Shoot regeneration from mesophyll protoplasts and leaf explants of Rehmannia glutinosa |
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Authors: | X-H Xu M R Davey |
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Institution: | 1. Plant Genetic Manipulation Group, Department of Botany, University of Nottingham, NG7 2RD, University Park, Nottingham, UK
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Abstract: | Mesophyll protoplasts obtained from leaves of shoot cultures of Rehmannia glutinosa were cultured in Murashige and Skoog (1962) liquid or liquid-over-agar medium containing 2.0 mg L?1 naphthaleneacetic acid and 0.5 mg L?1 benzylamino purine. An amino acid mixture of glutamine, arginine, glycine, and aspartic acid promoted sustained protoplast division, with an average plating efficiency of 27%. Protoplast-derived colonies formed callus which readily regenerated shoots on fransfer to Murashige and Skoog based agar medium with 2.0 mg L?1 indoleacetic acid and 1.0 mg L?1 benzylamino purine. Leaf explants also showed a marked capacity for shoot regeneration in culture. |
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