Transcriptomics

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The SSUP-72/PINN-1 module is required for efficient 3’end processing and coordinates developmental gene expression during exit from diapause in C. elegans [RNAseq-suppression]

ABSTRACT: During the exit from the developmental diapause of Caenorhabditis elegans (C. elegans), a network of growth and developmental genes is activated. These genes are organized into operons, where transcriptional termination is uncoupled from mRNA 3’-end processing. Although the Pol II CTD-S2P mark deposited by CDK-12 is unnecessary during embryogenesis, it plays a critical role in the timely expression of most operonic genes by enhancing SL2 trans-splicing at position 2 and above. This process protects mRNA from degradation and prevents termination. Here, a genetic screen has identified the SSUP-72/PINN-1 module as an effective suppressor of CDK-12-induced defects. Our data show that the SSUP-72/PINN-1 module regulates intra-operon termination and affects 3’ pausing genome-wide, coordinating growth and developmental gene expression during post-embryonic development in C. elegans.

ORGANISM(S): Caenorhabditis elegans

PROVIDER: GSE263774 | GEO | 2025/02/08

REPOSITORIES: GEO

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