Open AccessInduction of Prophage in Streptococcus lactis C2 by Ultraviolet Irradiation
Author(s) -
Larry L. McKay,
Kathleen A. Baldwin
Publication year - 1973
Publication title -
applied microbiology
Language(s) - English
Resource type - Journals
ISSN - 0003-6919
DOI - 10.1128/am.25.4.682-684.1973
Subject(s) - lysogenic cycle , prophage , strain (injury) , bacteriophage , microbiology and biotechnology , irradiation , ultraviolet irradiation , streptococcus , ultraviolet , biology , lactococcus lactis , ultraviolet light , chemistry , bacteria , lactic acid , escherichia coli , biochemistry , materials science , genetics , photochemistry , physics , optoelectronics , anatomy , nuclear physics , gene
Streptococcus lactis C2 has been used extensively by many laboratories in studies on the metabolism of lactic streptococci. By using ultraviolet irradiation as the inducing agent, this organism was shown to release a small bacteriophage, indicating that it is a lysogenic strain. The induced phage had a head approximately 40 nm in diameter and a tail length and width of about 180 and 6 nm, respectively. A structure resembling a collar was observed. Attempts to isolate a sensitive indicator strain for the virus were unsuccessful.
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