Cited by 541CRISPR and Genetic EngineeringPlant tissue culture and regenerationPlant Molecular Biology Research

Plant gene editing through de novo induction of meristems

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Maher, Michael F., Nasti, Ryan A., Vollbrecht, Macy, Starker, Colby G., Clark, Matthew D., Voytas, Daniel F.·2020·Nature Biotechnology

Abstract

Plant gene editing is typically performed by delivering reagents such as Cas9 and single guide RNAs to explants in culture. Edited cells are then induced to differentiate into whole plants by exposure to various hormones. The creation of edited plants through tissue culture is often inefficient, time-consuming, works for only limited species and genotypes, and causes unintended changes to the genome and epigenome. Here we report two methods to generate gene-edited dicotyledonous plants through de novo meristem induction. Developmental regulators and gene-editing reagents are delivered to somatic cells of whole plants. This induces meristems that produce shoots with targeted DNA modifications, and gene edits are transmitted to the next generation. The de novo induction of gene-edited meristems sidesteps the need for tissue culture and promises to overcome a bottleneck in plant gene editing.

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  • Injection of Agrobacterium tumefaciens carrying the development regulators WUS2 and SHOOT MERISTEMLESS (STM) into tobacco seedlings led to the development of gene-edited shoots with heritable mutations.

    “Injection of Agrobacterium tumefaciens carrying the development regulators WUS2 and SHOOT MERISTEMLESS (STM) into tobacco seedlings led to the development of gene-edited shoots with heritable mutations (Maher et al., 2020).”
  • De novo induction of gene-edited meristems avoids the tissue culture step and can be induced in aseptically grown seedlings and soil-grown plants.

    “De novo induction of geneedited meristems also avoids the tissue culture step and can be induced in aseptically grown seedlings and soil-grown plants (Maher et al., 2020).”

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Authors
Maher, M. F., Nasti, R. A., Vollbrecht, M., Starker, C. G., Clark, M. D., & Voytas, D. F.
Affiliations
University of Minnesota (US)
Corresponding author
Voytas, Daniel F.
Venue
Nature Biotechnology
Published
2019-12-16
Volume
38
Issue
1
Pages
84-89
ISSN
  • 0733-222X (ISSN-L)
  • 1087-0156
  • 1546-1696
OpenAlex
W2995711654
Cited by
541
References
27
Citations by year
2026: 64 · 2025: 86 · 2024: 68 · 2023: 78 · 2022: 94 · 2021: 93 · 2020: 55 · 2019: 2 · 2014: 1
FWCI
20.08
Type
journal article
Language
en
Open access
Locations
  • Nature Biotechnology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • U.S. Department of Health & Human Services | NIH | National Institute of General Medical Sciences (T32-GM008347)
  • Hackett Fund of the University of Minnesota TechAccel
  • TechAccel
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Plant tissue culture and regeneration
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
Keywords
Cas9, single guide RNA, somatic cells, dicotyledonous plants, transgenerational inheritance, developmental regulators, epigenome, genome editing
MeSH terms
Gene Editing, CRISPR-Associated Protein 9, Base Sequence, Mutation, Plant Proteins, Soil, Nicotiana, Meristem, Plant Shoots, Transgenes, Plants, Genetically Modified, Seedlings

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