equisetum

Summary

Summary: The only living genus of the order Equisetales, class Equisetopsida (Sphenopsida), division Equisetophyta (Sphenophyta); distantly related to ferns. It grows in moist places. The hollow, jointed, ridged stems contain SILICATES.

Top Publications

  1. dos Santos J, Blanco M, Do Monte F, Russi M, Lanziotti V, Leal L, et al. Sedative and anticonvulsant effects of hydroalcoholic extract of Equisetum arvense. Fitoterapia. 2005;76:508-13 pubmed
    The hydroalcoholic extract of Equisetum arvense (HAE) tested at the doses of 200 and 400 mg/kg showed a significant activity on the open-field, enhanced the number of falls in the rota-rod reducing the time of permanence in the bar and ..
  2. Tellez M, Rodríguez H, Olivares G, Sortibrán A, Cetto A, Rodriguez Arnaiz R. A phytotherapeutic extract of Equisetum myriochaetum is not genotoxic either in the in vivo wing somatic test of Drosophila or in the in vitro human micronucleus test. J Ethnopharmacol. 2007;111:182-9 pubmed
    b>Equisetum myriochaetum is a Mexican plant used in folk medicine to treat kidney diseases and type 2 diabetes mellitus. The main constituents of the phytoextract are flavonol glycosides (kaempferol), phytoesterols and carbohydrates...
  3. Mimica Dukic N, Simin N, Cvejic J, Jovin E, Orcic D, Bozin B. Phenolic compounds in field horsetail (Equisetum arvense L.) as natural antioxidants. Molecules. 2008;13:1455-64 pubmed
    ..activity and phenolic composition of three different extracts (EtOAc, n-BuOH and H(2)O) of field horsetail (Equisetum arvense L.) is presented...
  4. Stajner D, Popović B, Canadanović Brunet J, Anackov G. Exploring Equisetum arvense L., Equisetum ramosissimum L. and Equisetum telmateia L. as sources of natural antioxidants. Phytother Res. 2009;23:546-50 pubmed publisher
    The antioxidant and scavenging activities of above ground parts of Equisetum arvense L., Equisetum ramosissimum L. and Equisetum telmateia L. phosphate buffer (pH 7) extracts were investigated...
  5. Cetojević Simin D, Canadanović Brunet J, Bogdanovic G, Djilas S, Cetković G, Tumbas V, et al. Antioxidative and antiproliferative activities of different horsetail (Equisetum arvense L.) extracts. J Med Food. 2010;13:452-9 pubmed publisher
    In this study we investigated antioxidative and antiproliferative activity of different horsetail (Equisetum arvense L.) extracts...
  6. Stajner D, Popovic B, Canadanović Brunet J, Boza P. Free radical scavenging activity of three Equisetum species from Fruska gora mountain. Fitoterapia. 2006;77:601-4 pubmed
    The scavenger activities of Equisetum arvense, Equisetum ramosissimum and Equisetum telmateia aboveground parts phosphate buffer (pH 7) extracts were evaluated using three different methods: DPPH assay, ESR and NO radical inhibition ..
  7. Gierlinger N, Sapei L, Paris O. Insights into the chemical composition of Equisetum hyemale by high resolution Raman imaging. Planta. 2008;227:969-80 pubmed
    ..Two-dimensional spectral maps were acquired on cross sections of Equisetum hyemale and Raman images calculated by integrating over the intensity of characteristic spectral regions...
  8. Safiyeh S, Fathallah F, Vahid N, Hossine N, Habib S. Antidiabetic effect of Equisetum arvense L. (Equisetaceae) in streptozotocin-induced diabetes in male rats. Pak J Biol Sci. 2007;10:1661-6 pubmed
    In view of alleged antidiabetic potential effect of the methanol, n-hexan and dichloromethane extracts of Equisetum arvense of blood sugar and body weight in streptozotocin-induced (50 mg kg(-1), i.p...
  9. Currie H, Perry C. Chemical evidence for intrinsic 'Si' within Equisetum cell walls. Phytochemistry. 2009;70:2089-95 pubmed publisher
    ..detailed chemical evidence for the association of 'Si' with soluble carbohydrate and proteinaceous components of Equisetum arvense cell walls. For Equisetum telmateia and E...

