Developmental roles of Auxin Binding Protein 1 in Arabidopsis thaliana

Developmental roles of Auxin Binding Protein 1 in Arabidopsis thaliana

Copyright © 2020 The Author(s). Published by Elsevier B.V. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant science : an international journal of experimental plant biology. - 1985. - 303(2021) vom: 28. Feb., Seite 110750
Weitere Verfasser: Gallei, Michelle, Pernisová, Markéta, Brunoud, Géraldine, Zhang, Xixi, Glanc, Matouš, Li, Lanxin, Michalko, Jaroslav, Pavlovičová, Zlata, Verstraeten, Inge, Han, Huibin, Hajný, Jakub, Hauschild, Robert, Čovanová, Milada, Zwiewka, Marta, Hoermayer, Lukas, Fendrych, Matyáš, Xu, Tongda, Vernoux, Teva, Friml, Jiří
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Plant science : an international journal of experimental plant biology
Schlagworte:Journal Article AUXIN BINDING PROTEIN 1 (ABP1) Auxin Auxin signaling Plant development Arabidopsis Proteins Indoleacetic Acids Plant Growth Regulators Plant Proteins Receptors, Cell Surface auxin-binding protein 1
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520 |a Auxin is a major plant growth regulator, but current models on auxin perception and signaling cannot explain the whole plethora of auxin effects, in particular those associated with rapid responses. A possible candidate for a component of additional auxin perception mechanisms is the AUXIN BINDING PROTEIN 1 (ABP1), whose function in planta remains unclear. Here we combined expression analysis with gain- and loss-of-function approaches to analyze the role of ABP1 in plant development. ABP1 shows a broad expression largely overlapping with, but not regulated by, transcriptional auxin response activity. Furthermore, ABP1 activity is not essential for the transcriptional auxin signaling. Genetic in planta analysis revealed that abp1 loss-of-function mutants show largely normal development with minor defects in bolting. On the other hand, ABP1 gain-of-function alleles show a broad range of growth and developmental defects, including root and hypocotyl growth and bending, lateral root and leaf development, bolting, as well as response to heat stress. At the cellular level, ABP1 gain-of-function leads to impaired auxin effect on PIN polar distribution and affects BFA-sensitive PIN intracellular aggregation. The gain-of-function analysis suggests a broad, but still mechanistically unclear involvement of ABP1 in plant development, possibly masked in abp1 loss-of-function mutants by a functional redundancy 
650 4 |a Journal Article 
650 4 |a AUXIN BINDING PROTEIN 1 (ABP1) 
650 4 |a Auxin 
650 4 |a Auxin signaling 
650 4 |a Plant development 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Indoleacetic Acids  |2 NLM 
650 7 |a Plant Growth Regulators  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Receptors, Cell Surface  |2 NLM 
650 7 |a auxin-binding protein 1  |2 NLM 
700 1 |a Gallei, Michelle  |e verfasserin  |4 aut 
700 1 |a Pernisová, Markéta  |e verfasserin  |4 aut 
700 1 |a Brunoud, Géraldine  |e verfasserin  |4 aut 
700 1 |a Zhang, Xixi  |e verfasserin  |4 aut 
700 1 |a Glanc, Matouš  |e verfasserin  |4 aut 
700 1 |a Li, Lanxin  |e verfasserin  |4 aut 
700 1 |a Michalko, Jaroslav  |e verfasserin  |4 aut 
700 1 |a Pavlovičová, Zlata  |e verfasserin  |4 aut 
700 1 |a Verstraeten, Inge  |e verfasserin  |4 aut 
700 1 |a Han, Huibin  |e verfasserin  |4 aut 
700 1 |a Hajný, Jakub  |e verfasserin  |4 aut 
700 1 |a Hauschild, Robert  |e verfasserin  |4 aut 
700 1 |a Čovanová, Milada  |e verfasserin  |4 aut 
700 1 |a Zwiewka, Marta  |e verfasserin  |4 aut 
700 1 |a Hoermayer, Lukas  |e verfasserin  |4 aut 
700 1 |a Fendrych, Matyáš  |e verfasserin  |4 aut 
700 1 |a Xu, Tongda  |e verfasserin  |4 aut 
700 1 |a Vernoux, Teva  |e verfasserin  |4 aut 
700 1 |a Friml, Jiří  |e verfasserin  |4 aut 
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