Table 2.
Antimicrobial activity of cell-free broth from bacterial endophytes by agar well diffusion against pathogenic strains*
| Endophytic bacteria | Inhibition zone diameter (mm) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Codes | Name | SA | BC | SP | PS | KP | SE | EC | PA_ | CT | CN | AC |
| XAFb12 | Serratia marcescens | 0 | 0 | 9 ± 1.4 | 6 ± 0.8 | 12 ± 0.5 | 0 | 15 ± 1.4 | 9 ± 0.3 | 12 ± 1.2 | 15 ± 0.5 | 9 ± 0.2 |
| Pseudomonas entomophila | 25 ± 0.8 | 22 ± 0.3 | 25 ± 1.2 | 26 ± 0.2 | 15 ± 1.3 | 22 ± 0.4 | 20 ± 0.6 | 17 ± 1.2 | 10 ± 0.8 | 8 ± 1.3 | 13 ± 0.4 | |
| AMOX** | 8 ± 2.0 | 6 ± 1.3 | 0 | 6 ± 0.5 | 8 ± 0.7 | 6 ± 1.4 | 8 ± 1.8 | 8 ± 2.2 | - | - | - | |
| CLOTR** | - | - | - | - | - | - | - | - | 11 ± 1.3 | 9 ± 0.4 | 0 | |
*SA, Staphylococcus aureus; BC, Bacillus cereus; SP, Streptococcus pneumoniae; PS, Proteus spp.; KP, Klebsiella pneumoniae; SE, Salmonella enterica; EC, Escherichia coli; PA, Pseudomonas aeruginosa; CT, Candida tropicalis; CN, Cryptococcus neoformans; AC, Aspergillus clavatus. **Control antimicrobials: AMOX, amoxicillin; CLOTR, clotrimazole