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| Content Provider | Springer Nature Link |
|---|---|
| Author | Pathak, Sumya Mishra, Brij Kishore Misra, Prashant Misra, Pratibha Joshi, Vid Kumar Shukla, Sudhir Trivedi, Prabodh Kumar |
| Copyright Year | 2012 |
| Abstract | Opium poppy (Papaver somniferum) remains the most important source for several pharmaceutical benzylisoquinoline alkaloids including the narcotic analgesic morphine, the anti-tussive drug codeine. Selection, breeding as well as other molecular practices have produced large number of germplasm with modulated biosynthesis and altered accumulation of specific alkaloids. However, there is need to modulate biosynthetic pathways of these alkaloids through transgenic approach, which requires development of an efficient regeneration system for genetic transformation. We studied response of different explants for somatic embryogenesis and developed an efficient protocol for P. somniferum somatic embryogenesis, regeneration as well as successful transplantation in fields. In our system, embryogenic callus from root explants was induced by 2,4-D and kinetin followed by maturation with gibberellin and abscisic acid and regeneration by hormone free half-strength MS media. Though root regeneration from somatic embryos has been shown as limiting factor in established protocols, we observed efficient root and shoot regeneration through somatic embryos in our study. We analyzed alkaloid content in in vitro callus and field grown plants and concluded developmental control of alkaloid biosynthesis. Absence of transcripts of some of the genes and specific alkaloids also suggests regulation at transcriptional level of alkaloid biosynthesis pathway. |
| Starting Page | 17 |
| Ending Page | 25 |
| Page Count | 9 |
| File Format | |
| ISSN | 01676903 |
| Journal | Plant Growth Regulation |
| Volume Number | 68 |
| Issue Number | 1 |
| e-ISSN | 15735087 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2012-04-11 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Benzylisoquinoline alkaloids Gene expression Medicinal plant Papaver somniferum Somatic embryogenesis Plant Physiology Agriculture Plant Anatomy/Development Plant Sciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physiology Plant Science Agronomy and Crop Science |
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