TABLE 2.

Detection of nucleic acid on glass wool fibers by fluorescence microscopy using propidium iodide and DAPI

Treatment	Presence of nucleic acid
	LB only	B. cereus in LB broth	purA mutant in LB broth
2-h culture	−	+	−
24-h culture	−	+	−
Lysed exponential-phase (2 h) cells	NDa	+	+
Genomic DNA	ND	+	+

^aND, not determined.