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Table 3 Molecular Characterization of ESBL & AmpC β-lactamases in Enterobacteriaceae isolated (N = 88) from 27 randomly selected neonates

From: Community acquisition of β-lactamase producing Enterobacteriaceae in neonatal gut

Phenotype

No. strains

ESBL

AMPc

  

bla-TEM

ESBL TEM

SHV

CTX-M

DHA

CMY-1

CMY-2

LAT

MOX

BIL

FOX

E + A+

7

7

2*

1**

4#

2

 

3

 

2

 

1

E + A-

10

10

  

10

       

E-A+

5

5

   

3##

2

     

E-A-

66

PCR not performed for strains with cefotaxime, ceftazimime zone diameter ≥ 28 and ≥ 23 respectively and phenotypic test negative for ESBL and AmpC16

  1. Note: Sequencing results *Tem 136, Tem 149; **SHV28. E = ESBL, A = AmpC, - = Negative, + = Positive.
  2. #ESBL and AMPc genes were mainly isolated in E.coli except one Klebsiella pneumoniae having both CTX-M as well as MOX gene.
  3. ## One Citrobacter showed the presence of DHA gene.
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BMC Microbiology

ISSN: 1471-2180

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