Bacteroides fragilis metabolises exopolysaccharides produced by bifidobacteria
One downside w/ probiotics. “Bacteroides fragilis metabolises exopolysaccharides produced by bifidobacteria” https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4946188/
and fragilis fuels colon cancer https://www.nytimes.com/2018/02/01/health/colon-cancer-bacteria.html?ref=todayspaper
“Patients with familial adenomatous polyposis harbor colonic biofilms containing tumorigenic bacteria” http://science.sciencemag.org/content/359/6375/592
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the same fragilis is antibiotic resistant Antimicrobial resistance in the Bacteroides fragilis group in faecal samples from patients receiving broad-spectrum antibiotics. https://www.ncbi.nlm.nih.gov/pubmed/28445776
the same fragilis may or may not cause symptoms Dientamoeba fragilis colonization is not associated with gastrointestinal symptoms in children at primary care level. https://www.ncbi.nlm.nih.gov/pubmed/27784723
Dientamoeba fragilis: A Family Cluster of Disease Associated With Marked Peripheral Eosinophilia https://academic.oup.com/cid/article/57/6/845/329548
This is one of the best articles highlighting this microbe ( w/ some contrary evidence from northern Europe). “Dientamoeba fragilis, the Neglected Trichomonad of the Human Bowel” https://cmr.asm.org/content/29/3/553