Roseburia intestinalis is a saccharolytic, butyrate-producing bacterium first isolated from human faeces.

It is anaerobic, gram-positive, non-sporeforming, slightly curved rod-shaped and motile by means of multiple subterminal flagella.

L1-82T (= DSM 14610T = NCIMB 13810T) is the type strain.

[1] Mirande, C.; Kadlecikova, E.; Matulova, M.; Capek, P.; Forano, E.; Bernalier-Donadille, A.; Bera-Maillet, C. (August 2010).

"Dietary fibre degradation and fermentation by two xylanolytic bacteria Bacteroides xylanisolvens XB1AT and Roseburia intestinalis XB6B4 from the human intestine".