Isolation and genotyping of Toxoplasma gondii from domestic rabbits in China to reveal the prevalence of type III strains

文献类型: 外文期刊

第一作者: Zhou, Yongzhi

作者: Zhou, Yongzhi;Zhang, Houshuang;Cao, Jie;Gong, Haiyan;Zhou, Jinlin

作者机构:

关键词: Toxoplasma gondii;Rabbits;Isolation;Genotype III

期刊名称:VETERINARY PARASITOLOGY ( 影响因子:2.738; 五年影响因子:2.951 )

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收录情况: SCI

摘要: In this study, Toxoplasma gondii antibodies in 77 free domestic rabbits from a rural area surrounding Shanghai, China were analyzed via ELISA, which identified 18 seropositive rabbits. One strain of T. gondii (designated SHR) was successfully isolatedfrom one seropositive rabbit using a mouse bioassay. The isolated T. gondii killed all BALB/c mice inoculated with 10~4 tachyzoites, indicating its virulence in mice. Mn-PCR-RFLP analysis was used to type parasites recovered from cell cultures. Furtheranalysis based on sequencing of a polymorphic intron revealed that the isolated strain contained a clonal type III genome, a rare finding in any host in China. This is the first reported isolation of T. gondii genotype III from rabbits in China. Our results suggested that type III strains are circulating in rabbits in China, which act as potential reservoirs of T. gondii transmission.

分类号: S85

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