More Information

Publications82

  1. Bessa Pereira C, Gomes P, Costa Rodrigues J, Almeida Palmas R, Vieira L, Ferraz M, et al. Equisetum arvense hydromethanolic extracts in bone tissue regeneration: in vitro osteoblastic modulation and antibacterial activity. Cell Prolif. 2012;45:386-96 pubmed publisher
    b>Equisetum arvense preparations have long been used to promote bone healing. The aim of this work was to evaluate osteogenic and antibacterial effects of E. arvense hydromethanolic extracts.
  2. Holzhüter G, Narayanan K, Gerber T. Structure of silica in Equisetum arvense. Anal Bioanal Chem. 2003;376:512-7 pubmed
    Silicified regions in the stem and leaf of the horsetail Equisetum arvensewere studied by scanning and transmission electron microscopy...
  3. Mohler K, Simmons T, Fry S. Mixed-linkage glucan:xyloglucan endotransglucosylase (MXE) re-models hemicelluloses in Equisetum shoots but not in barley shoots or Equisetum callus. New Phytol. 2013;197:111-22 pubmed publisher
    ..The enzyme MLG:xyloglucan endotransglucosylase (MXE) grafts MLG to xyloglucan. In Equisetum, MXE often exceeds extractable xyloglucan endotransglucosylase (XET) activity; curiously, cereals lack ..
  4. Costa Rodrigues J, Carmo S, Silva J, Fernandes M. Inhibition of human in vitro osteoclastogenesis by Equisetum arvense. Cell Prolif. 2012;45:566-76 pubmed publisher
    b>Equisetum arvense has long been used in traditional medicines to treat different disorders, including bone pathologies. In this study a hydromethanolic extract of E. arvense was assessed for its effects on human osteoclastogenesis.
  5. Grewe F, Guo W, Gubbels E, Hansen A, Mower J. Complete plastid genomes from Ophioglossum californicum, Psilotum nudum, and Equisetum hyemale reveal an ancestral land plant genome structure and resolve the position of Equisetales among monilophytes. BMC Evol Biol. 2013;13:8 pubmed publisher
    ..However, the relationships among major fern lineages, especially the placement of Equisetales, remain enigmatic...
  6. Xue X, Fry S. Evolution of mixed-linkage (1 -> 3, 1 -> 4)-?-D-glucan (MLG) and xyloglucan in Equisetum (horsetails) and other monilophytes. Ann Bot. 2012;109:873-86 pubmed publisher
    ..It has been reported that changes in cell-wall chemistry often accompanied major evolutionary steps. We explored changes in hemicelluloses occurring during Equisetum evolution.
  7. Singh N, Kaur S, Bedi P, Kaur D. Anxiolytic effects of Equisetum arvense Linn. extracts in mice. Indian J Exp Biol. 2011;49:352-6 pubmed
    ..The results suggest that the ethanolic extract of E. arvense seems to possess anxiolytic effect with lower sedative activity than that of diazepam. The results could be attributed to the flavonoid content of the ethanolic extract...
  8. Broudiscou L, Lassalas B. Effects of Lavandula officinalis and Equisetum arvense dry extracts and isoquercitrin on the fermentation of diets varying in forage contents by rumen microorganisms in batch culture. Reprod Nutr Dev. 2000;40:431-40 pubmed
    The short-term actions of Lavandula officinalis and Equisetum arvense dry extracts, and of isoquercitrin, flavonoid present in Equisetum arvense, on in vitro fermentation by rumen microbes were studied in batch culture...
  9. Grégoire C, Rémus Borel W, Vivancos J, Labbé C, Belzile F, Bélanger R. Discovery of a multigene family of aquaporin silicon transporters in the primitive plant Equisetum arvense. Plant J. 2012;72:320-30 pubmed publisher
    ..In this study, we searched for transporters in the primitive vascular plant Equisetum arvense (horsetail), which is a valuable but neglected model plant for the study of Si absorption, as it has one ..
  10. Li H, Wang P, Liu Q, Cheng X, Zhou Y, Xiao Y. Cell cycle arrest and cell apoptosis induced by Equisetum hyemale extract in murine leukemia L1210 cells. J Ethnopharmacol. 2012;144:322-7 pubmed publisher
    b>Equisetum hyemale has been used as a traditional herbal medicine to treat various diseases such as hypertension, inflammatory diseases, acute stroke, bleeding and cancer...
