• 文献检索
  • 文档翻译
  • 深度研究
  • 学术资讯
  • Suppr Zotero 插件Zotero 插件
  • 邀请有礼
  • 套餐&价格
  • 历史记录
应用&插件
Suppr Zotero 插件Zotero 插件浏览器插件Mac 客户端Windows 客户端微信小程序
定价
高级版会员购买积分包购买API积分包
服务
文献检索文档翻译深度研究API 文档MCP 服务
关于我们
关于 Suppr公司介绍联系我们用户协议隐私条款
关注我们

Suppr 超能文献

核心技术专利:CN118964589B侵权必究
粤ICP备2023148730 号-1Suppr @ 2026

文献检索

告别复杂PubMed语法,用中文像聊天一样搜索,搜遍4000万医学文献。AI智能推荐,让科研检索更轻松。

立即免费搜索

文件翻译

保留排版,准确专业,支持PDF/Word/PPT等文件格式,支持 12+语言互译。

免费翻译文档

深度研究

AI帮你快速写综述,25分钟生成高质量综述,智能提取关键信息,辅助科研写作。

立即免费体验

由聚(dA-dT)和组蛋白八聚体重构的核小体核心。

Nucleosome cores reconstituted from poly (dA-dT) and the octamer of histones.

作者信息

Rhodes D

出版信息

Nucleic Acids Res. 1979;6(5):1805-16. doi: 10.1093/nar/6.5.1805.

DOI:10.1093/nar/6.5.1805
PMID:450714
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC327812/
Abstract

In this paper we describe a detailed investigation of the reconstitution of nucleosome cores from poly (dA-dT) and the octamer of histones. We also attempted the reconstitution from the copolymers poly dA.poly dT, poly dG.poly dC and poly (dG-dC). The repeat of the reconstituted chromatin fibre is discussed. The micrococcal nuclease released poly (dA-dT) core particle is found to contain a considerably narrower DNA size distribution that of the native random DNA nucleosome core (12). In addition we have succeeded in obtaining small crystals of the poly (dA-dT) nucleosome core. The DNAase I digestion pattern of the poly (dA-dT) containing nucleosome core is presented. The periodicity of DNAase I cutting sites is found to be about 10.5 bases and is similar to that of the native nucleosome core (12, 13).

摘要

在本文中,我们描述了对由聚(dA-dT)和组蛋白八聚体重构核小体核心的详细研究。我们还尝试从共聚物聚dA·聚dT、聚dG·聚dC和聚(dG-dC)进行重构。讨论了重构染色质纤维的重复序列。发现微球菌核酸酶释放的聚(dA-dT)核心颗粒所含DNA的大小分布比天然随机DNA核小体核心(12)的要窄得多。此外,我们成功获得了聚(dA-dT)核小体核心的小晶体。给出了含聚(dA-dT)核小体核心的DNA酶I消化模式。发现DNA酶I切割位点的周期性约为10.5个碱基,与天然核小体核心(12, 13)相似。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dd9/327812/37e883f43375/nar00446-0072-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dd9/327812/45b97a31a788/nar00446-0069-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dd9/327812/5aa5ca64d297/nar00446-0071-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dd9/327812/acf1384535af/nar00446-0071-b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dd9/327812/37e883f43375/nar00446-0072-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dd9/327812/45b97a31a788/nar00446-0069-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dd9/327812/5aa5ca64d297/nar00446-0071-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dd9/327812/acf1384535af/nar00446-0071-b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1dd9/327812/37e883f43375/nar00446-0072-a.jpg

