ArticleCurrent genetics2004
RNA editing in ribosome-less plastids of iojap maize.
Article in Current genetics, 2004. 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, 24 citations in OpenAlex.
- Plastid retrograde signaling: A developmental perspective.The Plant cell · 2024Review
- Characteristics, Comparative Analysis, and Phylogenetic Relationships of Chloroplast Genomes of Cultivars and Wild Relatives of Eggplant (Current issues in molecular biology · 2023Article
- WSL9 Encodes an HNH Endonuclease Domain-Containing Protein that Is Essential for Early Chloroplast Development in Rice.Rice (New York, N.Y.) · 2020Article
- Article
- A PPR protein in the PLS subfamily stabilizes the 5'-end of processed rpl16 mRNAs in maize chloroplasts.Nucleic acids research · 2016Article
- Differential regulation of Arabidopsis plastid gene expression and RNA editing in non-photosynthetic tissues.Plant molecular biology · 2013Article
- Plastid signalling under multiple conditions is accompanied by a common defect in RNA editing in plastids.Journal of experimental botany · 2012Article
- Correlation between amino acid residues converted by RNA editing and functional residues in protein three-dimensional structures in plant organelles.BMC plant biology · 2008Article
- Structural features and transcript-editing analysis of sugarcane (Saccharum officinarum L.) chloroplast genome.Current genetics · 2004Article
- 'Conserved hypothetical' proteins: prioritization of targets for experimental study.Nucleic acids research · 2004Review
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In maize chloroplasts, 28 C-to-U editing events have been identified in the transcripts of 14 different genes. The iojap mutant of maize, which lacks chloroplast ribosomes, affords the opportunity to examine whether any chloroplast translation products are required for the editing of any of the 28 sites. Furthermore, the mode of action of the IOJAP protein itself is unknown, so we explored the possibility that homozygous ij1/ ij1 plants are defective in RNA editing. Current knowledge of RNA editing in chloroplasts indicates the existence of site-specific factors responsible for recognizing C targets of editing, but the factors have not yet been identified and their encoding genes are unknown. Our results indicate that all 28 editing sites can be recognized and processed in ribosome-less plastids. Transcripts of rpoB are more abundant and more highly edited in iojap mutants. The editing site in rpl2, which creates the mRNA start codon, is the most severely affected in homozygous ij/ ij plants, but nevertheless exhibits at least 10% editing in all mutant lines. Reduced editing of rpl2 may be an indirect effect of reduced splicing, rather than a defect caused by the iojap mutation. We conclude that neither the IOJAP protein nor chloroplast translation products are required for editing any of the 28 C targets of editing in maize chloroplast RNAs.
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