For Which Bacterial Genus Does Mannitol Salt Agar Differentiate Between

Question

For which bacterial genus does mannitol salt agar differentiate between species?
A)Salmonella
B)Streptococcus
C)Neisseria
D)Staphylococcus
E)Escherichia

Accepted Answer

Mannitol salt agar is a selective and differential medium commonly used for the isolation and identification of Staphylococcus species. It differentiates between species based on their ability to ferment mannitol and produce acid, causing the agar to turn yellow. Staphylococcus aureus, for example, ferments mannitol and turns the agar yellow, whereas other Staphylococcus species do not ferment mannitol and do not change the color of the agar.