Table 1 Screening for extended-spectrum β-lactamases (ESBLs) production by certain pathogenic bacterial isolates using different methods
From: Natural outer membrane permeabilizers boost antibiotic action against irradiated resistant bacteria
Isolates no. | Bacterial Species (GNB) | DDST result | MDDT result | Combined disc method | Nitrocefin test result | Production of beta- lactamase | |
|---|---|---|---|---|---|---|---|
CFP-SCF | PRL-TZP | ||||||
1 | Escherichia coli | – | – | – | – | – | non-producer |
2 | Escherichia coli | + | + | + | + | + | Producer |
3 | Escherichia coli | – | – | – | – | – | non-producer |
4 | Acinetobacter baumannii | + | + | + | + | + | Producer |
5 | Acinetobacter baumannii | – | – | – | – | – | non-producer |
6 | Acinetobacter baumannii | – | – | – | – | – | non-producer |
7 | Pseudomonas spp. | – | – | – | – | – | non-producer |
8 | Pseudomonas spp. | + | + | + | + | + | Producer |
9 | Pseudomonas spp. | + | + | + | + | + | Producer |
10 | Pseudomonas spp. | – | – | – | – | – | non-producer |
11 | Pseudomonas spp. | – | – | – | – | – | non-producer |
12 | Klebsiella pneumoniae | – | – | – | – | – | non-producer |
13 | Enterobacter spp. | + | + | + | + | + | Producer |
14 | Enterobacter spp. | – | – | – | – | – | non-producer |
15 | Enterobacter spp. | – | – | – | – | – | non-producer |