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gamma/alpha hemolysis
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Is B subtilis gamma hemolytic?
No, Bacillus subtilis is not gamma hemolytic. It is known to be gamma-non-hemolytic, meaning it does not cause the breakdown of red blood cells and does not produce clear zones around colonies on blood agar plates.
What is effect of streptomycin on b-subtilis?
streptomycin ihibits growth of b. subtilis
What is the hemolytic pattern of bacillus subtilis?
Bacillus subtilis is not typically known for causing hemolysis. It is a Gram-positive bacterium that is commonly found in soil and the gastrointestinal tract of humans and other animals. It is generally non-pathogenic and does not exhibit hemolytic activity on blood agar.
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.
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 a effect of temperature on b subtilis?
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.
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
When was Drosera subtilis created?
Drosera subtilis was created in 1982.
When was Vladicaris subtilis created?
Vladicaris subtilis was created in 1995.
When was Brachyglene subtilis created?
Brachyglene subtilis was created in 1874.
