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Porphyromonas levii
Definition 1
A species of obligately anaerobic, Gram-negative, rod shaped bacteria assigned to the phylum Bacteroidetes. This species is nonmotile, non-spore forming, indole, catalase, lipase, and lecithinase negative, pigmented, produces acid from glucose and lactose, but not sucrose, esculin, cellobiose or ribose, digests gelatin, casein, milk and meat, but does not reduce nitrate or hydrolyze starch, esculin or hippurate. P. levii has been isolated from the bovine rumen and summer mastitis, as well as cattle horn abscess, and is pathogenic to humans. (NCI Thesaurus)
Definition 2
Any bacterial organism that can be assigned to the species Porphyromonas levii. (NCI Thesaurus/CDISC)
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A genus of anaerobic, Gram negative, rod shaped bacterium assigned to the phylum Bacteroidetes and the family Porphyromonadaceae.
A taxonomic family of bacterium in the phylum Bacteroidetes that includes the genera Porphyromonas, Parabacteroides and Tannerella, among others.