ArticleJournal of experimental botany2015
Arabidopsis response to low-phosphate conditions includes active changes in actin filaments and PIN2 polarization and is dependent on strigolactone signalling.
Article in Journal of experimental botany, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 49 citations in OpenAlex.
- The strigolactone pathway plays a crucial role in integrating metabolic and nutritional signals in plants.Nature plants · 2023Review
- The Root Hair Development of Pectin Polygalacturonase PGX2 Activation Tagging Line in Response to Phosphate Deficiency.Frontiers in plant science · 2022Article
- Auxin Interactions with Other Hormones in Plant Development.Cold Spring Harbor perspectives in biology · 2021Review
- Combined Transcriptome and Proteome Analysis of Maize (Current issues in molecular biology · 2021Article
- Nitrate triggered phosphoproteome changes and a PIN2 phosphosite modulating root system architecture.EMBO reports · 2021Article
- Actin Isovariant ACT7 Modulates Root Thermomorphogenesis by Altering Intracellular Auxin Homeostasis.International journal of molecular sciences · 2021Article
- Nitrate Modulates Lateral Root Formation by Regulating the Auxin Response and Transport in Rice.Genes · 2021Article
- The TOR-Auxin Connection Upstream of Root Hair Growth.Plants (Basel, Switzerland) · 2021Review
- GR24, A Synthetic Strigolactone Analog, and Light Affect the Organization of Cortical Microtubules in Arabidopsis Hypocotyl Cells.Frontiers in plant science · 2021Article
- Role ofPlant direct · 2020Article
- The Plasticity of Root Systems in Response to External Phosphate.International journal of molecular sciences · 2020Review
- Phospholipase D-derived phosphatidic acid promotes root hair development under phosphorus deficiency by suppressing vacuolar degradation of PIN-FORMED2.The New phytologist · 2020Article
- Comparing and Contrasting the Multiple Roles of Butenolide Plant Growth Regulators: Strigolactones and Karrikins in Plant Development and Adaptation to Abiotic Stresses.International journal of molecular sciences · 2019Review
- Strigolactones and their crosstalk with other phytohormones.Annals of botany · 2019Article
- AUX1-mediated root hair auxin influx governs SCFNature communications · 2018Article
- Recent Advances in Understanding the Molecular Mechanisms Regulating the Root System Response to Phosphate Deficiency in Arabidopsis.Current genomics · 2016Article
- Review
- Article
- Strigolactone signaling in root development and phosphate starvation.Plant signaling & behavior · 2015Review
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Authors and funding
13 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Strigolactones (SLs) are plant hormones that regulate the plant response to phosphate (Pi) growth conditions. At least part of SL-signalling execution in roots involves MAX2-dependent effects on PIN2 polar localization in the plasma membrane (PM) and actin bundling and dynamics. We examined PIN2 expression, PIN2 PM localization, endosome trafficking, and actin bundling under low-Pi conditions: a MAX2-dependent reduction in PIN2 trafficking and polarization in the PM, reduced endosome trafficking, and increased actin-filament bundling were detected in root cells. The intracellular protein trafficking that is related to PIN proteins but unassociated with AUX1 PM localization was selectively inhibited. Exogenous supplementation of the synthetic SL GR24 to a SL-deficient mutant (max4) led to depletion of PIN2 from the PM under low-Pi conditions. Accordingly, roots of mutants in MAX2, MAX4, PIN2, TIR3, and ACTIN2 showed a reduced low-Pi response compared with the wild type, which could be restored by auxin (for all mutants) or GR24 (for all mutants except max2-1). Changes in PIN2 polarity, actin bundling, and vesicle trafficking may be involved in the response to low Pi in roots, dependent on SL/MAX2 signalling.
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