Table 2.
Antibacterial activity of ethyl acetate extracts against Gram-negative bacteria, measured as inhibition zones (mm) in the agar diffusion assay.
| Fungal strain | Escherichia coli | Pseudomonas aeruginosa | ||
|---|---|---|---|---|
| Freshwater culture | Seawater culture | Freshwater culture | Seawater culture | |
| Mycelium sterilium (KT03) | 8.6 ± 0.5 | 10.4 ± 0.5 | 7.9 ± 0.3 | 11.9 ± 0.3 |
| Aspergillus sp. (KT13) | 9.4 ± 0.5 | - | - | - |
| Unidentified strain (KT15) | - | - | - | - |
| Mycelium sterilium KT19 | 13.9 ± 0.9 | 14.1 ± 1.3 | 8.0 ± 0.0 | 13.9 ± 0.3 |
| Lasiodiplodia theobromae (KT26) | 81 ± 0.3 | - | 13.4 ± 0.8 | 8.1 ± 0.6 |
| Epicoccum nigrum (KT28) | 7.8 ± 1.0 | - | - | - |
| Mycelium sterilium (KT29) | 7.6 ± 0.5 | 12.5 ± 1.3 | 6.6 ± 0.5 | 12.6 ± 0.5 |
| Xylaria psidii (KT30) | 22.4 ± 0.8 | 8.9 ± 0.3 | 12.9 ± 0.3 | - |
| Mycelium sterilium (KT31) | 18.4 ± 0.5 | 10.6 ± 0.5 | - | - |
| Mycelium sterilium (KT32) | 8.9 ± 0.3 | 8.3 ± 0.5 | - | - |
| Coniothyrium sp. (KT33) | - | 7.0 ± 0.0 | - | - |
| Ampicillin (50 μg/disc) | 17.8 ± 0.4 | 17.8 ± 0.4 | ||
| Gentamicin (10 μg/disc) | 10.3 ± 0.5 | 10.3 ± 0.5 | ||
Extracts tested 2 mg/6 mm disc; Inhibition zone in mm including disc, expressed as Mean ± SD (n = 4);
-: No inhibition zone measured.