ArticleProceedings of the National Academy of Sciences of the United States of America2009
A plant-specific RNA-binding domain revealed through analysis of chloroplast group II intron splicing.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 73 papers.
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Who cites it
73 citing papers in PubMed, 135 citations in OpenAlex.
- The AtRNC1-AtWTF1 protein complex is essential for chloroplast group Ⅱ intron splicing, ribosome biogenesis, and embryo development in Arabidopsis.Plant molecular biology · 2026Article
- Maturase K forms a plastidial splicing complex with a neofunctionalized branching enzyme.Nature communications · 2026Article
- Plant mitochondrial PORR proteins facilitate group II intron splicing by binding to distinct regions within their target introns.Nucleic acids research · 2025Article
- Whole-transcriptome sequencing reveals the global molecular responses and ceRNA regulatory network involved in programmed cell death of rice cultivars zyk639 and zyk-lm.BMC genomics · 2025Article
- P-Type Pentatricopeptide Repeat Proteins YS1 and YS2 Function in Splicing ofInternational journal of molecular sciences · 2025Article
- An In Vitro Phytohormone Survey Reveals Concerted Regulation of the Cannabis Glandular Trichome Disc Cell Proteome.Plants (Basel, Switzerland) · 2025Article
- COI1 F-box proteins regulate DELLA protein levels, growth, and photosynthetic efficiency in maize.The Plant cell · 2024Article
- A prion-like domain is required for phase separation and chloroplast RNA processing during cold acclimation in Arabidopsis.The Plant cell · 2024Article
- Unveiling the Role of SlRNC1 in Chloroplast Development and Global Gene Regulation in Tomato Plants.International journal of molecular sciences · 2024Article
- GhCTSF1, a short PPR protein with a conserved role in chloroplast development and photosynthesis, participates in intron splicing of rpoC1 and ycf3-2 transcripts in cotton.Plant communications · 2024Article
- Temperature-sensitive splicing defects in Arabidopsis mitochondria caused by mutations in the ROOT PRIMORDIUM DEFECTIVE 1 gene.Nucleic acids research · 2024Article
- Structure, Regulation, and Significance of Cyanobacterial and Chloroplast Adenosine Triphosphate Synthase in the Adaptability of Oxygenic Photosynthetic Organisms.Microorganisms · 2024Review
- Review
- Chloroplast gene expression: Recent advances and perspectives.Plant communications · 2023Review
- Plant organellar RNA maturation.The Plant cell · 2023Review
- Are 150 km of open sea enough? Gene flow and population differentiation in a bat-pollinated columnar cactus.PloS one · 2023Article
- Updated Progress on Group II Intron Splicing Factors in Plant Chloroplasts.Current issues in molecular biology · 2022Review
- An Overview of Pentatricopeptide Repeat (PPR) Proteins in the MossPlants (Basel, Switzerland) · 2022Review
- An overview of RNA splicing and functioning of splicing factors in land plant chloroplasts.RNA biology · 2022Article
- Organellar Introns in Fungi, Algae, and Plants.Cells · 2021Review
13 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Comparative genomics has provided evidence for numerous conserved protein domains whose functions remain unknown. We identified a protein harboring "domain of unknown function 860" (DUF860) as a component of group II intron ribonucleoprotein particles in maize chloroplasts. This protein, assigned the name WTF1 ("what's this factor?"), coimmunoprecipitates from chloroplast extract with group II intron RNAs, is required for the splicing of the introns with which it associates, and promotes splicing in the context of a heterodimer with the RNase III-domain protein RNC1. Both WTF1 and its resident DUF860 bind RNA in vitro, demonstrating that DUF860 is a previously unrecognized RNA-binding domain. DUF860 is found only in plants, where it is represented in a protein family comprising 14 orthologous groups in angiosperms. Most members of the DUF860 family are predicted to localize to chloroplasts or mitochondria, suggesting that proteins with this domain have multiple roles in RNA metabolism in both organelles. These findings add to emerging evidence that the coevolution of nuclear and organellar genomes spurred the evolution of diverse noncanonical RNA-binding motifs that perform organelle-specific functions.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.