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. 2008 Aug 8;74(19):5925–5933. doi: 10.1128/AEM.00318-08

TABLE 2.

Digital image analysis of nucleoids from E. colia

Dose (μg/ml) n Surface area (mean ± SD) Relative increase in surface area P
0 150 7,411.9 ± 2,173.8
0.012 145 29,198.8 ± 12,747.9 3.9 <0.0001
5.0 146 85,156.8 ± 19,301.1 11.5 <0.0001
a

Nucleoids were treated with ciprofloxacin for 40 min in LB broth and processed with the Micro-Halomax kit. n, number of nucleoids examined; P, significance level obtained with Mann-Whitney U test; surface area is shown in number of pixels.