Cited by 397RNA Research and SplicingCancer-related molecular mechanisms researchRNA and protein synthesis mechanisms

Tissue-specific splicing of disordered segments that embed binding motifs rewires protein interaction networks

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Buljan, Marija, Chalancon, Guilhem, Eustermann, Sebastian, Wagner, Gunter P., Fuxreiter, Monika, Bateman, Alex, Babu, M. Madan·2012·Molecular Cell

Abstract

Alternative inclusion of exons increases the functional diversity of proteins. Among alternatively spliced exons, tissue-specific exons play a critical role in maintaining tissue identity. This raises the question of how tissue-specific protein-coding exons influence protein function. Here we investigate the structural, functional, interaction, and evolutionary properties of constitutive, tissue-specific, and other alternative exons in human. We find that tissue-specific protein segments often contain disordered regions, are enriched in posttranslational modification sites, and frequently embed conserved binding motifs. Furthermore, genes containing tissue-specific exons tend to occupy central positions in interaction networks and display distinct interaction partners in the respective tissues, and are enriched in signaling, development, and disease genes. Based on these findings, we propose that tissue-specific inclusion of disordered segments that contain binding motifs rewires interaction networks and signaling pathways. In this way, tissue-specific splicing may contribute to functional versatility of proteins and increases the diversity of interaction networks across tissues.

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Crossref · 10.1016/j.molcel.2012.05.039

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  • Cell- and tissue-differentially regulated alternative splicing events are under-represented in folded protein domains and enriched in disordered, surface-accessible regions that embed short linear interaction motifs.

    “While cell and tissue differentially-regulated AS events are significantly under-represented in functionally defined, folded domains in proteins, they are enriched in regions of protein disorder that typically are surface accessible and embed short linear interaction motifs (Buljan et al., 2012; Ellis et al., 2012; Romero et al., 2006).”
  • Unlike longer neural exons, microexons are depleted of linear binding motifs.

    “Conversely, unlike longer neural exons (Buljan et al., 2012; Ellis et al., 2012), they are depleted of linear binding motifs (Figure 5G and S5N, p<0.005, proportion tests for all comparisons).”

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Authors
Buljan, M., Chalancon, G., Eustermann, S., Wagner, G. P., Fuxreiter, M., Bateman, A., & Babu, M. M.
Affiliations
  • MRC Laboratory of Molecular Biology (GB)
  • Wellcome Sanger Institute (GB)
Corresponding author
  • Buljan, Marija
  • Babu, M. Madan
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2012-06
Volume
46
Issue
6
Pages
871-883
ISSN
1097-2765 (ISSN-L)
OpenAlex
W1996572869
Cited by
396
References
45
Citations by year
2026: 17 · 2025: 14 · 2024: 15 · 2023: 22 · 2022: 24 · 2021: 26 · 2020: 29 · 2019: 26 · 2018: 37 · 2017: 36 · 2016: 28 · 2015: 30 · 2014: 42 · 2013: 34 · 2012: 16
FWCI
15.70
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • University of Debrecen Electronic Archive (University of Debrecen) (submittedVersion)
  • Padua Research Archive (University of Padova) (submittedVersion)
Funders
Wellcome Trust
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer-related molecular mechanisms research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
Keywords
tissue-specific splicing, alternative splicing, intrinsically disordered regions, protein-protein interaction network, binding motifs, exon inclusion, signaling pathways, disease-associated genes
MeSH terms
Exons, Humans, Models, Biological, Organ Specificity, Proteins, RNA Splicing, Structure-Activity Relationship, Alternative Splicing, Evolution, Molecular, Protein Interaction Maps

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