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Table 3 Combination of β-lactamases detected in 586 strains analyzed

From: Analysis of β-lactamase phenotypes and carriage of selected β-lactamase genes among Escherichia coli strains obtained from Kenyan patients during an 18-year period

 

NSBL

IRT

ESBL

CMT

pAmpC

β-lactamase genes

n = 155

n = 73

n = 140

n = 124

n = 94

TEM-1

84 (54)

SHV-1

54 (35)

TEM-1 and OXA-1

55 (75)

TEM-1 + SHV-1

17 (11)

SHV-5

4 (3)

SHV-12

7 (5)

CTX-M-1 + OXA-1

9 (6)

CTX-M-3

15 (11)

CTX-M-8

6 (4)

CTX-M-9

3 (2)

CTX-M-14

41 (29)

CTX-M-14 + TEM-1 + OXA-1

9 (7)

CTX-M-15

34 (24)

CTX-M-15 + TEM-1 + OXA-1

14 (11)

TEM-103

18 (25)

TEM-109

9 (7)

TEM-50

10 (8)

TEM-52

22 (16)

TEM-52 + OXA-1

15 (12)

TEM-78

9 (7)

TEM-125

36 (29)

TEM-152

14 (11)

TEM-158

10 (8)

CMY-1 + OXA-2

16 (17)

CMY-1

1 (1)

CMY-2

5 (5)

CMY-2 + SHV-5 + TEM-1

14 (15)

CMY-2 + SHV-12

12 (13)

CMY-2 + OXA-2

46 (49)

  1. Combination of bla genes detected in isolates exhibiting different β-lactamase phenotypes.
  2. (−) isolate with a given phenotype did not test positive for a given set of bla genes.