ArticleScientific reports2023
Histological and molecular insights in to in vitro regeneration pattern of Xanthosoma sagittifolium.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Multiple Shoot Bud Induction and Plant Regeneration inPlants (Basel, Switzerland) · 2026Article
- High-frequency direct organogenesis, genetic homogeneity, and root ultra-structural study in3 Biotech · 2025Article
- In vitro Genebank of India for safe conservation of horticultural plant diversity: four decades of milestones.3 Biotech · 2025Review
- Valorization of Taioba Products and By-Products: Focusing on Starch.Foods (Basel, Switzerland) · 2024Review
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8 authors.
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Abstract
A study on the effect of various phytohormonal combinations on in vitro propagation of Cocoyam [Xanthosoma sagittifolium (L.) Schott] was conducted to develop an improved and efficient in vitro regeneration protocol for its mass multiplication. Histological analysis to understand the in vitro regeneration pattern and genetic fidelity assessment of regenerated plants were also carried out. Single shoots excised from in vitro established cultures of X. sagittifolium were used as explants. Among the 32 different phytohormonal combinations tested, indirect organogenesis with intervening callus phase was observed on majority of the media combinations. Meristematic clump formation was optimally achieved on all the tested media combinations with maximum 43.54 ± 0.51 shoot primordia on MS medium containing 0.2 mg/L BAP + 0.1 mg/L NAA followed by 36.44 ± 0.76 shoot primordia on MS medium having 2.5 mg/L TDZ. Micro-morphological analysis of different morphogenetic structures revealed that the regeneration of cocoyam is well executed via meristematic nodules, shoot primordia formation that may evolve in to proper shoots. Adventitious shoots (> 2 cm) were successfully (100.00 ± 0.00%) rooted on the half-strength MS medium containing IBA (0.05-1.0 mg/L) and IAA (0.05-0.5 mg/L). The number of roots ranged from 0.78 ± 0.31 on the control half-strength MS medium to 13.94 ± 0.46 on half-strength MS supplemented with 1.0 mg/L IBA. Considering somaclonal variations as a potential restriction to in vitro multiplication of plants, genetic stability was assessed using 40 ISSR primers. The PCR amplification profiles obtained from all the tested propagules (calli, meristematic clumps, regenerated plantlets) were similar to the mother plants indicating the homogeneity of the individuals raised through the regeneration protocol reported here.
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