Abstract
We observed that flowing helium at moderate pressures accelerated DNA-coated microprojectiles to velocities suitable for penetration of cells in intact plant tissues. The flowing helium principle permitted the construction of a simple and inexpensive transformation device that was easier to use than those previously described. This device provided efficient transformation of cells in soybean seedlings and other plants.
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Takeuchi, Y., Dotson, M. & Keen, N.T. Plant transformation: a simple particle bombardment device based on flowing helium. Plant Mol Biol 18, 835–839 (1992). https://doi.org/10.1007/BF00020031
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DOI: https://doi.org/10.1007/BF00020031