Canadian Medical Guide > Organisms > Archaea > Euryarchaeota > Thermococcales > Thermococcaceae > Pyrococcus Terms and Definitions

Pyrococcus

Medical Definition:	A genus of strictly anaerobic ultrathermophilic archaea, in the family THERMOCOCCACEAE, occurring in heated seawaters. They exhibit heterotrophic growth at an optimum temperature of 100 degrees C.
Guide Notes:	a genus of archaea found in heated seawaters; THERMOCOCCUS, found in heated seawater, is also available
Previously Indexed:	Archaea (1989-1997)

Pyrococcus Categories.

	Pyrococcus abyssi - A species of gram-negative hyperthermophilic ARCHAEA found in deep ocean hydrothermal vents. It is an obligate anaerobe and obligate chemoorganotroph.
	Pyrococcus furiosus - A species of strictly anaerobic, hyperthermophilic archaea which lives in geothermally-heated marine sediments. It exhibits heterotropic growth by fermentation or sulfur respiration.
	Pyrococcus horikoshii - Anaerobic hyperthermophilic species of ARCHAEA, isolated from hydrothermal fluid samples. It is obligately heterotrophic with coccoid cells that require TRYPTOPHAN for growth.

Pyrococcus Medical Definitions and Terms

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