centaurea

Summary

Summary: A plant genus of the family ASTERACEAE. Members contain 5-methyl-8-hydroxycoumarin. The common name of centaury is more often used for CENTAURIUM

Top Publications

  1. ncbi Ecology. Making allelopathy respectable
    Alastair Fitter
    Department of Biology, University of York, York YO10 5YW, UK
    Science 301:1337-8. 2003
  2. pmc Toxic inhibition of smooth muscle contractility by plant-derived sesquiterpenes caused by their chemically reactive alpha-methylenebutyrolactone functions
    A J Hay
    Pharmacology Group, King s College, London
    Br J Pharmacol 112:9-12. 1994
  3. ncbi Allelopathy and exotic plant invasion: from molecules and genes to species interactions
    Harsh P Bais
    Department of Horticulture and Landscape Architecture, Cell and Molecular Biology Program, and Graduate Degree Program in Ecology, Colorado State University, Fort Collins, CO 80523, USA
    Science 301:1377-80. 2003
  4. ncbi Sesquiterpene lactones from Centaurea musimomum. Antiplasmodial and cytotoxic activities
    Kamel Medjroubi
    Departement de Chimie, Faculte des Sciences, Universite Mentouri de Constantine, Route de Aïn El Bey 25000, Constantine, Algerie
    Fitoterapia 76:744-6. 2005
  5. ncbi Evidence for multiple introductions of Centaurea stoebe micranthos (spotted knapweed, asteraceae) to North America
    R A Marrs
    Department of Bioagricultural Sciences and Pest Management, Campus Delivery 1177, Colorado State University, Fort Collins, CO 80523, USA
    Mol Ecol 17:4197-208. 2008
  6. pmc Predicting current and future biological invasions: both native and invaded ranges matter
    Olivier Broennimann
    Department of Ecology and Evolution, University of Lausanne, 1015 Lausanne, Switzerland
    Biol Lett 4:585-9. 2008
  7. ncbi Soil biota and exotic plant invasion
    Ragan M Callaway
    Division of Biological Sciences, The University of Montana, Missoula, Montana 59812, USA
    Nature 427:731-3. 2004
  8. ncbi Shift in cytotype frequency and niche space in the invasive plant Centaurea maculosa
    Urs A Treier
    Department of Biology, Unit of Ecology and Evolution, University of Fribourg, Chemin du Musee 10, CH 1700 Fribourg, Switzerland
    Ecology 90:1366-77. 2009
  9. doi Novel weapons and invasion: biogeographic differences in the competitive effects of Centaurea maculosa and its root exudate (+/-)-catechin
    Wei Ming He
    State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences CAS, Beijing 100093, China
    Oecologia 159:803-15. 2009
  10. pmc Fine-scale genetic structure and gene dispersal in Centaurea corymbosa (Asteraceae). II. Correlated paternity within and among sibships
    Olivier J Hardy
    Laboratoire de Génétique et Ecologie Végétales, Universite Libre de Bruxelles, 1160 Brussels, Belgium
    Genetics 168:1601-14. 2004

Detail Information

Publications182 found, 100 shown here

  1. ncbi Ecology. Making allelopathy respectable
    Alastair Fitter
    Department of Biology, University of York, York YO10 5YW, UK
    Science 301:1337-8. 2003
  2. pmc Toxic inhibition of smooth muscle contractility by plant-derived sesquiterpenes caused by their chemically reactive alpha-methylenebutyrolactone functions
    A J Hay
    Pharmacology Group, King s College, London
    Br J Pharmacol 112:9-12. 1994
    ..done (a) by comparing the effects of two plant-derived sesquiterpene lactones purified from yellow star thistle (Centaurea solstitialis): cynaropicrin (an alpha-methylenebutyrolactone) and solstitialin 13-acetate (lacking the alpha-..
  3. ncbi Allelopathy and exotic plant invasion: from molecules and genes to species interactions
    Harsh P Bais
    Department of Horticulture and Landscape Architecture, Cell and Molecular Biology Program, and Graduate Degree Program in Ecology, Colorado State University, Fort Collins, CO 80523, USA
    Science 301:1377-80. 2003
    Here we present evidence that Centaurea maculosa (spotted knapweed), an invasive species in the western United States, displaces native plant species by exuding the phytotoxin (-)-catechin from its roots...