  11. Fry S, Nesselrode B, Miller J, Mewburn B. Mixed-linkage (1-->3,1-->4)-beta-D-glucan is a major hemicellulose of Equisetum (horsetail) cell walls. New Phytol. 2008;179:104-15 pubmed publisher
    ..Lichenase yielded oligo-beta-glucans from all Equisetum species tested (Equisetum arvense, Equisetum fluviatile, Equisetum scirpoides, Equisetum sylvaticum and ..
  12. Sørensen I, Pettolino F, Wilson S, Doblin M, Johansen B, Bacic A, et al. Mixed-linkage (1-->3),(1-->4)-beta-D-glucan is not unique to the Poales and is an abundant component of Equisetum arvense cell walls. Plant J. 2008;54:510-21 pubmed publisher
    ..composition in diverse land plants and discovered that MLG is also abundant in the walls of the horsetail Equisetum arvense. MALDI-TOF MS and monosaccharide linkage analysis revealed that MLG in E...
  13. Milovanović V, Radulovic N, Todorovic Z, Stankovic M, Stojanović G. Antioxidant, antimicrobial and genotoxicity screening of hydro-alcoholic extracts of five serbian Equisetum species. Plant Foods Hum Nutr. 2007;62:113-9 pubmed
    The hydro-alcoholic extracts of five Equisetum species, E. arvense L., E. sylvaticum L., E. fluviatile L., E. palustre L. and E. telmateia Ehrh...
  14. Radulovic N, Stojanović G, Palic R. Composition and antimicrobial activity of Equisetum arvense L. essential oil. Phytother Res. 2006;20:85-8 pubmed
    The volatile constituents of the sterile stems of Equisetum arvense L. (Equisetaceae) were investigated for the first time using GC, GC/MS and (13)C-NMR. Twenty-five compounds were identified. Hexahydrofarnesyl acetone (18...
  15. Guilherme dos Santos J, Hoffmann Martins do Monte F, Marcela Blanco M, Maria do Nascimento Bispo Lanziotti V, Damasseno Maia F, Kalyne de Almeida Leal L. Cognitive enhancement in aged rats after chronic administration of Equisetum arvense L. with demonstrated antioxidant properties in vitro. Pharmacol Biochem Behav. 2005;81:593-600 pubmed
    The aim of this work was to verify if chronic administration of the hydroalcoholic extract of stems from Equisetum arvense (HAE) reverses the cognitive impairment in aged rats, as well as, evaluates it in vitro antioxidant properties...
  16. Guillon J, Raquin C. Maternal inheritance of chloroplasts in the horsetail Equisetum variegatum (Schleich.). Curr Genet. 2000;37:53-6 pubmed
    ..time, this paper describes organelle transmission in the division Sphenophyta, represented by the extant genus Equisetum. By following the fate of polymorphic cpDNA during three intraspecific reciprocal crosses we found no trace of ..
  17. Wikström N, Pryer K. Incongruence between primary sequence data and the distribution of a mitochondrial atp1 group II intron among ferns and horsetails. Mol Phylogenet Evol. 2005;36:484-93 pubmed
  18. Oh H, Kim D, Cho J, Kim Y. Hepatoprotective and free radical scavenging activities of phenolic petrosins and flavonoids isolated from Equisetum arvense. J Ethnopharmacol. 2004;95:421-4 pubmed
    Hepatoprotective activity-guided fractionation of the MeOH extract of Equisetum arvense L...
  19. Leroux O, Knox J, Masschaele B, Bagniewska Zadworna A, Marcus S, Claeys M, et al. An extensin-rich matrix lines the carinal canals in Equisetum ramosissimum, which may function as water-conducting channels. Ann Bot. 2011;108:307-19 pubmed publisher
    The anatomy of Equisetum stems is characterized by the occurrence of vallecular and carinal canals. Previous studies on the carinal canals in several Equisetum species suggest that they convey water from one node to another.
  20. Bredebach M, Matern U, Martens S. Three 2-oxoglutarate-dependent dioxygenase activities of Equisetum arvense L. forming flavone and flavonol from (2S)-naringenin. Phytochemistry. 2011;72:557-63 pubmed publisher
    b>Equisetum arvense L. (Equisetaceae-horsetail) accumulates various flavones and flavonols in infertile shoot...
