ArticleNucleic acids research2002
RT-PCR analysis of 5' to 3'-end-ligated mRNAs identifies the extremities of cox2 transcripts in pea mitochondria.
Article in Nucleic acids research, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
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Who cites it
46 citing papers in PubMed, 87 citations in OpenAlex.
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- Analysis of the transcriptional regulator GlpR, promoter elements, and posttranscriptional processing involved in fructose-induced activation of the phosphoenolpyruvate-dependent sugar phosphotransferase system in Haloferax mediterranei.Applied and environmental microbiology · 2014Article
- L-Arabinose degradation pathway in the haloarchaeon Haloferax volcanii involves a novel type of L-arabinose dehydrogenase.Extremophiles : life under extreme conditions · 2013Article
- Transcription of atp1 is influenced by both genomic configuration and nuclear background in the highly rearranged mitochondrial genomes of Silene vulgaris.Plant molecular biology · 2013Article
- Characterization of CRISPR RNA biogenesis and Cas6 cleavage-mediated inhibition of a provirus in the haloarchaeon Haloferax mediterranei.Journal of bacteriology · 2013Article
- Subfunctionalization of sigma factors during the evolution of land plants based on mutant analysis of liverwort (Marchantia polymorpha L.) MpSIG1.Genome biology and evolution · 2013Article
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2 authors at 1 institution in 1 country.
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Abstract
Gene expression in plant mitochondria is still inadequately analyzed. To learn more about transcription and RNA processing in plant mitochondria, the 5'- and 3'-RNA extremities and the promoters of the cytochrome oxidase gene (cox2) were analyzed in pea. Both 5' and 3' ends of cox2 transcripts were examined by RT-PCR across the ligation site of circularized mitochondrial RNA as template. This approach identified 5' ends a few nucleotides shorter than three major 5' ends mapped by primer extension analysis. Presumably, only monophosphate 5' ends derived from processing can be ligated. In vitro transcription assays using a homologous mitochondrial protein extract from pea strongly suggest the major 5' ends to derive from transcription initiation. The cDNA analysis of the head-to-tail ligated cox2 mRNA identified 3' ends within a thymidine stretch approximately 300 nt downstream of the reading frame in a sequence segment that was not present in the previous investigation of this gene. Nuclease S1 protection experiments confirmed this newly identified 3' terminus and corroborated the validity of this technique in mRNA end analysis. The general use of the circularized RNA (CR)-RT-PCR approach for the simultaneous analysis of the 5' and 3' extremities of mRNA molecules is discussed.
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