1887

Abstract

SUMMARY

Forty-eight independent restriction-deficient mutations of 2 were isolated by using selective and non-selective methods. With phage P 22 it was shown that some mutations affected the restriction capacity only, while others affected both restriction and modification. The host-restriction of decreased the recovery of F- infected cells and decreased the yield of recombinants in bacterial mating and in phage P 22-mediated transduction.

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/content/journal/micro/10.1099/00221287-58-1-57
1969-09-01
2021-07-29
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