Abstract
One of the major limitations of maize transformation is the isolation of a large number of immature embryos using the time-consuming manual extraction method. In this article, we describe a novel bulk embryo extraction method for fast isolation of a large number of embryos suitable for both biolistic- and Agrobacterium-mediated transformation. Optimal gene delivery and tissue culture conditions are also described for achieving high efficiency in Agrobacterium-mediated maize transformation using phosphomannose isomerase (PMI) as a selectable marker.
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Acknowledgments
The authors thank colleagues Drs. Yoshimi Barron, Larry Zeph, Rene Quadt in reviewing the manuscript and giving valuable suggestions.
Competing Interests Statements: The authors are employed by Syngenta Crop Protection, LLC, a developer of transgenic trait products and relevant transformation technologies.
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Zhong, H. et al. (2018). Advances in Agrobacterium-mediated Maize Transformation. In: Lagrimini, L. (eds) Maize. Methods in Molecular Biology, vol 1676. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-7315-6_3
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DOI: https://doi.org/10.1007/978-1-4939-7315-6_3
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