TABLE 2.

Effects of NA on DNA condensation in WT E. coli (AB1157)

NAa	Spread genome	Condensed genome	n/Nb
μg/ml	% of cells	% of cells
0	97 ± 2	3 ± 2	680/6
100	7 ± 2	93 ± 2	492/6
350	2 ± 2	98 ± 2	486/6
500	0	99 ± 2	703/6

^a Exposure time was 60 min.

^b n in all tables represents the total number of cells scored for a given set of conditions. N is the number of independent experiments conducted.