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Bacillus subtilis, known also as the hay bacillus or grass bacillus, is a Gram-positive, catalase-positive bacterium, found in soil and the gastrointestinal tract of ruminants, humans and marine sponges.
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| Bacillus subtilis | |
|---|---|
| Family: | Bacillaceae |
| Genus: | Bacillus |
| Species: | B. subtilis |
| Binomial name | |
- What species does Bacillus belong to?
- Is Bacillus subtilis a bacteria or archaea?
- What are the two main groups of genus Bacillus?
- Is Bacillus subtilis aerobic or anaerobic?
- Where can you find Bacillus subtilis?
- Is Bacillus subtilis prokaryotic or eukaryotic?
- Why is Bacillus subtilis a model organism?
- Is Bacillus prokaryotic or eukaryotic?
- What contains Bacillus subtilis?
- Is Bacillus subtilis beta hemolytic?
- Is Bacillus subtilis sensitive to bacitracin?
- What is the morphology of Bacillus subtilis?
- Do all Bacillus species form endospores?
- What type of hemolysis is Bacillus subtilis?
What species does Bacillus belong to?
Bacillus (Latin "stick") is a genus of Gram-positive, rod-shaped bacteria, a member of the phylum Firmicutes, with 266 named species. The term is also used to describe the shape (rod) of certain bacteria; and the plural Bacilli is the name of the class of bacteria to which this genus belongs.
Is Bacillus subtilis a bacteria or archaea?
Bacillus subtilis is one of the best characterized bacteria and is used as a model organism for Gram-positive bacteria. B. subtilis is a rod-shaped bacterium, which produces endospores that allow the survival of extreme environmental conditions including heat and desiccation.
What are the two main groups of genus Bacillus?
The family Bacillaceae, consisting of rod-shaped bacteria that form endospores, has two principal subdivisions: the anaerobic spore-forming bacteria of the genus Clostridium, and the aerobic or facultatively anaerobic spore-forming bacteria of the genus Bacillus frequently known as ASB (aerobic spore-bearers).
Is Bacillus subtilis aerobic or anaerobic?
subtilis is still generally considered to be an obligate aerobe, several recent studies have proved that this bacterium is in fact a facultative anaerobe, which is capable of both fermentation and anaerobic respiration with either nitrate or nitrite used as the terminal electron acceptor (19, 20).
Where can you find Bacillus subtilis?
subtilis) is a Gram-positive, aerobic bacterium. It is rod-shaped and catalase-positive. B. subtilis is found in soil and the gastrointestinal tract of ruminants and humans.
Is Bacillus subtilis prokaryotic or eukaryotic?
Bacillus subtilis is a gram positive soil bacterium. It is an important model organism of prokaryotic cells as it has biological characteristics different from E. coli, which is a gram-negative enteric bacterium.
Why is Bacillus subtilis a model organism?
Bacillus subtilis is the best studied model organism of the Gram-positive lineage. It is naturally transformable and has an extremely powerful genetic toolbox. ... It is an important industrial organism, being proficient at secreting proteins and making small fine chemicals, as well as acting as a plant growth promoter.
Is Bacillus prokaryotic or eukaryotic?
Bacillus subtilis or B. subtilis are a group of Gram-positive bacterium classified into a domain of prokaryotic microorganisms.
What contains Bacillus subtilis?
subtilis is commonly found in pasteurised milk and dairy products [7]. Moreover, B. subtilis is also used for production of the fermented soybean food natto [8].
Is Bacillus subtilis beta hemolytic?
MACROSCOPIC APPEARANCE. Typical Bacillus spp. exhibit large, flat colonies on non-selective media. They are often beta-hemolytic.
Is Bacillus subtilis sensitive to bacitracin?
2005. BcrC from Bacillus subtilis acts as an undecaprenyl pyrophosphate phosphatase in bacitracin resistance.
What is the morphology of Bacillus subtilis?
Bacillus subtilis morphology describes rod-shaped, Gram-positive bacteria that show up on both positive and negative Gram stain techniques. A bacterial rod is a symmetrical cylinder with rounded ends. A significant difference in pressure across the cytoplasmic membrane pushes the cell wall into a specific shape.
Do all Bacillus species form endospores?
Most types of bacteria cannot change to the endospore form. Examples of bacterial species that can form endospores include Bacillus cereus, Bacillus anthracis, Bacillus thuringiensis, Clostridium botulinum, and Clostridium tetani.
What type of hemolysis is Bacillus subtilis?
Bacillus subtilis is a facultative anaerobic Gram-positive non-pathogenic bacterium that includes members displaying hemolytic activity.
