Table 7: The Order Thermotogales
|
| Species |
Location |
Morphology |
- Temperature
- (optimum, °C)
|
- pH Range
- (Optimum)
|
Metabolism |
Electron Donor |
Electron Acceptor |
Comments |
Ref. |
| Thermotoga maritima |
Shallow marine hot springs, Italy and Azores |
Rods with sheaths; 1.5-11 micrometers long; motile |
- 55-90
- (80)
|
- 5.5-9
- (6.5)
|
O |
Glucose; ribose; xylose; galactose; sucrose; maltose; starch; glycogen; yeast extract; cell extracts |
Organics |
Growth inhibited by high amounts of H2; can be reversed with S(0) |
- Huber et al.(1986)
|
| Thermotoga neapolitana |
Shallow marine hot springs, Lucrino, Italy |
Rods with sheaths; 1.5-11 micrometers long; non-motile |
- 55-90
- (80)
|
- 5.5-9
- (7)
|
O |
Ribose; xylose; glucose; sucrose; maltose; lactose; galactose; starch; glycogen; cell extracts |
Organics |
Growth inhibited by high amounts of H2; can be reversed with S(0) |
Jannasch et al. (1988) |
| Thermotoga thermarum |
Shallow hot springs; low salinity, from Lac Abbe, Djibouti, Africa |
Rods with sheaths; 1.5-11 micrometers long; motile |
- 55-84
- (70)
|
- 6-9
- (7)
|
O |
Fructose; raffinose; salicin; cellulose; cell extracts |
Organics |
Grows at lower salt concentrations than other thermotoga spp. |
Windberger et al. (1989) |
| Thermotoga subterranea |
Deep, continental oil reservoir, East Paris Basin, France |
Rods with sheaths; 3 micrometers long |
- 50-75
- (70)
|
- 6-8.5
- (7)
|
O |
Yeast extract; peptone; tryptone; casein |
Organics |
Strictly anaerobic; no growth in presence of H2 or S(0) |
Jeanthon et al. (1995) |
| Thermosipho africanus |
Shallow marine hot spring, Gulf of Tadjoura, Africa |
Rods with sheaths; 3-4 micrometers long |
- 35-77
- (75)
|
- 6-8
- (7.2)
|
O |
Yeast extract; peptone; tryptone; carbohydrates |
Organics; S2O3(2-) |
Requirement for cysteine; inhibition by H2 or S(0) |
Huber et al. (1989) |
