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Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Bacillus subtilis subsp. subtilis
Categories: Spore forming; motile
Etymology: Genus name: small rod
Species epithet: slender
Subspecies epithet: slender
Significance:  [Of minor importance]   
Taxonomy:
Phylum
Firmicutes
Class
Bacilli
Order
Bacillales
Family
Bacillaceae 
Genus
Bacillus
Type Strain: NRLL NRS-744 = ATCC 6051= CCUG 163B = NCTC 3610
Macromorphology (smell):
 
Round to irregular colonies (2-4 mm in diameter), which may be wrinkled. The colonies are white to creamy or brownish.
Micromorphology:
 
Motile rod (0.7-0.8 x 2-3 µm) and may form spores.
Gram +/Gram -:
 
G+
Metabolism: Facultatively aerobic
Catalase/Oxidase:+/V
Other Enzymes: Lecithinase -
Biochemical Tests: Citrate +, esculinase +, Voges-Proskauer +
Fermentation of carbohydrates:
D-glucoselactosemaltoseL-rhamnosesucrose
+v+-+
L-arabinosecellobioseD-mannitolsalicintrehalose
+++++
glycerolinulinraffinoseD-sorbitolstarch
+v+++
Other carbohydrates: D-mannose +, D-xylose +.
Spec. Char.: Optimal temperature: 28-30°C. May grow between +5 och +55°C.
Genome Sequence:
Acc-noStrainSize (bp)Genome
NC_000964 168 4 214 000 1c + 1c 

16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
AB042061 1553 10 

Taxonomy/phylogeny:
 
About 250 species have been described within the genus Bacillus. B. subtilis subsp. subtilis is very closely related to the other subspecies, namely Bacillus subtilis subsp. spizizenii, but also to B. licheniformis.
Comment:Spore forming, environmental bacterium that can contaminate food and cultures in the lab
Updated:2021-10-04

News

The revised taxonomy of the mollicutes

The revised taxonomy of mollicutes (mycoplasmas) has now been introduced on VetBact, which means that many of the species have been given new genus names or moved to another higher taxon. 

Published 2021-11-25. Read more...

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