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|a 10.1093/jxb/erae315
|2 doi
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|a pubmed24n1482.xml
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|a (DE-627)NLM375457860
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|a (NLM)39058275
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|a (PII)erae315
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Hays, Quentin
|e verfasserin
|4 aut
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|a Phenylboronic acid interacts with pectic rhamnogalacturonan-II and displays anti-auxinic effects during Arabidopsis thaliana root growth and development
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 26.07.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © The Author(s) 2024. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For commercial re-use, please contact reprintsoup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink service via the Permissions link on the article page on our site—for further information please contact journals.permissions@oup.com.
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|a Boron dimerizes RG-II in the plant cell wall and is crucial for plant cell elongation. However, studying RG-II dimerization in plants is challenging because of the severe phenotypes or lethality of RG-II mutants. Boron deprivation abrogates both RG-II dimerization and plant growth, but whether or how these phenotypes are functionally linked has remained unclear. Boric acid analogues can serve as experimental tools to interfere with RG-II cross-linking. Here, we investigated RG-II dimerization and developmental phenotypes in Arabidopsis thaliana seedlings treated with a boric acid analogue, phenylboronic acid (PBA), to test whether the observed developmental phenotypes are attributable to alteration of RG-II dimerization or to other putative functions of boron in plants. We found that PBA treatment altered root development in seedlings while RG-II dimerization and distribution were not affected. Surprisingly, under low boron conditions, PBA treatment i) had no effect on root size but still prevented lateral root development and ii) restored RG-II dimerization. PBA treatment also disrupted auxin levels, potentially explaining the absence of lateral roots in seedlings treated with this analogue. We conclude that PBA interacts both with RG-II and other cellular targets such as auxin signaling components, and that the phenotypes caused by PBA arise from interference with multiple functions of boron
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|a Journal Article
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|a Arabidopsis thaliana
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|a Auxin
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|a Boron
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|a Cell wall
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|a Curvature
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|a Indole-3-acetic-acid
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| 650 |
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|a Pectin
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| 650 |
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4 |
|a Rhamnogalacturonan-II
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| 650 |
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4 |
|a Root
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| 650 |
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4 |
|a phenylboronic acid
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| 700 |
1 |
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|a Ropitaux, Marc
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gügi, Bruno
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vallois, Anthony
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Baron, Aurélie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vauzeilles, Boris
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lerouge, Patrice
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Anderson, Charles T
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lehner, Arnaud
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of experimental botany
|d 1985
|g (2024) vom: 26. Juli
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g year:2024
|g day:26
|g month:07
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/erae315
|3 Volltext
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|j 2024
|b 26
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