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Targeted genome modifications in soybean with CRISPR/Cas9

Open access
Jacobs, Thomas B, LaFayette, Peter R, Schmitz, Robert J, Parrott, Wayne A·2015·BMC Biotechnology

Abstract

BACKGROUND: The ability to selectively alter genomic DNA sequences in vivo is a powerful tool for basic and applied research. The CRISPR/Cas9 system precisely mutates DNA sequences in a number of organisms. Here, the CRISPR/Cas9 system is shown to be effective in soybean by knocking-out a green fluorescent protein (GFP) transgene and modifying nine endogenous loci. RESULTS: Targeted DNA mutations were detected in 95% of 88 hairy-root transgenic events analyzed. Bi-allelic mutations were detected in events transformed with eight of the nine targeting vectors. Small deletions were the most common type of mutation produced, although SNPs and short insertions were also observed. Homoeologous genes were successfully targeted singly and together, demonstrating that CRISPR/Cas9 can both selectively, and generally, target members of gene families. Somatic embryo cultures were also modified to enable the production of plants with heritable mutations, with the frequency of DNA modifications increasing with culture time. A novel cloning strategy and vector system based on In-Fusion® cloning was developed to simplify the production of CRISPR/Cas9 targeting vectors, which should be applicable for targeting any gene in any organism. CONCLUSIONS: The CRISPR/Cas9 is a simple, efficient, and highly specific genome editing tool in soybean. Although some vectors are more efficient than others, it is possible to edit duplicated genes relatively easily. The vectors and methods developed here will be useful for the application of CRISPR/Cas9 to soybean and other plant species.

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Metadata

Authors
Jacobs, T. B., LaFayette, P. R., Schmitz, R. J., & Parrott, W. A.
Venue
BMC Biotechnology
Published
2015-03-12
Volume
15
Issue
1
Pages
16-16
ISSN
1472-6750 (ISSN-L)
OpenAlex
W2127313385
Cited by
577
References
8
FWCI
21.23
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Targeted genome modifications in soybean with CRISPR/Cas9. https://app.cochat.ai/papers/10.1186/s12896-015-0131-2
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Jacobs, T. B., LaFayette, P. R., Schmitz, R. J., & Parrott, W. A. (2015). Targeted genome modifications in soybean with CRISPR/Cas9. BMC Biotechnology. https://doi.org/10.1186/s12896-015-0131-2

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