  21. Karol K, Arumuganathan K, Boore J, Duffy A, Everett K, Hall J, et al. Complete plastome sequences of Equisetum arvense and Isoetes flaccida: implications for phylogeny and plastid genome evolution of early land plant lineages. BMC Evol Biol. 2010;10:321 pubmed publisher
    ..To better understand the evolution of land plants and their plastomes, we examined aligned nucleotide sequences, indels, gene and nucleotide composition, inversions, and gene order at the boundaries of the inverted repeats...
  22. Do Monte F, dos Santos J, Russi M, Lanziotti V, Leal L, Cunha G. Antinociceptive and anti-inflammatory properties of the hydroalcoholic extract of stems from Equisetum arvense L. in mice. Pharmacol Res. 2004;49:239-43 pubmed
    In this study, antinociceptive and anti-inflammatory effects of hydroalcoholic extract of stem from Equisetum arvense in mice were evaluated. The extract (10, 25, 50 and 100mgkg(-1), i.p...
  23. Bégu D, Araya A. The horsetail Equisetum arvense mitochondria share two group I introns with the liverwort Marchantia, acquired a novel group II intron but lost intron-encoded ORFs. Curr Genet. 2009;55:69-79 pubmed publisher
    We studied the genomic structure and RNA editing of mitochondrial cox1, cox2, cob and atp9 from the horsetail Equisetum arvense, a representative of an old fern lineage...
  24. Fry S, Mohler K, Nesselrode B, Franková L. Mixed-linkage beta-glucan : xyloglucan endotransglucosylase, a novel wall-remodelling enzyme from Equisetum (horsetails) and charophytic algae. Plant J. 2008;55:240-52 pubmed publisher
    ..MLG), a hemicellulose long thought to be confined to certain Poales, was recently also found in Equisetum; xyloglucan occurs in all land plants...
  25. Kurisu G, Nishiyama D, Kusunoki M, Fujikawa S, Katoh M, Hanke G, et al. A structural basis of Equisetum arvense ferredoxin isoform II producing an alternative electron transfer with ferredoxin-NADP+ reductase. J Biol Chem. 2005;280:2275-81 pubmed
    We have determined the crystal structure, at 1.2-A resolution, of Equisetum arvense ferredoxin isoform II (FdII), which lacks residues equivalent to Arg(39) and Glu(28) highly conserved among other ferredoxins (Fds)...
  26. Pryer K, Schneider H, Smith A, Cranfill R, Wolf P, Hunt J, et al. Horsetails and ferns are a monophyletic group and the closest living relatives to seed plants. Nature. 2001;409:618-22 pubmed
    ..This refutes the prevailing view that horsetails and ferns are transitional evolutionary grades between bryophytes and seed plants, and has important implications for our understanding of the development and evolution of plants...
  27. Guillon J. Molecular phylogeny of horsetails (Equisetum) including chloroplast atpB sequences. J Plant Res. 2007;120:569-74 pubmed
    b>Equisetum is a genus of 15 extant species that are the sole surviving representatives of the class Sphenopsida. The generally accepted taxonomy of Equisetum recognizes two subgenera: Equisetum and Hippochaete...
  28. Francescato L, Debenedetti S, Schwanz T, Bassani V, Henriques A. Identification of phenolic compounds in Equisetum giganteum by LC-ESI-MS/MS and a new approach to total flavonoid quantification. Talanta. 2013;105:192-203 pubmed publisher
    b>Equisetum giganteum L., commonly called "giant horsetail", is an endemic species of Latin America...
  29. Ryu J, Ahn H, Kim J, Kim Y. Inhibitory activity of plant extracts on nitric oxide synthesis in LPS-activated macrophages. Phytother Res. 2003;17:485-9 pubmed
    ..These plants are promising candidates for the study of the activity-guided purification of active compounds and would be useful for the treatment of inflammatory diseases and endotoxemia accompanying overproduction of NO. ..
