Veterinary bacteriology: information about important bacteria
|Etymology:||Genus name: erysipelas thread.|
Species epithet: of the tosils.
|Significance:||[Of minor importance]|
|Type Strain:||T-305 = ATCC 43339 = CCUG 31352.|
|Macromorphology (smell):||Small (1 mm in diameter), transparent and nonpigmented colonies. Gives a norrow zone of α hemolysis on blood agar.|
|Micromorphology:||Rods (0.3 x 1.0-1.5 µm), which appear singly, in pairs (V-shape) or in short chains.|
|Gram +/Gram -:||G+|
|Fermentation of carbohydrates:||
Galactose is also fermented.
|Disease:||Endocarditis (inflamation in the heart valves).
|16S rRNA Seq.:|
||Many serotypes of E. rhusiopathiae have been reclassified to the new species E. tonsillarum. However, these two species are very closely related (see the phylogenetic tree in Fig. 227:1).|
|Comment:||Has been isolated from tonsils of apparently healthy pigs.|
|New names of bacterial phyla|
The taxonomic category phylum was previously not regulated by the International Code of Nomenclature of Prokaryotes (ICNP), but now this has changed and it was decided to revise the names of bacterial phyla. All phyla must be written in italics (which has been done on VetBact also before) and have the ending -ota.Published 2023-03-01. Read more...
|The taxonomy of chlamydias|
Species within the family Chlamydiaceae were previously divided into two genera Chlamydia and Chlamydophila. However, the differences between these two genera were not that great and many research groups have not accepted this division. Therefore, the genus Chlamydophila has been returned to the genus Chlamydia and this change has now been incorporated in VetBactPublished 2023-03-15. Read more...