Table 1.

Efficiency of homologous recombination in Hfr × F⁻ crosses

F− recipient cell genotype	Effect of additional recipient mutations on the efficiency of recombination
	None	priA300	recF	priA300 recF
Wt	1.00	0.82 ± 0.09	0.71 ± 0.02	0.70 ± 0.1
recG	0.46 ± 0.09	0.90 ± 0.06	0.3a	0.60 ± 0.07
ruvABC	0.72 ± 0.18	0.22 ± 0.02	1.35 ± 0.28	0.97 ± 0.05
ruvABC recG	0.0061 ± 0.0001	0.0077 ± 0.0026	0.044 ± 0.005	0.25 ± 0.03
ruvABC recG recO recB		0.00095 ± 00018

Values are from crosses with Hfr donor strain GY2200, unless specified, and are means of at least two independent experiments, usually three or more, corrected for any reduction in the viability of the recipient cells. Error estimates are standard errors of the mean values. Uncorrected mean values, measures of recipient cell viability and of mating efficiency are documented in Table S2 along with the number of experiments conducted with each recipient

^aData reproduced from (Ryder et al. 1994)