|Categories:||Motile; primarily of interest in human medicin|
|Etymology:||Genus name: fungus shaped.|
Species epithet: of pneumonia.
|Type Strain:||FH = ATCC 15531 = NCTC 10119.|
|Macromorphology (smell):||Forms small and very typical umbonated colonies ("fried egg appearance"), which can be observed in a microscope.|
|Micromorphology:||Very small and flask shaped or pleomorphic. This bacterium is motile and can glide on surfaces.|
|Gram +/Gram -:||G-, but is normally not gram stained because the cells will then be fragmented.|
|Metabolism:||Striktly aerobic (cf. other mycoplasmas). Energy source: glucose (pH is increased).|
|Spec. Char.:||Lacks a cell wall. Optimal growth temperature: 37°C.|
|Clinical Picture:||Mild to severe with fever and prolonged dry coughing|
|16S rRNA Seq.:|
||About 125 species have been described within the genus Mycoplasma. M. pneumoniae is rather closely related to M. gallisepticum and these mycoplasmas (the M. pneumoniae cluster) are together with the Ureaplasma cluster and the the hemotropic mycoplasmas included in the phylogenetic pneumoniae group. See phylogenetic tree (Fig. 39:1).|
|Comment:||Mycoplasmas are naturally resistant to penicillin (and other beta-lactams). Note that the mycoplasmas have recently been transferred to a new phylum, Tenericutes.|
|"Dear child has many names" (call it what you will...)|
For a long time, Rhodococcus hoagii was referred to Rhodococcus equi on VetBact, because we experienced some resistance to the name that is now considered to be the correct one, i.e. Rhodococcus hoagii. Now you can find the bacterium in question under the correct name in VetBact, but you can also find the bacterium when searching for the old name.Published 2021-10-10. Read more...