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Table 2 Phenotypic and molecular characteristics of 18 representative strains of Klebsiella pneumoniae used as donors

From: Predominance of Klebsiella pneumoniaeST14 carrying CTX-M-15 causing neonatal sepsis in Tanzania

S NO Isolate ESBL allele Inc group PFGE cluster ST Phyl Conjugation frequency Plasmid size Transferable resistance
1 020 CTX-M-15, TEM-1 FII X2 ST147 KpI 10-5 145 kb GM,SXT
2 019 CTX-M-15, TEM-1 FII X2 ND KpI 10-7 194 kb GM
3 025 TEM-104 FII X2 ST101 KpI 10-7 145 kb GM,SXT
4 024 TEM-104 ND X8 ST14 KpI 10-6 194 kb GM
5 028 CTX-M-15, TEM-1 FII X8 ST14 KpI 10-6 145 kb GM
6 175 CTX-M-15 FII X10 ND KpI 10-5 97 kb GM
7 071 CTX-M-15, TEM-1 ND X2 ST101 KpI 10-6 485 kb GM
8 008 CTX-M-15, TEM-1 FIA X7 ST14 KpI 10-5 97 kb GM
9 107 TEM-104 FII X8 ST14 KpI 10-5 194 kb GM
10 108 TEM-104 FIA X12 ND KpI 10-3 97 Kb GM
11 214 CTX-M-15, TEM-1 ND X7 ST48 KpI Neg 485 Kb, 25 kb -
12 120 CTX-M-15, TEM-1 FII X9 ST348 KpI 10-6 145 kb GM,SXT
13 133 CTX-M-15 FII X2 ND KpI 10-7 145 kb GM,SXT,TET
14 135 CTX-M-15 FII X4 ND KpI 10-3 145 kb GM,SXT, TET
15 141 CTX-M-15, TEM-1 ND X9 ST348 KpI 10-5 145 kb GM,SXT
16 211 CTX-M-15,TEM-1 ND X5 ST48 KpI Neg - -
17 118 CTX-M-15 ND X7 ST14 KpI 10-7 97 kb GM,SXT
18 081 CTX-M-15 FII X2 ND KpI 10-6 145 kb GM
  1. Inc = Incompatibility; ST = Sequence Type; Phyl = Phylogenetic group; S NO = Strain number; GM = gentamicin; SXT = sulfamethoxazole-trimethoprim; TET = tetracycline.
  2. ND = not determinable.