Molecular and antimicrobial susceptibility profiling of Streptococcus dysgalactiae isolated from swine

Diagn Microbiol Infect Dis. 2016 Oct;86(2):178-80. doi: 10.1016/j.diagmicrobio.2016.07.020. Epub 2016 Jul 27.

Abstract

Streptococcus dysgalactiae subspecies equisimilis and dysgalactiae were isolated from swine clinical specimens. The subspecies equisimilis presented 2 clonal patterns with 85% genetic similarity, whereas subspecies dysgalactiae presented distinct band pattern with less than 80% similarity with equisimilis genotypes. Isolates presented high MIC values to tetracyclines, danofloxacin, spectinomycin, tiamulin, and clindamycin.

Keywords: Resistance; Sequencing; Streptococcus dysgalactiae; Subspeciesdysgalactiae; Subspeciesequisimilis.

MeSH terms

  • Amplified Fragment Length Polymorphism Analysis
  • Animals
  • Anti-Bacterial Agents / pharmacology*
  • Cluster Analysis
  • Genotype*
  • Microbial Sensitivity Tests
  • Molecular Typing*
  • Streptococcal Infections / microbiology
  • Streptococcal Infections / veterinary*
  • Streptococcus / classification*
  • Streptococcus / drug effects*
  • Streptococcus / isolation & purification
  • Swine
  • Swine Diseases / microbiology*

Substances

  • Anti-Bacterial Agents