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Licensed Unlicensed Requires Authentication Published by De Gruyter December 28, 2016

Morphological and molecular characterization of Cucullanus bourdini Petter et Le Bel, 1992 (Ascaridida: Cucullanidae) from the yellowback fusilier Caesio xanthonota Bleeker (Perciformes: Caesionidae)

Zhen Xu, Hui-Xia Chen, Hui-Dong Ju and Liang Li
From the journal Acta Parasitologica

Abstract

The detailed morphology of Cucullanus bourdiniPetter et Le Bel, 1992 was further studied using both light and scanning electron microscopy, based on specimens collected from the yellowback fusilier Caesio xanthonota Bleeker (Perciformes: Caesionidae) from off the Taiwan Strait. In addition, C. bourdini was characterized genetically for the first time using molecular approaches by sequencing and analysing ribosomal [small ribosomal subunit (18S rDNA) and internal transcribed spacer 2 (ITS-2)] and mitochondrial [cytochrome c oxidase subunit 1 (cox1)] target regions. The molecular analysis of C. bourdini displayed no nucleotide differences in the 18S sequences, but detected 0.20–2.82% and 0.52–1.04% nucleotide divergence in the ITS-2 and cox1 regions, respectively. The new morphological and genetic data obtained herein would enable us to identify this hitherto little known species more rapidly and accurately.

Acknowledgements

This study was supported by the Natural Science Foundation of Hebei Province (No. C2016402118).

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Received: 2016-10-3
Revised: 2016-11-3
Accepted: 2016-11-10
Published Online: 2016-12-28
Published in Print: 2017-3-1

© 2017 W. Stefański Institute of Parasitology, PAS