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TMV Resistance Improvement of Agrobacterium-Mediated Transgenic Tomato with PacPAP from Phytolacca acinosa
Author(s): CHEN Guo-ju, ZHAO Shuang, LEI Jian-jun, CAO Bi-hao, ZENG Guo-ping
Pages: 422-
425
Year: 2008
Issue:
3
Journal: JOURNAL OF HUAZHONG AGRICULTURAL UNIVERSITY
Keyword: 中国商陆; 商陆抗病毒蛋白基因; 遗传转化; 番茄;
Abstract: 以中国商陆(Phytolacca acinosa)叶片为材料,经PCR从基因组扩增克隆缺失无毒型抗病毒蛋白基因.采用叶盘法转化番茄,对转基因植株T1代摩擦接种TMV,50d后统计发病情况.结果表明:克隆得到缺失无毒型PAP基因PacPAP,大小为714bp,与美洲商陆抗病毒蛋白基因的同源性为99.7%,GenBank登陆号为AY603353;得到PacPAP整合入番茄基因组中的阳性植株11株,检测的4个转基因番茄株系均达到抗病级别,对照为感病.
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