ArticlePlant molecular biology1996
A ribosomal protein L2 gene is transcribed, spliced, and edited at one site in rice mitochondria.
Article in Plant molecular biology, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 27 citations in OpenAlex.
- Complete mitochondrial genome of Houttuynia cordata sheds light on the evolution of complex structural features in early angiosperms.BMC plant biology · 2025Article
- The evolutionary conservation of rps3 introns and rps19-rps3-rpl16 gene cluster in Adiantum capillus-veneris mitochondria.Current genetics · 2016Article
- Retention of functional genes for S19 ribosomal protein in both the mitochondrion and nucleus for over 60 million years.Molecular genetics and genomics : MGG · 2015Article
- Structural and distributional variation of mitochondrial rps2 genes in the tribe Triticeae (Poaceae).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2005Article
- Fate of mitochondrially located S19 ribosomal protein genes after transfer of a functional copy to the nucleus in cereals.Molecular genetics and genomics : MGG · 2005Article
- Punctuated evolution of mitochondrial gene content: high and variable rates of mitochondrial gene loss and transfer to the nucleus during angiosperm evolution.Proceedings of the National Academy of Sciences of the United States of America · 2002Article
- A single nuclear transcript encoding mitochondrial RPS14 and SDHB of rice is processed by alternative splicing: common use of the same mitochondrial targeting signal for different proteins.Proceedings of the National Academy of Sciences of the United States of America · 1999Article
- Targeting presequence acquisition after mitochondrial gene transfer to the nucleus occurs by duplication of existing targeting signals.The EMBO journal · 1996Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The mitochondrial ribosomal protein L2 gene (rpl2) is coded by two exons of 840 and 669 bp separated by an intron sequence of 1481 bp in the rice mitochondrial genome. The rpl2 gene is located three nucleotides upstream of the ribosomal protein S19 gene (rps19) and both genes are co-transcribed. cDNA sequence analysis identified splicing of the intron sequence from the rpl2 mRNA as well as RNA editing events. The deduced secondary structure of the rpl2 intron sequence shows the characteristic features of a group-II intron. A single RNA editing site is identified in rpl2 and six editing sites in rps19 transcripts. In addition, one editing site is observed in the 3 nucleotide intergenic region. Analysis of individual cDNA clones showed a different extent of RNA editing. The rice rpl2 intron is located at a different site and shows no significant nucleotide sequence similarity with the rpl2 intron of liverwort. However, 60% nucleotide sequence identity is observed between the rice rpl2 intron and the Oenothera nad5 intron in a 234 nucleotide region. The mitochondrial rpl2 sequence is absent from the pea mitochondrial genome and we consequently propose that the mitochondrial RPL2 protein is encoded by a nuclear gene in pea.
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