On the host-controlled modification of bacteriophage λ☆

摘要: Abstract Phage λ.C, grown on Escherichia coli strain C, is restricted E. strains K12, K12(P1) and B251, its DNA broken down after injection into these bacterial strains. λ.K or λ.K(P1)—that is, K12 K12(P1)—is accepted by but undergoes host controlled modification upon reproduction in C ( Weigle Bertani, 1953 ). In a one-cycle growth of λ.K(P1) parental specificity undergo linked transfer the progeny. Thus, property molecule, as was previously shown for phage λ another system Arber Dussoix, 1962 Host serially transferable, probability to progeny constant any given strand under experimental conditions.