Variant
A variant, Sorbitol-MacConkey agar, (with the addition of additional selective agents) can assist in the isolation and differentiation of enteropathogenic E. coli serotypes such as E. coli O157:H7, by the presence of white circular colonies that are non-sorbitol fermenting.
Read more about this topic: MacConkey Agar
Famous quotes containing the word variant:
““I am willing to die for my country” is a variant of “I am willing to kill for my country.””
—Mason Cooley (b. 1927)