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1.
Rev. bras. parasitol. vet ; 29(1): e020019, 2020. tab, graf
Article in English | LILACS | ID: biblio-1092690

ABSTRACT

Abstract Knowledge of the Arabian Gulf fish's parasite fauna is very poor. Until recently, only scattered reports from different locations are known for ecto- and endoparasites. Therefore, the present study aimed to investigate the digenean species that infects one of the most economically fish species in the Arabian Gulf, the rosy goatfish Parupeneus rubescens . One plagiorchiid species has been described, belonging to the Gorgoderidae family, and has been named as Phyllodistomum vaili Ho, Bray, Cutmore, Ward & Cribb, 2014 based on its morphological and morphometric characteristics. In order to accurately classify and characterize this plagiorchiid species, molecular analysis was carried out using both nuclear 18S and 28S rRNA gene regions and revealed that the present plagiorchiid species was associated with other species belonging to the Gorgoderidae family and deeply embedded in the Phyllodistomum genus, closely related to the previously described P. vaili (gb- KF013187.1, KF013173.1). The present study therefore revealed that the species Phyllodistomum is the first account as endoparasites from the rosy goatfish inhabiting the Arabian Gulf.


Resumo O conhecimento da fauna de parasitas dos peixes do Golfo Árabe é escasso. Atualmente, apenas relatórios dispersos de diferentes locais são conhecidos para ecto e endoparasitas. Portanto, o presente estudo teve como objetivo investigar as especies digenéticas que infectam uma das espécies economicamente mais importantes do Golfo Arábico, o peixe-cabra rosado Parupeneus rubescens . Uma espécie de plagiorquídeo foi descrita, pertencente à família Gorgoderidae e foi denominada Phyllodistomum vaili Ho, Bray, Cutmore, Ward & Cribb, 2014, com base em suas propriedades morfológicas e morfométricas. A fim de classificar e caracterizar com precisão essa espécie de plagiorquídeo, a análise molecular foi realizada usando as regiões nucleares do gene 18S e 28S rRNA, revelando que a atual espécie de plagiorchídeo estava associada a outras espécies pertencentes à família Gorgoderidae e, profundamente incorporada ao gênero Phyllodistomum , intimamente relacionado ao P. vaili descrito anteriormente (gb - KF013187.1, KF013173.1). O presente estudo revelou, portanto, que a espécie Phyllodistomum vailli é o primeiro relato como endoparasita do peixe-cabra rosado que habita o Golfo Arábico.


Subject(s)
Animals , Trematoda/isolation & purification , Perciformes/parasitology , Fish Diseases/parasitology , Phylogeny , Saudi Arabia , Trematoda/classification , Trematoda/genetics , DNA, Ribosomal/genetics , RNA, Ribosomal, 18S , RNA, Ribosomal, 28S
2.
Rev. peru. biol. (Impr.) ; 24(2)mayo 2017.
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1508820

ABSTRACT

Se registra por primera vez para Perú a Cricocephalus albus (Digenea: Pronocephalidae) en la tortuga verde del Pacífico oriental (Chelonia mydas agassizii). Los parásitos fueron colectados durante la necropsia de una tortuga verde varada en el estuario de Virrilá localizado en la provincia de Sechura, Departamento de Piura, Perú. El presente trabajo realiza una breve descripción de C. albus, así como la discusión de sus hospederos y distribución geográfica


Cricocephalus albus (Digenea: Pronocephalidae) is registered for first time in Peru in the East Pacific green turtle (Chelonia mydas agassizii). The parasites were collected during a necropsy carried out in a stranded sea turtle in the Virrilá estuary, located in the Sechura province of Piura, Peru. The specimens were studied morphologically and identified as C. albus. The current work describes C. albus, as well as the discussion of its hosts and geographic distribution

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