Synthetic PPR proteins as tools for sequence-specific targeting of RNA

Research output: Contribution to journalArticlepeer-review

Abstract

In native systems, gene expression is regulated by RNA binding proteins. Such proteins have been the target of a great deal of recent research interest, due to the potential for harnessing these regulatory effects for the construction of new biotechnological tools. In particular, focus has been targeted on building synthetic RNA binding proteins for sequence-specific targeting of new RNA transcripts. Pentatricopeptide repeat (PPR) proteins make compelling candidates as synthetic RNA binding proteins to target and bind RNA transcripts of interest, due to their defined RNA binding “code”, modular structure, and native capability to deliver catalytic C-terminal domains. In this review, we present a summary of up-to-date understanding of RNA site recognition by PPR proteins, progress towards the design of synthetic PPR proteins for RNA targeting in vitro and in vivo, highlight key areas for further research around these proteins and present an outlook for future applications for synthetic PPR proteins as biotechnological tools.

Original languageEnglish
Pages (from-to)19-26
Number of pages8
JournalMethods
Volume208
DOIs
Publication statusPublished - Dec 2022

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