Seroprevalence and genetic characterization of Toxoplasma gondii in masked palm civet (Paguma larvata) in Hainan province, tropical China
文献类型： 外文期刊
作者： Hou, Guan-Yu 1 ; Zhao, Jun-Ming 2 ; Zhou, Han-Lin 1 ; Rong, Guang 1 ;
作者机构： 1.CATAS, Trop Crops Genet Resources Inst, Danzhou, Hainan Province, Peoples R China
2.CATAS, Sci & Tech Informat Inst, Danzhou, Hainan Province, Peoples R China
关键词： Toxoplasma gondii;Masked palm civet;Seroprevalence;Genotype
期刊名称：ACTA TROPICA （ 影响因子：3.112； 五年影响因子：3.002 ）
ISSN： 0001-706X
年卷期： 2016 年 162 卷
页码：
收录情况： SCI
摘要： In the present study, the seroprevalence, risk factors and genotyping of Toxoplasma gondii in masked palm civet were investigated in tropical China. A total of 500 serum were collected from five administrative farms in tropical China, and assayed for T. gondii antibodies by modified agglutination test (MAT). The brain samples of 20 aborted fetuses were examined by semi-nested-PCR, and positive aborted fetuses (50%) were necropsied to collect the brain tissue for molecular and bioassay examinations. Genomic DNA was extracted from the 29 brain tissues of infected mice and T. gondii B1 gene was amplified using multilocus PCR-RFLP. Overall, 27.6% (95% CI: 23.682-31.518) of the animals was positive for T. gondii antibodies. Ages of masked palm civet was considered as a main risk factor associated with T. gondii infection. 4 DNA samples (13.8%) were positive for the T. gondii B1 gene. Three samples belong to Tox-oDB#9, and one belongs to genotype the type II variant (ToxoDB genotype#3). Our results indicated that ToxoDB Genotype#9 has a distribution in masked palm civet that could be potential reservoirs for T. gondii transmission, which may pose a threat to human health. (C) 2016 Published by Elsevier B.V.
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