The MSA will select for organisms such as Staphylococcus species which can live in areas of high salt concentration ... such as Escherichia coli, form bright pinky-red colonies (plate pictured on the ...
The selective ingredients are the bile salts and the dye ... capable of lactose fermentation such as Escherichia coli, form bright pinky-red colonies (plate pictured on the left here). MacConkey agar ...