Slow chromatin dynamics enhances promoter accessibility to transcriptional condensates.
Slow chromatin dynamics enhances promoter accessibility to transcriptional condensates.
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慢染色质动力学增强启动子对转录浓缩物的可及性。
DOI:
10.1093/nar/gkab275
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发表时间:
2021-05-21
影响因子:
14.9
通讯作者:
Schiessel H
中科院分区:
文献类型:
--
作者:
Yamamoto T;Sakaue T;Schiessel H
Enhancers are DNA sequences at a long genomic distance from target genes. Recent experiments suggest that enhancers are anchored to the surfaces of condensates of transcription machinery and that the loop extrusion process enhances the transcription level of their target genes. Here, we theoretically study the polymer dynamics driven by the loop extrusion of the linker DNA between an enhancer and the promoter of its target gene to calculate the contact probability of the promoter to the transcription machinery in the condensate. Our theory predicts that when the loop extrusion process is active, the contact probability increases with increasing linker DNA length. This finding reflects the fact that the relaxation time, with which the promoter stays in proximity to the surface of the transcriptional condensate, increases as the length of the linker DNA increases. This contrasts the equilibrium case for which the contact probability between the promoter and the transcription machineries is smaller for longer linker DNA lengths.
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影响因子:
5.6
作者:
Lavelle C;Victor JM;Zlatanova J
通讯作者:
Zlatanova J
影响因子:
2.4
作者:
MARKO, JF;SIGGIA, ED
通讯作者:
SIGGIA, ED
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64.5
作者:
Boija A;Klein IA;Sabari BR;Dall'Agnese A;Coffey EL;Zamudio AV;Li CH;Shrinivas K;Manteiga JC;Hannett NM;Abraham BJ;Afeyan LK;Guo YE;Rimel JK;Fant CB;Schuijers J;Lee TI;Taatjes DJ;Young RA
通讯作者:
Young RA
影响因子:
64.8
作者:
通讯作者:
--
影响因子:
64.8
作者:
Guo, Yang Eric;Manteiga, John C.;Young, Richard A.
通讯作者:
Young, Richard A.