Multiple gene substitution by Target-AID base-editing technology in tomato

Abstract The use of Target activation-induced cytidine deaminase (Target-AID) base-editing technology with the CRISPR-Cas 9 system fused with activation-induced cytidine deaminase (AID) resulted in the substitution of a cytidine with a thymine. In previous experiments focusing on a single target gen...

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Main Authors: Johan Hunziker, Keiji Nishida, Akihiko Kondo, Sanae Kishimoto, Tohru Ariizumi, Hiroshi Ezura
Format: Article
Language:English
Published: Nature Portfolio 2020-11-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-020-77379-2
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author Johan Hunziker
Keiji Nishida
Akihiko Kondo
Sanae Kishimoto
Tohru Ariizumi
Hiroshi Ezura
author_facet Johan Hunziker
Keiji Nishida
Akihiko Kondo
Sanae Kishimoto
Tohru Ariizumi
Hiroshi Ezura
author_sort Johan Hunziker
collection DOAJ
description Abstract The use of Target activation-induced cytidine deaminase (Target-AID) base-editing technology with the CRISPR-Cas 9 system fused with activation-induced cytidine deaminase (AID) resulted in the substitution of a cytidine with a thymine. In previous experiments focusing on a single target gene, this system has been reported to work in several plant species, including tomato (Solanum lycopersicum L.). In this research, we used Target-AID technology to target multiple genes related to carotenoid accumulation in tomato. We selected 3 genes, SlDDB1, SlDET1 and SlCYC-B, for their roles in carotenoid accumulation. Among 12 edited T0 lines, we obtained 10 independent T0 lines carrying nucleotide substitutions in the three targeted genes, with several allelic versions for each targeted gene. The two edited lines showed significant differences in carotenoid accumulation. These results demonstrate that Target-AID technology is a highly efficient tool for targeting multiple genes with several allelic versions.
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spelling doaj.art-5c452f7144bc471a93a6b09ad8de71412022-12-21T21:21:41ZengNature PortfolioScientific Reports2045-23222020-11-0110111210.1038/s41598-020-77379-2Multiple gene substitution by Target-AID base-editing technology in tomatoJohan Hunziker0Keiji Nishida1Akihiko Kondo2Sanae Kishimoto3Tohru Ariizumi4Hiroshi Ezura5Graduate School of Life and Environmental Sciences, University of TsukubaGraduate School of Science, Technology and Innovation, Kobe UniversityGraduate School of Science, Technology and Innovation, Kobe UniversityInstitute of Vegetable and Floricultural Science, NAROFaculty of Life and Environmental Sciences, University of TsukubaFaculty of Life and Environmental Sciences, University of TsukubaAbstract The use of Target activation-induced cytidine deaminase (Target-AID) base-editing technology with the CRISPR-Cas 9 system fused with activation-induced cytidine deaminase (AID) resulted in the substitution of a cytidine with a thymine. In previous experiments focusing on a single target gene, this system has been reported to work in several plant species, including tomato (Solanum lycopersicum L.). In this research, we used Target-AID technology to target multiple genes related to carotenoid accumulation in tomato. We selected 3 genes, SlDDB1, SlDET1 and SlCYC-B, for their roles in carotenoid accumulation. Among 12 edited T0 lines, we obtained 10 independent T0 lines carrying nucleotide substitutions in the three targeted genes, with several allelic versions for each targeted gene. The two edited lines showed significant differences in carotenoid accumulation. These results demonstrate that Target-AID technology is a highly efficient tool for targeting multiple genes with several allelic versions.https://doi.org/10.1038/s41598-020-77379-2
spellingShingle Johan Hunziker
Keiji Nishida
Akihiko Kondo
Sanae Kishimoto
Tohru Ariizumi
Hiroshi Ezura
Multiple gene substitution by Target-AID base-editing technology in tomato
Scientific Reports
title Multiple gene substitution by Target-AID base-editing technology in tomato
title_full Multiple gene substitution by Target-AID base-editing technology in tomato
title_fullStr Multiple gene substitution by Target-AID base-editing technology in tomato
title_full_unstemmed Multiple gene substitution by Target-AID base-editing technology in tomato
title_short Multiple gene substitution by Target-AID base-editing technology in tomato
title_sort multiple gene substitution by target aid base editing technology in tomato
url https://doi.org/10.1038/s41598-020-77379-2
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