新兴的J亚群禽白血病病毒的独立分离株源自一个共同祖先。
Independent isolates of the emerging subgroup J avian leukosis virus derive from a common ancestor.
作者信息
Benson S J, Ruis B L, Garbers A L, Fadly A M, Conklin K F
机构信息
Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota Medical School, Minneapolis, Minnesota 55455, USA.
出版信息
J Virol. 1998 Dec;72(12):10301-4. doi: 10.1128/JVI.72.12.10301-10304.1998.
Abstract
A new subgroup of avian leukosis virus (ALV) that includes a unique env gene, designated J, was identified recently in England. Sequence analysis of prototype English isolate HPRS-103 revealed several other unique genetic characteristics of this strain and provided information that it arose by recombination between exogenous and endogenous virus sequences. In the past several years, ALV J type viruses (ALV-J) have been isolated from broiler breeder flocks in the United States. We were interested in determining the relationship between the U.S. and English isolates of ALV-J. Based on sequence data from two independently derived U.S. field isolates, we conclude that the U.S. and English isolates of ALV-J derive from a common ancestor and are not the result of independent recombination events.
摘要
最近在英国发现了禽白血病病毒（ALV）的一个新亚群，其中包含一个独特的env基因，命名为J。对英国原型分离株HPRS - 103的序列分析揭示了该毒株的其他几个独特遗传特征，并提供信息表明它是由外源性和内源性病毒序列之间的重组产生的。在过去几年中，已从美国的肉种鸡群中分离出ALV J型病毒（ALV-J）。我们感兴趣的是确定美国和英国的ALV-J分离株之间的关系。基于两个独立来源的美国田间分离株的序列数据，我们得出结论，美国和英国的ALV-J分离株源自一个共同祖先，并非独立重组事件的结果。
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本文引用的文献
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Some chickens which are viraemic with subgroup J avian leukosis virus have antibody-forming cells but no circulating antibody.一些感染J亚群禽白血病病毒的带毒鸡有抗体形成细胞，但没有循环抗体。
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