Morphology and molecular phylogeny of a new Myxidium species (Cnidaria: Myxosporea) infecting the farmed turtle Podocnemis expansa (Testudines: Podocnemididae) in the Brazilian Amazon

Morphology and molecular phylogeny of a new Myxidium species (Cnidaria: Myxosporea) infecting the farmed turtle Podocnemis expansa (Testudines: Podocnemididae) in the Brazilian Amazon

Author Aguiar, Julio C. Google Scholar
Adriano, Edson A. Autor UNIFESP Google Scholar
Mathews, Patrick D. Google Scholar
Abstract This study reports, for the first time, a myxosporan species of the genus Myxidium in a Neotropical turtle. Myxidium turturibus n. sp., was found in the gall bladder of Podocnemis expansa (Testudines: Podocnemididae) farmed in Brazilian Amazon. Numerous disporic pseudoplasmodia in different developmental stages, and mature spores were free in the bile. Mature myxospores were fusiform, slightly arcuate in valval view, measuring 13.6 +/- 0.4 (13.1-15.1) mu m in length and 4.1 +/- 03 (3.4-4.6) mu m in width. The two polar capsules were piriform, with 3.4 +/- 0.4 (2.5-4.0) mu m in length and 2.4 +/- 0.4 (1.5-2.7) mu m in width and had five to six polar filament turns. Phylogenetic analysis inferred by 18S rDNA shows the new species closely related with M. hardella and M. chelonarum, which are parasites of freshwater/terrestrials turtles from Oriental Region. (C) 2016 Elsevier Ireland Ltd. All rights reserved.
Keywords Myxidium turturibus n. sp.
Myxozoa
Molecular analysis
Amazonian turtle
Brazil
xmlui.dri2xhtml.METS-1.0.item-coverage Clare
Language English
Sponsor Sao Paulo Research Foundation - FAPESP
FAPESP
National Council of Scientific and Technological Development (CNPq)
Grant number FAPESP: 2013/21374-6
FAPESP: 2013/14656-5
FAPESP: 2013/20770-5
CNPq: 305630/2013-0
Date 2017
Published in Parasitology International. Clare, v. 66, n. 1, p. 825-830, 2017.
ISSN 1383-5769 (Sherpa/Romeo, impact factor)
Publisher Elsevier Ireland Ltd
Extent 825-830
Origin http://dx.doi.org/10.1016/j.parint.2016.09.013
Access rights Closed access
Type Article
Web of Science ID WOS:000390505800005
URI https://repositorio.unifesp.br/handle/11600/55222

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