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. 1998 Jun;180(12):3166–3173. doi: 10.1128/jb.180.12.3166-3173.1998

FIG. 6.

FIG. 6

Comparison of OpaR-induced opacity in opaque and translucent wild-type strains. (A) LM4572 (opaR::Tn5 with pLM1835) (left) and LM4565 (opaR::Tn5 with pLM2035) (right) were grown on HI Swarm Minus with chloramphenicol and IPTG. Plasmid pLM2035 contains opaR under the control of the Ptac promoter in the vector pLM1835. (B) Translucent (left) and opaque (right) wild-type strains were grown on HI Swarm Minus. Plates were photographed with illumination from above, in contrast to the plates in other figures, which were photographed with illumination from below.