Canadian Medical Guide > Organisms > Archaea > Crenarchaeota Terms and Definitions

Crenarchaeota

Medical Definition:	A kingdom in the domain ARCHAEA comprised of thermoacidophilic, sulfur-dependent organisms. The two orders are SULFOLOBALES and THERMOPROTEALES.
Guide Notes:	a kingdom of the domain Archaea
Previously Indexed:	Archaea (1990-1997)

Crenarchaeota Categories.

	Desulfurococcales - An order of CRENARCHAEOTA comprised of irregular coccoid to disc-shaped, hyperthermophiles, and found in submarine hydrothermal systems and solfataric hot springs.
	Sulfolobales - An order of CRENARCHAEOTA consisting of aerobic or facultatively aerobic, chemolithotrophic cocci which are extreme thermoacidophiles. They lack peptidoglycan in their cell walls.
	Thermoproteales - An order of CRENARCHAEOTA comprised of rod, disc, or spherical shaped, nonseptate, anaerobic, extreme thermophiles and found in solfataric hot waters, mud holes, and superheated submarine environments.

Crenarchaeota Medical Definitions and Terms

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