Chromatin fiber structure: morphology, molecular determinants, structural transitions.

Chromatin fiber structure: morphology, molecular determinants, structural transitions.
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染色质纤维结构:形态、分子决定因素、结构转变。

DOI:
10.1016/s0006-3495(98)77963-9
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发表时间:
1998
影响因子:
3.4
通讯作者:
vanHolde,K
vanHolde,K
中科院分区:
生物学3区
文献类型:
--
作者:
Zlatanova,J;Leuba,SH;vanHolde,K

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尽管经过 20 多年的研究,染色质纤维的结构及其分子决定因素仍然是个谜。高分辨率显微技术的最新发展,以及数学模型在染色质纤维结构中的应用,使得人们对结构及其决定因素有了一些新的认识。在这里,我们提供了一些关于染色质纤维在伸展和压缩状态下的结构的最新数据,并将这些新知识与旧数据结合起来,试图提供染色质成分如何相互作用以形成其各种构象的统一视图。还讨论了转录激活及其停止期间发生的结构转变。很明显,尽管我们对纤维结构及其动力学的理解取得了一些进展,但巨大的差距仍然存在。弥合这些差距需要进一步改进现有技术并引入全新的方法。
Despite more than 20 years of research, the structure of the chromatin fiber and its molecular determinants remain enigmatic. Recent developments in high-resolution microscopic techniques, as well as the application of mathematical modeling to chromatin fiber structure, have allowed the acquisition of some new insights into the structure and its determinants. Here we present some of the newest data on the structure of the chromatin fiber in both its extended and compacted states, and bring together this new knowledge with older data in an attempt to provide a unified view of how chromatin components interact with each other to form its various conformations. The structural transitions that are believed to take place during transcriptional activation and its cessation are also discussed. It becomes obvious that despite some progress in our understanding of the fiber structure and its dynamics, huge gaps continue to exist. Bridging these gaps will require further improvements in already available techniques and the introduction of completely new approaches.
低离子强度下连接组蛋白和组蛋白 H3 的结构域在染色质纤维结构中的作用:部分胰蛋白酶化染色质的扫描力显微镜 (SFM) 研究
DOI: 10.1117/12.205930
发表时间: 1995
期刊: Proc. VLDB Endow.
影响因子: --
作者:
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通讯作者: K. V. van Holde
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通讯作者: PRUNELL, A
DOI: --
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影响因子: 4
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DOI: 10.1083/jcb.93.2.285
发表时间: 1982-05
影响因子: 7.8
作者:
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DOI: 10.1083/jcb.131.6.1365
发表时间: 1995-12
期刊: The Journal of cell biology
影响因子: --
作者:
Bednar J;Horowitz RA;Dubochet J;Woodcock CL
通讯作者: Woodcock CL