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Systematic assessment of nymphs of Diesingiinae (Pentastomida: Sebekidae) parasitizing Palloceros harpagos (Cyprinodontiformes: Poeciliidae) from Parque Nacional Iguazú, Argentina: filling gaps in an incomplete phylogenetic framework.
Montes, Martín Miguel; Barneche, Jorge; Legunda, Nicolas; Ferrari, Walter; Aguilar-Aguilar, Rogelio; Martorelli, Sergio Roberto.
Afiliação
  • Montes MM; Centro de Estudios Parasitológicos y Vectores (CEPAVE-UNLP-CONICET-), Boulevard 120 s/n e/60 y 64, C.P. 1900, La Plata, Buenos Aires, Argentina.
  • Barneche J; Centro de Estudios Parasitológicos y Vectores (CEPAVE-UNLP-CONICET-), Boulevard 120 s/n e/60 y 64, C.P. 1900, La Plata, Buenos Aires, Argentina.
  • Legunda N; Centro de Estudios Parasitológicos y Vectores (CEPAVE-UNLP-CONICET-), Boulevard 120 s/n e/60 y 64, C.P. 1900, La Plata, Buenos Aires, Argentina.
  • Ferrari W; Centro de Estudios Parasitológicos y Vectores (CEPAVE-UNLP-CONICET-), Boulevard 120 s/n e/60 y 64, C.P. 1900, La Plata, Buenos Aires, Argentina.
  • Aguilar-Aguilar R; Departamento de Biología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma de México, Circuito Exterior s/n, C.P. 04510, Ciudad Universitaria, Mexico.
  • Martorelli SR; Centro de Estudios Parasitológicos y Vectores (CEPAVE-UNLP-CONICET-), Boulevard 120 s/n e/60 y 64, C.P. 1900, La Plata, Buenos Aires, Argentina.
An Acad Bras Cienc ; 95(4): e20200668, 2023.
Article em En | MEDLINE | ID: mdl-37991102
During a search for parasites in fishes from Iguazu River, Argentina, a nymph of pentastomid was found encysted on mesenteries of Phalloceros harpagos. The 28S rDNA and COI mt-DNA were used to compare with the sequences deposited in the GenBank. Pentastomid nymphs belong to the subfamily Diesingiinae (Sebekidae) for having chloride cell pores distributed in a single row per annulus; also, the hooks and rows of spines of our material differ to other genera. Present specimens are most likely Diesingia sp., having 63-74 annuli, a U shaped oral cadre with fibers closing anteriorly and a peg like extension of the oral cadre. The 28S rDNA analysis places our samples into a sister group of Alofia sp., but the COI mt-DNA situate them on the base of the clade. In conclusion, our pentastomid positively belongs to Diesingia sp., however, indisputable assignation requires a reliable description of the nymph, or the availability of sequences linking nymphs and adults, which even could provide evidence of a new hitherto undescribed genus. Aditionally, the systematic position of Sebekia oxycephala previously described by P. harpagos is discussed on the basis of our results, allowing us to suggest a re-assignation of such specimens to the genus Diesingia.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Ciprinodontiformes / Pentastomídeos Limite: Animals País/Região como assunto: America do sul / Argentina Idioma: En Revista: An Acad Bras Cienc Ano de publicação: 2023 Tipo de documento: Article País de afiliação: Argentina País de publicação: Brasil
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Ciprinodontiformes / Pentastomídeos Limite: Animals País/Região como assunto: America do sul / Argentina Idioma: En Revista: An Acad Bras Cienc Ano de publicação: 2023 Tipo de documento: Article País de afiliação: Argentina País de publicação: Brasil