Table 5.
Antibiotic susceptibility pattern of different Gram-negative bacterial isolates. For analysis, three set of plates for each strain or antibiotic were incubated at 37 °C for 24 h.
| Strains | Antibiotics | |||||||
|---|---|---|---|---|---|---|---|---|
| AK | AX | CL | CN | NA | TOB | TE | C | |
| Zone of Inhibition (mm) * | ||||||||
| Serratia rubidaea BPc-1 | 18 (S) | 12 (R) | 0 (R) | 14 (I) | 14 (I) | 12 (R) | 14 (R) | 18 (S) |
| Pantoea dispersa BPc-3 | 22 (S) | 14 (I) | 14 (I) | 18 (S) | 12 (R) | 14 (I) | 20 (S) | 12 (R) |
| Acinetobacter calcoaceticus BPb-3 | 16 (I) | 14 (I) | 12 (I) | 18 (S) | 14 (I) | 20 (S) | 26 (S) | 22 (S) |
| Klebsiella penumoniae Eb-1 | 18 (S) | 0 (R) | 14 (I) | 18 (S) | 18 (I) | 12 (R) | 20 (S) | 22 (S) |
| P. vagans Eb-2 | 20 (S) | 22 (S) | 20 (S) | 20 (S) | 18 (I) | 22 (S) | 22 (S) | 10 (R) |
| A. calcoaceticus Eb-4 | 20 (S) | 0 (R) | 10 (R) | 12 (R) | 14 (I) | 16 (S) | 18 (I) | 20 (S) |
| Burkholderia cepacia Eb-6 | 24 (S) | 16 (I) | 20 (S) | 18 (S) | 0 (R) | 20 (S) | 20 (S) | 14 (I) |
| A. calcoaceticus Eb-8 | 18 (S) | 8 (R) | 0 (R) | 16 (S) | 16 (I) | 14 (I) | 20 (S) | 12 (R) |
| A. bouvetii EMt-1 | 18 (S) | 22 (S) | 26 (S) | 14 (I) | 18 (I) | 24 (S) | 26 (S) | 22 (S) |
| Enterobacter amnigenus EMt-5 | 18 (S) | 0 (R) | 0 (R) | 12 (R) | 12 (R) | 10 (R) | 16 (I) | 22 (S) |
| S. rubidaea EMc-2 | 26 (S) | 12 (R) | 16 (S) | 16 (S) | 0 (R) | 14 (I) | 22 (S) | 16 (I) |
| A. calcoaceticus EMc-4 | 28 (S) | 14 (I) | 22 (S) | 16 (S) | 16 (I) | 18 (S) | 18 (I) | 20 (S) |
| A. calcoaceticus Lc-52 | 16 (I) | 12 (R) | 12 (I) | 14 (I) | 12 (R) | 14 (I) | 18 (I) | 18 (S) |
| S. rubidaea Lcr-22 | 22 (S) | 14 (I) | 0 (R) | 16 (S) | 18 (I) | 12 (R) | 18 (I) | 20 (S) |
| Stenotrophomonas maltophilia MCt-1 | 16 (I) | 0 (R) | 0 (R) | 14 (I) | 22 (S) | 10 (R) | 20 (S) | 22 (S) |
| Kluyvera cryocrescens MCt-5 | 12 (R) | 10 (R) | 10 (R) | 14 (I) | 12 (R) | 16 (S) | 18 (I) | 18 (S) |
| S. ureilytica MCt-6 | 14 (I) | 10 (R) | 14 (I) | 12 (R) | 14 (I) | 16 (S) | 22 (S) | 20 (S) |
| S. rubidaea Mc-2 | 24 (S) | 18 (S) | 14 (I) | 16 (S) | 12 (R) | 18 (S) | 16 (I) | 22 (S) |
| S. maltophilia Mc-3 | 16 (I) | 0 (R) | 0 (R) | 10 (R) | 0 (R) | 0 (R) | 10 (R) | 12 (R) |
| A. calcoaceticus Mc-4 | 26 (S) | 20 (S) | 28 (S) | 28 (S) | 0 (R) | 26 (S) | 20 (S) | 28 (S) |
| A. calcoaceticus MSt-6 | 28 (S) | 26 (S) | 24 (S) | 28 (S) | 0 (R) | 24 (S) | 28 (S) | 24 (S) |
| Pantoea sp. MSc-1 | 28 (S) | 20 (S) | 18 (S) | 22 (S) | 20 (S) | 25 (S) | 26 (S) | 18 (S) |
| E. cloacae PCt-2 | 12 (R) | 14 (I) | 10 (R) | 10 (R) | 0 (R) | 10 (R) | 18 (I) | 18 (S) |
| E. cloacae Xc-3 | 18 (S) | 0 (R) | 0 (R) | 16 (S) | 20 (S) | 10 (R) | 20 (S) | 22 (S) |
| Pseudomonas putida Xc-5 | 34 (S) | 12 (R) | 10 (R) | 28 (S) | 16 (I) | 30 (S) | 36 (S) | 16 (I) |
| Citrobacter freundii Xc-6 | 18 (S) | 10 (R) | 0 (R) | 16 (S) | 14 (I) | 10 (R) | 14 (R) | 20 (S) |
| C. werkmannii Xt-3 | 16 (I) | 0 (R) | 0 (R) | 18 (S) | 16 (I) | 12 (R) | 18 (I) | 20 (S) |
| S. rubidaea Xb-3 | 22 (S) | 12 (R) | 0 (R) | 18 (S) | 22 (S) | 14 (I) | 16 (I) | 22 (S) |
* Letters in parenthesis indicate level of sensitivity of respective antibiotics. Affiliations: R = resistant, I = intermediate, S = sensitive. Antibiotics: AK = Amikacin; AX = Amoxicillin; CL = Cephalexin; CN = Gentamicin; NA = Nalidixic acid; TOB = Tobramycin; TE = Tetracycline; C = Chloramphenicol.