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Parasitology Research

, Volume 115, Issue 6, pp 2505–2510 | Cite as

Ultrastructural description of Myxobolus cuneus (Myxosporea) in the skeletal muscle and kidney of tropical farmed fish Piaractus mesopotamicus (Characiformes: Characidae)

  • Wilson Gómez Manrique
  • Mayra Araguaia Pereira Figueiredo
  • Marco Antonio de Andrade Belo
  • Maurício Laterça Martins
  • Carlos Azevedo
Short Communication

Abstract

This study characterizes by transmission electron microscopy (TEM) and morphometric features the myxozoan Myxobolus cuneus (Myxosporea) in Piaractus mesopotamicus and reports the skeletal muscle and kidney as site of infection. The register was based in 21 young fish from intensive fish farming in Southeast Brazil and the spores were analyzed in fresh-mounted slides of the infected organs stained with Toluidine blue and processed as usual for TEM. It differs from Myxobolus cunhai from the fish host and different polar capsule size, and from Myxobolus serrasalmi on the pyriform spore shape and an oval macrospore, differently to that reported in this study. Morphometric characteristics and TEM study confirmed the present material as M. cuneus.

Keywords

Freshwater fish Pacu Myxozoa Transmission electron microscopy 

Notes

Acknowledgments

The authors thank Maria Teresa Picinoto Maglia and Jose Augusto Maulin (Technical of the Transmission Electron Microscopy Laboratory, USP-FMRP, Ribeirão Preto, Brazil) and the Nacional Council of Scientific and Technological Development (CNPq) for grant to M.L. Martins (CNPq 305869-2014-8).

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Copyright information

© Springer-Verlag Berlin Heidelberg 2016

Authors and Affiliations

  • Wilson Gómez Manrique
    • 1
  • Mayra Araguaia Pereira Figueiredo
    • 2
  • Marco Antonio de Andrade Belo
    • 1
    • 3
  • Maurício Laterça Martins
    • 4
  • Carlos Azevedo
    • 5
  1. 1.Department of Veterinary PathologyCamilo Castelo Branco UniversityDescalvadoBrazil
  2. 2.Department of Parasitology, Institute for Biomedical SciencesUniversity of São PauloSão PauloBrazil
  3. 3.Department of Preventive Veterinary MedicineSão Paulo State UniversityJaboticabalBrazil
  4. 4.Aquatic Organisms Health Laboratory, Aquaculture DepartmentFederal University of Santa CatarinaFlorianópolisBrazil
  5. 5.Department of Cell Biology, Institute of Biomedical SciencesUniversity of PortoPortoPortugal

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