Neoparamoeba Pemaquidensis
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Neoparamoeba Pemaquidensis
Neoparamoeba pemaquidensis is a single-celled species of marine amoebozoan in the genus Neoparamoeba. The species is also called ''Paramoeba pemaquidensis''. Its closely related sister species, ''Neoparamoeba perurans,'' is the agent of amoebic gill disease Amoebic gill disease (AGD) is a potentially fatal disease of some marine fish. It is caused by '' Neoparamoeba perurans'', the most important amoeba in cultured fish. It primarily affects farm raised fish of the family Salmonidae, most notably aff ..., which affects Atlantic salmon and other farmed fishes. References Amoebozoa genera {{Amoebozoa-stub ...
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Amoebozoa
Amoebozoa is a major taxonomic group containing about 2,400 described species of amoeboid protists, often possessing blunt, fingerlike, lobose pseudopods and tubular mitochondrial cristae. In traditional and currently no longer supported classification schemes, Amoebozoa is ranked as a phylum within either the kingdom Protista or the kingdom Protozoa. In the classification favored by the International Society of Protistologists, it is retained as an unranked " supergroup" within Eukaryota. Molecular genetic analysis supports Amoebozoa as a monophyletic clade. Modern studies of eukaryotic phylogenetic trees identify it as the sister group to Opisthokonta, another major clade which contains both fungi and animals as well as several other clades comprising some 300 species of unicellular eukaryotes. Amoebozoa and Opisthokonta are sometimes grouped together in a high-level taxon, variously named Unikonta, Amorphea or Opimoda. Amoebozoa includes many of the best-known amoeboid orga ...
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Neoparamoeba
''Neoparamoeba'' is a genus of Amoebozoa. Species contain intracellular kinetoplastid parasites, of the genus '' Perkinsela'', which are maintained in close contact with the nucleus and are considered obligatory and mutualistic. References Amoebozoa genera Discosea {{Amoebozoa-stub ...
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Amoebic Gill Disease
Amoebic gill disease (AGD) is a potentially fatal disease of some marine fish. It is caused by '' Neoparamoeba perurans'', the most important amoeba in cultured fish. It primarily affects farm raised fish of the family Salmonidae, most notably affecting the Tasmanian Atlantic salmon (''Salmo salar'') industry, costing the A$20 million a year in treatments and lost productivity. Turbot, bass, bream, sea urchins and crabs have also been infected. The disease has also been reported affecting the commercial salmon fisheries of the United States, Australia, New Zealand, France, Spain, Ireland and Chile. It was first diagnosed in the summer of 1984/1985 in populations of Atlantic salmon off the east coast of Tasmania and was found to be caused by ''N. perurans'' n.sp. Clinical signs and diagnosis Symptoms typically begin to appear two months after the fish are transferred from freshwater hatcheries to open net sea cages. Symptoms include mucus build-up on the gills of infected fish a ...
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