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Table 1 Spontaneous induction of λ cI857 S7 prophage in E. coli cells cultivated in media supporting different growth rates

From: Inhibition of spontaneous induction of lambdoid prophages in Escherichia colicultures: simple procedures with possible biotechnological applications

Medium Growth rate (doublings per hour) Frequency of spontaneous prophage
   induction (phages per cell)a
LB 1.0 6.6 × 10-7
M9GluCaa 0.8 4.0 × 10-8
M9Glu 0.6 < 1 × 10-9
M9Gly 0.4 < 1 × 10-9
M9Suc 0.3 < 1 × 10-9
  1. aThe results are average values from three measurements. In all cases, the standard deviation was below 10%