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Detection and Characterization of Plum Pox Potyvirus（PPV）by DAS-ELISA and RT-PCR / RFLP Analysis in Turkey
Enzyme-linked immunosorbent assay plum pox potyvirus restriction analysis reverse transcription-polymerase chain reaction
2009/1/13
This study was conducted to determine the presence of plum pox virus (PPV) (family Potyviridae, genus Potyvirus) in different regions of Turkey and to characterize PPV isolates by serological and mol...
Bt菌株C0 0 2对水稻二化螟、甜菜夜蛾具有高毒力 ,PCR RFLP鉴定含有cry1Aa、cry2Ab、cry1Ca和未知杀虫蛋白基因cryX等 ,其中cry1Ca位于染色体DNA 6～ 9kb的EcoRI片段。染色体和质粒DNA分别经EcoRI完全酶切和Sau3AI部分酶切、电泳回收 6～ 9kb片段。E.coli Bt穿梭载体pHT315分别与目的DNA连接、转化大肠杆菌感受态细胞后获得了...
采用PCR-RFLP技术在不同水平上鉴定大豆根瘤菌
大豆 根瘤菌 遗传多样性 限制性酶切片段长度多态性
2007/12/17
采用16S rRNA基因PCR扩增与限制性酶切片段多态性分析(RFLP)技术对选自弗氏中华根瘤菌(S.fredii)、大豆慢生根瘤菌(B.japonicum)和埃氏慢生根瘤菌(B.elkanii)的19株代表菌进行了比较分析，根据用3种限制性内切酶的RFLP分析结果，可将供试菌株分为S.fredii,B.japonicum, B.elkanii Ⅱ和B.elkanii Ⅱa等4种基因型。各类菌株之...