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  1. No Access

    Chapter

    Biotechnological Approaches for Ex Situ Conservation of Medicinal Plants

    Medicinal plants are natural store houses of a wide range of pharmacologically important plant secondary metabolites with diverse therapeutic properties. With the rise in global population, the demand for thes...

    Anrini Majumder, Dipasree Roychowdhury… in Medicinal Plants: Biodiversity, Biotechnol… (2023)

  2. No Access

    Chapter

    A Critical Review on Biotechnological Interventions for Production and Yield Enhancement of Secondary Metabolites in Hairy Root Cultures

    In the past three decades, differentiated hairy root culture-related researches gained a great attention due to the equal or greater bio-production capacity of low amount, high-value secondary metabolites as c...

    Mihir Halder, Dipasree Roychowdhury, Sumita Jha in Hairy Roots (2018)

  3. No Access

    Chapter

    The Effects of rol Genes of Agrobacterium rhizogenes on Morphogenesis and Secondary Metabolite Accumulation in Medicinal Plants

    Induction of hairy roots by Agrobacterium rhizogenes and regeneration of Ri-transformed plants from such transgenic roots are reported in a large number of taxonomically diverse plant species. Ri-transformed cult...

    Sayantika Sarkar, Ipshita Ghosh… in Biotechnological Approaches for Medicinal … (2018)

  4. No Access

    Reference Work Entry In depth

    Agrobacterium rhizogenes-Mediated Transformation in Medicinal Plants: Genetic Stability in Long-Term Culture

    Variations at morphological, cytogenetical, cytochemical, biochemical, and molecular levels have been reported in cell, callus cultures, clonally propagated plants, and in regenerated plants in some plant spec...

    Dipasree Roychowdhury, Mihir Halder, Sumita Jha in Transgenesis and Secondary Metabolism (2017)

  5. No Access

    Article

    Effects of cryptogein gene on growth, phenotype and secondary metabolite accumulation in co-transformed roots and plants of Tylophora indica

    Tylophora indica, an indigenous medicinal plant, was transformed with the cryptogein gene to determine the effect of crypt gene on secondary metabolites in co-transformed roots and plants...

    Amrita Basu, Dipasree Roychowdhury, Raj Kumar Joshi… in Acta Physiologiae Plantarum (2016)

  6. No Access

    Living Reference Work Entry In depth

    Agrobacterium rhizogenes-Mediated Transformation in Medicinal Plants: Genetic Stability in Long-Term Culture

    Variations at morphological, cytogenetical, cytochemical, biochemical, and molecular levels have been reported in cell, callus cultures, clonally propagated plants, and in regenerated plants in some plant spec...

    Dipasree Roychowdhury, Mihir Halder, Sumita Jha in Transgenesis and Secondary Metabolism

  7. No Access

    Article

    Morphological and molecular variation in Ri-transformed root lines are stable in long term cultures of Tylophora indica

    Agrobacterium rhizogenes (Ri) transformed root lines of Tylophora indica were established and characterized on the basis of morphology, insertion and expression of T-DNA genes, DNA profiling and ...

    Dipasree Roychowdhury, Amrita Basu, Sumita Jha in Plant Growth Regulation (2015)

  8. No Access

    Article

    Genetic and morphological stability of six-year-old transgenic Tylophora indica plants

    Transgenic plants of Tylophora indica obtained via somatic embryogenesis through genetic transformation by Agrobacterium rhizogenes have been maintained in vitro for over 6 years and the comparison of long term c...

    Dipasree Roychowdhury, Biswajit Ghosh, Binay Chaubey, Sumita Jha in The Nucleus (2013)

  9. No Access

    Chapter

    Agrobacterium rhizogenes-Mediated Transformation in Medicinal Plants: Prospects and Challenges

    A large number of plant species from several families have been successfully transformed by Agrobacterium rhizogenes and established in culture. In contrast to normal roots, the Ri-transformed root cultures are f...

    Dipasree Roychowdhury, Anrini Majumder, Sumita Jha in Biotechnology for Medicinal Plants (2013)

  10. No Access

    Article

    Karyotype analysis of three important traditional Indian medicinal plants, Bacopa monnieri, Tylophora indica and Withania somnifera

    Chromosome characters of three indigenous medicinal plants of high repute were studied. Their karyotypes were commonly mono-modal, decreasing in length from the longest to the shortest chromosomes. The chromos...

    Tapojita Samaddar, Sayantani Nath, Mihir Halder, Bipradut Sil… in The Nucleus (2012)