Fig. 3From: Comprehensive probiogenomics analysis of the commensal Escherichia coli CEC15 as a potential probiotic strainHemolytic activity assay of E. coli strains. Strains Staphylococcus aureus IT2 (1), S. aureus Bk (2), CEC15 (3), and EcN (4) were spotted on sheep-blood agar and incubated overnight, the presence of a halo was observed for the two control strains (1 and 2) but not for the tested strains in this study (3 and 4)Back to article page