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Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Yersinia pseudotuberculosis
Categories: Zoonotic; motile
Etymology: Genus name: named after the French bacteriologist A.J.E. Yersin, who in 1894 first isoleted the bacterium which causes the plague.
Species epithet: from false tuberculosis.
Significance:  [Important]   
Taxonomy:
Phylum
Proteobacteria
Class
Gammaproteobacteria
Order
Enterobacteriales
Family
Enterobacteriaceae 
Genus
Yersinia
Type Strain: ATCC 29833 = CCUG 5855 = NCTC 10275
Macromorphology (smell):
Micromorphology: Motile rods with peritrichous flagella
Gram +/Gram -:G-
Metabolism: Facultatively anaerobic
Catalase/Oxidase:+/-
Other Enzymes: Tryptophanase - and urease +
Fermentation of carbohydrates: Glucose(gas) -, Mannitol +, Rhamnose +, Sorbitol + and Sucrose -. Cf. other Yersinia spp.
Spec. Char.:
Disease:Animals: pseudotuberculosis.
Man: Food poisoning
Hosts: Rodents, deer, cattle, sheep, goat, pig, cage birds, man
Clinical Picture: Animals: Tuberculosis-like symptoms. Localized tissue necrosis and granulomas in the spleen, liver, and lymph node.
Man: Abdominal pain and fever.
Virulence Factors: The virulence plasmid common to pathogenic Yersinia species encodes a number of secreted proteins denoted Yops (Yersinia outer proteins). A novel plasmid-encoded virulence determinant of Yersinia pseudotuberculosis, YopK has recently been identified.
Genome Sequence:
Acc-noStrainSize (bp)Genome
NC_006155 IP32953 4 744 671 1c + 2c 
At least 4 strains have been sequnced and 0-2 plasmids have been rapported in these strains.

16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
AF366375 ATCC 29833T 1461 

Taxonomy/phylogeny:
 
Within the genus Yersinia, 20 species have been described. All species belong to the family Enterobacteriaceae.
Updated:2020-10-28

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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