Cells with stochastically increased methyltransferase to restriction endonuclease ratio provide an entry for bacteriophage into protected cell population.

However, the difference in mean numbers of MTase fusion molecules in infected cells and cells that withstood the infection (6219 ± 326 and 4400 ± 178, respectively) was highly significant ( P < 0.001) and led to a shift of the MTase to REase ratio in productively infected cells to higher values compared to cells that withstood the infection (1.75 ± 0.123 versus 1.02 ± 0.04).

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