AI Article Synopsis

  • A study investigated how drug resistance relates to the virulence of Staphylococcus aureus strains from cows with endometritis.
  • The research used Hirota's method to find that resistance to certain antibiotics was controlled by plasmids.
  • It was discovered that while eliminating some resistant markers often reduced the virulence of the strains, drug resistance and virulence did not correlate directly.

Article Abstract

A study was carried out on the drug resistance as associated with the virulence of Staphylococcus aureus strains isolated from cows with endometritis. Hirota's method was employed to ascertain that resistance to penicillin, erythromycin, neomycin, and kanamycin was governed by plasmids. It was found at the same time that, fairly often, with the elimination of some of the resistant markers the virulence of the strain variants also dropped. However, these two properties did not correlate with each other.

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