An improved in vitro regeneration and assessment of genetic fidelity using ISSR markers in Strychnos potatorum L. f.

*Article not assigned to an issue yet

, ,

Research Articles | Published:

Print ISSN : 0970-4078.
Online ISSN : 2229-4473.
Pub Email:
Doi: 10.1007/s42535-022-00439-7
First Page: 0
Last Page: 0
Views: 95

Keywords: In vitro, Nodal buds, 6-Benzylaminopurine, Naphthalene acetic acid, Clonal fidelity assessment


The present study reports development of an improved in vitro regeneration protocol of Strychnos potatorum L. f. a wild threatened medicinal tree species. The higher rate of morphogenetic plant regeneration was observed in seedlings derived young nodal bud explants when compared to shoot tips explants. Nodal explants cultured on MS medium supplemented with 1.0 mg/L–1 6-benzylaminopurine (BAP) in combination with 0.5 mg/L–1 naphthalene acetic acid (NAA) induced a maximum number of shoots of (10.5 ± 0.53) with a mean shoot height of (5.2 ± 0.36 cm) was obtained. BAP was found more significant in multiple shoot induction when compared to other cytokinins used in this study. In vitro rooting was achieved on half-strength MS medium augmented with different concentrations of auxins. NAA at 0.5 mg/L–1 produced the highest number of healthy roots (8.6 ± 0.70). The rooted plantlets were successfully hardened in the paper cups containing farmyard manure and garden soil in 1:1 ratio and successfully transferred to field conditions. About 80% of the plants survived in the natural habitat. The field-grown plants showed similarity in its growth characteristics to their mother plant. An assessment of clonal fidelity of regenerated plants was  undertaken using inter simple sequence repeat (ISSR) markers which revealed that they are monomorphic and more comparable to their mother plants. This efficient reproducible protocol can be useful for the production of true-to-type nature and ex situ conservation of this threatened S. potatorum tree species.

In vitro, Nodal buds, 6-Benzylaminopurine, Naphthalene acetic acid, Clonal fidelity assessment


Ahmad A, Ahmad N, Anis M, Alatar AA, Salam EM, Qahtan AA, Faisal M (2020) Gibberellic acid and thidiazuron promote micropropagation of an endangered woody tree (Pterocarpus marsupium Roxb.) using in vitro seedlings. Plant Cell Tissue Org Cul 144:449–462

Ankita RP, Chew BL, Sreeramanan S (2021) Assessment of genetic stability on in vitro and ex vitro plants of Ficus carica var. black jack using ISSR and DAMD markers. Mol Biol Rep 48(11):7223–7231

Doyle JJ, Doyle JL (1987) A rapid DNA isolation procedure for small quantities of fresh leaf tissue. Phytochem Bull 19(1):11–15

Drury H (1873) The useful plants of India, 2nd edn. William H. Allen, London, pp 408–409

Isah T (2020) Nodal segment explant type and preconditioning influence in vitro shoot morphogenesis in Ginkgo biloba L. Plant Physiol Rep 25:74–86

Kagithoju S, Godishala V, Kairamkonda M, Nanna RS (2013) Embryo culture is an efficient way to conserve a medicinally important endangered forest tree species Strychnos potatorum. Fores Res 24(2):279–283

Khare CP (2007) Indian medicinal plants-an illustrated dictionary. First Indian reprint. Springer, New Delhi

Kirtikar KR, Basu BD (1918) Indian Medicinal Plants, Sudhindra Nath Basu, Panini Office: Bahadurganj, India, vol III, p 841–843

Lin J, Zou J, Zhang B, Que Q, Zhang J, Chen X, Zhou W (2021) An efficient in vitro propagation protocol for direct organogenesis from root explants of a multi-purpose plant, Broussonetia papyrifera (L.) L’Hér. ex Vent. Ind Crop Prod 170:113686

Malik SK, Chaudhury R, Kalia RK (2005) Rapid in vitro multiplication and conservation of Garcinia indica: a tropical medicinal tree species. Sci Hort 106:539–553

Manokari M, Priyadharshini S, Mahipal S, Shekhawat (2020) Micropropagation of sea grape (Coccoloba uvifera (L.) L.). S Afr J Bot 140:250–258

Mao AA, Vijayan D, Singha RKN, Pradhan S (2018) In vitro propagation of Rhododendron wattii Cowan-a critically endangered and endemic plant from India. In Vitro Cell Dev Biol Plant 54:45–53

Murashige T, Skoog F (1962) A revised medium for rapid growth and bioassays with tobacco tissue culture. Physiol Plant 15:473–497

Nowakowska K, Pacholczak A, Tepper W (2019) The effect of selected growth regulators and culture media on regeneration of Daphne mezereum L. ‘Alba.’ Rendiconti Lincei Scienze Fisiche e Naturali 30:197–205

Rai MK, Asthana P, Jaiswal VS, Jaiswal U (2010) Biotechnological advances in guava (Psidium guajava L.): recent developments and prospects for further research. Tree-Struct Funct 24:1–12

Saavedra AM, de Castro TC, da Silva Cordeiro L, Athayde T, Albarello N, Simoes Gurgel C (2021) In vitro propagation and cryopreservation of the medicinal species Hovenia dulcis Thunb. (Rhamnaceae). Plant Cell Tissue Org Cul 144(3):577–591

Sharma U, Kataria V, Shekhawat NS (2017) In vitro propagation, ex vitro rooting and leaf micro morphology of Bauhinia racemosa Lam.: a leguminous tree with medicinal values. Physiol Mol Biol Plants 23(4):969–977

Shekhawat MS, Manokari M, Revathi J (2017) In vitro propagation and ex vitro rooting of Aerva lanata (L.) Juss. Ex Schult.: a rare medicinal plant. Indian J Plant Physiol 22(1):40–47

Teeluck JM, Kaudeer BF, Ramful M, Boodhram I, Sanmukhiya MR, Soulange JG (2016) Genetic fidelity of in vitro propagated breadfruit (Artocarpus altilis) using inter simple sequence repeat markers. Int J Agric Biol 18:911–916

Yadav KN, Kadam PV, Patel JA, Patil MJ (2014) Strychnos potatorum phytochemical and pharmacological review. Pharmacogn Rev 8(15):61–66

Zafar N, Mujib A, Ali M, Tonk D, Gulzar B, Malik M, Sayeed R, Mamgain J (2019) Genome size analysis of field grown and tissue culture regenerated Rauvolfia serpentina (L) by flow cytometry: histology and scanning electron microscopic study for in vitro morphogenesis. Ind Crop Prod 128:545–555

Zhang A, Wang H, Shao Q, Xu M, Zhang W, Li M (2015) Large scale in vitro propagation of Anoectochilus roxburghii for commercial application: pharmaceutically important and ornamental plant. Ind Crop Prod 70:158–162



The authors are grateful to Prof. S. Karuppusamy, Department of Botany, The Madura College (Autonomous), Madurai, Tamil Nadu, India for helping in the plant collection and identification of the plant. Dr. P. Kannan thanks University Grants Commission [MRP (42/936) 2013-2017] New Delhi for financial assistance.

Author Information

Vijaya Kumar Veeran
Research Department of Botany, The Madura College (Autonomous), Madurai, India

Packiaraj Palsamy
Research Department of Botany, The Madura College (Autonomous), Madurai, India

Kannan Palanisamy
Research Department of Botany, The Madura College (Autonomous), Madurai, India