Abstract
Sorghum has been considered a recalcitrant crop for tissue culture and genetic transformation. A breakthrough in Agrobacterium-mediated sorghum transformation was achieved with the use of super-binary cointegrate vectors based on plasmid pSB1. However, even with pSB1, transformation capability was restricted to certain sorghum genotypes, excluding most of the important African sorghum varieties. We recently developed a ternary vector system incorporating the pVIR accessory plasmid. The ternary vector system not only doubled the transformation frequency (TF) in Tx430, but also extended the transformation capability into an important African sorghum elite variety.
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Acknowledgments
The work described here was supported by the Applied Science and Technology department at Corteva Agriscience™, Agriculture Division of DowDuPont™. We are grateful to the assistance received from multiple teams including Vector Construction, Crop Genome Engineering, Controlled Environments, Genomics and Nucleic Acid Analysis. The leadership support received from Scott Betts and Doane Chilcoat is acknowledged.
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Anand, A., Che, P., Wu, E., Jones, T.J. (2019). Novel Ternary Vectors for Efficient Sorghum Transformation. In: Zhao, ZY., Dahlberg, J. (eds) Sorghum. Methods in Molecular Biology, vol 1931. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-9039-9_13
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DOI: https://doi.org/10.1007/978-1-4939-9039-9_13
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