Browsing by Author "Debleena Roy"

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Biotechnology for micropropagation and camptothecin production in Ophiorrhiza sp.
(Springer Science and Business Media Deutschland GmbH, 2022) Devendra Kumar Pandey; Merinashwari Konjengbam; Mimosa Ghorai; Padmanabh Dwivedi; Debleena Roy; Nishi Kant; A. Gangaprasad; Abhijit Dey
Abstract: Camptothecin (CPT) is a monoterpenoid-alkaloid, an anticancer compound from plant. Ever since its discovery in 1996 from the bark of Camptotheca acuminata, various researches have been conducted for enhancing its production. CPT has also been reported in several other species belonging to the plant families Icacinaceae, Rubiaceae, Apocynaceae, Nyssaceae, Betulaceae, Violaceae, Meliaceae, and Gelseminaceae. Out of these, Ophiorrhiza sp. (Rubiaceae) is the next possible candidate for sustainable CPT production after C. acuminata and Nothapodytes nimoonia. Various biotechnological-studies have been conducted on Ophiorrhiza sp. for searching the elite species and the most optimal strategies for CPT production. The genus Ophiorrhiza has been used as medicines for antiviral, antifungal, antimalarial, and anticancer activities. Phytochemical analysis has revealed the presence of alkaloids, flavonoids, triterpenes, and CPT from the plant. Because of the presence of CPT and its herbaceous habit, Ophiorrhiza sp. has now become a hot topic in research area. Currently, for mass production of the elite spp., tissue culture techniques have been implemented. In the past decades, several researchers have contributed on the diversity assessment, phytochemical analysis, mass production, and in vitro production of CPT in Ophiorrhiza sp. In this paper, we review the on the biotechnological strategies, optimal culture medium, micropropagation of Ophiorrhiza sp., effect of PGR on shoot formation, rhizogenesis, callus formation, and enhanced production of CPT for commercial use. Key points: • Latest literature on in vitro propagation of Ophiorrhiza sp. • Biotechnological production of camptothecin and related compounds • Optimization, elicitation, and transgenic studies in Ophiorrhiza sp. © 2022, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.