ArticleNucleic acids research2021
A RanBP2-type zinc finger protein functions in intron splicing in Arabidopsis mitochondria and is involved in the biogenesis of respiratory complex I.
Article in Nucleic acids research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 22 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
- Synthetic Pentatricopeptide Repeat Proteins: Building a Toolkit for Precise RNA Control.International journal of molecular sciences · 2025Review
- Investigating the Role of OsHDT701 and Other Blast-Associated Negative Regulatory Genes in Indica Rice Cultivar Ranjit Using Combined Wet Lab and Computational Approaches.Molecular biotechnology · 2025Article
- The Dmc1 recombinase physically interacts with and promotes the meiotic crossover functions of the Mlh1-Mlh3 endonuclease.Genetics · 2024Article
- PPR596 Is Required forInternational journal of molecular sciences · 2024Article
- Review
- The Dmc1 recombinase physically interacts with and promotes the meiotic crossover functions of the Mlh1-Mlh3 endonuclease.bioRxiv : the preprint server for biology · 2023Article
- A mitochondrial pentatricopeptide repeat protein enhances cold tolerance by modulating mitochondrial superoxide in rice.Nature communications · 2023Article
- Plant organellar RNA maturation.The Plant cell · 2023Review
- Categorizing 161 plant (streptophyte) mitochondrial group II introns into 29 families of related paralogues finds only limited links between intron mobility and intron-borne maturases.BMC ecology and evolution · 2023Article
- RNA biology takes root in plant systems.Plant direct · 2022Article
- PPR596 Is Required for nad2 mRNA Splicing and Complex I Biogenesis in Mitochondria of Arabidopsis thaliana.Physiologia plantarumArticle
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
Abstract
The RanBP2 zinc finger (Znf) domain is a prevalent domain that mediates protein interaction and RNA binding. In Arabidopsis, a clade of four RanBP2 Znf-containing proteins, named the Organelle Zinc (OZ) finger family, are known or predicted to be targeted to either the mitochondria or the plastids. Previously we reported that OZ1 is absolutely required for the editing of 14 sites in chloroplasts. We now have investigated the function of OZ2, whose null mutation is embryo lethal. We rescued the null mutant by expressing wild-type OZ2 under the control of the seed-specific ABSCISIC ACID-INSENSITIVE3 (ABI3) promoter. Rescued mutant plants exhibit severely delayed development and a distinctive morphological phenotype. Genetic and biochemical analyses demonstrated that OZ2 promotes the splicing of transcripts of several mitochondrial nad genes and rps3. The splicing defect of nad transcripts results in the destabilization of complex I, which in turn affects the respiratory ability of oz2 mutants, turning on the alternative respiratory pathway, and impacting the plant development. Protein-protein interaction assays demonstrated binding of OZ2 to several known mitochondrial splicing factors targeting the same splicing events. These findings extend the known functional repertoire of the RanBP2 zinc finger domain in nuclear splicing to include plant organelle splicing.
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