Prevalence and Genetic Characterization of Toxoplasma Gondii in Pet Dogs in Central China

Overview

Journal Korean J Parasitol

Specialty Parasitology

Date 2015 Mar 10

PMID 25748720

Citations 8

Authors

Wei-Feng Qian

Wen-Chao Yan

Tian-Qi Wang

Kai Zhai

Li-Fang Han

Chao-Chao Lv

Affiliations

Soon will be listed here.

Abstract

The prevalence and genotype of Toxoplasma gondii infection in dogs in Henan Province, Central China was investigated. A total of 125 blood samples were collected from pet dogs during April to June 2013, and all samples were examined by indirect hemagglutination antibody test (IHA) and nested PCR. The overall T. gondii prevalence in pet dogs was 24.0% (30/125), with 20.8% (26/125) in IHA and 10.4% (13/125) in PCR, respectively. No statistical associations were found between animal gender and age and the prevalence of T. gondii infection. Thirteen positive DNA samples were genotyped using 11 PCR-RFLP markers, including SAG1, (3'+5') SAG2, alt.SAG2, SAG3, BTUB, GRA6, c22-8, c29-2, L358, PK1, and Apico. Of these, only 2 samples were genotyped with complete data for all loci, and a novel genotype (type III at SAG3 and GRA6 loci, and type I at other loci) was identified. This is the first report of genetic characterization of T. gondii infection in dogs in China.

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