Figure 1From: Analysis of S. Epidermidis icaA and icaD genes by polymerase chain reaction and slime production: a case control study Glass-surface slime production by cultures on CRA. A) Black colonies of slime-producing S. epidermidis ATCC 35984. B) Red colonies of the non-slime-producing S. epidermidis ATCC 12228. CRA: Congo Red Agar.Back to article page