Plant and Cell Physiology Advance Access originally published online on December 14, 2006
Plant and Cell Physiology 2007 48(2):362-368; doi:10.1093/pcp/pcl058
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Short Communication |
Identification of RNA Editing Sites in Chloroplast Transcripts of Phalaenopsis aphrodite and Comparative Analysis with Those of Other Seed Plants
1Institute of Biotechnology, National Cheng Kung University, Tainan, Taiwan 701
2Department of Biological Science and Technology, Meiho Institute of Technology, Pingtung, Taiwan 912
*Corresponding author: E-mail, chingcc{at}mail.ncku.edu.tw; Fax, +886-6-2766505.
| Abstract |
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RNA editing sites were systematically examined for the transcripts of 74 known protein-coding genes in the chloroplasts of Phalaenopsis aphrodite. A total of 44 editing sites were identified in 24 transcripts, the highest reported in seed plants. In addition, 21 editing sites are unique to the Phalaenopsis orchid as compared with other seed plants. All editing is C-to-U conversion, and 42 editing sites bring about the changes in amino acids. One of the remaining two editing sites occurs in the transcripts of the ndhB pseudogene, and another in the 5'-untranslated region of psbH transcripts.
Keywords: Chloroplast - Moth orchid - Phalaenopsis aphrodite - RNA editing
Abbreviations: UTR, untranslated region
(Received November 23, 2006; Accepted December 9, 2006)
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