Regeneration-Based Quantification of Coumarins (Scopoletin and Scoparone) in <Emphasis Type="Italic">Abutilon indicum</Emphasis> In Vitro Cultures |
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Authors: | Kiranmayee Rao Bhuvaneswari Chodisetti Suryakala Gandi Archana Giri P B Kavi Kishor |
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Institution: | 1.Department of Genetics, Faculty of Science,Osmania University,Hyderabad,India;2.Centre for Biotechnology,Jawaharlal Nehru Technological University Hyderabad,Hyderabad,India |
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Abstract: | Abutilon indicum exploited for its immense value has been propagated successfully through multiple shoot induction and somatic embryogenesis. Direct regeneration (8.20?±?0.83 shoots) was achieved from nodal explants using 0.5 mg/l kinetin (Kn) in MS media. The basal callus from nodal explants turned embryogenic on subsequent introduction of 0.2 mg/l TDZ into the Kn-supplemented media, giving rise to somatic embryos. The embryogenic potential of calli expressed in terms of embryo-forming capacity (EFC) increased from 8.15 EFC to 20.95 EFC after plasmolysis. The phytochemical analysis (HPLC) for the presence of scopoletin and scoparone has revealed a unique accumulation pattern, with higher levels of scopoletin during the earlier stages and scoparone in the later stages of development. The embryogenic calli contained the highest amount of coumarins (99.20?±?0.97 and 61.03?±?0.47 μg/gFW, respectively) followed by regenerated plant (9.43?±?0.20 and 36.36?±?1.19 μg/gFW, respectively), obtained via somatic embryogenesis. Rapid multiplication of A. indicum equipped with two potent coumarins is important in order to meet the commercial demand for combat against dreadful diseases, thereby providing a new platform for plant-based drugs and their manufacture on a commercial scale. |
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