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Supplemental diagnosis and molecular taxonomy of Myxobolus diaphanus (myxozoa) parasitizing Fundulus diaphorus (Cyprinalontidal) in Nova Scotia, Canada

DOITrouver le DOI : https://doi.org/10.14411/fp.2005.029
AuteurRechercher : ; Rechercher : 1
Affiliation
  1. Conseil national de recherches Canada. Institut des biosciences marines du CNRC
FormatTexte, Article
SujetMyxozoa; Myxobolus diaphanus; supplemental diagnosis; Fundulus diaphanus; Nova Scotia
Résumé
Myxobolus diaphanus (Fantham, Porter et Richardson, 1940) was found in banded killifish Fundulus diaphanus (Lesueur) at several freshwater localities in Nova Scotia, including the type locality at the mouth of the Salmon River, Guysborough County. The new material, the first to be reported in 64 years, was used to supplement information on spore morphology, to document the site of development in the tissue, and to compare sequence data of the 18S rDNA to other studied myxobolids. Plasmodia with developed spores occurred in loose connective tissue of the head, the dermis (particularly in the roof of the mouth and at the base of fins), surface of the brain and ovary, muscle epimysium, and the submucosa of the intestine. Developed plasmodia containing spores were also found free in the lumen of the vena cava and within fluid-filled spaces of the skull, mandible and lower jaw. A phylogenetic analysis using 18S rDNA (878 bp) placed M. diaphanus in a terminal clade containing certain freshwater species of Henneguya, all of which occur in North America and have elongate spore bodies.
Date de publication
Dans
  • Folia Parasitologica 52, nº 3 (octobre 2005) : 217–222.
Langueanglais
Publications évaluées par des pairsOui
Numéro du CNRCNRCC 42474
1393
Numéro NPARC3538342
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Identificateur de l’enregistrement2973ab7c-ef41-41bb-82db-76c42bf31954
Enregistrement créé2009-03-01
Enregistrement modifié2020-04-07

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