ArticlePlant physiology2005
Root border-like cells of Arabidopsis. Microscopical characterization and role in the interaction with rhizobacteria.
Article in Plant physiology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 59 papers.
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Who cites it
59 citing papers in PubMed, 185 citations in OpenAlex.
- Dynamic Rhizodeposition in the Woody Perennial Populus trichocarpa.Plant, cell & environment · 2026Article
- Mucilage produced by aerial roots hosts diazotrophs that provide nitrogen in Sorghum bicolor.PLoS biology · 2025Article
- Dynamic in situ detection in iRhizo-Chip reveals diurnal fluctuations ofProceedings of the National Academy of Sciences of the United States of America · 2024Article
- Label-free functional analysis of root-associated microbes with dynamic quantitative oblique back-illumination microscopy.Scientific reports · 2024Article
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- Label-Free Functional Analysis of Root-Associated Microbes with Dynamic Quantitative Oblique Back-illumination Microscopy.Research square · 2023Article
- Repressive ZINC FINGER OF ARABIDOPSIS THALIANA proteins promote programmed cell death in the Arabidopsis columella root cap.Plant physiology · 2023Article
- Black Poplar (Cells · 2023Article
- A fine-tuned defense at the pea root caps: Involvement of border cells and arabinogalactan proteins against soilborne diseases.Frontiers in plant science · 2023Review
- Bacterial biofilms as an essential component of rhizosphere plant-microbe interactions.Methods in microbiology · 2023Article
- Working towards arabinogalactan proteins (AGPs) from fruit: carbohydrate composition and impact on fungal growth.BMC plant biology · 2022Article
- Elicitation of Roots and AC-DC with PEP-13 Peptide Shows Differential Defense Responses in Multi-Omics.Cells · 2022Article
- Autophagy promotes organelle clearance and organized cell separation of living root cap cells in Arabidopsis thaliana.Development (Cambridge, England) · 2022Article
- Rhamnogalacturonan-I as a nematode chemoattractant fromFrontiers in plant science · 2022Article
- Plant-environment microscopy tracks interactions ofProceedings of the National Academy of Sciences of the United States of America · 2021Article
- Review
- Autophagy-an underestimated coordinator of construction and destruction during plant root ontogeny.Planta · 2021Review
- Article
- The Role of Arabinogalactan Type II Degradation in Plant-Microbe Interactions.Frontiers in microbiology · 2021Review
- Arabinogalactan Proteins in Plant Roots - An Update on Possible Functions.Frontiers in plant science · 2021Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant roots of many species produce thousands of cells that are released daily into the rhizosphere. These cells are commonly termed border cells because of their major role in constituting a biotic boundary layer between the root surface and the soil. In this study, we investigated the occurrence and ultrastructure of such cells in Arabidopsis (Arabidopsis thaliana) using light and electron microscopy coupled to high-pressure freezing. The secretion of cell wall molecules including pectic polysaccharides and arabinogalactan-proteins (AGPs) was examined also using immunofluorescence microscopy and a set of anticarbohydrate antibodies. We show that root tips of Arabidopsis seedlings released cell layers in an organized pattern that differs from the rather randomly dispersed release observed in other plant species studied to date. Therefore, we termed such cells border-like cells (BLC). Electron microscopical results revealed that BLC are rich in mitochondria, Golgi stacks, and Golgi-derived vesicles, suggesting that these cells are actively engaged in secretion of materials to their cell walls. Immunocytochemical data demonstrated that pectins as well as AGPs are among secreted material as revealed by the high level of expression of AGP-epitopes. In particular, the JIM13-AGP epitope was found exclusively associated with BLC and peripheral cells in the root cap region. In addition, we investigated the function of BLC and root cap cell AGPs in the interaction with rhizobacteria using AGP-disrupting agents and a strain of Rhizobium sp. expressing a green fluorescent protein. Our findings demonstrate that alteration of AGPs significantly inhibits the attachment of the bacteria to the surface of BLC and root tip.
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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.