Rapid plant regeneration, analysis of genetic fidelity, and neoandrographolide content of micropropagated plants of Andrographis alata (Vahl) Nees

Author:

Kadapatti Sathish Shekhappa,Murthy Hosakatte Niranjana

Abstract

Abstract Background Andrographis alata (Vahl) Nees is a medicinal plant which was reported to have the highest concentration of neoandrographolide that has several therapeutic values. Natural populations of Andrographis alata are dwindling due to destruction of natural habitat and over exploitation. Therefore, in vitro propagation of Andrographis alata was undertaken, and successful method is presented here. Results Micropropagation of Andrographis alata was realized on MS nutrient medium augmented with BAP (10 μM), and multiple shoots were regenerated from nodal explants. Induction of roots was attained from shoots on ¼ concentration of MS nutrient medium supplemented with IBA (1 μM). Randomly amplified polymorphic DNA (RAPD) and inter-simple sequence repeat (ISSR) analysis showed that there is genetic fidelity in the regenerated plants. Reverse phase high performance liquid chromatographic analysis of regenerated plants showed the presence of neoandrographolide, equivalent to that of mother plants. Conclusions Successful in vitro regeneration of Andrographis alata is presented here, and it is quite useful for its mass multiplication. The micropropagated plants are useful for restoration of plants in nature and for utilization by the pharmaceutical industry for extraction of neoandrographolide.

Publisher

Springer Science and Business Media LLC

Subject

Genetics,Biotechnology

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