RNA Editing Restores Mutations in the Chloroplast Gene accD of Takakia lepidozioides

Abstract

Abstract: RNA editing highly occurs in Takakia lepidozioides chloroplast. The reason underlying the phenominon remains unclear. In this study, with comparative genomic approach, we analized the sequences of the gene accD and its protein products in mosses Physcomitrella patens, Syntrichia ruralis, and Takakia lepidozioides. We find that RNA editing restores mutations in the gene accD of T. lepidozioides, T. lepidozioides aquires the same amino acid sequence as its homologs in Physcomitrella patens and Syntrichia ruralis. The high occurrence of RNA editing in T. lepidozioides chloroplast is an important stratigy to restore DNA mutations. RNA editing enhences T. lepidozioides the adaptation to survive under the high radiation enviroment.

Key words: RNA editing, Takakia lepidozioides, Restore, Mutation

Wan Ping . RNA Editing Restores Mutations in the Chloroplast Gene accD of Takakia lepidozioides[J]. Biotechnology Bulletin, 2013, 0(4): 81-84.

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