|Category:||Primarily of interest in human medicin|
|Etymology:||Genus name: Named after Howard T. Ricketts, who showed which organism caused Rocky Mountain spotted fever, which resulted in his death|
Species epithet:from Switzerland.
|Significance:||[Of minor importance]|
|Type Strain:||C3 = ATCC VR-1375|
|Macromorphology (smell):||Cannot be cultivated on cell free substrates (for instance agar plates).|
|Micromorphology:||Pleomorphic rods (0.3-0.5 x 0.8-2.0 µm).|
|Gram +/Gram -:|
|Vector:||Tick (Ixodes ricinus).|
|Disease:||Tick borne rickettsiosis
|16S rRNA Seq.:|
||About 30 species have been described within the genus Ricketsia. This genus is relatively closely related to other genera within the orderRickettsialas (Anaplasma, Ehrlichia and Neorickettsia).|
|Comment:||An evolutionary interesting bacterium, because its ancestors invaded cells and formed the mitochondria by endosymbiosis.|
|New names of taxa within the classification category phylum|
During October 2021, an article was published by A. Oren och G.M. Garrity, in which new names are proposed for a number of taxa within the classification category phylum. This has resulted in many discussions in social media about whether it was really necessary to make these changes, which have created confusion among microbiologists and other professionals who come into contact with bacteriology.Published 2022-09-28. Read more...