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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Corynebacterium bovis
Category: In the normal flora
Etymology: Genus name: club-shaped bakterium (bacterium means small rod).
Species epithet: of the ox.
Significance:  [Of minor importance]   
Taxonomy:
Phylum
Actinobacteria
Class
Actinobacteria
Order
Corynebacteriales
Family
Corynebacteriaceae 
Genus
Corynebacterium
Type Strain: ATCC 7715 = CCUG 2705 = NCTC 3224.
Macromorphology (smell): White to cream-coloured small colonies (1-2 mm in diameter). Give no hemolysis at blood agar.
Micromorphology: Nonmotile coccoid or club-shaped to pleomorphic (0.3-0.8 x 1-8 µm). Form ramified aggregates, which look like chinese letters).
Gram +/Gram -:G+
Metabolism: Facultatively anaerobic
Catalase/Oxidase:+/-
Other Enzymes: Esculinase -, hippuricase +, urease -.
Fermentation of carbohydrates:
D-glucoselactosemaltoseL-rhamnosesucrose
+v+--
L-arabinosecellobioseD-mannitolsalicintrehalose
v?--v
glycerolinulinraffinoseD-sorbitolstarch
+?-?-
Fructose +, mannose -, xylose -.
Spec. Char.:
Disease:Belongs to th normal flora, but can sometimes cause subclinical mastitis
Hosts: Cattle
Clinical Picture:
Genome Sequence:
Acc-noStrainSize (bp)GenomeRef.
AENJ00000000 DSM 20582T 2 522 962  Nr 136

16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
D38575 ATCC 7715T 1 411  

Taxonomy/phylogeny:
 
176 species and 13 subspecies are described within the genus Corynebacterium. However, not all names have been approved yet and some species have been affiliated to another genus. The genus Corynebacterium is closely related to the genera Mycobacterium, Nocardia, Rhodococcus and Crossiella.
Updated:2020-10-28

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