Prevalence and genetic diversity of Echinorhynchus gymnocyprii (Acanthocephala: Echinorhynchidae) in schizothoracine fishes (Cyprinidae: Schizothoracinae) in Qinghai-Tibetan Plateau, China.

Parasites & Vectors
Meng-Tong LeiYan-Ming Zhang

Abstract

The schizothoracine fishes, an excellent model for several studies, is a dominant fish group of the Qinghai-Tibet Plateau (QTP). However, species populations have rapidly declined due to various factors, and infection with Echinorhynchus gymnocyprii is cited as a possible factor. In the present study, the molecular characteristics of E. gymnocyprii in four species of schizothoracine fishes from the QTP were explored. We investigated the infection status of E. gymnocyprii in 156 schizothoracine fishes from the upper Yangtze River, upper Yellow River, and Qinghai Lake in Qinghai Province, China. The complete internal transcribed spacer (ITS) of the ribosomal RNA (rRNA) gene and part of the mitochondrial cytochrome c oxidase subunit 1 (cox1) gene of 35 E. gymnocyprii isolates from these fishes were sequenced and their characteristics analyzed. In addition, we inferred phylogenetic relationships of the E. gymnocyprii populations based on the rRNA-ITS and cox1 sequences. The total prevalence of E. gymnocyprii in schizothoracine fishes was 57.69% (90/156). However, the prevalence among different species as well as that across the geographical locations of the schizothoracine fishes was significantly different. The results of sequence...Continue Reading

References

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Oct 18, 2013·Molecular Biology and Evolution·Koichiro TamuraSudhir Kumar
Nov 23, 2013·Folia Parasitologica·Omar M Amin
Dec 18, 2013·Acta Parasitologica·Krzysztof Zdzitowiecki, Zdzisław Laskowski
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Jan 15, 2019·Molecular Phylogenetics and Evolution·Yongtao TangKai Zhao

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Datasets Mentioned

BETA
EF107648
EF107647
MT169741
MT169761
KP261017
KP261014

Methods Mentioned

BETA
PCR
electrophoresis

Software Mentioned

BLAST
MEGA
DNASP
Clustal X
TCS
SPSS
DNAStar
Clustul X
ModelFinder
IQ tree

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