Prevalence of Adhesion and Regulation of Biofilm-Related Genes in Different Clones of Staphylococcus aureus

Table 2

Slime production and adhesion formation by microtiter tissue culture plate and modified Congo red agar method.

Method	Slime/adhesion formation	MSSA (𝑛=30)	Percentage (%)	MRSA (𝑛=30)	Percentage (%)
Modified Congo; red agar	Very black	8	26.6	7	23.3
	Black	19	63.3	20	66.6
	Weak black	3	10	1	3.3
	Red	0	0	2	6.6
Microtiter tissue culture plate	Highly	6	20	9	30
	Strong	14	46.6	11	36.6
	Moderate	10	33.3	8	26.6
	Weak	0	0	2	6.6
	None	0	0	0	0