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Article

In vivo binding by Arabidopsis SPLICING FACTOR 1 shifts 3' splice-site choice, regulating circadian rhythms and immunity in plants.

Proceedings of the National Academy of Sciences of the United States of America - 9 Jun 2026

Agrofoglio Yamila Carla, Iglesias María José, de Leone María José, Hernando Carlos Esteban, Lewinski Martin, Torres Sol Belén, Contino Giuliana, Köhnke Kim Joelle, Yanovsky Marcelo Javier, Staiger Dorothee, Mateos Julieta Lisa

Abstract excerpt

Alternative splicing expands proteome diversity and enables phenotypic plasticity across eukaryotes. In plants, mutations in spliceosomal components impair development and stress responses, but the molecular mechanisms remain unclear. Here, we define the molecular function of SPLICING FACTOR 1 (AtSF1) in Arabidopsis thaliana using individual-nucleotide resolution UV crosslinking and immunoprecipitation combined...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Identifiers

PMID: 42241114
DOI: 10.1073/pnas.2531955123
PMCID: PMC13250555

Genes

SF1

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026.

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In vivo binding by Arabidopsis SPLICING FACTOR 1 shifts 3' splice-site choice, regulating circadian rhythms and immunity in plants.PMID 42241114Read ↗

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