Expanding Gene-Editing Potential in Crop Improvement with Pangenomes

Cassandria G. Tay Fernandez, Benjamin J. Nestor, Monica F. Danilevicz, Jacob I. Marsh, Jakob Petereit, Philipp E. Bayer, Jacqueline Batley, David Edwards

Research output: Contribution to journalReview articlepeer-review

14 Citations (Scopus)

Abstract

Pangenomes aim to represent the complete repertoire of the genome diversity present within a species or cohort of species, capturing the genomic structural variance between individuals. This genomic information coupled with phenotypic data can be applied to identify genes and alleles involved with abiotic stress tolerance, disease resistance, and other desirable traits. The characteri-sation of novel structural variants from pangenomes can support genome editing approaches such as Clustered Regularly Interspaced Short Palindromic Repeats and CRISPR associated protein Cas (CRISPR-Cas), providing functional information on gene sequences and new target sites in variant-specific genes with increased efficiency. This review discusses the application of pangenomes in genome editing and crop improvement, focusing on the potential of pangenomes to accurately identify target genes for CRISPR-Cas editing of plant genomes while avoiding adverse off-target effects. We consider the limitations of applying CRISPR-Cas editing with pangenome references and potential solutions to overcome these limitations.

Original languageEnglish
Article number2276
JournalInternational Journal of Molecular Sciences
Volume23
Issue number4
DOIs
Publication statusPublished - 1 Feb 2022

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