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Table 2 Distribution of CCs, STs, PIs, serotypes and antibiotic resistance pattern among erythromycin-resistant GBS

From: Prevalence, population structure, distribution of serotypes, pilus islands and resistance genes among erythromycin-resistant colonizing and invasive Streptococcus agalactiae isolates recovered from pregnant and non-pregnant women in Isfahan, Iran

Strain name GBS type Isolation source CPS type Pilus Island type Resistance pattern Erythromycin resistance phenotype Resistance genes ST CC
MS 1040 Colonizing RVSe III PI-1 E- C-T cMLSB ermB 335 19
MS 983 Invasive Blood V PI-1 + PI-2b E a-C b-T c-LEV d cMLSB ermB 335  
MS 422 Invasive Blood III PI-1 + PI-2b E- T- LEV iMLSB ermTR 335  
MS 34 Invasive Joint fluid III PI-1 + PI-2a E- T iMLSB ermTR 335  
MS 302 Invasive Blood III PI-1 + PI-2a E- T M mefA 335  
MS 161 Invasive Blood III PI-1 + PI-2b E- T M mefA 335  
MS 655 Colonizing RVS V PI-1 E- C-T cMLSB ermB 335  
MS 5 Colonizing RVS III PI-1 + PI-2b E- T iMLSB ermB 335  
MS 334 Invasive Blood V PI-1 + PI-2a E- C- T- LEV cMLSB ermTR + ermB 335  
MSMOT Invasive Blood III PI-1 E- C cMLSB ermB 335  
MS 135 Invasive Blood IV PI-1 + PI-2b E- C cMLSB ermB 197  
MS 101 Colonizing RVS III PI-1 E -T iMLSB ermTR 19  
MS 651 Invasive Blood Ib PI-1 + PI-2b E- C cMLSB ermB 19  
MS 300 Invasive Blood VII PI-1 + PI-2a E- C- T- LEV cMLSB ermB 19  
MS 102 Colonizing RVS Ib PI-1 + PI-2b E- LEV iMLSB ermB 43 12
MS 663 Colonizing RVS II PI-1 E- C- T- LEV cMLSB ermB 43  
MS 40 Colonizing RVS Ia PI-1 + PI-2a E- C- T cMLSB ermB 43  
MS 68 Colonizing RVS IV PI-1 E- C- T cMLSB ermB 43  
MS 949 Invasive Peritoneal fluid VI PI-1 E iMLSB ermTR 43  
MS 278 Invasive Plural fluid III PI-1 + PI-2b E- T iMLSB ermTR 12  
MS 865 Invasive Joint fluid Ib PI-1 E- C-T cMLSB ermB 12  
MS 816 Invasive Blood III PI-1 E- C- T cMLSB ermB 12  
MS 305 Colonizing RVS Ia PI-2b E- T M mefA 12  
MS 358 Invasive Blood Ia PI-2b E- C cMLSB ermB 16 4
MS 76 Colonizing RVS III PI-1 + PI-2a E- T iMLSB ermB 163 23
MS 326 Colonizing RVS Ia PI-1 E- C- T cMLSB ermB 163  
MS 177 Colonizing RVS Ia PI-1 E- C- T cMLSB ermB 163  
MS 120 Colonizing RVS Ia PI-1 E- C- T cMLSB ermB 23  
MS 100 Colonizing RVS III PI-1 + PI-2b E iMLSB ermTR 17 17
MS 136 Colonizing RVS III PI-1 + PI-2b E- C cMLSB ermB 17  
  1. a. Erythromycin, b. Clindamycin, c. Tetracycline, d. Levofloxacin. eRecto-vaginal swab