IDENTIFICATION: GRAM NEGATIVE

• Bacteroides fraglis

  • VANCOMYCIN 5 ug (R)
  • KANAMYCIN 100 ug (R)
  • COLISTIN 10 ug (R)
  • CATALASE (+)
  • INDOLE (-)
  • STIMULATED BY BILE (+)
  • ESCULIN (+)
• Prevotella

  • VANCOMYCIN 5 ug (R)
  • KANAMYCIN 100 ug (R)
  • COLISTIN 10 ug (V)
  • CATALASE (-)
  • INDOLE (-)
  • STIMULATED BY BILE (-)
  • ESCULIN (-)
• Porphyromonas

  • VANCOMYCIN 5 ug (s)
  • KANAMYCIN 100 ug (R)
  • COLISTIN 10 ug (R)
  • CATALASE (-)
  • INDOLE (+)
  • STIMULATED BY BILE (-)
  • ESCULIN (V)
• B. fragilis

  • Is the one that shows resistance to all three antibiotics used in Potency Disk Test
  • Considered bile-tolerant