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New understanding of meta-topolin riboside metabolism in micropropagated woody plants

Maroua Grira (UGent) , Els Prinsen and Stefaan Werbrouck (UGent)
(2024) PLANTS-BASEL. 13(9).
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Abstract
Topolin cytokinins have emerged as valuable tools in micropropagation. This study investigates the metabolism of meta-topolin riboside (mTR) in three distinct tree species: Handroanthus guayacan and Tabebuia rosea (Bignoniaceae), and Tectona grandis (Lamiaceae). Employing labeled N15 mTR, we unraveled the complex mechanisms underlying cytokinin homeostasis, identifying N9-glucosylation as the principal deactivation pathway. Our findings demonstrate a capacity in T. rosea and H. guayacan to reposition the hydroxyl group on the cytokinin molecule, a previously unexplored metabolic pathway. Notably, this study reveals remarkable interfamilial and interspecies differences in mTR metabolism, challenging established perspectives on the role of callus tissue in cytokinin storage. These insights not only illuminate the metabolic intricacies of mTR, a cytokinin with interesting applications in plant tissue culture, but also enhances our understanding of cytokinin dynamics in plant systems, thereby enriching the scientific discourse on plant physiology and cytokinin biology.
Keywords
cytokinin metabolism, labeled meta-topolin riboside, Handroanthus guayacan, Tabebuia rosea, Tectona grandis, PELARGONIUM X HORTORUM, ENDOGENOUS CYTOKININ, PROFILES, ACCLIMATIZATION, PROPAGATION, KINETIN, GROWTH

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MLA
Grira, Maroua, et al. “New Understanding of Meta-Topolin Riboside Metabolism in Micropropagated Woody Plants.” PLANTS-BASEL, vol. 13, no. 9, 2024, doi:10.3390/plants13091281.
APA
Grira, M., Prinsen, E., & Werbrouck, S. (2024). New understanding of meta-topolin riboside metabolism in micropropagated woody plants. PLANTS-BASEL, 13(9). https://doi.org/10.3390/plants13091281
Chicago author-date
Grira, Maroua, Els Prinsen, and Stefaan Werbrouck. 2024. “New Understanding of Meta-Topolin Riboside Metabolism in Micropropagated Woody Plants.” PLANTS-BASEL 13 (9). https://doi.org/10.3390/plants13091281.
Chicago author-date (all authors)
Grira, Maroua, Els Prinsen, and Stefaan Werbrouck. 2024. “New Understanding of Meta-Topolin Riboside Metabolism in Micropropagated Woody Plants.” PLANTS-BASEL 13 (9). doi:10.3390/plants13091281.
Vancouver
1.
Grira M, Prinsen E, Werbrouck S. New understanding of meta-topolin riboside metabolism in micropropagated woody plants. PLANTS-BASEL. 2024;13(9).
IEEE
[1]
M. Grira, E. Prinsen, and S. Werbrouck, “New understanding of meta-topolin riboside metabolism in micropropagated woody plants,” PLANTS-BASEL, vol. 13, no. 9, 2024.
@article{01HXQ6MV01HQXZPDJET27BTBN3,
  abstract     = {{Topolin cytokinins have emerged as valuable tools in micropropagation. This study investigates the metabolism of meta-topolin riboside (mTR) in three distinct tree species: Handroanthus guayacan and Tabebuia rosea (Bignoniaceae), and Tectona grandis (Lamiaceae). Employing labeled N15 mTR, we unraveled the complex mechanisms underlying cytokinin homeostasis, identifying N9-glucosylation as the principal deactivation pathway. Our findings demonstrate a capacity in T. rosea and H. guayacan to reposition the hydroxyl group on the cytokinin molecule, a previously unexplored metabolic pathway. Notably, this study reveals remarkable interfamilial and interspecies differences in mTR metabolism, challenging established perspectives on the role of callus tissue in cytokinin storage. These insights not only illuminate the metabolic intricacies of mTR, a cytokinin with interesting applications in plant tissue culture, but also enhances our understanding of cytokinin dynamics in plant systems, thereby enriching the scientific discourse on plant physiology and cytokinin biology.}},
  articleno    = {{1281}},
  author       = {{Grira, Maroua and Prinsen, Els and Werbrouck, Stefaan}},
  issn         = {{2223-7747}},
  journal      = {{PLANTS-BASEL}},
  keywords     = {{cytokinin metabolism,labeled meta-topolin riboside,Handroanthus guayacan,Tabebuia rosea,Tectona grandis,PELARGONIUM X HORTORUM,ENDOGENOUS CYTOKININ,PROFILES,ACCLIMATIZATION,PROPAGATION,KINETIN,GROWTH}},
  language     = {{eng}},
  number       = {{9}},
  pages        = {{10}},
  title        = {{New understanding of meta-topolin riboside metabolism in micropropagated woody plants}},
  url          = {{http://doi.org/10.3390/plants13091281}},
  volume       = {{13}},
  year         = {{2024}},
}
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