A pentatricopeptide repeat protein is essential for RNA editing in chloroplasts

Emi Kotera, Masao Tasaka and Toshiharu Shikanai ()
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Emi Kotera: Nara Institute of Science and Technology
Masao Tasaka: Nara Institute of Science and Technology
Toshiharu Shikanai: Nara Institute of Science and Technology

Nature, 2005, vol. 433, issue 7023, 326-330

Abstract: Abstract RNA editing is a process of RNA maturation involved in the insertion, deletion or modification of nucleotides1. In organellar transcripts of higher plants, specific cytidine residues are converted into uridine residues. In many cases, editing results in the restoration of conserved amino acid residues, a process that is essential for protein function in plastids2,3. Despite the technical breakthrough in establishing systems in vivo4 and in vitro5 for analysing RNA editing, its machinery still remains to be identified in higher plants. Here we introduce a genetic approach and report the discovery of a gene responsible for the specific RNA editing event in the chloroplast.

Date: 2005
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DOI: 10.1038/nature03229

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