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Withanolide synthesis in cultures of Withania somnifera transformed with Agrobacterium tumefaciens
Published in ELSEVIER SCI IRELAND LTD
1999
Volume: 146
   
Issue: 1
Pages: 1 - 7
Abstract
Transformed organ cultures of Withania somnifera were established following infection with wild type nopaline and octopine strains of Agrobacterium tumefaciens. The oncogenic strains had different levels of virulence on two genotypes studied, the main difference was found in the nature of the galls formed and in their subsequent morphological competence. Ten percent of the galls obtained following infection with nopaline strain N2/73 spontaneously developed shooty teratomas of altered phenotype. The shooty teratomas grew in unsupplemented basal medium and were able to synthesize both the major withanolides of the parent plants. Withanolide synthesis in shooty teratomas was much higher (0.07-0.1% withaferin A and 0.085-0.025% withanolide D) than in non-transformed shoot cultures.
About the journal
JournalData powered by TypesetPlant Science
PublisherData powered by TypesetELSEVIER SCI IRELAND LTD
ISSN0168-9452