Table 2.

Transformation frequencies of polA1 cells with oriC plasmids

Plasmid	mioC	gid	Ratio of transformants (polA−/polA+) relative to pDB101
pDB101	+	+	1.00
pDB112	112	+	1.09  ±  0.12
pDB103	+	103	0.32  ±  0.02
pDB113	112	103	0.08  ±  0.01
pDB123	▵	▵	0.83  ±  0.09

+, Wild type; ▵, gene deletion mutant.