Discontinuities in the DNA synthesized in an excision-defective strain of Escherichia coli following ultraviolet irradiation.

Centrifugation, Density Gradient Centrifugation, Zonal Cesium Chlorides Coliphages DNA, Bacterial/analysis,biosynthesis,radiation effects Escherichia coli/metabolism Models, Chemical Molecular Weight Pyrimidines Radiation Effects Sucrose Thymidine/metabolism Tritium Ultraviolet Rays

Chlorides DNA, Bacterial Pyrimidines Tritium Cesium Sucrose Thymidine