ReviewJournal of experimental botany2019
Arabidopsis glucosinolate storage cells transform into phloem fibres at late stages of development.
Review in Journal of experimental botany, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 38 citations in OpenAlex.
- Structural basis of glucosinolate recognition and polyspecific transport by the glucosinolate transporter GTR1.The Journal of biological chemistry · 2026Article
- Transport of secondary metabolites in plants: Mechanistic insights and transporter engineering for crop improvement.Plant communications · 2025Review
- Guns in rosettes: The Arabidopsis chemical weapons arsenal.Plant physiology · 2025Review
- Glucosinolates can act as signals to modulate intercellular trafficking via plasmodesmata.The New phytologist · 2025Article
- Identification of phloem-specific proteinaSEOus structure heterogeneity in sieve element of Populus trichocarpa.BMC plant biology · 2025Article
- Laser dissection-assisted phloem transcriptomics highlights the metabolic and physiological changes accompanying clubroot disease progression in oilseed rape.The Plant journal : for cell and molecular biology · 2025Article
- Exploring the Metabolic and Transcriptomic Profiles ofFrontiers in plant science · 2025Article
- AraLeTA: An Arabidopsis leaf expression atlas across diurnal and developmental scales.Plant physiology · 2024Article
- Developing multifunctional crops by engineering Brassicaceae glucosinolate pathways.Plant communications · 2023Review
- The Surprising Dynamics of Electrochemical Coupling at Membrane Sandwiches in Plants.Plants (Basel, Switzerland) · 2023Article
- Alkaloid binding to opium poppy major latex proteins triggers structural modification and functional aggregation.Nature communications · 2022Article
- Harmonizing biosynthesis with post-ingestive modifications to understand the ecological functions of plant natural products.Natural product reports · 2022Review
- Identification of Potential Genes Encoding Protein Transporters inLife (Basel, Switzerland) · 2022Article
- Single-cell transcriptomics sheds light on the identity and metabolism of developing leaf cells.Plant physiology · 2022Article
- Multiple indole glucosinolates and myrosinases defend Arabidopsis against Tetranychus urticae herbivory.Plant physiology · 2021Article
- Improvement of glucosinolates by metabolic engineering inaBIOTECH · 2021Review
- Distinct identities of leaf phloem cells revealed by single cell transcriptomics.The Plant cell · 2021Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The phloem cap of Arabidopsis thaliana accumulates glucosinolates that yield toxic catabolites upon damage-induced hydrolysis. These defence compounds are stored in high concentrations in millimetre long S-cells. At early stages of development, S-cells initiate a process indicative of programmed cell death. How these cells are maintained in a highly turgescent state following this process is currently unknown. Here, we show that S-cells undergo substantial morphological changes during early differentiation. Vacuolar collapse and rapid clearance of the cytoplasm did not occur until senescence. Instead, smooth endoplasmic reticulum, Golgi bodies, vacuoles, and undifferentiated plastids were observed. Lack of chloroplasts indicates that S-cells depend on metabolite supply from neighbouring cells. Interestingly, TEM revealed numerous plasmodesmata between S-cells and neighbouring cells. Photoactivation of a symplasmic tracer showed coupling with neighbouring cells that are involved in glucosinolate synthesis. Hence, symplasmic transport might contribute to glucosinolate storage in S-cells. To investigate the fate of S-cells, we traced them in flower stalks from the earliest detectable stages to senescence. At late stages, S-cells were shown to deposit thick secondary cell walls and transform into phloem fibres. Thus, phloem fibres in the herbaceous plant Arabidopsis pass a pronounced phase of chemical defence during early stages of development.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.