VetBact
VetBact logo

VetBact

Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Peptoniphilus indolicus
Category: Causes hemolysis
Etymology: Genus name: peptone loving.
Species epithet: indol producing.
Significance:  [Of minor importance]   
Old Species Name(s):Peptostreptococcus indolicus
Taxonomy:
Phylum
Firmicutes
Class
Clostridia
Order
Clostridiales
Family
Peptostreptococcaceae 
Genus
Peptoniphilus
Type Strain: ATCC 29427.
Macromorphology (smell):
 
Small (0.5-1.0 mm), grayish colonies. Most strains give no hemolysis.
Micromorphology: Cocci (0.5-0.6 µm in diameter), which appear single, in pairs, short chains or small clusters.
Gram +/Gram -:G+
Metabolism: Obligately anaerobic
Catalase/Oxidase:-/-
Other Enzymes: Coagulase + (most strains), tryptophanase (+), urease -.
Fermentation of carbohydrates: Peptoniphilus spp. do not ferment carbohydrates.
Spec. Char.:
Disease:Bovine summer mastitis (in combination with Trueperella pyogenes).
HostsDiseaseClinical picture
CattleMastitisSummer mastitis often in combination with Trueperella pyogenes
CalfArhtritisOften polyarthritis with infection in multiple joints
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
D14147 (T) 1372  

Taxonomy/phylogeny:
 
About 50 species have been described within the genus Peptoniphilus and this genus belong to the order Clostridiales. However, P. indolicus is not that closely related to clostridia.
Updated:2021-06-14

Recently Updated

Recent blog posts


Swedish University of Agricultural Sciences