Table 1. Screening for Antibacterial Metabolite Production by Different Endophytic Fungal Isolates of Justicia adhatodaa.
| Fungal Strain | Antibacterial Activity: Zone of Inhibition ± SD (Homogenous Group Based on LSD at P<0.05) | |||
|---|---|---|---|---|
| S. aureus | E. coli | M. luteus | P. aeruginosa | |
| NF12 | 0.0 ± 0.0(d) | 0.0 ± 0.0(c) | 0.0 ± 0.0(c) | 0.0 ± 0.0(c) |
| NF13 | 0.0 ± 0.0(d) | 0.0 ± 0.0(c) | 0.0 ± 0.0(c) | 0.0 ± 0.0(c) |
| NF14 | 13.9 ± 1.2(b) | 0.0 ± 0.0(c) | 0.0 ± 0.0(c) | 9.8 ± 0.6(b) |
| NF15 | 15.1 ± 1.4(b) | 9.4 ± 0.5(b) | 9.5 ± 0.3(b) | 14.3 ± 0.6(a) |
| NF16 | 10.1 ± 0.5(c) | 0.0 ± 0.0(c) | 0.0 ± 0.0(c) | 9.5 ± 0.3(b) |
| NF17 | 0.0 ± 0.0(d) | 0.0 ± 0.0(c) | 0.0 ± 0.0(c) | 0.0 ± 0.0(c) |
| Tetracycline 30µg/well | 20.1 ± 1.0(a) | 21.2 ± 1.6(a) | 22.3 ± 1.6(a) | 14.5 ± 2.1(a) |
| DMSO | 0.0 ± 0.0(d) | 0.0 ± 0.0(c) | 0.0 ± 0.0(c) | 0.0 ± 0.0(c) |
Abbrviations: DMSO, dimethylsulfoxide; LSD, least significant difference; SD, standard deviation.
aThe values are represented as the mean ± standard deviation among triplicate experiments. Values followed by the same alphabetic letter do not differ significantly at a 95% probability (P < 0.05).