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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
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Species/Subspecies: Porphyromonas levii
Etymology: Genus name: Porphyrin unit (cell).
Species epithet: named after the American-English microbiologist Meir Lev, who first isolated this organism.
Significance:  [Of minor importance]   
Old Species Name(s):Bacteroides levii
Taxonomy:
Phylum
Bacteroidetes
Class
Bacteroidia
Order
Bacteroidales
Family
Porphyromonadacea 
Genus
Phorphyromonas
Type Strain: LEV = ATCC 29147 = CCUG 21027 = CCUG 34320 = NCTC 11028.
Macromorphology (smell): Small, shiny, pigmented and konvex colonies (1-2 mm in diameter).
Micromorphology: Rod shaped (0.5-1 x 2-5 ┬Ám).
Gram +/Gram -:G-
Metabolism: Anaerobic
Catalase/Oxidase:-/?
Other Enzymes: esculinas-, tryptophanase (indole)-
Fermentation of carbohydrates:
D-glucoselactosemaltoseL-rhamnosesucrose
++---
L-arabinosecellobioseD-mannitolsalicintrehalose
--?--
glycerolinulinraffinoseD-sorbitolstarch
??-??
Glucose and lactose are only weakly fermented.
Spec. Char.: P. levii has been isolated from rumen of cattle.
Hosts: Cattle
Disease:Bovine necrotic vulvovaginitis.
Clinical Picture:
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
L16493 ATCC 29147T 1476  

Taxonomy/phylogeny:
Porphyromonas levii  
About 15 species have been described within genus Porphyromonas. Many species, which were earlier affiliated with genus Bacteroides, have now been transfered to genus Porphyromonas or genus Prevotella. These three genera are related and belong to the order Bacteroidales.
Reference(s): No. 144
Updated:2020-05-28

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