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An efficient in vitro regeneration protocol for medicinally important herb Swertia chirayita was developed and the genetic fidelity was assessed using RAPD and ISSR markers. The best shoot regeneration was observed on MS basal supplemented with 1.0 mg/L Benzyl amino purine (BAP) in combination with Indole-3-acetic acid (IAA) (0.5 mg/L) that resulted in the increase by multiplication rate (7.65) with an average of 33.33 numbers of shoots and average shoot length of 2.70 cm. It was further enhanced by the addition of adenine sulfate (0.007%) that resulted in an average of 42 shoots per clum with 4.13 cm of average shoot length and the increase in multiplication fold to 9.75 that further resulted in the reduced use of other cytokinins and auxins. The rooting was nearly 100 % on 1/4 MS augmented with 1.0 mg/L Indole butyric acid with maximum average root length of 5.1cm. Plantlets were successfully acclimatized with 85-90 % survival rate. Ascorbate peroxidase activity increased with the maximum activity during the shoot multiplication. Clonal fidelity has been checked by two marker systems ISSR and RAPD and regenerated plants showed high clonal fidelity

brazilian archives of biology and technology

Assessment of Genetic Fidelity of in vitro Raised Plants in Swertia chirayita through ISSR, RAPD analysis and Peroxidase Profiling during Organogenesis