1887

Abstract

SUMMARY: R factors of the compatibility class P were transferred between strains of 12 and . These R factors were stable in and conferred similar levels of antibiotic resistance to those in the corresponding R 12 hosts, with the exception of carbenicillin resistance which was greatly reduced. Transfer between strains was by conjugation and was stimulated by conditions favouring spheroplast formation. R factor mediated recombination could not be demonstrated.

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1974-09-01
2021-08-01
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