ArticleGenetics2021
An autoregulation loop in fust-1 for circular RNA regulation in Caenorhabditis elegans.
Article in Genetics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 10 citations in OpenAlex.
- Review
- Splicing to keep splicing: A feedback system for cellular homeostasis and state transition.Clinical and translational medicine · 2025Review
- First Transcriptome Analysis of Hepatoblastoma in Brazil: Unraveling the Pivotal Role of Noncoding RNAs and Metabolic Pathways.Biochemical genetics · 2025Article
- A Brief Review on Caenorhabditis elegans Role in Modelling Neurodegenerative Disease.Central nervous system agents in medicinal chemistry · 2025Review
- TDP-1 and FUST-1 co-inhibit exon inclusion and control fertility together with transcriptional regulation.Nucleic acids research · 2023Article
- TDP-1 and FUST-1 co-inhibit exon inclusion and control fertility together with transcriptional regulation.bioRxiv : the preprint server for biology · 2023Article
- nf-core/circrna: a portable workflow for the quantification, miRNA target prediction and differential expression analysis of circular RNAs.BMC bioinformatics · 2023Article
- Mechanisms of circular RNA degradation.Communications biology · 2022Review
- Review
- Circular RNA and Its Roles in the Occurrence, Development, Diagnosis of Cancer.Frontiers in oncology · 2022Review
Corrections and comments
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Authors and funding
1 author at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Many circular RNAs (circRNAs) are differentially expressed in different tissues or cell types, suggestive of specific factors that regulate their biogenesis. Here, taking advantage of available mutation strains of RNA-binding proteins (RBPs) in Caenorhabditis elegans, I performed a screening of circRNA regulation in 13 conserved RBPs. Among them, loss of FUST-1, the homolog of Fused in Sarcoma (FUS), caused downregulation of multiple circRNAs. By rescue experiments, I confirmed FUST-1 as a circRNA regulator. Through RNA sequencing using circRNA-enriched samples, circRNAs targets regulated by FUST-1 were identified globally, with hundreds of them significantly altered. Furthermore, I showed that FUST-1 regulates circRNA formation with only small to little effect on the cognate linear mRNAs. When recognizing circRNA pre-mRNAs, FUST-1 can affect both exon-skipping and circRNA in the same genes. Moreover, I identified an autoregulation loop in fust-1, where FUST-1, isoform a (FUST-1A) promotes the skipping of exon 5 of its own pre-mRNA, which produces FUST-1, isoform b (FUST-1B) with different N-terminal sequences. FUST-1A is the functional isoform in circRNA regulation. Although FUST-1B has the same functional domains as FUST-1A, it cannot regulate either exon-skipping or circRNA formation. This study provided an in vivo investigation of circRNA regulation, which will be helpful to understand the mechanisms that govern circRNA formation.
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