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Table 6 Occurrence of MBL and AmpC genes variants among phenotypic MBL and AmpC positive Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa

From: Metallo-β-lactamase and AmpC genes in Escherichia coli, Klebsiella pneumoniae, and Pseudomonas aeruginosa isolates from abattoir and poultry origin in Nigeria

Genes

Escherichia coli (n = 22)

n (%)

Klebsiella pneumoniae (n = 18)

n (%)

Pseudomonas aeruginosa (n = 22)

n (%)

Total (n = 62)

n (%)

MBL gene

 blaIMP-1

8 (36.4)

9 (50)

12 (54.5)

29 (46.8)

 blaIMP-2

4 (18.2)

6 (33.3)

4 (18.2)

14 (22.6)

 Total

12 (54.6)

15 (83.3)

16 (72.7)

43 (69.4)

 

Escherichia coli (n = 17)

n (%)

Klebsiella pneumoniae (n = 18)

n (%)

Pseudomonas aeruginosa (n = 24)

n (%)

Total (n = 59)

n (%)

AmpC gene

 blaCMY

3 (17.6)

4 (22.2)

7 (29.2)

14 (23.7)

 blaFOX

2 (11.8)

1 (5.6)

3 (12.5)

6 (10.2)

 Total

5 (29.4)

5 (27.8)

10 (41.7)

20 (33.9)

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