Mannitol Salt Agar (MSA) This type of medium is both selective and differential. The MSA will select for organisms such as Staphylococcus species which can live in areas of high salt concentration ...

Staphylococcus aureus bacteria are pathogens to both man and other mammals. ... If the specimen is suspected to be contaminated it is plated on mannitol salt agar containing 7.5% sodium chloride.

The growth of Staphylococcus epidermidis sensu stricto and Staphylococcus saprophyticus on Memphis agar yielded up to 6 morphotypes with each strain. With S. epidermidis, one morphotype produced slime ...

MSA isolates that fermented mannitol were tested for the presence of Staphylococcus aureus (S. aureus) with the coagulase and d-trehalose fermentation test. S. aureus isolates were placed on the ...