Abstract
Temperature-sensitive mutants of phage alpha were obtained by means of various mutagens and assigned to 25 complementation groups. Temperature-sensitive mutants belonging to 21 complementation groups and a mutant giving turbid plaques were used to perform two- and three-factor crosses. Seventeen of the cistrons and the turbid mutant were shown to belong to the same linear linkage group, which showed no signs of circularity. The remaining four unlinked cistrons showed peculiarities in their recombination properties. Genes which are known to be expressed earlier apear to be grouped together in a terminal segment of the linkage group.
MeSH Terms
Bacillus megaterium
Bacteriophages/drug effects,growth & development,isolation & purification,radiation effects
Chromosome Mapping
Crosses, Genetic
Genetic Complementation Test
Genetics, Microbial
Guanidines/pharmacology
Hydroxylamines/pharmacology
Methane/pharmacology
Mutagens
Mutation
Nitrites/pharmacology
Nitroso Compounds/pharmacology
Recombination, Genetic
Spectrophotometry
Sulfonic Acids/pharmacology
Temperature
Ultraviolet Rays
Chemicals
Guanidines
Hydroxylamines
Mutagens
Nitrites
Nitroso Compounds
Sulfonic Acids
Methane
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Kejzlarovà J
Donini P
Eremenko-Volpe T
Graziosi F
References (15)
15 references, click to expand
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