ArticleBMC plant biology2011
New insight into silica deposition in horsetail (Equisetum arvense).
Article in BMC plant biology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.
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Who cites it
42 citing papers in PubMed, 140 citations in OpenAlex.
- The Role of Confinement in Biomineralization.Chemical reviews · 2025Review
- Biosilicification in monocots: Comparative analysis highlights contrasting patterns of deposition.American journal of botany · 2025Article
- Stomata biosilica andChemical science · 2025Article
- The beneficial impact of silicon on wheat drought resilience is dependent on cultivar and stress intensity.Frontiers in plant science · 2025Article
- Characterization of two proline-rich proteins involved in silicon deposition inFrontiers in plant science · 2025Article
- A Review of the Nutritional Composition, Storage Challenges, Processing Technology and Widespread Use of Bamboo Shoots.Foods (Basel, Switzerland) · 2024Review
- Nano-silicone and Ascophyllum nodosum-based biostimulant down-regulates the negative effect of in vitro induced-salinity in Rosa damascena.BMC plant biology · 2023Article
- Silica deposition in plants: scaffolding the mineralization.Annals of botany · 2023Review
- Evaluating the Effectiveness of Calcium Silicate in Enhancing Soybean Growth and Yield.Plants (Basel, Switzerland) · 2023Article
- The multifarious role of callose and callose synthase in plant development and environment interactions.Frontiers in plant science · 2023Review
- Silicon enhances the drought resistance of peach seedlings by regulating hormone, amino acid, and sugar metabolism.BMC plant biology · 2022Article
- Multidimensional Role of Silicon to Activate Resilient Plant Growth and to Mitigate Abiotic Stress.Frontiers in plant science · 2022Review
- Silicon inhibits gummosis by promoting polyamine synthesis and repressing ethylene biosynthesis in peach.Frontiers in plant science · 2022Article
- Downregulation of Polyamine and Diamine Oxidases in Silicon-Treated Cucumber.Plants (Basel, Switzerland) · 2021Article
- Cellulose intrafibrillar mineralization of biological silica in a rice plant.Scientific reports · 2021Article
- Natural Rubber Biocomposites Filled with Phyto-Ashes Rich in Biogenic Silica Obtained from Wheat Straw and Field Horsetail.Polymers · 2021Article
- On the Potential of Silicon as a Building Block for Life.Life (Basel, Switzerland) · 2020Article
- Horsetail (Materials (Basel, Switzerland) · 2020Article
- Identification of Callose Synthases in Stinging Nettle and Analysis of Their Expression in Different Tissues.International journal of molecular sciences · 2020Article
- Review
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe horsetails (Equisetum sp) are known biosilicifiers though the mechanism underlying silica deposition in these plants remains largely unknown. Tissue extracts from horsetails grown hydroponically and also collected from the wild were acid-digested in a microwave oven and their silica 'skeletons' visualised using the fluor, PDMPO, and fluorescence microscopy.
resultsSilica deposits were observed in all plant regions from the rhizome through to the stem, leaf and spores. Numerous structures were silicified including cell walls, cell plates, plasmodesmata, and guard cells and stomata at varying stages of differentiation. All of the major sites of silica deposition in horsetail mimicked sites and structures where the hemicellulose, callose is known to be found and these serendipitous observations of the coincidence of silica and callose raised the possibility that callose might be templating silica deposition in horsetail. Hydroponic culture of horsetail in the absence of silicic acid resulted in normal healthy plants which, following acid digestion, showed no deposition of silica anywhere in their tissues. To test the hypothesis that callose might be templating silica deposition in horsetail commercially available callose was mixed with undersaturated and saturated solutions of silicic acid and the formation of silica was demonstrated by fluorimetry and fluorescence microscopy.
conclusionsThe initiation of silica formation by callose is the first example whereby any biomolecule has been shown to induce, as compared to catalyse, the formation of silica in an undersaturated solution of silicic acid. This novel discovery allowed us to speculate that callose and its associated biochemical machinery could be a missing link in our understanding of biosilicification.
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