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2023•Genetics and Molecular BiologyOpen access

Molecular identification of Austrodiplostomum sp., an eye parasite among farmed tambaqui in Amazonia

Eduardo Freitas de Farias, Hallana Cristina Menezes da Silva, Ana Paula Costa de Carvalho, Rodrigo de Melo Martins, Andréa Belém-Costa, Wallice Paxiúba Duncan, Ana Lúcia Silva Gomes, Daniele Aparecida Matoso

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Abstract

Austrodiplostomum Szidat & Nani, 1951 is a genus of parasitic digenetic trematodes widely distributed in the Neotropical region. Infects a wide variety of species, families and requests for freshwater fish. We identify samples of Austrodiplostomum sp, based on metacercariae isolates from eyes of tambaqui (Colossoma macropomum), a fish of high commercial importance in Brazil, and widely consumed by the population of the northern region. The sequences obtained clustered with A. compactum. This is the first report of the occurrence of diplostomids in farmed tambaqui in Amazonia.

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Austrodiplostomum Szidat & Nani, 1951 is a genus of parasitic digenetic trematodes widely distributed in the Neotropical region. Infects a wide variety of species, families and requests for freshwater fish. We identify samples of Austrodiplostomum sp, based on metacercariae isolates from eyes of tambaqui (Colossoma macropomum), a fish of high commercial importance in Brazil, and widely consumed by the population of the northern region. The sequences obtained clustered with A. compactum. This is the first report of the occurrence of diplostomids in farmed tambaqui in Amazonia.

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Available abstract

Austrodiplostomum Szidat & Nani, 1951 is a genus of parasitic digenetic trematodes widely distributed in the Neotropical region. Infects a wide variety of species, families and requests for freshwater fish. We identify samples of Austrodiplostomum sp, based on metacercariae isolates from eyes of tambaqui (Colossoma macropomum), a fish of high commercial importance in Brazil, and widely consumed by the population of the northern region. The sequences obtained clustered with A. compactum. This is the first report of the occurrence of diplostomids in farmed tambaqui in Amazonia.

Key concepts: Tambaqui, Biology, Amazon rainforest, Parasite hosting, Fish <Actinopterygii>, Zoology, Population, Identification (biology)

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Molecular identification of Austrodiplostomum sp., an eye parasite among farmed tambaqui in Amazonia — Research Paper | ScholarLens