Okavirus
Encyclopedia
Okavirus is a genus of virus
. It is the only genus in the family (Roniviridae) in the order Nidovirales
. Okaviruses infect crustacean
s, mostly prawn
s.
The type species is Gill-associated virus.
The name is derived from the 'Oka' or lymphoid organ in which the viruses are commonly detected and in which pathology occurs during acute infections. Lymphoid organs are anatomical structures common to penaeid shrimp.
Virus
A virus is a small infectious agent that can replicate only inside the living cells of organisms. Viruses infect all types of organisms, from animals and plants to bacteria and archaea...
. It is the only genus in the family (Roniviridae) in the order Nidovirales
Nidovirales
The Nidovirales are an order of viruses with animal hosts. It includes the families Coronaviridae, Arterivirus and Roniviridae.-Virology:...
. Okaviruses infect crustacean
Crustacean
Crustaceans form a very large group of arthropods, usually treated as a subphylum, which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill and barnacles. The 50,000 described species range in size from Stygotantulus stocki at , to the Japanese spider crab with a leg span...
s, mostly prawn
Prawn
Prawns are decapod crustaceans of the sub-order Dendrobranchiata. There are 540 extant species, in seven families, and a fossil record extending back to the Devonian...
s.
The type species is Gill-associated virus.
The name is derived from the 'Oka' or lymphoid organ in which the viruses are commonly detected and in which pathology occurs during acute infections. Lymphoid organs are anatomical structures common to penaeid shrimp.