  4. ncbi Sesquiterpene lactones from Centaurea musimomum. Antiplasmodial and cytotoxic activities
    Kamel Medjroubi
    Departement de Chimie, Faculte des Sciences, Universite Mentouri de Constantine, Route de Aïn El Bey 25000, Constantine, Algerie
    Fitoterapia 76:744-6. 2005
    The chloroform extract of the aerial parts of Centaurea musimomum exhibited significant activity against Plasmodium falciparum. The phytochemical study of this extract gave seven native and four acetylated sesquiterpene lactones.
  5. ncbi Evidence for multiple introductions of Centaurea stoebe micranthos (spotted knapweed, asteraceae) to North America
    R A Marrs
    Department of Bioagricultural Sciences and Pest Management, Campus Delivery 1177, Colorado State University, Fort Collins, CO 80523, USA
    Mol Ecol 17:4197-208. 2008
    ..We ask how many introductions have occurred in the North American weed Centaurea stoebe micranthos (Asteraceae), and explore whether genetic diversity and population structure have changed as a ..
  6. pmc Predicting current and future biological invasions: both native and invaded ranges matter
    Olivier Broennimann
    Department of Ecology and Evolution, University of Lausanne, 1015 Lausanne, Switzerland
    Biol Lett 4:585-9. 2008
    ..We show that this pooled approach improves prediction of the extent of invasion of spotted knapweed (Centaurea maculosa) in North America on models based solely on the European native range...
  7. ncbi Soil biota and exotic plant invasion
    Ragan M Callaway
    Division of Biological Sciences, The University of Montana, Missoula, Montana 59812, USA
    Nature 427:731-3. 2004
    ..Here we report that soil microbes from the home range of the invasive exotic plant Centaurea maculosa L...
  8. ncbi Shift in cytotype frequency and niche space in the invasive plant Centaurea maculosa
    Urs A Treier
    Department of Biology, Unit of Ecology and Evolution, University of Fribourg, Chemin du Musee 10, CH 1700 Fribourg, Switzerland
    Ecology 90:1366-77. 2009
    ..We tested this hypothesis with Centaurea maculosa Lam...
  9. doi Novel weapons and invasion: biogeographic differences in the competitive effects of Centaurea maculosa and its root exudate (+/-)-catechin
    Wei Ming He
    State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences CAS, Beijing 100093, China
    Oecologia 159:803-15. 2009
    Recent studies suggest that the invasive success of Centaurea maculosa may be related to its stronger allelopathic effects on native North American species than on related European species, one component of the "novel weapons" hypothesis...
  10. pmc Fine-scale genetic structure and gene dispersal in Centaurea corymbosa (Asteraceae). II. Correlated paternity within and among sibships
    Olivier J Hardy
    Laboratoire de Génétique et Ecologie Végétales, Universite Libre de Bruxelles, 1160 Brussels, Belgium
    Genetics 168:1601-14. 2004
    ..pattern of correlated paternity was characterized within a population of the narrow-endemic model plant species, Centaurea corymbosa, using microsatellites and natural progeny arrays...
  11. ncbi Americanin, a bioactive dibenzylbutyrolactone lignan, from the seeds of Centaurea americana
    Mohammad Shoeb
    Department of Chemistry, University of Dhaka, Dhaka 1000, Bangladesh
    Phytochemistry 67:2370-5. 2006
    The reversed-phase preparative HPLC analysis of the methanol (MeOH) extract of the seeds of Centaurea americana afforded a dibenzylbutyrolactone lignan, 3''-O-caffeoyl arctiin (named americanin), together with five known lignans, arctiin,..
  12. doi Volatile constituents of aerial parts of three endemic Centaurea species from Turkey: Centaurea amanicola Hub.-Mor., Centaurea consanguinea DC. and Centaurea ptosimopappa Hayek and their antibacterial activities
    Carmen Formisano
    Dipartimento di Chimica delle Sostanze Naturali, Universita degli Studi di Napoli Federico II, Napoli, Italy
    Nat Prod Res 22:833-9. 2008
    The volatile constituents of the aerial parts of Centaurea amanicola Hub.-Mor., Centaurea consanguinea DC. and Centaurea ptosimopappa Hayek were extracted by hydrodistillation and analysed by GC and GC-MS...
  13. pmc Anthropogenic disturbance as a driver of microspatial and microhabitat segregation of cytotypes of Centaurea stoebe and cytotype interactions in secondary contact zones
    Patrik Mráz
    Department of Biology, Unit of Ecology and Evolution, University of Fribourg, Chemin du Musee 10, CH 1700 Fribourg, Switzerland
    Ann Bot 110:615-27. 2012
    ..Here, an assessment is made of the mechanisms involved in formation of mixed-ploidy populations and coexistence of diploid plants and their closely related allotetraploid derivates from the Centaurea stoebe complex (Asteraceae).