  30. Anhäuser M. Pharmacists seek the solution of a shaman. Drug Discov Today. 2003;8:868-9 pubmed
  31. Mushegian A, Shipunov A, Elena S. Changes in the composition of the RNA virome mark evolutionary transitions in green plants. BMC Biol. 2016;14:68 pubmed publisher
    ..including algae, mosses, liverworts (Marchantiophyta), hornworts (Anthocerotophyta), lycophytes, a horsetail Equisetum, and gymnosperms...
  32. Garcia D, Ramos A, Sanchis V, Marin S. Equisetum arvense hydro-alcoholic extract: phenolic composition and antifungal and antimycotoxigenic effect against Aspergillus flavus and Fusarium verticillioides in stored maize. J Sci Food Agric. 2013;93:2248-53 pubmed publisher
    ..In this study, Equisetum arvense extract was tested for the efficacy on Aspergillus section Flavi and Fusarium section Liseola growth...
  33. Churqui M, Lind L, Thörn K, Svensson A, Savolainen O, Aranda K, et al. Extracts of Equisetum giganteum L and Copaifera reticulate Ducke show strong antiviral activity against the sexually transmitted pathogen herpes simplex virus type 2. J Ethnopharmacol. 2018;210:192-197 pubmed publisher
    b>Equisetum giganteum L and Copaifera reticulate Ducke have been traditionally used by women of the Tacana tribe in the Bolivian Amazonas for genital hygiene and for treatment of genital infection/inflammation...
  34. Sola Rabada A, Sahare P, Hickman G, Vasquez M, Canham L, Perry C, et al. Biogenic porous silica and silicon sourced from Mexican Giant Horsetail (Equisetum myriochaetum) and their application as supports for enzyme immobilization. Colloids Surf B Biointerfaces. 2018;166:195-202 pubmed publisher
    ..In this contribution, biosilica extracted from a rarely studied plant material (Equisetum Myriochaetum), its conversion to silicon and the potential for both materials to be used as supports for enzyme ..
  35. Main A, Fehr J, Liber K, Headley J, Peru K, Morrissey C. Reduction of neonicotinoid insecticide residues in Prairie wetlands by common wetland plants. Sci Total Environ. 2017;579:1193-1202 pubmed publisher
    ..Three plant species showed high rates of detection: 78% Equisetum arvense (clothianidin, range: <LOQ-2.01μg/kg), 65% Alisma triviale (imidacloprid, range: <LOQ-2...
  36. Garcia D, Ramos A, Sanchis V, Marin S. Effect of Equisetum arvense and Stevia rebaudiana extracts on growth and mycotoxin production by Aspergillus flavus and Fusarium verticillioides in maize seeds as affected by water activity. Int J Food Microbiol. 2012;153:21-7 pubmed publisher
    ..Plant extracts, particularly those of Equisetum arvense and Stevia rebaudiana have been reported previously to contain antioxidant compounds which may have ..
  37. Almeida N, Saldanha L, da Silva R, Pinke K, da Costa E, Porto V, et al. Antimicrobial activity of denture adhesive associated with Equisetum giganteum- and Punica granatum-enriched fractions against Candida albicans biofilms on acrylic resin surfaces. Biofouling. 2017;:1-12 pubmed publisher
    ..This article reports the antimicrobial activity of the enriched fractions of Equisetum giganteum and Punica granatum incorporated into a denture adhesive against C. albicans biofilm...
  38. Fischer A, Brodziak Dopierała B, Loska K, Stojko J. The Assessment of Toxic Metals in Plants Used in Cosmetics and Cosmetology. Int J Environ Res Public Health. 2017;14: pubmed publisher
    ..aim of the study was to determine the concentrations of Pb, Cd and Hg in selected species of herbs (horsetail Equisetum arvense, nettle Urtica dioica, St...
  39. Diotallevi F, Mulder B, Grasman J. On the robustness of the geometrical model for cell wall deposition. Bull Math Biol. 2010;72:869-95 pubmed publisher
    ..Although details of the solutions do change, we find that in all cases the overall character of the helicoidal solutions is preserved. ..
  40. Vivancos J, Deshmukh R, Grégoire C, Rémus Borel W, Belzile F, Bélanger R. Identification and characterization of silicon efflux transporters in horsetail (Equisetum arvense). J Plant Physiol. 2016;200:82-9 pubmed publisher
    ..Much less is known about Lsi2s that have been characterized in only a few species. Horsetail (Equisetum arvense), known among the highest Si accumulators in the plant kingdom, is a valuable model to study Si ..
