Table 2 Frequency of ESBL resistance genes and Biofilm-associated genes in Klebsiella pneumoniae isolates from Poultry, Equine, Human, and Environmental Samples.

From: Emerging biofilm formation and disinfectant susceptibility of ESBL-producing Klebsiella pneumoniae

Source

No. of examined samples

Klebsiella spp.

K. pneumoniae

ESBL encoding genes

K. pneumoniae virulence genes (biofilm genes)

No. positive* (%)

No. positive* (%)

blaTEM

blaSHV

blaCTX-M

blaOXA-1

Uge

mrkD

luxS

Poultry

90

30 (33.3)

12 (13.3)

12

12

11

2

8

7

6

Equine

60

9 (15)

5 (8.3)

4

4

4

0

4

4

4

Wild bird

40

8 (20)

6 (15)

6

6

6

1

3

3

3

Water

50

12 (24)

5 (10)

3

3

3

0

3

3

3

Feed

50

4 (8)

1 (2)

1

1

0

0

1

0

0

Human (hand’s swabs)

30

4 (13.3)

2 (6.6)

2

2

1

0

2

0

0

Total

320

67 (20.9)

31 (9.7)

28

28

24

3

21

17

16

X2

12.171

4.650

3.644

1.296

1.241

 

1.194

1.098

1.458

P value

0.016

0.325

0.302

0.861

0.619

Nd

0.769

0.7775

0.691

  1. X2: Chi-Square.
  2. p value is significant < 0.05.
  3. ND not detected.