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In my result i isolate bacillus sp on mannitol salt agar but i expect that this media has deoration or expaired
yes It can, because MSA grows gram positive bacteria.
yes
Mannitol salt agar or MSA is a commonly used growth medium in microbiology. It contains a high concentration (~7.5%-10%) of salt (NaCl), making it selective for Staphylococci (and Micrococcaceae) since this level of NaCl is inhibitory to most other bacteria.
yes it will ferment the mannitol and cause yellow color change.
In my result i isolate bacillus sp on mannitol salt agar but i expect that this media has deoration or expaired
yes It can, because MSA grows gram positive bacteria.
yes
MSA stands for mannitol salt agar. Streptococcus can not grow on this type of agar. This is because it has a very high salt content, which allows only certain microorganisms to grow in it.
the bacteria dont ferment in MSA, there is no growth on the plat
Yes micrococcus luteus, along with micrococcus roseus both grow on MSA. But, they do not fermente on this agar giving a negative test. However, Staphylococcus aureus grows on MSA and fermentes giving a positive test. *Side note* MSA plate is used to test for G+ coccus. The plate contains salt and salt "loving" bacteria will grow and show yellow colony, example of S. aureus.
Mannitol salt agar or MSA is a commonly used growth medium in microbiology. It contains a high concentration (~7.5%-10%) of salt (NaCl), making it selective for Staphylococci (and Micrococcaceae) since this level of NaCl is inhibitory to most other bacteria.
yes it will ferment the mannitol and cause yellow color change.
yesTypically, MSA is used to isolate and differentiate various staphylcocci, some of which are pathogenic, like S. aureus, or non pathogenic like S. epidermidis. Staph are the only kind of bacteria that will grow on MSA. S. aureus is the only staph that ferments manitol. Meaning, MSA can be used to isolate pathogenic from non-pathogenic staph.source: biology major
No, K. pneumoniae will not grow on Mannitol Salt Agar- gram negative organisms cannot grow on MSA, and K. pneumoniae is gram negative.
Yes. M. smegmatis is a gram + bacteria, and MSA plates select for gram + bacteria.
it could have been contaminated.