Skip to main content

Advertisement

Log in

Meta-topolin induced in vitro regeneration in Crinum brachynema (Amaryllidaceae): a critically endangered and endemic medicinal plant of India

  • Original Article
  • Published:
Plant Cell, Tissue and Organ Culture (PCTOC) Aims and scope Submit manuscript

Abstract

Crinum brachynema (Amaryllidaceae) is an endemic and critically endangered bulbous medicinal plant of the Northern Western Ghats of India. This species contains an important and promising alkaloid called galanthamine (GAL), an anti-Alzheimer drug. This investigation aimed to establish a reproducible protocol for in vitro regeneration of C. brachynema using twin scales as initial explants for the first time. Thus, cultures were established on Murashige and Skoog (MS) medium with cytokinins (6-benzyladenine (BA), and meta-Topolin (mT). The establishment and growth of shoots from the explants was achieved on MS medium supplemented with BA alone and in combination with 1-naphthaleneacetic acid (NAA). In vitro shoots were cultured on MS medium containing 0.5–10 µM of mT, of which 5.0 µM mT gave the highest shoot regeneration frequency (11.10). In general, mT proved superior as cultures produced a maximum number of regenerants compared to the control. Rooted plants with bulblets were successfully acclimatized in the greenhouse where they were phenotypically similar to the mother plants. Antioxidant activity was estimated using oxygen radical scavenging capacity (ORAC) model. Cultures on mT exhibited a significant increase in antioxidant capacity compared to the control. These findings highlight the beneficial effect and validate the rising importance of mT for in vitro regeneration studies. This study will serve as a potential protocol to conserve and restore the medicinally important C. brachynema, while the regenerated C. brachynema may be subsequently manipulated to further increase the accumulation of antioxidant potential.

Key Message

An efficient regeneration strategy was developed for conservation of Crinum brachynema, a critically endangered medicinal plant, using twin-scale explants; meta-Topolin enhanced in vitro shoot proliferation and improved regenerants antioxidant activity.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5

Similar content being viewed by others

Abbreviations

AAPH:

2,2’-Azobis (2-methylpropionamidine) dihydrochloride

AChE:

acetylcholinesterase

ANOVA:

analysis of variance

BA:

6-benzyladenine

DMRT:

Duncan’s multiple range test

GAL:

galanthamine

IAA:

indole-3-acetic acid

IBA:

indole-3-butyric acid

IUCN:

international union for conservation and nature

LED:

light-emitting diode

mT:

meta-Topolin

MS:

Murashige and Skoog

NAA:

1-naphthaleneacetic acid

ORAC:

oxygen radical absorbance capacity

PGRs:

plant growth regulators

PPFD:

photosynthetic photon flux density

TE:

Trolox equivalents

References

Download references

Acknowledgements

The authors thank the Science and Engineering Research Board, Department of Science and Technology (SERB-DST), Government of India for providing the financial support under the Startup Research Scheme (File No. SRG/2019/001279).

Author information

Authors and Affiliations

Authors

Contributions

VK and SO are the advisors of this project, planned all experiments and edited the manuscript. HK, SC, PJ and MML conducted the experiments, performed the analysis, acclimatization of plants and wrote the manuscript. All contributors read and approved the final draft of the manuscript.

Corresponding author

Correspondence to Vijay Kumar.

Ethics declarations

Conflict of interest

Authors have declared that there is no conflict of interest.

Additional information

Communicated by Ali R. Alan.

Publisher’s Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Rights and permissions

Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Kaur, H., Chahal, S., Lekhak, M.M. et al. Meta-topolin induced in vitro regeneration in Crinum brachynema (Amaryllidaceae): a critically endangered and endemic medicinal plant of India. Plant Cell Tiss Organ Cult 151, 663–672 (2022). https://doi.org/10.1007/s11240-022-02380-8

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11240-022-02380-8

Keywords

Navigation