Biofilm Formation by Staphylococcus aureus Isolated from Food Contact Surfaces in the Dairy Industry of Jalisco, Mexico

Table 4

Association between the biofilm phenotype on Congo red agar, slime production, adherence assay, and the presence of icaADBC genes in Staphylococcus aureus.

Bacterial strain	Source	Presence of icaADBC				Adherence state	Biofilm phenotype on CRA	Slime production
		icaA	icaB	icaC	icaD
SA-4E; sec, sed, seg, sej, nuc	FSC-stainless steel	+	+	+	+	Low-grade positive	Black	Figure 1(A)
SA‐9; sec, sed, seh, sej, nuc	FSC-stainless steel	+	+	+	+	Low-grade positive	Black	Figure 1(B)
SA-13; seb, sed, sei, nuc	FSC-stainless steel	+	+	+	+	Highly positive	Black	Figure 1(C)
SA-19; sea, sej, nuc	FSC-stainless steel	+	+	+	+	Low-grade positive	Black	Figure 1(D)

Virulence determinants in the genome of the strains of S. aureus [13].