Table 1.

Effect of a parB1 deletion on the anucleation of the genome of D. radiodurans

Growth period (h)	Wild type		ΔparB1 mutant
	No. of cells counted	Mean anucleation frequency (%) ± SE	No. of cells counted	Mean anucleation frequency (%) ± SE
2	189	0.60 ± 0.12	280	8.57 ± 1.34
4	203	0	297	9.42 ± 0.98
6	202	0.049 ± 0.021	258	10.07 ± 1.45
8	249	0	255	10.19 ± 1.58
10	295	0	206	13.39 ± 0.87