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Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Ureaplasma diversum
Category: In the normal flora
Etymology: Genus name: urea form.
Species epithet: diverse, which refers to the differens with respect to polypeptide content and G+C content inU. urealyticum.
Significance:  [Important]   
Taxonomy:
Phylum
Tenericutes
Class
Mollicutes
Order
Mycoplasmoidales
Family
Mycoplasmoidaceae 
Genus
Ureaplasma
Type Strain: A417 = ATCC 43321 = NCTC 10182.
Macromorphology (smell): Forms very small colonies (0,100-0,175 mm in diameter), which have to be observed with a microscope.
Micromorphology: Non-motile coccoid cells (about 0.5 µm in diameter).
Gram +/Gram -:
Metabolism: Energy is generated by hydrolysis of urea to CO2 and NH3.
Catalase/Oxidase:?/-
Other Enzymes: Urease +
Fermentation of carbohydrates: Glocose -
Spec. Char.: Lacks a cell wall. A pH of 6.0-6.5 is required for growth.
Disease:Has been associated with bovine vulvitis, endometritis, salpingitis, spontaneous abortion and infertility.
Hosts: Cattle
Clinical Picture: Clear discharge, which later becomes milk-like and turbid.
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
D78650 A417T 1478  

Taxonomy/phylogeny:
 
About 10 species have been described within the genus Ureaplasma. See the phylogenetic tree (Fig. 209:1), but note that M can mean Mycoplasma, Mesomycoplasma, Metamycoplasma, Mycoplasmoides or Mycoplasmopsis in the tree.
Comment:Belongs to the normal flora, but may cause opportunistic infections.

Based on whole genome sequencing, the taxonomy of mycoplasmas has recently undergone a comprehensive revision. The new taxonomy is about to be introduced in VetBact, but it will still be possible to search for the alternative species names. Read more about the revised taxonomy of the mollicutes under the Term list of VetBact and see also reference 164 below.

Reference(s): No. 164
Updated:2021-11-25

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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