The Integrator Complex in Transcription and Development.
The Integrator Complex in Transcription and Development.
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DOI:
10.1016/j.tibs.2020.07.004
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发表时间:
2020-11
影响因子:
13.8
通讯作者:
Wilusz JE
中科院分区:
文献类型:
--
作者:
Mendoza-Figueroa MS;Tatomer DC;Wilusz JE
The Integrator complex is conserved across metazoans and controls the fate of many nascent RNAs transcribed by RNA polymerase II. Among its 14 subunits is an RNA endonuclease that is critical for the biogenesis of small nuclear RNAs and enhancer RNAs. Integrator is further employed to trigger premature transcription termination at many protein-coding genes, thereby attenuating gene expression. Integrator thus helps shape the transcriptome and ensures genes can be robustly induced when needed. Molecular functions for Integrator subunits beyond the RNA endonuclease remain poorly understood, but some can act independently of the multi-subunit complex. Here, we highlight recent molecular insights into Integrator and propose how mis-regulation of this complex may lead to developmental defects and disease.
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