Cited by 1,684CRISPR and Genetic EngineeringPlant Genetic and Mutation StudiesTransgenic Plants and Applications

A CRISPR/Cas9 toolkit for multiplex genome editing in plants

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Xing, Hui-Li, Dong, Li, Wang, Zhi-Ping, Zhang, Hai-Yan, Han, Chun-Yan, Liu, Bing, Wang, Xue-Chen, Chen, Qi-Jun·2014·BMC Plant Biology

Abstract

BACKGROUND: To accelerate the application of the CRISPR/Cas9 (clustered regularly interspaced short palindromic repeats/ CRISPR-associated protein 9) system to a variety of plant species, a toolkit with additional plant selectable markers, more gRNA modules, and easier methods for the assembly of one or more gRNA expression cassettes is required. RESULTS: We developed a CRISPR/Cas9 binary vector set based on the pGreen or pCAMBIA backbone, as well as a gRNA (guide RNA) module vector set, as a toolkit for multiplex genome editing in plants. This toolkit requires no restriction enzymes besides BsaI to generate final constructs harboring maize-codon optimized Cas9 and one or more gRNAs with high efficiency in as little as one cloning step. The toolkit was validated using maize protoplasts, transgenic maize lines, and transgenic Arabidopsis lines and was shown to exhibit high efficiency and specificity. More importantly, using this toolkit, targeted mutations of three Arabidopsis genes were detected in transgenic seedlings of the T1 generation. Moreover, the multiple-gene mutations could be inherited by the next generation. CONCLUSIONS: We developed a toolkit that facilitates transient or stable expression of the CRISPR/Cas9 system in a variety of plant species, which will facilitate plant research, as it enables high efficiency generation of mutants bearing multiple gene mutations.

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Authors
Xing, H.-L., Dong, L., Wang, Z.-P., Zhang, H.-Y., Han, C.-Y., Liu, B., Wang, X.-C., & Chen, Q.-J.
Affiliations
State Key Laboratory of Plant Physiology and Biochemistry (CN)
Corresponding author
Chen, Qi-Jun
Venue
BMC Plant Biology
Published
2014-11-29
Volume
14
Issue
1
Pages
327-327
ISSN
1471-2229 (ISSN-L)
OpenAlex
W2165016943
Cited by
1,684
References
50
Citations by year
2026: 162 · 2025: 214 · 2024: 214 · 2023: 197 · 2022: 211 · 2021: 174 · 2020: 159 · 2019: 113 · 2018: 89 · 2017: 64 · 2016: 56 · 2015: 31
FWCI
20.62
Type
journal article
Language
en
Open access
Locations
  • BMC Plant Biology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (31070329)
  • National Key Research and Development Program of China (2012CB114200)
  • National Transgenic Science and Technology Program (2011ZX08009)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Genetic and Mutation Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Transgenic Plants and Applications
Keywords
CRISPR/Cas9, multiplex genome editing, binary vectors, transgenic plants, Arabidopsis mutants, selectable marker
MeSH terms
Base Sequence, Zea mays, Genetic Engineering, Genetic Vectors, Protoplasts, Sequence Alignment, Arabidopsis, Genome, Plant, Plants, Genetically Modified, Agrobacterium, CRISPR-Cas Systems

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