FIG. 1.

Germination of wild-type and gerF spores in liquid medium. Heat-activated spores of strains PS832 (wild-type) or PS3301 (gerF) were incubated at 37°C in LB medium plus 4 mM l-alanine, and the optical densities were measured at various times. Symbols: ▴, wild-type spores; •, gerF spores.