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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Mycoplasma hyosynoviae
Etymology: Genus name: fungus shaped.
Species epithet: from joint fluid of pig.
Significance:Worldwide distribution.
  [Important]   
Taxonomy:
Phylum
Tenericutes
Class
Mollicutes
Order
Mycoplasmatales
Family
Mycoplasmataceae 
Genus
Mycoplasma
Type Strain: S16 = ATCC 25591 = NCTC 10167.
Macromorphology (smell): Forms small and very typical umbonated colonies ("fried egg appearance"), which can be observed in a microscope.
Micromorphology: The cells are coccoid to filamentous.
Gram +/Gram -:G-, but is normally not gram stained because the cells will then be fragmented.
Metabolism: Energy source: glucose (pH is decreased).
Catalase/Oxidase:?/-
Other Enzymes: Urease -
Fermentation of carbohydrates: Glucose +
Spec. Char.: Lacks a cell wall. Optimal growth temperature: 37°C.
Disease:Polyarthritis.
Hosts: Pig (age: 10-30 weeks)
Clinical Picture: Polyarthritis (inflammation in several joints simultaneously) caused by M. hyosynoviae is self-limiting and causes transient lameness.
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
U26730 S16T 1499  

Taxonomy/phylogeny:
 
About 125 species have been described within the genus Mycoplasma. M. hyosynoviae belongs to the hominis cluster of the hominis group.
Updated:2016-01-28

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