ArticleStructure (London, England : 1993)2022
Network theory reveals principles of spliceosome structure and dynamics.
Article in Structure (London, England : 1993), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Mutations in the spliceosomal gene SNW1 cause neurodevelopment disorders with microcephaly.The Journal of clinical investigation · 2025Article
- Biochemical and genetic evidence supports Fyv6 as a second-step splicing factor inRNA (New York, N.Y.) · 2023Article
- Biochemical and Genetic Evidence Supports Fyv6 as a Second-Step Splicing Factor inbioRxiv : the preprint server for biology · 2023Article
- Identification of transient intermediates during spliceosome activation by single molecule fluorescence microscopy.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
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4 authors.
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Abstract
Cryoelectron microscopy has revolutionized spliceosome structural biology, and structures representing much of the splicing process have been determined. Comparison of these structures is challenging due to extreme dynamics of the splicing machinery and the thousands of changing interactions during splicing. We have used network theory to analyze splicing factor interactions by constructing structure-based networks from protein-protein, protein-RNA, and RNA-RNA interactions found in eight different spliceosome structures. Our analyses reveal that connectivity dynamics result in step-specific impacts of factors on network topology. The spliceosome's connectivity is focused on the active site, in part due to contributions from nonglobular proteins. Many essential factors exhibit large shifts in centralities during splicing. Others show transiently high betweenness centralities at certain stages, thereby suggesting mechanisms for regulating splicing by briefly bridging otherwise poorly connected network nodes. These observations provide insights into organizing principles of the spliceosome and provide frameworks for comparative analysis of other macromolecular machines.
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