Article
[Various properties of RifR mutants of the plague agent].
Antibiotiki i khimioterapiia = Antibiotics and chemoterapy [sic] - 1 Jul 1991
Lebedeva S A, Evteeva E I, Ivanova V S
Abstract excerpt
The properties of the RifR mutants of four vaccinal and two natural strains of the plague bacillus were studied. The frequency of the mutants not growing on the complete nutrient medium after increasing the cultivation temperature to 37 degrees C averaged to 3.10(-1). The frequency of the loss of every of the three known autonomous plasmids or combinations of the 6-mD and 65-mD plasmids was n.10(-1). In the...
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