The lysis curves of three λ S alleles. The culture turbidity (in A550) was sampled every 2 min using a sipper-equipped spectrophotometer. In this particular example, the lysis times for λ(S105L14C/C51S) (▪), λ(Swt) (•), and λ(SS68C) (▴) are 41, 51, and 63 min, respectively.