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Genetic studies of hybrids between coliphage λ and Salmonella phage P22: Genetic analysis of the P22-λ hybrid class

✍ Scribed by Yamamoto, Nobuto ;Ushijima, N. ;Gemski, P. ;Baron, L. S.

Publisher: Springer
Year: 1977
Tongue: English
Weight: 439 KB
Volume: 155
Category: Article
ISSN: 0026-8925
DOI: 10.1007/bf00393149

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✦ Synopsis

P22-lambda hybrids which retain the protein coat of P22 have been isolated and characterized into two types. Type 1 hybrids which have the c through O-P genes of lambda are unable to grow lytically on Salmonella typhimurium. On the other hand, type 2 hybrids which contain only the c region of lambda, plated on S. typhimurium. Both hybrid types retained the generalized transducing and antigenic conversion capabilities of P22.

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✍ Gough, Michael ;Tokuno, Shin-Ichi 📂 Article 📅 1975 🏛 Springer 🌐 English ⚖ 495 KB

Mutants of P22 which have been located in the c2 repressor gene were examined. The most rightward "c2 mutation" was found to define a site that is necessary only for the establishment and not for the maintenance of repressor synthesis. We conclude that this site c27 is an analog of cy mutants in pha