Canadian Medical Guide > Organisms > Archaea > Euryarchaeota > Halobacteriales > Halobacteriaceae Terms and Definitions

Halobacteriaceae

Medical Definition:	A family of extremely halophilic archaea found in environments with high salt concentrations, such as salt lakes, evaporated brines, or salted fish. Halobacteriaceae are either obligate aerobes or facultative anaerobes and are divided into six genera: HALOARCULA, HALOBACTERIUM, HALOCOCCUS, HALOFERAX, NATRONOBACTERIUM, and NATRONOCOCCUS.
Guide Notes:	a family of Halobacteriales "found in environments with high salt concentrations"
Previously Indexed:	Bacteria (1966-1974),Pseudomonadaceae (1975)

Halobacteriaceae Categories.

	Haloarcula - A genus of HALOBACTERIACEAE distinguished from other genera in the family by the presence of specific derivatives of TGD-2 polar lipids. Haloarcula are found in neutral saline environments such as salt lakes, marine salterns, and saline soils.
	Halobacterium - A genus of HALOBACTERIACEAE whose growth requires a high concentration of salt. Binary fission is by constriction.
	Halococcus - A genus of extremely halophilic HALOBACTERIACEAE with coccoid cells occurring singly or as pairs, tetrads, or irregular clusters. They are found in neutral salt lakes, marine salterns, saline soils and seawater.
	Haloferax - A genus of extremely halophilic HALOBACTERIACEAE which are chemoheterotropic and strictly aerobic. They are found in neutral saline environments such as salt lakes (especially the Dead Sea) and marine salterns.
	Natronobacterium - A genus of rod-shaped, extremely halophilic HALOBACTERIACEAE which grows in alkaline conditions. They are strictly aerobic and some strains are motile. Natronobacterium is found in soda lakes, alkaline salterns, and soda soils.
	Natronococcus - A genus of coccoid, extremely halophilic HALOBACTERIACEAE which grows in alkaline conditions. They are nonmotile and strictly aerobic and are found in soda lakes, alkaline salterns, and soda soils.

Halobacteriaceae Medical Definitions and Terms

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