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Species/Subspecies: Mycoplasma leachii
Etymology: Genus name: fungus shaped.
Species epithet: named to honour Dr. R. H. Leach, who first characterized this taxon. .
Significance:  [Of minor importance]   
Old Species Name(s):Mycoplasma sp. bovine group 7 of Leach.
Type Strain: PG50 = NCTC 10133.
Macromorphology (smell): Forms small and very typical umbonated colonies ("fried egg appearance), which can be observed in a microscope.
Micromorphology: Very small and pleomorphic. Non-motile.
Gram +/Gram -:G-, but is normally not gram stained because the cells will then be fragmented.
Metabolism: Facultatively anaerobic. Energy source: glucose (pH is decreased).
Spec. Char.:
Hosts: Cattle.
Disease (Swedish):Polyartrit (ledinflammation i flera leder), mastit (ljuverinflammation), kastning (spontan abort) och pneumoni (lunginflammation).
Disease (English):Polyarthritis, mastitis, abortion and pneumonia.
Clinical Picture:
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
U26054 PG50T 1524 

 Mycoplasma leachii
About 125 species have been described within the genus Mycoplasma. M. leachii belongs to the so-called mycoides group. These mycoplasmas are more closely related to mollicutes within the genus Spiroplasma, which are plant pathogens, than with most other members of the genus . See the phylogenetic tree.
Comment:The mollicutes lack a cell wall and have recently been transferred from the phylum Firmicutes to a new phylum, namely Tenericutes.

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Swedish University of Agricultural Sciences