Brucellabacteriophage

Abstract
Filtrates prepared from suspensions and broth cultures of Brucella vaŕiants were examined for the presence of Brucella bacteriophage. Smooth Brucella, when mixed with decimal dilutions of these filtrates in broth, (1) contained typical bacteriophage plaques when inoculated on solid medium, and (2) gave a heavy turbidity in broth after suitable incubation, but frequently failed to yield visible growth upon plating these broth cultures to a solid medium. These data were discussed in terms of Brucella bacteriophage, and it is concluded that the presence of this virus best accounted for the phenomena observed.

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