Lyzogeny by MS2 phage. Expression of MS2-specific information with segregants of unstable transducing P1- and λ phages
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چکیده
منابع مشابه
Virucidal Influence of Ionic Liquids on Phages P100 and MS2
An increasing number of publications describe the potential of ionic liquids (ILs) as novel antimicrobials, antibacterial coatings and even as active pharmaceutical ingredients. Nevertheless, a major research area, notably their impact on viruses, has so far been neglected. Consequently the aim of this study was to examine the effects of ILs on the infectivity of viruses. A systematic analysis ...
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Near-UV photocatalytic disinfection was accomplished in aqueous titanium dioxide suspensions. A level of inactivation of phage MS2 of 90% increased to 99.9% after 2 muM ferrous sulfate was added. Hydroxyl radical oxidation, with Fenton reaction enhancement, is suspected to be primarily responsible for the viral degradation observed.
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MS2 is an RNA bacteriophage (3569 bases). The secondary structure of the RNA has been determined, and is known to play an important role in regulating translation. Paired regions of the genome have a higher G+C content than unpaired regions. It has been suggested that this reflects selection for high G+C content to encourage pairing, but a re-analysis of the data together with computer simulati...
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Salmonella phage P22 has been used in the construction of three sorts of specialized transducing phage: P22 proAB, P22 proABlac and P22 argF. The bacterial genes carried are derived from E. coli K12. Since E. coli and Salmonella chromosomes recombine very poorly, E. coli genes cannot be transduced into Salmonella recipients by P22‘s generalized transduction mechanism. Therefore, stable inherita...
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The gene for the maturation protein of the single-stranded RNA coliphage MS2 is preceded by an untranslated leader of 130 nt, which folds into a cloverleaf, i.e., three stem-loop structures enclosed by a long distance interaction (LDI). This LDI prevents translation because its 3' moiety contains the Shine-Dalgarno sequence of the maturation gene. Previously, several observations suggested that...
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ژورنال
عنوان ژورنال: Biopolymers and Cell
سال: 1996
ISSN: 0233-7657,1993-6842
DOI: 10.7124/bc.00043c