Cited by 1,126RNA Research and SplicingRNA regulation and diseaseRNA and protein synthesis mechanisms

iCLIP reveals the function of hnRNP particles in splicing at individual nucleotide resolution

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König, Julian, Zarnack, Kathi, Rot, Gregor, Curk, Tomaž, Kayikci, Melis, Zupan, Blaž, Turner, Daniel J, Luscombe, Nicholas M +1 more·2010·Nature Structural & Molecular Biology

Abstract

In the nucleus of eukaryotic cells, nascent transcripts are associated with heterogeneous nuclear ribonucleoprotein (hnRNP) particles that are nucleated by hnRNP C. Despite their abundance, however, it remained unclear whether these particles control pre-mRNA processing. Here, we developed individual-nucleotide resolution UV cross-linking and immunoprecipitation (iCLIP) to study the role of hnRNP C in splicing regulation. iCLIP data show that hnRNP C recognizes uridine tracts with a defined long-range spacing consistent with hnRNP particle organization. hnRNP particles assemble on both introns and exons but remain generally excluded from splice sites. Integration of transcriptome-wide iCLIP data and alternative splicing profiles into an 'RNA map' indicates how the positioning of hnRNP particles determines their effect on the inclusion of alternative exons. The ability of high-resolution iCLIP data to provide insights into the mechanism of this regulation holds promise for studies of other higher-order ribonucleoprotein complexes.

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  • Recovery of chimeric fragments requires that reverse transcription read through the protein:RNA crosslink site.

    “Next, as recovery of chimeric fragments requires that the reverse transcription read through the protein:RNA crosslink site (rather than terminate at this adduct, as often occurs in CLIP (Konig et al., 2010))”

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Authors
König, J., Zarnack, K., Rot, G., Curk, T., Kayikci, M., Zupan, B., Turner, D. J., Luscombe, N. M., & Ule, J.
Affiliations
  • MRC Laboratory of Molecular Biology (GB)
  • European Bioinformatics Institute (GB)
  • University of Ljubljana (SI)
  • Wellcome Sanger Institute (GB)
Corresponding author
Ule, Jernej
Venue
Nature Structural & Molecular Biology
Published
2010-07
Volume
17
Issue
7
Pages
909-915
ISSN
  • 1545-9985 (ISSN-L)
  • 1545-9993
OpenAlex
W2114532236
Cited by
1,126
References
5
Citations by year
2026: 43 · 2025: 48 · 2024: 67 · 2023: 66 · 2022: 65 · 2021: 84 · 2020: 78 · 2019: 78 · 2018: 88 · 2017: 104 · 2016: 87 · 2015: 93 · 2014: 84 · 2013: 45 · 2012: 49
FWCI
16.99
Type
journal article
Language
en
Open access
Locations
  • Nature Structural & Molecular Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Repository of the University of Ljubljana (University of Ljubljana) (publishedVersion, other-oa)
  • PubMed Central (acceptedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
  • Wellcome Trust (089701)
  • Biotechnology and Biological Sciences Research Council (BB/E01075X/1)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA regulation and disease
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
Keywords
HNRNPC, pre-mRNA splicing, alternative splicing, iCLIP, nascent RNA, exon inclusion
MeSH terms
Base Sequence, HeLa Cells, Humans, Molecular Sequence Data, Nucleotides, Protein Binding, RNA Precursors, Ultraviolet Rays, Uridine, Alternative Splicing, Heterogeneous-Nuclear Ribonucleoproteins, Immunoprecipitation

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