Applications of CPPs in Genome Editing of Plants
2022
Cell penetrating peptides (CPPs) are short peptides that are able to translocate themselves and their cargo into cells. The progressive and continuous application of CPPs in various fields of basic and applied research shows that they are efficient delivery vectors for an assortment of biomolecules, including nucleic acids and proteins. This feature makes CPPs an excellent tool for modification of plant genomes through transgenesis and genome editing. In this review, we present the progress during the last three decades in application of CPPs for delivery of DNA, RNA, and proteins into plant cells and tissues. Moreover, we highlight the exploiting of CPPs as advantageous and beneficial tool for plant genome editing via delivery of nuclease proteins, and provide a practical example of genome alternation through CPP-delivered nucleases. Finally, the current exploitation of peptides in organelle-specific DNA delivery and modification of organellar genomes is discussed.
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