Cited by 149CRISPR and Genetic EngineeringPlant Pathogenic Bacteria StudiesPlant Genetic and Mutation Studies

CRISPR/Cas9-targeted mutagenesis of Os8N3 in rice to confer resistance to Xanthomonas oryzae pv. oryzae

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Kim, Young-Ah, Moon, Hyeran, Park, Chang-Jin·2019·Rice

Abstract

Genome editing tools are important for functional genomics research and biotechnology applications. Recently, the clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein-9 (Cas9) system for gene knockout has emerged as the most effective genome-editing tool. It has previously been reported that, in rice plants, knockdown of the Os8N3 gene resulted in enhanced resistance to Xanthomonas oryzae pv. oryzae ( Xoo ), while displaying abnormal pollen development. The CRISPR/Cas9 system was employed to knockout rice Os8N3 , in order to confer enhanced resistance to Xoo . Analysis of the genotypes and edited Os8N3 in T 0 , T 1 , T 2 , and T 3 transgenic rice plants showed that the mutations were transmitted to subsequent generations, and homozygous mutants displayed significantly enhanced resistance to Xoo . Stable transmission of CRISPR/Cas9-mediated Os8N3 gene editing without the transferred DNA (T-DNA) was confirmed by segregation in the T 1 generation. With respect to many investigated agronomic traits including pollen development, there was no significant difference between homozygous mutants and non-transgenic control plants under greenhouse growth conditions. Data from this study indicate that the CRISPR/Cas9-mediated Os8N3 edition can be successfully employed for non-transgenic crop improvements.

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  • Single or multiple gene knockouts have been successfully observed in maize, barley, wheat, and rice.

    “Gene knockout is the widely used application of CRISPR/Cas9, and single or multiple gene knockouts have been successfully observed in maize, barley, wheat, and rice (Li et al., 2013;Doll et al., 2019;Kim et al., 2019;Lawrenson and Harwood, 2019;Křenek et al., 2021;Zhang et al., 2021;Karunarathne et al., 2022).”

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Authors
Kim, Y.-A., Moon, H., & Park, C.-J.
Affiliations
Sejong University (KR)
Corresponding author
Park, Chang-Jin
Venue
Rice
Published
2019-08-24
Volume
12
Issue
1
Pages
67-67
ISSN
  • 1939-8425 (ISSN-L)
  • 1939-8433
OpenAlex
W2969916037
Cited by
149
References
57
Citations by year
2026: 11 · 2025: 18 · 2024: 24 · 2023: 24 · 2022: 32 · 2021: 24 · 2020: 13 · 2019: 2
FWCI
5.87
Type
journal article
Language
en
Open access
Locations
  • Rice (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Basic Research Program of National Research Foundation of Korea (NRF-2017R1D1A1B03032215)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Pathogenic Bacteria Studies
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Genetic and Mutation Studies
Keywords
Xanthomonas oryzae pv. oryzae, bacterial blight resistance, CRISPR/Cas9 genome editing, gene knockout, pollen development

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