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Transformants carrying plasmid pGM17 (Pper-lacZ) were grown overnight in LB, resuspended in DMEM and grown for 8 hours without agitation. Samples were taken every hour and assayed for (A) β- galatosidase activity and (B) growth (OD600). (▪) wild-type (LRT9); (⧫) ΔrelA (GMF204); (▾) pLG19 (relA +) in GMF204. Each point represents the average of two independent experiments.
