Bacillus subtilis

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Bacillus subtilis
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Bacillus_subtilis_Gram.jpg
Bacillus subtilis


Gram stained Bacillus subtilis
Scientific classification
Kingdom:Bacteria
Phylum:Firmicutes
Class:Bacilli
Order:Bacillales
Family:Bacillaceae
Genus:Bacillus
Species:B. subtilis
Binomial name
Bacillus subtilis

Bacillus subtilis is a Gram-positive, rod-shaped, aerobic bacterium that is commonly found in soil. An important property of Bacillus subtilis is its ability to form a tough, protective endospore, which allows it tolerate extreme environmental conditions.

It is not considered a human pathogen, but can contaminate food and rarely cause food poisoning.

B. subtilis has proven highly amenable to genetic manipulation, and has therefore become widely adopted as a model organism for laboratory studies, especially of sporulation, which is a simplified example of cellular differentiation. In terms of popularity as a laboratory workhorse B. subtilis can be considered the Gram-positive equivalent of E. coli, an extensively studied Gram-negative rod.

Sporulating Bacillus subtilis
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Sporulating Bacillus subtilis
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