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Parasitology Research

, Volume 117, Issue 4, pp 1087–1093 | Cite as

Morphological features and molecular phylogeny of Hoferellus azevedoi n. sp. (Myxozoa: Myxobilatidae) found in Chaetobranchus flavescens Heckel, 1840 (Teleostei: Cichlidae) from Marajó Island, northern Brazil

  • Patricia Santos Matos
  • Diehgo Tuloza da Silva
  • Igor Hamoy
  • Edilson Matos
Original Paper

Abstract

Hoferellus azevedoi n. sp. was found in the urinary bladder of Chaetobranchus flavescens Heckel, 1840 from the Arari River on Marajó Island in Pará, Brazil. This is the first record of a species of the genus Hoferellus in a host from the Brazilian Amazon region. The new species has disporous and polysporous plasmodia, which vary in size and shape, with some being found adhered to the epithelium of the urinary bladder, and others floating in the liquid. The mature spores are sub-spherical in the sutural view, with a number of peripheral projections around the whole surface of the spore. In the sutural view, the spores are 5.3 ± 0.2 (5.2–5.6) μm in length and 7.0 ± 0.7 (6.3–7.7) μm in width, with two piriform polar capsules of equal size, 2.5 ± 0.2 (2.3–2.8) μm long and 1.8 ± 0.2 (1.6–2.0) μm wide. Based on a partial (1312 bps) sequence of the SSU rDNA gene, Hoferellus azevedoi n. sp. was distinguished from all the other myxozoan species deposited in GenBank. Phylogenetically, based on Bayesian inference and p-distances, the new species was allocated to the “Freshwater Urinary-Bladder” clade, together with other myxozoan parasites of the excretory system. Based on the morphological data, supported by the partial sequence of the SSU rDNA gene, we describe a new species of myxozoan, Hoferellus azevedoi n. sp.

Keywords

Amazon basin Freshwater fish, 18S rDNA Microparasites 

Notes

Acknowledgements

This work was financially supported by Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (PVE - Programa Pesquisador Visitante Especial 88887.125002/2-14-00); Conselho Nacional de Desenvolvimento Científico e Tecnológico (Produtividade em Pesquisa, N° 300949/2012-0); Conselho Nacional de Desenvolvimento Científico e Tecnológico (UNIVERSAL, N° 441645/2014-3); FUNDAÇÃO AMAZÔNIA DE AMPARO A ESTUDOS E PESQUISAS (EDITAL, 006/2014, ICAAF 162/2014). We woud like to thank you for MSc. Douglas Aviz for identifying the species of fish.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Patricia Santos Matos
    • 1
  • Diehgo Tuloza da Silva
    • 1
  • Igor Hamoy
    • 2
  • Edilson Matos
    • 1
    • 3
  1. 1.Postgraduate Programme in the Biology of Infectious and Parasitic Agents (BAIP)Federal University of Pará (UFPa)Belém, ParáBrazil
  2. 2.Laboratory of Applied GeneticsFederal Rural University of Amazonia (UFRA)BelémBrazil
  3. 3.Carlos Azevedo Research LaboratoryFederal Rural University of the Amazon (UFRA)BelémBrazil

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