|Species/Subspecies:||Legionella pneumophila subsp. pneumophila|
|Categories:||Motile; primarily of interest in human medicin; notifiable diseases and bacteria|
|Etymology:||Genus name: small army.|
Species epithet: lung loving.
Subspecies epithet: see Species epithet.
|Type Strain:||Philadelphia 1 = ATCC 33152 = CCUG 9568 = NCTC 11192.|
||Greyish white mucous colonies (about 3 mm in diameter), which often forms a continuous streak.|
|Micromorphology:||Thin rods (0,3-0,9 x 2 µm), which are motile (most common) by means of a single polar flagellum (the bacteria are monotrichous).|
|Gram +/Gram -:||G-|
|Other Enzymes:||Hippuricase +, urease -|
|Fermentation of carbohydrates:||L. pneumophila does not ferment carbohydrates since it is an obligate aerobic bacterium.|
|Disease:||Legionellosis or Legionaires' disease
|Clinical Picture:||High fever, chills, muscle aches, headaches and diarrhea.|
|Virulence Factors:||L. pneumophila has a type IV secretion system, which can translocate about 50 different effector proteins that are important for intracellular survival of this bacterium.|
|16S rRNA Seq.:|
||About 60 species have been described within genus Legionella, which is related to to genus Coxiella (although not that close).|
|Legislation:||The legionaires' disease is notifyable in Sweden.|
|New families introduced within the order Enterobacterales|
The order Enterobacterales (formerly called Enterobacteriales) previously consisted of bacteria with different properties and phylogenetically, these bacteria were far apart. In order for the taxonomy to be more in line with phylogeny, some of these bacteria have, therefore, been sorted into 6 new families.Published 2022-04-13. Read more...