Resistance of spores with and without coat defects to moist heat (A) and sodium hypochlorite (B). Spores of various strains were incubated in water at 88°C or sodium hypochlorite, and spore viability was determined as described in Materials and Methods. ○, PS533 (wild-type); •, PS3328 (cotE); ▵, PS4149 (gerE); ▴, PS4150 (cotE gerE).