Intron Splicing in Plant Organelles
The mitochondrial and chloroplast genomes of plants and algae are rich in intervening sequences. With the exception of the group III introns in the chloroplasts of euglenoid protists, plant organellar introns all belong to either the group I or group II intron ribozyme families. Members of the group II intron class are particularly diverse and plentiful in plant organelles and provide fertile ground for the identification of novel modes of protein-RNA cooperation and coevolution. This review summarizes recent progress in understanding splicing mechanisms, trans-acting splicing factors, and the regulation of splicing in the organelles of plants.
KeywordsChloroplast Genome Splice Factor Euglena Gracilis Intron Splice psbA Gene
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