  41. Das G, Patra J, Baek K. Antibacterial Properties of Endophytic Bacteria Isolated from a Fern Species Equisetum arvense L. Against Foodborne Pathogenic Bacteria Staphylococcus aureus and Escherichia coli O157:H7. Foodborne Pathog Dis. 2017;14:50-58 pubmed publisher
    ..In this study, EB were isolated from the bottle brush herb Equisetum arvense and identified based on 16S rRNA sequencing...
  42. Liu S, Kuok C. Preparation of stable tetraethylenepentamine-modified ordered mesoporous silica sorbents by recycling natural Equisetum ramosissimum. Chemosphere. 2018;191:566-572 pubmed publisher
    ..In this study, ordered mesoporous silicas (E-SBA-15) have been prepared by using Equisetum ramosissimum plants as the silica sources and their subsequently incorporating with amino-containing compounds (..
  43. Baracho N, Vicente B, Arruda G, Sanches B, Brito J. Study of acute hepatotoxicity of Equisetum arvense L. in rats. Acta Cir Bras. 2009;24:449-53 pubmed
    ..The oral treatment with graded doses of Equisentum arvense L. was not able to produce hepatic changes. Further studies are necessary to evaluate the chronic hepatotoxicity of Equisentum arvense L. in rats. ..
  44. Raman G, Choi K, Park S. Phylogenetic Relationships of the Fern Cyrtomium falcatum (Dryopteridaceae) from Dokdo Island, Sea of East Japan, Based on Chloroplast Genome Sequencing. Genes (Basel). 2016;7: pubmed
    ..Phylogenetic analyses showed that Equisetum was found to be a sister clade to Psilotales-Ophioglossales with a 100% bootstrap (BS) value...
  45. Revilla M, Andrade Cetto A, Islas S, Wiedenfeld H. Hypoglycemic effect of Equisetum myriochaetum aerial parts on type 2 diabetic patients. J Ethnopharmacol. 2002;81:117-20 pubmed
    The hypoglycemic effect of a water extract from aerial parts (0.33 g/kg) of Equisetum myriochaetum Schlecht and Cham (Equisetaceae) was analyzed in 11 recently diagnosed type 2 diabetic patients...
  46. Malinowska E, Jankowski K. Pesticide residues in some herbs growing in agricultural areas in Poland. Environ Monit Assess. 2015;187:775 pubmed publisher
    ..Cichorium intybus L., Equisetum arvense L., Polygonum persicaria L., Plantago lanceolata L., and Plantago major L...
  47. Steinborn C, Potterat O, Meyer U, Trittler R, Stadlbauer S, Huber R, et al. In Vitro Anti-inflammatory Effects of Equisetum arvense Are Not Solely Mediated by Silica. Planta Med. 2017;: pubmed publisher
    i>Equisetum arvense, known as common horsetail, is used for the treatment of inflammatory diseases and is the plant with the highest concentration of silica...
  48. Yesilada E, Gurbuz I. Evaluation of the antiulcerogenic activity profile of a flavonol diglucoside from Equisetum palustre L. J Ethnopharmacol. 2010;131:17-21 pubmed publisher
    The aerial parts of Equisetum palustre L. are used to treat peptic ulcer disease in Turkey. In a previous study, a flavonol diglucoside i.e...
  49. Kołodziejska J, Berner Strzelczyk A, Piechota Urbanska M. [Dry plant extracts in the prescription of dental hydrogels with Carbopol 971P]. Polim Med. 2009;39:27-35 pubmed
  50. Langhammer A, Nilsen O. In vitro inhibition of human CYP1A2, CYP2D6, and CYP3A4 by six herbs commonly used in pregnancy. Phytother Res. 2014;28:603-10 pubmed publisher
    ..In addition, fennel and raspberry leaf might cause a clinically relevant inhibition of intestinal CYP3A4. The in vivo inhibitory potential of these herbs towards specific CYP enzymes should be further investigated...
  51. Currie H, Perry C. Resolution of complex monosaccharide mixtures from plant cell wall isolates by high pH anion exchange chromatography. J Chromatogr A. 2006;1128:90-6 pubmed
    ..The preferred methods have been used to successfully identify and quantify the monosaccharide components of a selected extract from the plant cell wall of the primitive higher plant Equisetum arvense.
