Auxin-like effects of the natural coumarin scopoletin on Arabidopsis cell structure and morphology
Copyright © 2017 Elsevier GmbH. All rights reserved.
| Publié dans: | Journal of plant physiology. - 1979. - 218(2017) vom: 01. Nov., Seite 45-55 |
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| Auteur principal: | |
| Autres auteurs: | , , , , , |
| Format: | Article en ligne |
| Langue: | English |
| Publié: |
2017
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| Accès à la collection: | Journal of plant physiology |
| Sujets: | Journal Article Auxinic bioherbicide Coumarin Mode of action Phytotoxicity Secondary metabolite TIR1 Arabidopsis Proteins F-Box Proteins Herbicides plus... |
| Résumé: | Copyright © 2017 Elsevier GmbH. All rights reserved. The mode of action and phytotoxic potential of scopoletin, a natural compound belonging to the group of coumarins, has been evaluated in detail. Analysis conducted by light and electron transmission microscopy showed strong cell and tissue abnormalities on treated roots, such as cell wall malformations, multi-nucleated cells, abnormal nuclei and tissue disorganization. Scopoletin compromised root development by inducing wrong microtubule assembling, mitochondrial membrane depolarization and ultimate cell death, in a way similar to auxin herbicides. The structural similarities of the natural compound scopoletin and the auxin herbicide 2,4-D, as well as the ability of scopoletin to fit into the auxin-binding site TIR1, were analyzed, suggesting that the phytotoxic activity of scopoletin matches with that exhibited by auxinic herbicides |
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| Description: | Date Completed 14.05.2018 Date Revised 30.09.2020 published: Print-Electronic Citation Status MEDLINE |
| ISSN: | 1618-1328 |
| DOI: | 10.1016/j.jplph.2017.07.007 |