  14. ncbi Purified salograviolide A isolated from centaurea ainetensis causes growth inhibition and apoptosis in neoplastic epidermal cells
    Akram Ghantous
    Department of Biology, American University of Beirut, Beirut, Lebanon
    Int J Oncol 32:841-9. 2008
    ..We tested for the anticancer properties of extracts isolated from Centaurea ainetensis, a plant species endemic to Lebanon and which is often used in folk medicine...
  15. ncbi Minor sesquiterpene lactones from Centaurea pullata and their antimicrobial activity
    Samah Djeddi
    Department of Pharmacognosy, School of Pharmacy, University of Athens, Panepistimiopolis, Zografou, 157 71, Athens, Greece
    J Nat Prod 70:1796-9. 2007
    The aerial parts of Centaurea pullata afforded, in addition to the previously isolated sesquiterpene lactones, 11beta,13-dihydrocnicin and 11beta,13-dihydro-19-desoxycnicin, three minor sesquiterpene lactones, namely, a new ..
  16. doi Increased population growth rate in invasive polyploid Centaurea stoebe in a common garden
    Min A Hahn
    Department of Biology, Ecology and Evolution, University of Fribourg, Chemin du Musee 10, 1700, Fribourg, Switzerland
    Ecol Lett 15:947-54. 2012
    ..Native European Centaurea stoebe occurs as two cytotypes with different life histories (monocarpic diploids, polycarpic tetraploids); ..
  17. ncbi Reconciling contradictory findings of herbivore impacts on spotted knapweed (Centaurea stoebe) growth and reproduction
    David G Knochel
    Department of Ecology and Evolutionary Biology, Institute of Arctic and Alpine Research, University of Colorado, Boulder, Colorado 80309, USA
    Ecol Appl 20:1903-12. 2010
    Substantial controversy surrounds the efficacy of biological control insects to reduce densities of Centaurea stoebe, a widespread, aggressive invasive plant in North America...
  18. ncbi Anti-colon cancer effects of Salograviolide A isolated from Centaurea ainetensis
    Nahed El-Najjar
    Department of Biology, American University of Beirut, Beirut 1107 2020, Lebanon
    Oncol Rep 19:897-904. 2008
    The antitumor activity of extracts of Centaurea ainetensis (C. ainetensis), a plant endemic to Lebanon, was investigated in human colon carcinoma cells...
  19. doi Atractylis gummifera and Centaurea ornata in the Province of Badajoz (Extremadura, Spain)-Ethnopharmacological importance and toxicological risk
    J R Vallejo
    Grupo de Investigación en Humanidades Médicas, Facultad de Medicina, Universidad de Extremadura, 06071 Badajoz, Spain
    J Ethnopharmacol 126:366-70. 2009
    Atractylis gummifera L. and Centaurea ornata Willd. are locally marketed herbal remedies, even though in Spain it is forbidden to sell toxic plants like Atractylis gummifera...
  20. doi Allopolyploid origin of highly invasive Centaurea stoebe s.l. (Asteraceae)
    Patrik Mráz
    Department of Biology, Unit of Ecology and Evolution, University of Fribourg, Chemin du Musee 10, CH 1700 Fribourg, Switzerland
    Mol Phylogenet Evol 62:612-23. 2012
    Spotted knapweed (Centaurea stoebe) occurs from Western Asia to Western Europe both as diploid and tetraploid cytotypes, predominantly in single-cytotype populations with higher frequency of diploid populations...
  21. doi Volatile constituents of aerial parts of Centaurea sibthorpii (Sect. Carduiformes, Asteraceae) from Greece and their biological activity
    Carmen Formisano
    Dipartimento di Chimica delle Sostanze Naturali, Universita degli Studi di Napoli Federico II, I 80131 Napoli, Italy
    Nat Prod Res 22:840-5. 2008
    The volatile constituents of the aerial parts of Centaurea sibthorpii [Sect. Carduiformes, Asteraceae] collected in Greece were extracted by hydrodistillation and analysed by GC and GC-MS. Altogether 63 components were identified...
  22. doi Potent anti-platelet constituents from Centaurea iberica
    Amna Nisar Khan
    International Centre for Chemical and Biological Sciences, HEJ Research Institute of Chemistry, University of Karachi, Karachi 75270, Pakistan
    Molecules 16:2053-64. 2011
    ..2, along with a new dimeric lignan glucoside 3, have been isolated from the ethyl acetate soluble fraction of Centaurea iberica. Their structures have been elucidated through spectroscopic techniques...