  52. Sakamaki Y, Ino Y. Tubers and rhizome fragments as propagules: competence for vegetative reproduction in Equisetum arvense. J Plant Res. 2006;119:677-83 pubmed
    Rhizome fragments (referred to as "fragments") and tubers of Equisetum arvense L. were cultured in order to investigate their competence with respect to vegetative reproduction...
  53. Sakurai N, Iizuka T, Nakayama S, Funayama H, Noguchi M, Nagai M. [Vasorelaxant activity of caffeic acid derivatives from Cichorium intybus and Equisetum arvense]. Yakugaku Zasshi. 2003;123:593-8 pubmed
    ..of chicoric acid (Compound 1) from Cichorium intybus and dicaffeoyl-meso-tartaric acid (Compound 2) from Equisetum arvense L. in isolated rat aorta strips were studied...
  54. Kanchanapoom T, Otsuka H, Ruchirawat S. Megastigmane glucosides from Equisetum debile and E. diffusum. Chem Pharm Bull (Tokyo). 2007;55:1277-80 pubmed
    ..3,9-O-beta-D-diglucopyranoside (3), was isolated from the aerial portion of Equisetum debile along with macarangioside D (debiloside A), sammangaoside A, (6R,9S)-3-oxo-alpha-ionol 9-O-beta-D-..
  55. Gallo F, Multari G, Federici E, Palazzino G, Giambenedetti M, Petitto V, et al. Chemical fingerprinting of Equisetum arvense L. using HPTLC densitometry and HPLC. Nat Prod Res. 2011;25:1261-70 pubmed publisher
    b>Equisetum arvense L. is a herbaceous medicinal plant, commonly known as horsetail, whose extracts have been reported to possess diuretic and haemostatic properties...
  56. Tan J, Qiu Y, Tan X, Tan C, Xiao K. Chemical constituents of Equisetum debile. J Asian Nat Prod Res. 2011;13:811-6 pubmed publisher
    Three new compounds, debilitriol (1), debilignanoside (2), and equisetumine (3), along with nine known compounds, were isolated from the whole plant of Equisetum debile. Their structures were elucidated by spectral and chemical methods.
  57. Sapei L, Gierlinger N, Hartmann J, Nöske R, Strauch P, Paris O. Structural and analytical studies of silica accumulations in Equisetum hyemale. Anal Bioanal Chem. 2007;389:1249-57 pubmed
    Horsetail (Equisetum spp.) is known as one of the strongest accumulators of silicon among higher terrestrial plants...
  58. Sakamaki Y, Ino Y. Response of non-structural carbohydrate content of belowground parts in Equisetum arvense according to the irradiance change during a growing season. J Plant Res. 2004;117:385-91 pubmed
    Effects of shading on the growth of Equisetum arvense during the growing season were studied in terms of the dynamics of non-structural carbohydrates (starch, sucrose, glucose). Tubers of 0.04 g dry mass were planted in pots...
  59. Kim Y, Narayanan S, Chang K. Inhibition of influenza virus replication by plant-derived isoquercetin. Antiviral Res. 2010;88:227-35 pubmed publisher
    ..Our results suggest that isoquercetin may have the potential to be developed as a therapeutic agent for the treatment of influenza virus infection and for the suppression of resistance in combination therapy with existing drugs...
  60. Bennert W, Lubienski M, Körner S, Steinberg M. Triploidy in Equisetum subgenus Hippochaete (Equisetaceae, Pteridophyta). Ann Bot. 2005;95:807-15 pubmed
    The genus Equisetum is cytologically uniform, having a base chromosome number of x = 108. All previously known species and hybrids that have been counted represent diploids with a sporophytic chromosome number of 2n = 216...
  61. Hössel D, Schmeiser C, Hertel R. Specificity patterns indicate that auxin exporters and receptors are the same proteins. Plant Biol (Stuttg). 2005;7:41-8 pubmed
    ..This finding supports the hypothesis that a common protein mediates auxin efflux as well as auxin action on elongation...
