ArticleNature communications2023
PAPγ associates with PAXT nuclear exosome to control the abundance of PROMPT ncRNAs.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 16 citations in OpenAlex.
- Review
- MTR4 deficiency attenuates abdominal aortic aneurysm progression through suppressing VSMC senescence via the MTR4-RAP1a axis.iScience · 2026Article
- ZC3H14 phosphorylation is required for nuclear speckle assembly during zygotic splicing activation in mice.EMBO reports · 2026Article
- Mechanisms of transcription termination across the coding and noncoding loci of the genome.Nature reviews. Molecular cell biology · 2026Review
- Nuclear exosome targeting complexes modulate cohesin binding and enhancer-promoter interactions in 3D.Nature communications · 2026Article
- Article
- Direct coupling of the human nuclear exosome adaptors NEXT and PAXT with transcription termination and processing machineries.Nucleic acids research · 2026Article
- Review
- NRDE2 Interacts with an Early Transcription Elongation Complex and Widely Impacts Gene Expression.International journal of molecular sciences · 2025Article
- Antagonistic roles by the conserved nuclear poly(A)-binding proteins PABPN1 and ZC3H14 in nuclear RNA surveillance.Nucleic acids research · 2025Article
- RNA 3'end tailing safeguards cells against products of pervasive transcription termination.Nature communications · 2024Article
- Phosphorylation of the nuclear poly(A) binding protein (PABPN1) during mitosis protects mRNA from hyperadenylation and maintains transcriptome dynamics.Nucleic acids research · 2024Article
Corrections and comments
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Authors and funding
11 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pervasive transcription of the human genome generates an abundance of RNAs that must be processed and degraded. The nuclear RNA exosome is the main RNA degradation machinery in the nucleus. However, nuclear exosome must be recruited to its substrates by targeting complexes, such as NEXT or PAXT. By proteomic analysis, we identify additional subunits of PAXT, including many orthologs of MTREC found in S. pombe. In particular, we show that polyA polymerase gamma (PAPγ) associates with PAXT. Genome-wide mapping of the binding sites of ZFC3H1, RBM27 and PAPγ shows that PAXT is recruited to the TSS of hundreds of genes. Loss of ZFC3H1 abolishes recruitment of PAXT subunits including PAPγ to TSSs and concomitantly increases the abundance of PROMPTs at the same sites. Moreover, PAPγ, as well as MTR4 and ZFC3H1, is implicated in the polyadenylation of PROMPTs. Our results thus provide key insights into the direct targeting of PROMPT ncRNAs by PAXT at their genomic sites.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.