Evaluating an indirect rMPSP enzyme-linked immunosorbent assay for the detection of bovine Theileria infection in China
文献类型: 外文期刊
第一作者: Zhao, Shuaiyang
作者: Zhao, Shuaiyang;Liu, Junlong;Zhao, Hongxi;Li, Youquan;Xie, Junren;Liu, Aihong;Hassan, Muhammad-Adeel;Yin, Hong;Guan, Guiquan;Luo, Jianxun;Zhao, Hongxi;Yin, Hong
作者机构:
关键词: Bovine theileriosis;MPSP;ELISA;Theileria sinensis;Prevalence
期刊名称:PARASITOLOGY RESEARCH ( 影响因子:2.289; 五年影响因子:2.403 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Bovine theileriosis, a tick-borne protozoan disease caused by Theileria annulata, Theileria orientalis and Theileria sinensis, is widespread in China and is a serious economic problem for the Chinese livestock industry. In this study, recombinant major piroplasma surface proteins (MPSP) of T. annulata, T. orientalis and T. sinensis based on MPSP genes were expressed in Escherichia coli BL21(DE3). The immunogenicity and specificity of the three purified recombinant MPSP proteins were evaluated with the reference positive sera of T. annulata, T. orientalis, T. sinensis, Babesia bovis, B abesia bigemina, Babesia major, Babesia motasi, Theileria luwenshuni, Theileria uilenbergi and Anaplasma ovis using an enzyme-linked immunosorbent assay (ELISA) or western blotting. The results showed that all three of the rMPSP proteins had a strong reaction with the sera from cattle infected with T. annulata, T. orientalis and T. sinensis via western blotting but not with other piroplasma and Anaplasma species. Then, the rMPSP protein of T. sinensis was used to develop an iELISA for detecting the three Theileria species infections. The specificity and sensitivity were 95.7 and 95.5 %, respectively, with a threshold of 28.8 % of the specific mean antibody rate (AbR). Finally, 2473 field-collected bovine sera, from 42 prefectures of 17 provinces in China, were tested using the ELISA to evaluate the prevalence of bovine theileriosis, and the average positive rate was 43.6 %. The developed iELISA could be a suitable tool to detect the three bovine Theileria species, and the data also provided important information regarding the current prevalence of bovine theileriosis in China.
分类号: R53
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