Figure 1. Promoter activity analyses of genes on the pYV plasmid in YPIII.

(A) The promoter activities of 99 non-coding fragments at 26°C, 37°C or 37°C with Ca²⁺ depletion. Fragments with relative promoter activities higher than the pZT100 plasmid (202±12, p<0.01) at one of these conditions were marked with red dot. (B) & (C) Relative promoter activities of selected fragments in YPIII and ΔpYV strains at 26°C and 37°C (B) or at 37°C with Ca²⁺ depletion versus at 37°C (C).