TABLE 4.
Microorganisms detected in Samotlor water samples by the microchip method
| Targeted organism(s) | No. of probes hybridizing with DNA of sample
|
Identification by culture-based methodsa | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 13044 | 757 | Injection water | ||||||||
| Thermococcus + Pyrococcus | 6, 30 | 6, 30 | —b | + | ||||||
| Desulfurococcus | 44 | — | — | − | ||||||
| Methanobacterium + Methanothermobacter | 5, 58 | 5, 58 | 5, 58 | +c | ||||||
| Thermotoga + Thermosipho | 54 | 54 | 54 | + | ||||||
| Geotoga | — | 21 | — | − | ||||||
| Petrotoga | 25, 27 | — | — | + | ||||||
| Thermoanaerobacter | 50 | 50 | 50 | + | ||||||
| Desulfotomaculum I | 46 | 46 | 46 | +c | ||||||
| Desulfotomaculum II | 48 | 48 | — | +c | ||||||
| Thermodesulfobacterium | 39 | — | — | − | ||||||
| Aquificales + Desulfurobacterium + Thermovibrio | 55 | 55 | 55 | −d | ||||||
| Geobacillus | — | 53 | — | + | ||||||
| Thermus | — | 52 | 52 | − | ||||||
a
+, identification successful; −, identification failed.
b
—, hybridization at background level.
c
Morphotypes similar to known representatives of these genera were observed in enrichment cultures.
d
No cultivation attempts were made for these organisms.