolism , and the formation of the gut barrier. [ 10 ]