  62. Torstensson L, Börjesson E. Use of imazapyr against Equisetum arvense on Swedish railway tracks. Pest Manag Sci. 2004;60:565-9 pubmed
    Since glyphosate has been used extensively for weed control in Swedish railway tracks, common horsetail (Equisetum arvense L), previously relatively rare, has become very common...
  63. Rincón Barón E, Torres G, Rolleri C. [Sporogenesis and spores of Equisetum bogotense (Equisetaceae) from mountain areas of Colombia]. Rev Biol Trop. 2013;61:1067-81 pubmed
    Studies on some reproductive traits in Equisetum species are scarce and valuable to understand species distribution. Therefore, a detailed study of the sporogenesis process and spore development in E...
  64. Marmottant P, Ponomarenko A, Bienaimé D. The walk and jump of Equisetum spores. Proc Biol Sci. 2013;280:20131465 pubmed publisher
    b>Equisetum plants (horsetails) reproduce by producing tiny spherical spores that are typically 50 µm in diameter...
  65. Simmons T, Uhrin D, Gregson T, Murray L, Sadler I, Fry S. An unexpectedly lichenase-stable hexasaccharide from cereal, horsetail and lichen mixed-linkage ?-glucans (MLGs): implications for MLG subunit distribution. Phytochemistry. 2013;95:322-32 pubmed publisher
    ..hemicellulose, known to occur in three widely separated lineages: the Poales (including grasses and cereals), Equisetum (fern-allies), and some lichens e.g. Iceland moss (Cetraria islandica). Lichenase (E.C. 3.2.1...
  66. Mulder B, Emons A. A dynamical model for plant cell wall architecture formation. J Math Biol. 2001;42:261-89 pubmed
    ..We discuss the analytic solutions of the model that give rise to helicoidal, crossed polylamellate, helical, axial and random textures, since all cell walls are composed of (or combinations of) these textures...
  67. Roshchina V, Mel nikova E, Iashin V, Karnaukhov V. [Autofluorescence of intact Equisetum arvense L. spores during their development]. Biofizika. 2002;47:318-24 pubmed
    The autofluorescence of horsetail Equisetum arvense spores excited with UV-light of 360-380 nm was studied by microspectrofluorimetry during their development from an individual cell to the formation of a multicellular thallus with the ..
  68. Sevior D, Hokkanen J, Tolonen A, Abass K, Tursas L, Pelkonen O, et al. Rapid screening of commercially available herbal products for the inhibition of major human hepatic cytochrome P450 enzymes using the N-in-one cocktail. Xenobiotica. 2010;40:245-54 pubmed publisher
  69. Channing A, Zamuner A, Edwards D, Guido D. Equisetum thermale sp. nov. (Equisetales) from the Jurassic San Agustín hot spring deposit, Patagonia: anatomy, paleoecology, and inferred paleoecophysiology. Am J Bot. 2011;98:680-97 pubmed publisher
    Dated molecular phylogenies suggest a Cenozoic origin for the crown group of Equisetum. but compression fossil equisetaleans that are morphologically indistinguishable from extant Equisetum and recently discovered anatomically preserved ..
  70. Knox J. Mapping the walls of the kingdom: the view from the horsetails. New Phytol. 2008;179:1-3 pubmed publisher
  71. Antoniuk V, Dubits kyĭ O. [Carbohydrate specificity of lectins from plants of the genus horsetail]. Ukr Biokhim Zh (1999). 2002;74:109-12 pubmed
    Carbohydrate specificity of partially purified lectins from 4 species of plants: horse-tail genus Equisetum (Equisetum arvense L., E. sylvaticum L., E. hyemale L. and E. tempatelia Ehrh.) has been studies...
  72. Long J, Schumacher J, Livingston N, Kemp M. Four flippers or two? Tetrapodal swimming with an aquatic robot. Bioinspir Biomim. 2006;1:20-9 pubmed
    ..Thus four flippers produce superior surge behavior but do so at high cost; two flippers serve well for lost-cost cruising...
  73. Nadaf M, Mortazavi M, Halimi M. Flora, life forms and chorotypes of plants of Salok protected area (North Khorassan Province Iran). Pak J Biol Sci. 2011;14:34-40 pubmed
    ..67%). The most of plants chorotype with 62.91% is influenced by Irano-Touranina elements. Among 213 identified species of this region and 15 species endemic of Iran contain 0.87% of total endemic species of Iran's flora...