TABLE 2.

Strains used in this studya

StrainHabitatTemp (°C)
Thermotoga
    T. maritima MSB8bGeothermal heated seafloor, Vulcano, Italy55-90 (80)
    Thermotoga sp. strain RQ2bGeothermal heated seafloor, Ribeira Quente, the Azores76-82
    T. naphthophila RKU-10cDeep subterranean oil reservoir in Niigata, Japan48-86 (80)
    T. petrophila RKU-1cDeep subterranean oil reservoir in Niigata, Japan47-88 (80)
    T. neapolitana NS-ETdShallow submarine hot spring, Naples, Italy55-90 (80)
    T. neapolitana LA4eShore of Lac Abbé, Djibouti82
    T. neapolitana LA10eShore of Lac Abbé, Djibouti87
    Thermotoga sp. strain RQ7bGeothermal heated seafloor, Ribeira Quente, the Azores76-82
    Thermotoga sp. strain SG1eBoiling beach during volcanic eruption, Sangeang Island, Indonesia85
    Thermotoga sp. strain SL7fOil reservoir, Paris basin50-75 (70)
    Thermotoga sp. strain KOL6eSubmarine hydrothermal system, Kolbeinsey ridge, north of Iceland90
    T. thermarum LA3gDjibouti
    T. subterranea SL1hContinental oil reservoir, Paris Basin50-75 (70)
Fervidobacterium
    F. islandicumiHot spring, Iceland50-80 (65)
    F. pennavoransjHot spring, San Miguel, the Azores50-80 (70)
    F. nodosumkHot spring, New Zealand65-80 (70)
Thermosipho africanuslMarine hydrothermal system, Obock, Djibouti35-77 (75)
  • a T. maritima MSB8 and Thermotoga sp. strain RQ2 were used in the subtraction study, while the other strains were included in the Southern analysis. For characterized strains, the temperature range and optimal temperature (in parentheses) are given.

  • b Reference 22. Cell mass from RQ2 and RQ7 was a gift from Karl O. Stetter. MSB8 DNA was obtained from The Institute for Genomic Research.

  • c Reference 54. DNA was a gift from Yoh Takahata.

  • d Reference 25. Cell mass was a gift from Karl O. Stetter.

  • e Personal communication from Karl O. Stetter. For this strain the temperature at the isolation site is given. Cell mass was a gift from Karl O. Stetter.

  • f Personal communication from Stéphane L'Haridon. DNA was a gift from Stéphane L'Haridon and Christian Jeanthon.

  • g Reference 59. Cell mass was a gift from Karl O. Stetter.

  • h Reference 26. DNA was a gift from Stéphane L'Haridon and Christian Jeanthon.

  • i Reference 24. Cell mass was a gift from Karl O. Stetter.

  • j Reference 17. DNA was a gift from Fiona Duffner.

  • k Reference 43. DNA was a gift from Stéphane L'Haridon and Christian Jeanthon.

  • l Reference 23. Cell mass was a gift from Karl O. Stetter.