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Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Paeniclostridium sordellii
Categories: Causes hemolysis; spore forming; motile
Etymology: Genus name: almost a Clostridium spp.
Species epithet: named after the Argentinian bacteriologist professor Sordelli.
Significance:  [Of minor importance]   
Old Species Name(s):Clostridium sordellii
Taxonomy:
Phylum
Firmicutes
Class
Clostridia
Order
Clostridiales
Family
Clostridiaceae 
Genus
Paeniclostridium
Type Strain: ATCC 9714 = CCUG 9284.
Macromorphology (smell):
 
Form small colonies (1-4 mm in diameter), which may spread on th plate to a continuous film (the bacteria "swarm").
Micromorphology: Large motile peritrichous rods (0.5-1.7 x 1.6-20.6 µm) with flagella. Produce oval, central or subterminal spores. Most strains are β-hemolytic on rabbit blood agar.
Gram +/Gram -:G+
Metabolism: Anaerobic
Catalase/Oxidase:-/-
Other Enzymes: Esculinase (-), lecithinase +, tryptophanase +.
Fermentation of carbohydrates:
D-glucoselactosemaltoseL-rhamnosesucrose
?-(+)+w
L-arabinosecellobioseD-mannitolsalicintrehalose
--www
glycerolinulinraffinoseD-sorbitolstarch
?-+--
Other carbohydrates: Fructose v, galactose -, mannose v, ribose v, xylose -.
Spec. Char.:
Disease:Myositis
Hosts: Cattle, sheep, horse
Clinical Picture:
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
AB075771 ATCC 9714T 1 461  

Taxonomy/phylogeny:
 
Only two differens species have been descibed within the genus Paeniclostridium. P. sordellii is closely related toP. ghonii, for which the genus affiliation alse has been changed. Paeniclostridium is, as the namy implies, closely related to the genus Clostridium.
Please note that the name of the bacterium in the tree (Fig. 31:2) is still Clostridium sordellii.
Reference(s): No. 33, 132
Link: Clostridia.net
Updated:2021-10-07

News

"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...

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