无病毒基因的病毒载体 gutless vectors
在此研究中，纽约大学医学院的科研人员将无毒的基因修饰病毒注入帕金森病人的脑内。
For the study scientists at the New York University School of Medicine injected the brains of Parkinson's patients with a harmless virus which was genetically modified.
无毒基因已在多种植物病原物，包括真菌、细菌、病毒和卵菌等中得到克隆。
Avr genes have been cloned from a variety of pathogens including fungi, bacteria, viruses and oomycetes.
淫羊藿多糖具有调节免疫、抗病毒、抗衰老等功能，安全无毒，具有良好的开发前景。
Epimedium polysaccharides exhibit anti-virus, anti-senile and immunoregulatory effects without toxicity, and present a good developmental prospective.
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