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Acta Parasitologica

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Volume 61, Issue 3 (Sep 2016)

Issues

Redescription of Oswaldocruzia chambrieri (Strongylida: Molineidae) from Rhinella margaritifera (Anura: Bufonidae) in Caxiuanã National Forest, Brazil

Yuri Willkens
  • Laboratório de Biologia Celular e Helmintologia "Profa. Dra. Reinalda Marisa Lanfredi" – Instituto de Ciências Biológicas, Universidade Federal do Pará, Brazil
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Arnaldo Maldonado Jr
  • Laboratório de Biologia e Parasitologia de Mamíferos Silvestres Reservatórios, Instituto Oswaldo Cruz – Pavilhão Arthur Neiva, Brazil
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Jeannie Nascimento dos Santos
  • Laboratório de Biologia Celular e Helmintologia "Profa. Dra. Reinalda Marisa Lanfredi" – Instituto de Ciências Biológicas, Universidade Federal do Pará, Brazil
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Gleomar Fabiano Maschio
  • Laboratório Multidisciplinar da Biologia a Distância, Instituto de Ciências Biológicas, Universidade Federal do Pará, Brazil
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Francisco Tiago de Vasconcelos Melo
  • Corresponding author
  • Laboratório de Biologia Celular e Helmintologia "Profa. Dra. Reinalda Marisa Lanfredi" – Instituto de Ciências Biológicas, Universidade Federal do Pará, Brazil
  • Email
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Published Online: 2016-07-21 | DOI: https://doi.org/10.1515/ap-2016-0076

Abstract

Oswaldocruzia chambrieri Ben Slimane et Durette-Desset, 1993 is redescribed from specimens collected from the small intestine of the South American common toad, Rhinella margaritifera, from Caxiuanã National Forest in Pará, Brazil, using light and scanning microscopy and molecular analysis of Cytochrome Oxidase I (COI) - coding regions of DNA. The discovered nematodes are characterized by a type III caudal bursa with two papillae, rays 4 with a median groove, and spicules divided into a blade, a shoe and a fork. Cervical alae are absent, the cephalic vesicle is divided into two portions, and the synlophe has low ridges without chitinous supports. The present study establishes the Caxiuanã National Forest as a new location for O. chambrieri, which had previously been reported as a parasite of R. margaritifera in Ecuador, uses light microscopy and scanning electron microscopy (SEM) to identify new morphological characters of the species and represents the second molecular sequence deposited for the Oswaldocruzia genus.

Keywords: Nematodes; Trichostrongyloidea; new morphological data; Brazilian Amazon

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About the article

Received: 2016-03-01

Revised: 2016-03-28

Accepted: 2016-03-31

Published Online: 2016-07-21

Published in Print: 2016-09-01


Citation Information: Acta Parasitologica, ISSN (Online) 1896-1851, ISSN (Print) 1230-2821, DOI: https://doi.org/10.1515/ap-2016-0076.

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