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. 1975 May 26;280(20):2401-4.

[Plasmids controlling the resistance to several antibiotics in C. perfringens type A, strain 659]

[Article in French]
  • PMID: 167997

[Plasmids controlling the resistance to several antibiotics in C. perfringens type A, strain 659]

[Article in French]
M Sebald et al. C R Acad Hebd Seances Acad Sci D. .

Abstract

A strain of C. perfringens type A, isolated from a patient, was found to be resistant to four antibiotics: tetracycline (Tet), chloramphénicol (Chl), erythromycin (Ero) and clindamycin (Cli). Clones resistant to only two drugs (Tet-Chl or Ero-Cli), or sensitive to all drugs were found in cultures of the wild-type strain treated by acridine dyes or ethidium bromide. DNA analysis by equilibrium centrifugation confirmed that the original strain contains two resistance plasmids, one called Rip 401 (Tet-Chl) and the other Rip 402 (Ero-Cli), which represent respectively 1.8 +/- 0.2% and 2.3 +/- 0.2% of the total amount of DNA in this strain of Cl. perfrigens.

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