FIG. 1.
Growth of thymidine-dependent SCVs with fried-egg appearance and with pinpoint colonies on Columbia blood agar. (A) Fried-egg thymidine-dependent SCVs (left, arrow) in comparison to the isogenic normal S. aureus (right, N). (B) Pinpoint SCVs (left, arrow) in comparison to the isogenic normal S. aureus (right, N). All strains were grown overnight at 37°C.