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T1 BACTERIOPHAGE PRODUCTION IN ESCHERICHIA COLI

Department of Microbiology, College of Physicians and Surgeons, Columbia University, New York, New York

ABSTRACT

FEINER, ROSE R. (Columbia University, New York, N.Y.) AND SOLON A. ELLISON. T1 bacteriophage production in Escherichia coli. J. Bacteriol. 85:7–11. 1963.—Progeny released from complexes formed between unirradiated Escherichia coli strain Bs-1 and ultraviolet (UV)-irradiated phage T1 were equally infective for strains B and Bs-1, and were therefore not hostmodified. The capacity of Bs-1 for unirradiated or irradiated T1 is relatively insensitive to UV irradiation, as compared with that of strains B and B/r. In all three strains of E. coli, B, B/r, and Bs-1, the UV sensitivity of the capacity for phage T1 is independent of the UV sensitivity of colony-forming ability. These findings are discussed in relation to the partial genetic homology hypothesis.