## Abstract The mutagenesis in phage T 7 after MMSβ, HNO~2~β, hydroxylamineβ, 5βBUdRβ, and 2βAPβtreatment in relation to host controlled functions is investigated. There was no dependence of the induction of mutations on the character of the host strains (__rec, hcr__). A back mutation system (__am
Frameshift mutagenesis in bacteriophage T7
β Scribed by James C. Pierce; Warren Masker
- Book ID
- 113255630
- Publisher
- Elsevier Science
- Year
- 1992
- Weight
- 559 KB
- Volume
- 281
- Category
- Article
- ISSN
- 0165-7992
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## Abstract UV induced mutagenesis of bacteriophage T 7 was investigated by using a forward mutation system (host range system) and a back mutation system (__amber__ system). The results indicate a dependence of mutation of T 7 after UV irradiation only on the __rec__ gene controlled functions of t
Most recombination following infection with T7 was found to coincide with the time of most repid DNA synthesis, at about 20 min after infection at 30 degrees in minimal medium. Recombining DNA was investigated electron microscopically. Multiply branched DNA structures were observed after infection w