相似文献

1
Nucleosome cores reconstituted from poly (dA-dT) and the octamer of histones.由聚(dA-dT)和组蛋白八聚体重构的核小体核心。
Nucleic Acids Res. 1979;6(5):1805-16. doi: 10.1093/nar/6.5.1805.
2
Studies on synthetic chromatins containing poly(dA-dT) X poly(dA-dT) and poly(dG-dC) X poly(dG-dC).关于含有聚(dA-dT)×聚(dA-dT)和聚(dG-dC)×聚(dG-dC)的合成染色质的研究。
Biochim Biophys Acta. 1983 Jan 20;739(1):85-96. doi: 10.1016/0167-4781(83)90048-9.
3
Cromatin and core particles formed from the inner histones and synthetic polydeoxyribonucleotides of defined sequence.由内部组蛋白和特定序列的合成多脱氧核糖核苷酸形成的染色质和核心颗粒。
Nucleic Acids Res. 1979 Apr;6(4):1387-415. doi: 10.1093/nar/6.4.1387.
4
Poly(dA).poly(dT) rich sequences are not sufficient to exclude nucleosome formation in a constitutive yeast promoter.富含聚(dA).聚(dT)的序列不足以排除组成型酵母启动子中的核小体形成。
Nucleic Acids Res. 1990 Jun 25;18(12):3495-502. doi: 10.1093/nar/18.12.3495.
5
Mechanism of a reversible, thermally induced conformational change in chromatin core particles.染色质核心颗粒中可逆热诱导构象变化的机制
J Biol Chem. 1979 Oct 25;254(20):10123-7.
6
Core nucleosomes by digestion of reconstructed histone-DNA complexes.通过消化重组的组蛋白-DNA复合物获得核心核小体。
Nucleic Acids Res. 1979 Apr;6(4):1449-65. doi: 10.1093/nar/6.4.1449.
7
An alternating conformation characterizes the phosphodiester backbone of poly(dA-dT) in solution.溶液中聚(dA-dT)的磷酸二酯主链具有交替构象。
J Biol Chem. 1979 Sep 10;254(17):8125-8.
8
Interactions of poly (N epsilon , N epsilon , N epsilon ,-trimethyllysine) and poly(lysine) with polynucleotides: circular dichroism and A-T sequence selectivity.
Biochemistry. 1981 Aug 4;20(16):4761-5. doi: 10.1021/bi00519a036.
9
Conformation of DNA in chromatin core particles containing poly(dAdT)-poly(dAdT) studied by 31 P NMR spectroscopy.通过31P核磁共振光谱研究含聚(dAdT)-聚(dAdT)的染色质核心颗粒中DNA的构象。
Nucleic Acids Res. 1979 Sep 25;7(2):481-92. doi: 10.1093/nar/7.2.481.
10
A model chromatin assembly system. Factors affecting nucleosome spacing.一种典型的染色质组装系统。影响核小体间距的因素。
J Mol Biol. 1984 Sep 15;178(2):341-63. doi: 10.1016/0022-2836(84)90148-7.

引用本文的文献

1
X-ray Structure Characterization of the Selective Recognition of AT Base Pair Sequences.AT碱基对序列选择性识别的X射线结构表征
ACS Bio Med Chem Au. 2023 Apr 5;3(4):335-348. doi: 10.1021/acsbiomedchemau.3c00002. eCollection 2023 Aug 16.
2
Coupling between Sequence-Mediated Nucleosome Organization and Genome Evolution.序列介导的核小体组织与基因组进化的偶联。
Genes (Basel). 2021 Jun 1;12(6):851. doi: 10.3390/genes12060851.
3
Breaking the paradigm: early insights from mammalian DNA breakomes.打破范式:哺乳动物 DNA 断裂组的早期见解。

