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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Mycobacterium caprae
Etymology: Genus name: small fungus-like rod.
Species epithet: from goat.
Significance:  [Of minor importance]   
Alternative Species Name(s):Mycobacterium bovis subsp. caprae, Mycobacterium tuberculosis subsp. caprae
Taxonomy:
Phylum
Actinobacteria
Class
Actinobacteria
Order
Corynebacteriales
Family
Mycobacteriaceae 
Genus
Mycobacterium
Type Strain: ATCC BAA-824
Macromorphology (smell):
Micromorphology: Acid-fast rods
Gram +/Gram -:G+ (but difficult to gram stain)
Catalase/Oxidase:
Spec. Char.: M. caprae is a slow grower (it takes more than 7 days to see colonies with the naked eye).
Disease:Has been isolated from lymph nodes and lungs of tuberculous animals.
Hosts: Ruminants, pig and wild boars, deers, camels, bison as well as humans.
Clinical Picture:
Diagnostics:Sequence analysis of the gyrB gene can be used to differentiate M. capri from M. bovis and other members of the M. tuberculosis complex.
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
AJ131120 gM-1 1524  

Taxonomy/phylogeny:
 
About 175 species have been described within genus Mycobacterium and this genus is closely related to Rhodococcus, Nocardia and Corynebacterium. M. tuberculosis, M. bovis and M. caprae are very closely related to each other and have sometimes been regarded as subspecies of M. tuberculosis.

It is common to use the term Mycobacterium tuberculosis complex (MTC or MTBC) or Mycobacterium tuberculosis clade for the following very closely related species: M. africanum, M. bovis, M. canetti, M. caprae and M. tuberculosis and some other species, which are less important.

Updated:2017-01-25

News

The revised taxonomy of the mollicutes

The revised taxonomy of mollicutes (mycoplasmas) has now been introduced on VetBact, which means that many of the species have been given new genus names or moved to another higher taxon. 

Published 2021-11-25. Read more...

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