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  • Title: The ocr+ gene function of bacteriophages T3 and T7 counteracts the Salmonella typhimurium DNA restriction systems SA and SB.
    Author: Krüger DH, Hansen S, Reuter M.
    Journal: J Virol; 1983 Mar; 45(3):1147-9. PubMed ID: 6300450.
    Abstract:
    In host cells containing the Salmonella typhimurium DNA restriction-modification systems SA(+) and SB(+), replication of the ocr(+) bacteriophages T3 and T7 is not impaired. However, ocr (gene 0.3) mutants of these phages are susceptible to DNA restriction and modification by the SA(+) and SB(+) systems.
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