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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erad123
|2 doi
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|a pubmed24n1183.xml
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|a (DE-627)NLM35509102X
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|a (NLM)37004244
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Jourquin, Joris
|e verfasserin
|4 aut
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|a GOLVEN peptides regulate lateral root spacing as part of a negative feedback loop on the establishment of auxin maxima
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 07.08.2023
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|a Date Revised 07.08.2023
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|a published: Print
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|a Citation Status MEDLINE
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| 520 |
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|a © The Author(s) 2023. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For permissions, please email: journals.permissionsoup.com.
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|a Lateral root initiation requires the accumulation of auxin in lateral root founder cells, yielding a local auxin maximum. The positioning of auxin maxima along the primary root determines the density and spacing of lateral roots. The GOLVEN6 (GLV6) and GLV10 signaling peptides and their receptors have been established as regulators of lateral root spacing via their inhibitory effect on lateral root initiation in Arabidopsis. However, it was unclear how these GLV peptides interfere with auxin signaling or homeostasis. Here, we show that GLV6/10 signaling regulates the expression of a subset of auxin response genes, downstream of the canonical auxin signaling pathway, while simultaneously inhibiting the establishment of auxin maxima within xylem-pole pericycle cells that neighbor lateral root initiation sites. We present genetic evidence that this inhibitory effect relies on the activity of the PIN3 and PIN7 auxin export proteins. Furthermore, GLV6/10 peptide signaling was found to enhance PIN7 abundance in the plasma membranes of xylem-pole pericycle cells, which likely stimulates auxin efflux from these cells. Based on these findings, we propose a model in which the GLV6/10 signaling pathway serves as a negative feedback mechanism that contributes to the robust patterning of auxin maxima along the primary root
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Auxin maxima
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|a GOLVEN
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|a PIN
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|a auxin transport
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|a lateral roots
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| 650 |
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|a peptide signaling
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|a pericycle
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|a pre-branch sites
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|a Indoleacetic Acids
|2 NLM
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a Peptides
|2 NLM
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| 700 |
1 |
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|a Fernandez, Ana Ibis
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Qing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Ke
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Jian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Šimura, Jan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ljung, Karin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vanneste, Steffen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Beeckman, Tom
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 74(2023), 14 vom: 03. Aug., Seite 4031-4049
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:74
|g year:2023
|g number:14
|g day:03
|g month:08
|g pages:4031-4049
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| 856 |
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|u http://dx.doi.org/10.1093/jxb/erad123
|3 Volltext
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|d 74
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