TABLE 4.

Numbers of antibiotic resistance genes found in S. sonnei strains with different MDR profiles

MDR profileNo. of antibiotic resistance genes in S. sonnei strains with indicated MDR profile
TotalIntegronSulTmp (dfrA1)β-Lactamase (blaTEM-1)Tet
Class 1Class 2 (no. of bp)sul1sul2tetAtetB
Str Sul Tmp Sxt101 (2,000)011a
Tet Str Sul Tmp Sxt1007 (2,000), 3 (1500)01010100
Amp Str Sul Tmp Sxt303 (2,000)0333
Amp Tet Str Sul Tmp Sxt606 (2,000)265606
Tet Nal Str Sul Tmp Sxt601 (2,000), 5 (1,500)06660
  • a —, not present.