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A decrease of the butyrate-producing species <i>Roseburia hominis</i> and <i>Faecalibacterium prausnitzii</i> defines dysbiosis in patients with ulcerative colitis

Gut · 2013 · Vol. 63(8) · pp. 1275–1283
Kathleen MachielsMarie JoossensJoão SabinoVicky De PreterIngrid ArijsVenessa EeckhautVera BalletKarolien ClaesFilip Van ImmerseelKristin VerbekeMarc FerranteJan VerhaegenPaul RutgeertsSéverine Vermeire

Abstract

The composition of the fecal microbiota of UC patients differs from that of healthy individuals: we found a reduction in R hominis and F prausnitzii, both well-known butyrate-producing bacteria of the Firmicutes phylum. These results underscore the importance of dysbiosis in IBD but suggest that different bacterial species contribute to the pathogenesis of UC and CD.

Gut microbiota and healthInflammatory Bowel DiseaseClostridium difficile and Clostridium perfringens researchFaecalibacterium prausnitziiDysbiosisRoseburiaUlcerative colitisButyrateFirmicutesMicrobiologyBiologyInflammatory bowel diseaseEubacterium

MeSH terms

AdultColitis, UlcerativeFecesFemaleHumansMaleMiddle AgedPropionatesSeverity of Illness IndexCase-Control StudiesGram-Negative Anaerobic Straight, Curved, and Helical RodsLactic AcidButyric AcidBacterial LoadDenaturing Gradient Gel Electrophoresis
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