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Species/Subspecies: Yersinia pseudotuberculosis
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.:
Hosts: Rodents, deer, cattle, sheep, goat, pig, cage birds, man
Disease:Animals: pseudotuberculosis.
Man: Food poisoning
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:
Yersinia pseudotuberculosis  
Within the genus Yersinia, 20 species have been described. All species belong to the family Enterobacteriaceae.
Updated:2020-09-15

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