Canadian Medical Guide > Organisms > Bacteria > Bacteroidetes > Bacteroidaceae > Prevotella Terms and Definitions

Prevotella

Medical Definition:	A genus of gram-negative, anaerobic, nonsporeforming, nonmotile rods. Organisms of this genus had originally been classified as members of the BACTEROIDES genus but overwhelming biochemical and chemical findings in 1990 indicated the need to separate them from other Bacteroides species, and hence, this new genus was established.
Guide Notes:	infection: coord IM with BACTEROIDACEAE INFECTIONS (IM); named for the French microbiologist A. R. Pr�vot, pioneer in anaerobic microbiol
Previously Indexed:	Bacteroides (1990-1994)

Prevotella Categories.

	Prevotella intermedia - A species of gram-negative, anaerobic, rod-shaped bacteria originally classified within the BACTEROIDES genus. This bacterium is a common commensal in the gingival crevice and is often isolated from cases of gingivitis and other purulent lesions related to the mouth.
	Prevotella melaninogenica - A species of gram-negative, anaerobic, rod-shaped bacteria originally classified within the BACTEROIDES genus. This bacterium has been isolated from the mouth, urine, feces, and infections of the mouth, soft tissue, respiratory tract, urogenital tract, and intestinal tract. It is pathogenic, but usually in association with other kinds of organisms.
	Prevotella nigrescens - A species of gram-negative bacteria in the family Prevotellaceae. It is the species most commonly isolated from endodontic infections (PULPITIS).
	Prevotella ruminicola - A saccharolytic species of gram-negative bacteria in the family Prevotellaceae. It ferments a wide range of CARBOHYDRATES in the RUMEN of animals.

Prevotella Medical Definitions and Terms

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