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Article Dans Une Revue Trends in Plant Science Année : 2017

eIF4E Resistance: Natural Variation Should Guide Gene Editing

Résumé

eIF4E translation initiation factors have emerged as major susceptibility factors for RNA viruses. Natural eIF4E-based resistance alleles are found in many species and are mostly variants that maintain the translation function of the protein. eIF4E genes represent major targets for engineering viral resistance, and gene-editing technologies can be used to make up for the lack of natural resistance alleles in some crops, often by knocking out eIF4E susceptibility factors. However, we report here how redundancy among eIF4E genes can restrict the efficient use of knockout alleles in breeding. We therefore discuss how gene-editing technologies can be used to design de novo functional alleles, using knowledge about the natural evolution of eIF4E genes in different species, to drive resistance to viruses without affecting plant physiology.
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Dates et versions

hal-01595311 , version 1 (26-09-2017)

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Anna Bastet, Christophe Robaglia, Jean-Luc Gallois. eIF4E Resistance: Natural Variation Should Guide Gene Editing. Trends in Plant Science, 2017, 22 (5), pp.411-419. ⟨10.1016/j.tplants.2017.01.008⟩. ⟨hal-01595311⟩
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