Table 3.
Antibiotic production profiles (APP) of thermophilic and halophilic isolates against 8 pathogenic test microorganisms.
| Isolate Source | Isolate Number | Sample Sites | Pathogenic Test Bacteria | Spectrum of Antagonism against 8 Pathogens | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| B. cereus | B. subtilis | E. coli | S. typhi | Klebs sp. | S. aureus | M. luteus | P. ariuginosa | ||||
| Water | 10 | Kharga Oasis 1 * | + | + | + | + | + | + | + | + | 8 |
| 113 | Hammam Pheraon 1 | + | + | + | + | + | + | + | + | 8 | |
| 118, 116 | El-Hamara Lake 1 | − | + | + | + | + | + | + | + | 7 | |
| 9, 11 | Dakhla Oasis 1 | − | + | − | + | + | + | + | + | 6 | |
| 131, 124 | Ras Sedr 1 | + | + | + | + | + | + | − | + | 7 | |
| 111 | Hammam Pheraon 1 | − | + | + | + | + | − | + | + | 6 | |
| 109, 108 | Suez Gulf 1 | − | + | + | + | − | + | + | + | 6 | |
| 19 | Dakhla Oasis 1 | + | + | + | + | + | − | + | − | 6 | |
| 112 | Hammam Pheraon 1 | + | + | + | + | + | − | + | − | 6 | |
| 121, 123 | Hammam Pheraon 2* | − | + | + | − | + | − | + | + | 5 | |
| 123, 149 | Suez Gulf 1 | + | + | + | − | − | − | + | − | 4 | |
| 114, 126 | El-Baida Lake 1 | − | − | + | − | + | + | + | + | 5 | |
| 120 | El-Hamara Lake 1 | − | − | + | − | + | + | + | + | 5 | |
| 122 | Ras Sedr 1 | − | − | + | − | + | + | + | + | 5 | |
| 22, 20, 13 | Dakhla Oasis 1 | − | − | + | − | + | + | + | + | 5 | |
| 119, 124 | Hammam Pheroon 1 | − | + | − | + | + | − | + | + | 5 | |
| 115, 125 | Ras Sedr 1 | − | + | − | + | + | − | + | + | 5 | |
| 3, 8 | Kharga Oasis 1 | + | + | + | − | − | − | + | + | 5 | |
| 25 | Ras Sedr sulfur 2 | − | − | − | + | + | + | + | + | 5 | |
| 141, 143 | Hammam Pheraon 2 | − | − | − | + | + | + | + | + | 5 | |
| 191 | Ras Sedr sulfur 2 | − | − | − | + | + | + | + | + | 5 | |
| 155 | Al-Gaar Lake 1 | + | − | − | + | − | − | − | − | 2 | |
| 147 | El-Baida Lake 1 | + | + | − | − | − | − | − | − | 2 | |
| 1, 5 | Kharga Oasis 1 | − | − | + | − | − | − | − | − | 1 | |
| Soils | 136, 138 | Hammam Pharaon 3* | − | − | − | + | + | + | + | + | 5 |
| 130 | Al-Gaar Lake 2 | + | + | + | − | − | − | + | − | 4 | |
| 135, 127 | Hammam Pharaon 3 | + | + | − | + | + | + | + | + | 7 | |
| 225 | El-Baida Lake 2 | + | + | + | − | − | − | + | − | 4 | |
| 128 | Hammam Pharaon 3 | − | − | + | − | + | + | + | + | 5 | |
| 158 | Suez Gulf coast 2 | − | − | + | − | + | + | + | + | 5 | |
| 229 | El-Baida Lake 2 | − | − | + | − | + | + | + | + | 5 | |
| 182, 23 | Hammam Pharaon 3 | + | + | − | − | + | + | − | − | 4 | |
| 157, 154 | Suez Gulf coast 2 | − | + | + | − | − | − | + | − | 3 | |
| 184 | El-Hamara Lake 2 | + | − | − | + | − | − | − | − | 2 | |
| 156 | Hammam Pharaon 3 | − | + | − | − | − | − | − | − | 1 | |
* 1,2,3 is number of sample sites, + is positive inhibition, − is negative inhibition.