Jun 18, 2020

Prime editing is achievable in the tetraploid potato, but needs improvement

BioRxiv : the Preprint Server for Biology
Florian VeilletF. Nogue

Abstract

Since its discovery and first applications for genome editing in plants, the clustered regularly interspaced short palindromic repeats (CRISPR)-Cas9 technology has revolutionized plant research and precision crop breeding. Although the classical CRISPR-Cas9 system is highly useful for the introduction of targeted small mutations for knock-out applications, this system is mostly inefficient for the introduction of precise and predictable nucleotide substitutions. Recently, the prime editing (PE) technology has been developed in human cells, allowing the introduction of all kinds of mutations, including the simultaneous generation of nucleotide transitions and transversions. Therefore, this system holds great promises for the production of gain-of-function mutants and for the improvement of precision breeding in crops. In this study, we report on the successful use of prime editing in the tetraploid and highly heterozygous potato (Solanum tuberosum) with the introduction of simultaneous nucleotide transitions and transversions in the StALS1 gene.

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Mentioned in this Paper

Tuber aestivum
Scattered
Genome
Avian Crop
Nucleic Acid Sequencing
LUC7L3 gene
Aegilops tauschii
Triticum aestivum antigen
Deep Sequencing
Genome Components

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