Canadian Medical Guide > Organisms > Bacteria > Gram-Negative Bacteria > Anaplasmataceae > Anaplasma Terms and Definitions

Anaplasma

Medical Definition:	A genus of gram-negative bacteria whose organisms are obligate parasites of vertebrates. Species are transmitted by arthropod vectors with the host range limited to ruminants. Anaplasma marginale is the most pathogenic species and is the causative agent of severe bovine anaplasmosis.
Guide Notes:	infection = ANAPLASMOSIS

Anaplasma Categories.

	Anaplasma centrale - A species of gram-negative bacteria causing mild ANAPLASMOSIS in CATTLE. It also can infect SHEEP and GOATS. It is transmitted by TICKS.
	Anaplasma marginale - A species of gram-negative bacteria and causative agent of severe bovine ANAPLASMOSIS. It is the most pathogenic of the ANAPLASMA species.
	Anaplasma ovis - A species of gram-negative bacteria producing mild to severe ANAPLASMOSIS in SHEEP and GOATS, and mild or inapparent infections in DEER and CATTLE.
	Anaplasma phagocytophilum - A species of gram-negative bacteria in the genus ANAPLASMA, family ANAPLASMATACEAE, formerly called Ehrlichia phagocytophila or Ehrlichia equi. This organism is tick-borne (IXODES) and causes disease in horses and sheep. In humans, it causes human granulocytic EHRLICHIOSIS.

Anaplasma Medical Definitions and Terms

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