Abstract
Initiation and establishment of hairy root cultures from leaf or seedling hypocotyl explants of Solanum mauritianum Scop., using six strains of Agrobacterium rhizogenes was attempted. Success was only achieved following hypocotyl inoculation with strain LBA 9402. Transformation frequency was very low, with only one instance out of a possible 90 being recorded. Resultant hairy root cultures grew rapidly and could be maintained using a Murashige and Skoog (1962) medium supplemented with 0.1 g L−1myo-inositol and 3% sucrose, either as a solid or liquid culture. Under these conditions, the roots had a solasodine content of 126 μg g−1 DW. Lower levels of solasodine and decreased root growth rates were recorded when the medium strength was reduced by half or 3% glucose substituted for the 3% sucrose.
Published Version
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