ArticleMolecular & general genetics : MGG1996
Conservation of the organization of the mitochondrial nad3 and rps12 genes in evolutionarily distant angiosperms.
Article in Molecular & general genetics : MGG, 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, 25 citations in OpenAlex.
- Towards a comprehensive picture of C-to-U RNA editing sites in angiosperm mitochondria.Plant molecular biology · 2018Article
- Article
- Are substitution rates and RNA editing correlated?BMC evolutionary biology · 2010Article
- Insights into the evolution of mitochondrial genome size from complete sequences of Citrullus lanatus and Cucurbita pepo (Cucurbitaceae).Molecular biology and evolution · 2010Article
- Experimental analysis of the rice mitochondrial proteome, its biogenesis, and heterogeneity.Plant physiology · 2009Article
- A novel additional group II intron distinguishes the mitochondrial rps3 gene in gymnosperms.Journal of molecular evolution · 2005Article
- Cross-species amplification of mitochondrial DNA sequence-tagged-site markers in conifers: the nature of polymorphism and variation within and among species in Picea.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2003Article
- Abundant mitochondrial genome diversity, population differentiation and convergent evolution in pines.Genetics · 1998Article
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4 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The organization of the genes nad3 and rps12 has been investigated in the mitochondrial genome of two dicotyledonous plants - Helianthus and Magnolia - and one monocotyledonous plant (Allium). These plants all contain a complete rps12 gene downstream of the nad3 gene. This arrangement is thus highly conserved within angiosperms. The two genes are co-transcribed and the transcript is modified at several positions by RNA editing of the C to U-type, thus confirming that both genes encode functional proteins. Some 26, 35 and 27 editing events have been identified in the PCR-derived nad3-rps12 cDNA population from sunflower, Magnolia and onion, respectively. Editing of the nad3-rps12 transcript is thus more extensive in Magnolia than in the other angiosperms so far investigated and radically changes the genomically encoded polypeptide sequence. A novel species-specific codon modification was observed in Magnolia. Several homologous sites show differences in editing pattern among plant species. A C-to-U alteration is also found in the non-coding region separating the nad3 and rps12 genes in sunflower. The PCR-derived cDNA populations from the nad3-rps12 loci analysed were found to be differently edited. In addition the plant species show marked variations in the completeness of RNA editing, with only the Magnolia nad3 mRNA being edited fully.
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