ArticlePlant molecular biology2017
In Arabidopsis thaliana distinct alleles encoding mitochondrial RNA PROCESSING FACTOR 4 support the generation of additional 5' termini of ccmB transcripts.
Article in Plant molecular biology, 2017. 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.
- Evolution of mitochondrial RNA editing sites and stop codon-lacking transcripts in angiosperms.Communications biology · 2025Article
- Pentatricopeptide repeat proteins in plants: Cellular functions, action mechanisms, and potential applications.Plant communications · 2025Review
- Rapidly Evolved Genes in ThreeInternational journal of molecular sciences · 2024Article
- Mitochondrial atp1 mRNA knockdown by a custom-designed pentatricopeptide repeat protein alters ATP synthase.Plant physiology · 2024Article
- Alteration of Mitochondrial Transcript Expression inInternational journal of molecular sciences · 2023Article
- Plant organellar RNA maturation.The Plant cell · 2023Review
- Pentatricopeptide repeat protein MITOCHONDRIAL STABILITY FACTOR 3 ensures mitochondrial RNA stability and embryogenesis.Plant physiology · 2022Article
- Pentatricopeptide repeat protein CNS1 regulates maize mitochondrial complex III assembly and seed development.Plant physiology · 2022Article
- Genome-wide identification of the restorer-of-fertility-like (RFL) gene family in Brassica napus and expression analysis in Shaan2A cytoplasmic male sterility.BMC genomics · 2020Article
- A Pentatricopeptide Repeat Protein Restores Fertility in Tadukan-Type Cytoplasmic Male Sterile Rice via the Cleavage of the Mitochondrial orf312 RNA.Physiologia plantarumArticle
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6 authors.
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Abstract
In plant mitochondria, the 5' ends of many transcripts are generated post-transcriptionally. We show that the pentatricopeptide repeat (PPR) protein RNA PROCESSING FACTOR 4 (RPF4) supports the generation of extra 5' ends of ccmB transcripts in Landsberg erecta (Ler) and a number of other Arabidopsis thaliana ecotypes. RPF4 was identified in Ler applying a forward genetic approach supported by complementation studies of ecotype Columbia (Col), which generates the Ler-type extra ccmB 5' termini only after the introduction of the RPF4 allele from Ler. Studies with chimeric RPF4 proteins composed of various parts of the RPF4 proteins from Ler and Col identified differences in the N-terminal and central PPR motifs that explain ecotype-specific variations in ccmB processing. These results fit well with binding site predictions in ccmB transcripts based on the known determinants of nucleotide base recognition by PPR motifs.
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