The human gut harbors 100 trillion different microbial organisms. More than 1000 species of bacteria reside in the gastrointestinal tract and the collective genome of intestinal microbes is estimated to contain approximately 100 times more genes than the human genome
The Microbiome comprises of
collective genomes of microbiota inhabiting
us, namely protozoa, archaea, eukaryotes, viruses and predominantly
bacteria that live symbiotically
on and within various sites of the human body.
Role
of Gut Microbiota
The normal gut microbiota imparts specific function in host nutrient metabolism, xenobiotic and drug metabolism, maintenance of structural integrity of the gut mucosal barrier, immunomodulation, and protection against pathogens.
How
it affects:
Affected
by a variety of factors including
gestation stage, birthing and infant feeding method, exposure to stress,
environment, diet, medications, stage of lifecycle, and diseases
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