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放线菌素D对RNA延伸的序列特异性抑制

Sequence-specific inhibition of RNA elongation by actinomycin D.

作者信息

Aivasashvilli V A, Beabealashvilli R S

出版信息

FEBS Lett. 1983 Aug 22;160(1-2):124-8. doi: 10.1016/0014-5793(83)80950-8.

DOI:10.1016/0014-5793(83)80950-8
PMID:6884501
Abstract

We have developed a method to localize specific sites where RNA elongation is arrested due to DNA-bound ligands. The method was used to determine apparent binding sites for actinomycin D. We have found 14 strong RNA hindrance sites along nucleotide sequence of T7 and D111 T7 DNA of 380 nucleotides full length under low actinomycin D concentration conditions. Nucleotide sequence of all the sites is described by general formula XGCY where X not equal to G and Y not equal to C.

摘要

我们开发了一种方法来定位由于与DNA结合的配体而导致RNA延伸停滞的特定位点。该方法用于确定放线菌素D的表观结合位点。在低浓度放线菌素D条件下,我们在全长380个核苷酸的T7和D111 T7 DNA的核苷酸序列中发现了14个强烈的RNA阻碍位点。所有位点的核苷酸序列由通式XGCY描述,其中X不等于G且Y不等于C。

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1
Sequence-specific inhibition of RNA elongation by actinomycin D.放线菌素D对RNA延伸的序列特异性抑制
FEBS Lett. 1983 Aug 22;160(1-2):124-8. doi: 10.1016/0014-5793(83)80950-8.
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[Transcription initiation: influence of ionic strength and actinomycin D on the kinetics of the open promoter complex formation between Escherichia coli RNA-polymerase and T7 DNA].[转录起始:离子强度和放线菌素D对大肠杆菌RNA聚合酶与T7 DNA之间开放启动子复合物形成动力学的影响]
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Comparison of in vitro transcriptions using various types of DNA templates.
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The nature of actinomycin D binding to d(AACCAXYG) sequence motifs.
放线菌素D与d(AACCAXYG)序列基序的结合性质。
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Deletion of individual mRNA capping genes is unexpectedly not lethal to Candida albicans and results in modified mRNA cap structures.单个mRNA加帽基因的缺失对白色念珠菌出人意料地并非致命,并且会导致mRNA帽结构发生改变。
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Crystal structure of actinomycin D bound to the CTG triplet repeat sequences linked to neurological diseases.与神经疾病相关的CTG三联体重复序列结合的放线菌素D的晶体结构。
Nucleic Acids Res. 2002 Nov 15;30(22):4910-7. doi: 10.1093/nar/gkf619.
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Photoaffinity approaches to determining the sequence selectivities of DNA-small molecule interactions: actinomycin D and ethidium.用于确定DNA-小分子相互作用序列选择性的光亲和方法:放线菌素D和溴化乙锭。
Nucleic Acids Res. 1995 Apr 11;23(7):1252-9. doi: 10.1093/nar/23.7.1252.