On the regulation of the initiation of DNA replication in bacteria.

Bacillus subtilis/growth & development,metabolism,radiation effects Bacterial Proteins/biosynthesis Bacteriophages Bromodeoxyuridine/pharmacology Centrifugation, Density Gradient Chromosome Aberrations Culture Media DNA Replication/drug effects DNA, Bacterial/biosynthesis Depression, Chemical Genetics, Microbial Hybridization, Genetic Mitomycins/pharmacology Mutation RNA, Bacterial/biosynthesis Radiation Effects Radiation Genetics Spores/metabolism Temperature Thymine/pharmacology Time Factors Transformation, Genetic Ultraviolet Rays

Bacterial Proteins Culture Media DNA, Bacterial Mitomycins RNA, Bacterial Bromodeoxyuridine Thymine