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禽白血病-肉瘤病毒、网状内皮组织增殖症病毒和鸡细胞的DNA聚合酶之间缺乏血清学关系。

Lack of serological relationship among DNA polymerases of avian leukosis-sarcoma viruses, reticuloendotheliosis viruses, and chicken cells.

作者信息

Mizutani S, Temin H M

出版信息

J Virol. 1973 Sep;12(3):440-8. doi: 10.1128/JVI.12.3.440-448.1973.

Abstract

Antibodies against a large and a small DNA polymerase isolated from chicken embryos and against avian myeloblastosis virus DNA polymerase were used to study the serological relationships of the DNA polymerase activities of three avian systems with RNA and a DNA polymerase-avian leukosis-sarcoma viruses, reticuloendotheliosis viruses, and a fraction from uninfected chicken cells. The DNA polymerase activity of disrupted virions of all avian leukosis-sarcoma viruses tested was neutralized to the same extent by antibody against avian myeloblastosis virus DNA polymerase and was not neutralized by the antibodies against chicken cellular DNA polymerases. The viruses tested included induced leukosis viruses and Rous-associated virus-O. The DNA polymerase activity of disrupted virions of all of the reticuloendotheliosis viruses was not neutralized by any of the antibodies. The chicken endogenous RNA-directed DNA polymerase activity was neutralized partially or completely, in different experiments, by antibody against the small DNA polymerase isolated from chicken embryos, but was not neutralized by the other two antibodies.

摘要

利用针对从鸡胚中分离出的一种大的和一种小的DNA聚合酶以及抗禽成髓细胞瘤病毒DNA聚合酶的抗体,来研究三种禽类系统的DNA聚合酶活性与RNA以及一种DNA聚合酶——禽白血病-肉瘤病毒、网状内皮组织增殖症病毒,还有来自未感染鸡细胞的一部分之间的血清学关系。所测试的所有禽白血病-肉瘤病毒的裂解病毒粒子的DNA聚合酶活性,被抗禽成髓细胞瘤病毒DNA聚合酶的抗体中和到相同程度,并且未被抗鸡细胞DNA聚合酶的抗体中和。所测试的病毒包括诱导性白血病病毒和劳氏相关病毒-O。所有网状内皮组织增殖症病毒的裂解病毒粒子的DNA聚合酶活性未被任何一种抗体中和。在不同实验中,鸡内源性RNA指导的DNA聚合酶活性被抗从鸡胚中分离出的小DNA聚合酶的抗体部分或完全中和,但未被其他两种抗体中和。

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