FIG. 1.

Promoter deletion analyses of basal transcription. C. albicans strains containing the indicated luciferase deletion constructs were grown to mid-log-phase growth (optimal density of 1) (squares) and postdiauxic growth (48 h) (circles), and the relative specific activities were determined. The relative activity is the specific activity of each promoter construct divided by the specific activity of construct 205. The specific activity of the 205 construct was routinely 20-fold above that of the background or empty vector control, but the mid-log-phase and postdiauxic growth needs to be compared to that of one active construct, such as 205, rather than to that of the background. These results are from one representative experiment (see Materials and Methods).