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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Filifactor villosus
Category: Spore forming
Etymology: Genus name: thread maker.
Species epithet: hairy. rough, shaggy (refers to the colony shape).
Significance:  [Of minor importance]   
Alternative Species Name(s):Clostridium villosum
Taxonomy:
Phylum
Bacillota
Class
Clostridia
Order
Clostridiales
Family
Clostridiaceae 
Genus
Filifactor
Type Strain: VSB 3349 = ATCC 33388 = NCTC 11220
Macromorphology (smell):
 
Slow growing on normal blood agar and hard to remove from the agar
Micromorphology: Rodshaped (0,6 x 4.0-6.0 µm) and can form spores.
Gram +/Gram -:G+ (young cells)
Metabolism: Anaerobic
Catalase/Oxidase:
Spec. Char.:
Disease:
 
HostsDiseaseClinical picture
CatSubcutaneous abscesses and pneumoniaSubcutaneous abscesses and pyothorax often together with other anaerobic bacteria and Pasteurella multocida .
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
AF537211 DSM 1645T 1450  

Taxonomy/phylogeny:
Reference(s): No. 141
Updated:2023-03-08

News

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 VetBact

Published 2023-03-15. Read more...

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