  23. ncbi Soil fungal abundance and diversity: another victim of the invasive plant Centaurea maculosa
    Amanda K Broz
    Center for Rhizosphere Biology, Colorado State University, Fort Collins, CO, USA
    ISME J 1:763-5. 2007
    ..and diversity in the soil surrounding a particularly aggressive invasive plant species in North America, Centaurea maculosa Lam...
  24. ncbi Components of protocyanin, a blue pigment from the blue flowers of Centaurea cyanus
    Kosaku Takeda
    Department of Biology, Tokyo Gakugei University, Koganei, Tokyo 184 8501, Japan
    Phytochemistry 66:1607-13. 2005
    The components involved in the formation of protocyanin, a stable blue complex pigment from the blue cornflower, Centaurea cyanus, were investigated...
  25. pmc Effective long-distance pollen dispersal in Centaurea jacea
    Matthias Albrecht
    Institute of Environmental Sciences, University of Zurich, Zurich, Switzerland
    PLoS ONE 4:e6751. 2009
    ..However, little is known about their effects on gene flow via pollen dispersal between populations of these species...
  26. ncbi Trait-mediated interactions and lifetime fitness of the invasive plant Centaurea solstitialis
    Sarah M Swope
    Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, California 95064, USA
    Ecology 91:2284-93. 2010
    ..b>Centaurea solstitialis is one of the most problematic invasive weeds in California, USA, and the weevil Eustenopus ..
  27. ncbi Satellite-DNA evolutionary patterns under a complex evolutionary scenario: the case of Acrolophus subgroup (Centaurea L., Compositae) from the western Mediterranean
    Víctor N Suárez-Santiago
    Departamento de Botanica, Facultad de Ciencias, Universidad de Granada, Granada, Spain
    Gene 404:80-92. 2007
    Within the genus Centaurea (subtribe Centaureinae, tribe Cardueae, Compositae) hybridizations and reticulate-evolution phenomena have widely been recognized...
  28. doi Cytogenetic studies of three European species of Centaurea L. (Asteraceae)
    Marta Dydak
    Department of Plant Anatomy and Cytology, University of Silesia, Katowice, Poland
    Hereditas 146:152-61. 2009
    Cytogenetic analysis of several populations of Centaurea jacea (2n = 4x = 44), C. oxylepis (2n = 4x = 44) and C. phrygia (2n = 2x = 22) was performed using flow cytometry, differential chromosome staining and FISH...
  29. ncbi Realistic species losses disproportionately reduce grassland resistance to biological invaders
    Erika S Zavaleta
    Environmental Studies Department, University of California, Santa Cruz, CA 95064, USA
    Science 306:1175-7. 2004
    ..Realistic biodiversity losses, even of rare species, can thus affect ecosystem processes far more than indicated by randomized-loss experiments...
  30. ncbi Can plant biochemistry contribute to understanding of invasion ecology?
    - Inderjit
    Centre for Environmental Management of Degraded Ecosystems CEMDE, University of Delhi, Delhi 110007, India
    Trends Plant Sci 11:574-80. 2006
    ..Recently, a biochemical explanation was proposed--the "novel weapons hypothesis"--based on findings that Centaurea diffusa and Centaurea maculosa produce bioactive compounds (weapons) that are more active against naïve plant ..
  31. doi Is (-)-catechin a novel weapon of spotted knapweed (Centaurea stoebe)?
    Stephen O Duke
    NPURU, USDA, ARS, University, Oxford, MS 38677, USA
    J Chem Ecol 35:141-53. 2009
    ..Previous studies have claimed that catechin is such a novel weapon of spotted knapweed (Centaurea stoebe = C. maculosa), an invasive species in the non-native habitat of North America...
  32. ncbi Intraspecific and interspecific interactions mediated by a phytotoxin, (-)-catechin, secreted by the roots of Centaurea maculosa (spotted knapweed)
    Tiffany L Weir
    Department of Horticulture and Landscape Architecture, Colorado State University, Fort Collins, Colorado 80523 1173, USA
    J Chem Ecol 29:2397-412. 2003
    ..maculosa to invade an area through allelochemistry may be dependent on the age and species composition of plants in that area...
  33. pmc A first step in understanding an invasive weed through its genes: an EST analysis of invasive Centaurea maculosa
    Amanda K Broz
    Center for Rhizosphere Biology, Colorado State University, Fort Collins, CO 80523 1173, USA
    BMC Plant Biol 7:25. 2007
    ..Limited genetic resources are available for most invasive and weedy species, making it difficult to study molecular and genetic aspects that may be associated with invasion...
