Development of loop-mediated isothermal amplification (LAMP) method for diagnosis of equine piroplasmosis
文献类型: 外文期刊
第一作者: Alhassan, Andy
作者: Alhassan, Andy;Thekisoe, Oriel M. M.;Yokoyama, Naoaki;Inoue, Noboru;Motloang, Makhosazana Y.;Mbati, Peter A.;Yin, Hong;Katayama, Yoshinari;Anzai, Toru;Sugimoto, Chihiro;Igarashi, Ikuo
作者机构:
关键词: equine piroplasmosis;Theileria equi;Babesia caballi;LAMP;PCR
期刊名称:VETERINARY PARASITOLOGY ( 影响因子:2.738; 五年影响因子:2.951 )
ISSN: 0304-4017
年卷期: 2007 年 143 卷 2 期
页码:
收录情况: SCI
摘要: Loop-mediated isothermal amplification (LAMP) is a novel nucleic acid method whereby DNA is amplified with high specificity, efficiency, and rapidity under isothermal conditions using a set of four specifically designed primers and a DNA polymerase with strand displacement activity. In this study, we used LAMP primer sets designed from EMA-1 and Bc 48 genes for detection of Theileria equi and Babesia caballi infections, respectively. These primer sets specifically amplified DNA of the respective parasites. Both primer sets amplified T equi and B. caballi up to 10(-6) dilution of 10-fold serially diluted samples. Furthermore, DNA extracted from blood collected from a horse experimentally infected with T equi was amplified by a T equi LAMP primer set from days 2 to 35 post-infection, demonstrating the high sensitivity of these primers. Of 55 samples collected from China, 81.8% and 56.3% were positively detected by LAMP for T equi and B. caballi infections, respectively. In contrast, 91.8% and 45.9% of the 37 samples collected from South Africa were LAMP positive for T equi and B. caballi, respectively. These results suggest that LAMP could be a potential diagnostic tool for epidemiological studies of equine piroplasmosis. (c) 2006 Elsevier B.V. All rights reserved.
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