The Nepovirus are widely distributed in the temperate regions,and have a broad host range. Among them,several kinds of virus can cause severe economic losses.
线虫传多面体病毒属病毒在全世界温带地区均有分布,具有广泛的寄主范围,其中许多种病毒能够在农业生产中引起严重危害。
参考来源 - 线虫传多面体病毒属研究进展—《现代农业科技》—2010年第9期—龙源期刊网This may afford valuable information to the research of the expansion of host range.
从感染性来分析，可能亲缘关系近的病毒之间更容易引起原本不具备侵染性的病毒产生侵染特性，这可能为宿主域拓展的研究提供有价值的信息。
参考来源 - 柞蚕核型多角体病毒分子生物学及杆状病毒感染特性Transgenic mouse system has been instrumental in providing new insights into virus and its related medical aspects, especially to the virus whose host range is narrow.
转基因动物已成为研究新型病毒的一种工具，尤其对于宿主范围很窄的病毒。
参考来源 - 庚型肝炎病毒转基因小鼠模型的建立及其特性研究However, the investigators trying to apply bacteriophages to practical use all clearly realized that the anti- bacteria effects and applying range sometimes could be affected and limited by the narrow host range, one of the bacteriophage’s characteristics.
但试图将噬菌体引入实际应用的研究者都明确认识到,噬菌体宿主谱狭窄的特点有时会影响其应用效果,限制其应用范围。
参考来源 - 噬菌体的人工改造及其生物学效应研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Host range and cross infection of cytoplasmic polyhedrosis viruses from Dendrolimus SPP.
松毛虫质型多角体病毒的宿主域与交叉感染。
With the expansion of host range, surface of fish becomes dull, mucus secretion increase more, and the fish become weaker due to loss of appetite.
随着寄生范围的扩大，体表失去光泽，粘液分泌量增多，鱼因食欲减退而变得虚弱。
These parasporal bodies have been found to vary in their geometry, and it appears that the shape is related to host range and toxin effectiveness.
人们发现这些伴胞体几何形状不同并且表现出形状与寄主的类型和毒素的效力有关。
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