期刊
TRENDS IN BIOCHEMICAL SCIENCES
卷 45, 期 11, 页码 923-934出版社
CELL PRESS
DOI: 10.1016/j.tibs.2020.07.004
关键词
-
资金
- National Institutes of Health [R35-GM119735, K99-GM131028]
The Integrator complex is conserved across metazoans and controls the fate of many nascent RNAs transcribed by RNA polymerase II (RNAPII). Among the 14 subunits of Integrator is an RNA endonuclease that is crucial 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 to shape the transcriptome and ensure that genes can be robustly induced when needed. The molecular functions of Integrator subunits beyond the RNA endonuclease remain poorly understood, but some can act independently of the multisubunit complex. We highlight recent molecular insights into Integrator and propose how misregulation of this complex may lead to developmental defects and disease.
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