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Slow transcriptional elongation causes embryonic lethality and perturbs kinetic coupling of long neural genes

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Mus musculus

PROVIDER: GSE127741 | GEO | 2019/04/15

REPOSITORIES: GEO

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Slow transcriptional elongation causes embryonic lethality and perturbs kinetic coupling of long neural genes [4sURDB-Seq]

Project description:The rate of RNA Polymerase II (RNAPII) elongation has an important role in the control of Alternative splicing (AS); however, the in vivo consequences of an altered elongation rate are unknown. Here, we generated mouse embryonic stem cells (ESCs) knocked-in for a slow elongating form of RNAPII. We show that a reduced transcriptional elongation rate results in early embryonic lethality in mice and impairs the differentiation of ESCs into the neural lineage. This is accompanied by changes in splicing and in gene expression in ESCs and along the pathway of neuronal differentiation. In particular, we found a crucial role for RNAPII elongation rate in transcription and splicing of long neuronal genes involved in synapse signaling. The impact of the kinetic coupling of RNAPII elongation rate with AS is more predominant in ESC-differentiated neurons than in pluripotent cells. Our results demonstrate the requirement for an appropriate transcriptional elongation rate to ensure proper gene expression and to regulate AS during development.

2019-04-15 | GSE127740 | GEO

Slow transcriptional elongation causes embryonic lethality and perturbs kinetic coupling of long neural genes [RNA-seq]

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