Table 9: Other Thermophilic Bacteria
|
| Species |
Location |
Morphology |
- Temperature
- (optimum, °C)
|
- pH Range
- (Optimum)
|
Metabolism |
Electron Donor |
Electron Acceptor |
Comments |
Ref. |
| Desulfurobacterium thermolithotropum |
Deep-sea hydrothermal vent; 23 deg N.; Mid-Atlantic Ridge |
Rod; 1-2 micrometers long; highly motile |
- 40-75
- (70)
|
- 4.4-7.5
- (6)
|
C |
H2 |
S2O3(2-); SO3(2-); S(0); polysulfides |
Strictly anaerobic |
- L' Haridon et al. (1998)
|
| Thermothrix azorensis |
Hot spring, San Miguel Island, Azores |
Rod; 2-5 micrometers long; filaments up to 70 micrometers |
- 60-87
- (76-78)
|
- 6-8.5
- (7-7.5)
|
C |
S2O3(2-); S(0); tetrathionate |
O2 |
Aerobic; beta-proteobacterium |
Odintsova et al. (1996) |
| Spirochaeta thermophila |
Hot spring, Raoul Island, Kermadec Archipelago, New Zealand |
Helical cells; regularly coiled; 16-20 micrometers long |
- 40-73
- (66-68)
|
- 5.9-7.7
- (7.5)
|
O |
Various sugars; cellulose; glycogen; starch; xylan; pullulan |
Organics |
Strictly anaerobic |
Aksenova et al. (1992) |
| Thermonema rossianum |
Marine hot spring, Bay of Naples, Italy |
Filamentous; non-motile |
- 35-65
- (60)
|
- 5.5-9.5
- (7-7.5)
|
O |
Casein; elastin; gelatin |
Organics |
Slightly halophilic; belongs to the Flexibacter-Cytophaga-Bacteroids group |
Tenreiro et al. (1997) |
