Table 13: The Genus Thermococcus
|
| Species |
Location |
Morphology |
- Temperature
- (optimum, °C)
|
- pH Range
- (Optimum)
|
Metabolism |
Electron Donor |
Electron Acceptor |
Comments |
Ref. |
| Thermococcus aggregans |
Deep-sea hydrothermal vent, Guaymas Basin, Mexico |
Cocci; non-motile |
- 60-94
- (88)
|
- 5.6-7.9
- (7)
|
O |
Proteinaceous substrates; yeast extract |
Organics |
S(0) enhances growth |
- Canganella et al. (1998)
|
| Thermococcus guaymasensis |
Deep-sea hydrothermal vent, Guaymas Basin, Mexico |
Cocci; non-motile |
- 56-90
- (88)
|
- 5.6-8.1
- (7.2)
|
O |
Proteinaceous substrates; yeast extract |
Organics |
S(0) enhances growth |
Canganella et al. (1998) |
| Thermococcus pacificus |
Thermally heated bottom deposits, Bay of plenty, New Zealand |
Cocci; motile |
- 70-95
- (80-88)
|
- 6-8
- (6.5)
|
O |
Peptone; yeast extract; starch |
S(0); organics |
S(0) required |
Miroshnichenko et al. (1998a) |
| Thermococcus zilligii |
Terrestrial hot spring, Rotorua, New Zealand |
Cocci; non-motile |
- 55-85
- (75)
|
- 5.4-9.2
- (7.4)
|
O |
Yeast extract; tryptone; casein |
S(0); cysteine; oxidized glutathione |
S(0) enhances growth |
Klages and Morgan (1994) |
| Thermococcus waiotapuensis |
Champagne Pool, Wai-O-Tapu, New Zealand |
Cocci; motile |
- 65-90
- (85)
|
- 5-8
- (7)
|
O |
Yeast extract, peptides |
S(0); cysteine |
|
Gonzales et al. (1999) |
| Thermococcus aegaeicus |
Shallow marine vent, Palaeochori Bay, Greece |
Cocci; non-motile |
- 50-95
- (88-90)
|
- 4.5-7.5
- (6)
|
O |
Yeast extract; peptone; tryptone; starch |
Organics |
S(0) enhances growth; no starch used in the presence of H2 |
Arab et al. (2000) |