本文引用的文献

1
Internal structure of the chromatin subunit.染色质亚基的内部结构。
Nucleic Acids Res. 1974 Nov;1(11):1573-8. doi: 10.1093/nar/1.11.1573.
2
Resolution of multiple ribonucleic acid species by polyacrylamide gel electrophoresis.通过聚丙烯酰胺凝胶电泳分离多种核糖核酸种类
Biochemistry. 1967 Jun;6(6):1818-27. doi: 10.1021/bi00858a033.
3
Helix formation by dAT oligomers. I. Hairpin and straight-chain helices.dAT寡聚物形成螺旋。I. 发夹螺旋和直链螺旋。
FEBS J. 2022 May;289(9):2409-2428. doi: 10.1111/febs.15849. Epub 2021 May 1.
4
Molecular Mechanism of Spontaneous Nucleosome Unraveling.自发核小体解开的分子机制。
J Mol Biol. 2019 Jan 18;431(2):323-335. doi: 10.1016/j.jmb.2018.11.013. Epub 2018 Nov 20.
5
DNA structure directs positioning of the mitochondrial genome packaging protein Abf2p.DNA结构指导线粒体基因组包装蛋白Abf2p的定位。
Nucleic Acids Res. 2017 Jan 25;45(2):951-967. doi: 10.1093/nar/gkw1147. Epub 2016 Nov 29.
6
The chromatin environment shapes DNA replication origin organization and defines origin classes.染色质环境塑造DNA复制起点的组织形式并定义起点类别。
Genome Res. 2015 Dec;25(12):1873-85. doi: 10.1101/gr.192799.115. Epub 2015 Nov 11.
7
Temperature effect on poly(dA).poly(dT): molecular dynamics simulation studies of polymeric and oligomeric constructs.温度对聚(dA)·聚(dT)的影响:聚合物和寡聚物结构的分子动力学模拟研究
J Comput Aided Mol Des. 2014 Jul;28(7):735-49. doi: 10.1007/s10822-014-9755-x. Epub 2014 May 28.
8
Poly(dA:dT)-rich DNAs are highly flexible in the context of DNA looping.富含聚(dA:dT)的 DNA 在 DNA 环化的情况下具有高度的柔韧性。
PLoS One. 2013 Oct 11;8(10):e75799. doi: 10.1371/journal.pone.0075799. eCollection 2013.
9
Core promoter T-blocks correlate with gene expression levels in C. elegans.核心启动子 T 块与秀丽隐杆线虫中的基因表达水平相关。
Genome Res. 2011 May;21(5):707-17. doi: 10.1101/gr.113381.110. Epub 2011 Mar 2.
10
Nucleosome structural studies.核小体结构研究。
Curr Opin Struct Biol. 2011 Feb;21(1):128-36. doi: 10.1016/j.sbi.2010.11.006. Epub 2010 Dec 19.
J Mol Biol. 1968 Sep 28;36(3):291-304. doi: 10.1016/0022-2836(68)90156-3.
4
The specificity of pancreatic deoxyribonuclease.胰腺脱氧核糖核酸酶的特异性。
Eur J Biochem. 1973 Dec 3;40(1):143-7. doi: 10.1111/j.1432-1033.1973.tb03178.x.
5
Specific sites of interaction between histones and DNA in chromatin.染色质中组蛋白与DNA之间的特定相互作用位点。
Proc Natl Acad Sci U S A. 1974 Oct;71(10):4101-5. doi: 10.1073/pnas.71.10.4101.
6
Letter: The structure of polydeoxyguanylic acid with polydeoxycytidylic acid.信函:聚脱氧鸟苷酸与聚脱氧胞苷酸的结构
J Mol Biol. 1974 Sep 15;88(2):551-2. doi: 10.1016/0022-2836(74)90502-6.
7
Structures for the polynucleotide complexes poly(dA) with poly (dT) and poly(dT) with poly(dA) with poly (dT).聚(dA)与聚(dT)以及聚(dT)与聚(dA)和聚(dT)形成的多核苷酸复合物的结构
J Mol Biol. 1974 Sep 15;88(2):509-21. doi: 10.1016/0022-2836(74)90498-7.
8
Chain length determination of small double- and single-stranded DNA molecules by polyacrylamide gel electrophoresis.通过聚丙烯酰胺凝胶电泳测定小双链和单链DNA分子的链长
Biochemistry. 1975 Aug 26;14(17):3787-94. doi: 10.1021/bi00688a010.
9
Electron microscopic and biochemical evidence that chromatin structure is a repeating unit.电子显微镜和生化证据表明染色质结构是一个重复单元。
Cell. 1975 Apr;4(4):281-300. doi: 10.1016/0092-8674(75)90149-x.
10
Electron microscopy of defined lengths of chromatin.特定长度染色质的电子显微镜观察。
Proc Natl Acad Sci U S A. 1975 Sep;72(9):3320-2. doi: 10.1073/pnas.72.9.3320.