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Morphological and molecular characterization of Apatemon sp. infecting killifish in Mozambique

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NEZHYBOVÁ Veronika BLAŽEK Radim KAŠNÝ Martin SLAIMKOVÁ Daniela LEONTOVYČ Roman ONDRAČKOVÁ Markéta

Rok publikování 2019
Druh Článek v odborném periodiku
Časopis / Zdroj Parasitology International
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www https://www.sciencedirect.com/science/article/pii/S138357691830312X?via%3Dihub
Doi http://dx.doi.org/10.1016/j.parint.2019.101967
Klíčová slova Apatemon; Strigeidae; Nothobranchius furzeri; Morphology; Africa; Taxonomy
Popis Strigeid trematodes of the genus Apatemon Szidat, 1928 are intestinal parasites of fish-eating birds, utilizing various fish species as second intermediate hosts. In this study, we report morphometrical and molecular characterization of Apatemon sp. metacercariae parasitizing killifish Nothobranchius furzeri (Cyprinodontiformes: Nothobranchiidae) in south-east Mozambique. Metacercariae obtained from the cerebral cavity of killifish and two adult individuals isolated from experimentally infected ducklings were used for detailed morphological and molecular description, both resulting in generic affiliation to Apatemon. This is the first molecularly confirmed record of this trematode genus in Africa. Considering the morphological variability and wide host range of individual Apatemon species, the combination of both morphological and molecular analyses is indispensable for valid identification of this parasite. The results of our molecular analysis together with phylogenetic reconstruction indicated the presence of a new African lineage, reflecting potentially high diversity within the genus Apatemon comparable with other digenean genera.
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