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New perspectives on Nephridiacanthus major (Acanthocephala: Oligacanthorhynchidae) collected from hedgehogs in Iran

Published online by Cambridge University Press:  02 March 2020

O.M. Amin Open the ORCID record for O.M. Amin [Opens in a new window] ,
M. Sharifdini ,
R.A. Heckmann  and
M. Zarean
O.M. Amin*
Affiliation:
Institute of Parasitic Diseases, 11445 E Via Linda 2-419, Scottsdale, Arizona85259, USA
M. Sharifdini
Affiliation:
Cellular and Molecular Research Center, Guilan University of Medical Sciences, Rasht, Iran Department of Medical Parasitology and Mycology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
R.A. Heckmann
Affiliation:
Department of Biology, Brigham Young University, 1114 MLBM, Provo, Utah84602, USA
M. Zarean
Affiliation:
Department of Parasitology and Mycology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
*
Author for correspondence: O.M. Amin, E-mail: omaramin@aol.com
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Abstract

We describe morphological features not previously reported for this old acanthocephalan Nephridiacanthus major (Bremser, 1811 in Westrumb, 1821) Golvan, 1962 first described over 200 years ago. Our specimens were collected from long-eared hedgehog Hemiechinus auritus (Gmelin, 1770) (Erinaceidae) in Iran. We compare the morphometrics of our material with others previously reported from the same host in Iran, Russia, central Asia and Europe. Our specimens had markedly smaller proboscides, proboscis hooks and lemnisci than those reported from Russia and central Asia, but comparable measurements of other structures with specimens previously described from other collections. We document our new observations with scanning electron microscopy features not previously demonstrable by other observers and provide a chemical analysis of proboscis hooks using energy-dispersive X-ray analysis for the first time. The molecular profile of this acanthocephalan, based on 18S rDNA and cox1 genes, was generated for the first time. The phylogenetic analysis showed that N. major is placed in a clade of the family Oligacanthorhynchidae, well separated from the families Moniliformidae and Gigantorhynchidae.

Keywords

Molecular analysisNephridiacanthus majorHemiechinus auritusIran
Type
Research Paper
Information
Journal of Helminthology , Volume 94 , 2020 , e133
Copyright
Copyright © The Author(s) 2020. Published by Cambridge University Press

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