ArticleJournal of experimental botany2017
Rhizosecretion of stele-synthesized glucosinolates and their catabolites requires GTR-mediated import in Arabidopsis.
Article in Journal of experimental botany, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed, 54 citations in OpenAlex.
- Structural basis of glucosinolate recognition and transport by plant GTR1.Cell discovery · 2026Article
- Functional characterization of NRT1/PTR FAMILY transporters: looking for a needle in a haystack.The New phytologist · 2026Review
- Caterpillar-induced plant-soil feedback affects resistance in wild and cultivated cabbage.Plant and soil · 2026Article
- Transport of secondary metabolites in plants: Mechanistic insights and transporter engineering for crop improvement.Plant communications · 2025Review
- Arabidopsis root defense barriers support beneficial interactions with rhizobacterium Pseudomonas simiae WCS417.The New phytologist · 2025Article
- Beyond defense: microbial modifications of plant specialized metabolites alter and expand their ecological functions.The New phytologist · 2025Review
- Root and rhizosphere contribution to the net soil COS exchange.Plant and soil · 2024Article
- Targeted editing of multiple homologues of GTR1 and GTR2 genes provides the ideal low-seed, high-leaf glucosinolate oilseed mustard with uncompromised defence and yield.Plant biotechnology journal · 2023Article
- Developing multifunctional crops by engineering Brassicaceae glucosinolate pathways.Plant communications · 2023Review
- Artificial Fluorescent Glucosinolates (F-GSLs) Are Transported by the Glucosinolate Transporters GTR1/2/3.International journal of molecular sciences · 2023Article
- Spatially specific mechanisms and functions of the plant circadian clock.Plant physiology · 2022Review
- Multiple indole glucosinolates and myrosinases defend Arabidopsis against Tetranychus urticae herbivory.Plant physiology · 2021Article
- Tissue-specific signatures of metabolites and proteins in asparagus roots and exudates.Horticulture research · 2021Article
- A cell suspension based uptake method to study high affinity glucosinolate transporters.Plant methods · 2020Article
- The Nexus Between Plant and Plant Microbiome: Revelation of the Networking Strategies.Frontiers in microbiology · 2020Review
- Populations of the Parasitic PlantFrontiers in plant science · 2020Article
- Arabidopsis glucosinolate storage cells transform into phloem fibres at late stages of development.Journal of experimental botany · 2019Review
- Modulation of the Root Microbiome by Plant Molecules: The Basis for Targeted Disease Suppression and Plant Growth Promotion.Frontiers in plant science · 2019Review
- Identification and Characterization of Three Epithiospecifier Protein Isoforms inFrontiers in plant science · 2019Article
- The Phenylpropanoid Case - It Is Transport That Matters.Frontiers in plant science · 2018Article
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Casparian strip-generated apoplastic barriers not only control the radial flow of both water and ions but may also constitute a hindrance for the rhizosecretion of stele-synthesized phytochemicals. Here, we establish root-synthesized glucosinolates (GLS) are in Arabidopsis as a model to study the transport routes of plant-derived metabolites from the site of synthesis to the rhizosphere. Analysing the expression of GLS synthetic genes in the root indicate that the stele is the major site for the synthesis of aliphatic GLS, whereas indole GLS can be synthesized in both the stele and the cortex. Sampling root exudates from the wild type and the double mutant of the GLS importers GTR1 and GTR2 show that GTR-mediated retention of stele-synthesized GLS is a prerequisite for the exudation of both intact GLS and their catabolites into the rhizosphere. The expression of the GTRs inside the stele, combined with the previous observation that GLS are exported from biosynthetic cells, suggest three possible routes of stele-synthesized aliphatic GLS after their synthesis: (i) GTR-dependent import to cells symplastically connected to the cortical cells and the rhizosphere; (ii) GTR-independent transport via the xylem to the shoot; and (iii) GTR-dependent import to GLS-degrading myrosin cells at the cortex. The study suggests a previously undiscovered role of the import process in the rhizosecretion of root-synthesized phytochemicals.
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