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Temperature can affect the growth rate and metabolism of Bacillus subtilis. Higher temperatures can promote faster growth and enzyme activity, while extreme temperatures can denature proteins and disrupt cellular processes. Overall, temperature can impact the physiological behavior and survival of B. subtilis.
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What the B subtilis selective media?
Selective media for Bacillus subtilis typically contain antibiotics such as neomycin or polymyxin to inhibit the growth of other bacteria while promoting the growth of B. subtilis. Other components may include specific carbon sources or pH indicators to aid in differentiating B. subtilis colonies from others.
Does B subtilis hydrolyze starch?
Yes, Bacillus subtilis has the capability to hydrolyze starch due to the production of amylase enzymes. Amylases secreted by B. subtilis break down starch into simpler sugars such as maltose and glucose that can be utilized by the bacterium for growth and metabolism.
What shape is B subtilis and why did some of the cells appear to have holes in them?
Bacillus subtilis is a rod-shaped bacterium. The appearance of holes in some B. subtilis cells may be due to the presence of endospores within the cell. Endospores are resistant, dormant structures formed by some bacterial species under unfavorable conditions, and they can sometimes create the appearance of holes in the cell when observed under a microscope.
When was Drosera subtilis created?
Drosera subtilis was created in 1982.
Can B subtilis grow on MSA?
No, Bacillus subtilis cannot grow on Mannitol Salt Agar (MSA) as it cannot ferment mannitol and does not tolerate the high salt concentration in MSA. MSA is selective for Staphylococcus species that can ferment mannitol.
What is effect of streptomycin on b-subtilis?
streptomycin ihibits growth of b. subtilis
What the B subtilis selective media?
Selective media for Bacillus subtilis typically contain antibiotics such as neomycin or polymyxin to inhibit the growth of other bacteria while promoting the growth of B. subtilis. Other components may include specific carbon sources or pH indicators to aid in differentiating B. subtilis colonies from others.
Is b subtilis hemolytic?
gamma/alpha hemolysis
Does B subtilis hydrolyze starch?
Yes, Bacillus subtilis has the capability to hydrolyze starch due to the production of amylase enzymes. Amylases secreted by B. subtilis break down starch into simpler sugars such as maltose and glucose that can be utilized by the bacterium for growth and metabolism.
Is B subtilis a gram positive or gram negative bacterium?
gram positive Exactly. When doing a gram stain on B. subtilis, this bacterium resists decolorization (keping the first stain and NOT taking on the color of the secondary stain). Therefore, this bacterium is gram (+).
What is the difference between B. subtilis and B. megaterium?
Bacillus subtilis and Bacillus megaterium are both Gram-positive, rod-shaped bacteria, but they differ in several key aspects. B. subtilis is commonly used as a model organism in laboratory studies due to its ability to form spores and its genetic tractability, while B. megaterium is known for its larger cell size and ability to produce a variety of enzymes, making it valuable in industrial applications. Additionally, B. subtilis typically has a faster growth rate compared to B. megaterium. Their ecological roles and metabolic capabilities also vary, with B. megaterium being more versatile in degrading complex substrates.
What shape is B subtilis and why did some of the cells appear to have holes in them?
Bacillus subtilis is a rod-shaped bacterium. The appearance of holes in some B. subtilis cells may be due to the presence of endospores within the cell. Endospores are resistant, dormant structures formed by some bacterial species under unfavorable conditions, and they can sometimes create the appearance of holes in the cell when observed under a microscope.
What is the thermal death time for e-coli and b subtilis?
e.coli is 55°C for 60 min
What has the author John B Peters written?
John B. Peters has written: 'Effect of temperature on storage life of seafood' -- subject(s): Seafood, Fishery products, Effect of temperature on, Preservation, Quality control
Is bacillus subtilis positive for glucose fermentation?
Yes it is. Bacillus subtilis produces endospores?
When was Drosera subtilis created?
Drosera subtilis was created in 1982.
When was Vladicaris subtilis created?
Vladicaris subtilis was created in 1995.
