PPR

Manna S 2015 An overview of pentatricopeptide repeat proteins and their applications. Biochimie 113:93-99.

• due to the relatively low number of promoters in organelle genomes and the long half-lives of their RNAs, the use of transcriptional regulators to control gene expression is not sufficient
• organelle transcriptomes have a great dependence on RNA-binding proteins to regulate gene expression at the post-transcriptional level