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控制多瘤病毒晚期区域病毒DNA合成水平的顺式作用序列。

cis-acting sequences that control the level of viral DNA synthesis in the polyomavirus late region.

作者信息

Melucci-Vigo G, Ciotta C, Risuleo G

机构信息

Dipartimento di Genetica e Biologia Molecolare, Università di Roma La Sapienza, Italy.

出版信息

J Virol. 1989 Nov;63(11):4979-81. doi: 10.1128/JVI.63.11.4979-4981.1989.

DOI:10.1128/JVI.63.11.4979-4981.1989
PMID:2552181
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC251151/
Abstract

A deletion in the polyomavirus late region results in a drastic reduction of viral replication, as shown after transfection of viral DNA into 3T6 cells. This mutation is cis acting, since cotransfection with wild-type DNA did not restore the normal phenotype. Viral DNA synthesis returned to normal levels only after reintroduction of the authentic sequences in either orientation. The data presented here suggest that these sequences are involved in the binding of a factor(s) that controls the level of viral replication.

摘要

多瘤病毒晚期区域的缺失导致病毒复制急剧减少,如将病毒DNA转染到3T6细胞后所示。这种突变是顺式作用的,因为与野生型DNA共转染并不能恢复正常表型。只有在以任一方向重新引入真实序列后,病毒DNA合成才恢复到正常水平。此处呈现的数据表明,这些序列参与了控制病毒复制水平的一种或多种因子的结合。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445e/251151/9c67d05cb911/jvirol00078-0518-c.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445e/251151/5f2b7decdba1/jvirol00078-0518-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445e/251151/79a9e412d482/jvirol00078-0518-b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445e/251151/9c67d05cb911/jvirol00078-0518-c.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445e/251151/5f2b7decdba1/jvirol00078-0518-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445e/251151/79a9e412d482/jvirol00078-0518-b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/445e/251151/9c67d05cb911/jvirol00078-0518-c.jpg

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Induction of altered chromatin structures by simian virus 40 enhancer and promoter elements.猿猴病毒40增强子和启动子元件诱导染色质结构改变
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Non-contiguous segments of the polyoma genome required in cis for DNA replication.多瘤病毒基因组中DNA复制顺式作用所需的非连续片段。
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Curved DNA.弯曲DNA
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