  34. doi Dual purpose secondary compounds: phytotoxin of Centaurea diffusa also facilitates nutrient uptake
    Nishanth Tharayil
    Plant, Soil, and Insect Sciences, University of Massachusetts, Amherst, MA 01003, USA
    New Phytol 181:424-34. 2009
    ..Using nutrient manipulation treatments in hydroponic culture, this hypothesis was tested using Centaurea diffusa, an invasive species that produces the putative phytotoxin 8-hydroxyquinoline (8HQ)...
  35. ncbi In vitro antioxidant activity of Polygonium hyrcanicum, Centaurea depressa, Sambucus ebulus, Mentha spicata and Phytolacca americana
    Seyed Jalal Hosseinimehr
    Department of Medicinal Chemistry, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
    Pak J Biol Sci 10:637-40. 2007
    ..flavonoids, phenol contents and their radical scavenging activity using DPPH assays: Polygonium hyrcanicum, Centaurea depressa, Sambucus ebulus, Mentha spicata and Phytolacca americana...
  36. doi Antioxidant, alpha-amylase inhibitory and brine-shrimp toxicity studies on Centaurea centaurium L. methanolic root extract
    Filomena Conforti
    Department of Pharmaceutical Science, University of Calabria, Rende, CS, Italy
    Nat Prod Res 22:1457-66. 2008
    Free radical scavenging activity of the methanolic extract of the roots of Centaurea centaurium L. (Asteraceae) and its phenolic, non-polar and water fractions was measured using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay...
  37. ncbi Response of the aphid parasitoid Aphidius funebris to volatiles from undamaged and aphid-infested Centaurea nigra
    Martín Pareja
    Plant and Invertebrate Ecology Division, Rothamsted Research, Harpenden, Herts, AL5 2JQ, UK
    J Chem Ecol 33:695-710. 2007
    ..In this paper, we addressed both of these issues by studying the noncrop system involving the plant Centaurea nigra, the specialist aphid Uroleucon jaceae, and the parasitoid Aphidius funebris. In a Y-tube olfactometer, A...
  38. ncbi Isolation of anti-ulcerogenic sesquiterpene lactones from Centaurea solstitialis L. ssp. solstitialis through bioassay-guided fractionation procedures in rats
    Erdem Yesilada
    Department of Pharmacognosy, Gazi University, Faculty of Pharmacy, Etiler, 6330 Ankara, Turkey
    J Ethnopharmacol 95:213-9. 2004
    The fresh spiny flowers of Centaurea solstitialis ssp. solstitialis (CSS) are used for the treatment of peptic ulcers in Turkey...
  39. pmc Anti-inflammatory properties of Salograviolide A purified from Lebanese plant Centaurea ainetensis
    Jamal Al-Saghir
    Center for Biodiversity Studies, Interdisciplinary Biodiversity Studies in Arid Regions American University of Beirut, Beirut, Lebanon
    BMC Complement Altern Med 9:36. 2009
    ..found in the sunflower family Asteraceae and have been isolated from many plants of this family, particularly Centaurea. The anti-inflammatory activities of extract of Centaurea ainetensis, a Lebanese endemic plant, and the isolated ..
  40. ncbi Evidence of climatic niche shift during biological invasion
    O Broennimann
    Department of Ecology and Evolution, University of Lausanne, The Biophore, Lausanne, Switzerland
    Ecol Lett 10:701-9. 2007
    ..Climate matching is thus a useful approach to identify areas at risk of introduction and establishment of newly or not-yet-introduced neophytes, but may not predict the full extent of invasions...
  41. ncbi Fine-scale genetic structure and gene dispersal in Centaurea corymbosa (Asteraceae) I. Pattern of pollen dispersal
    O J Hardy
    Laboratoire de Génétique et Ecologie Végétales, Universite Libre de Bruxelles, Brussels, Belgium
    J Evol Biol 17:795-806. 2004
    Pollen dispersal was characterized within a population of the narrowly endemic perennial herb, Centaurea corymbosa, using exclusion-based and likelihood-based paternity analyses carried out on microsatellite data...
  42. ncbi A lack of evidence for an ecological role of the putative allelochemical (+/-)-catechin in spotted knapweed invasion success
    Amy C Blair
    Department of Bioagricultural Sciences and Pest Management, Colorado State University, Fort Collins, CO 80523 1177, USA
    J Chem Ecol 32:2327-31. 2006
    ..Adding to previous work, this paper sheds doubt on the importance of this chemical in spotted knapweed invasion success...
  43. ncbi Grassland invader responses to realistic changes in native species richness
    Matthew J Rinella
    U S Department of Agriculture, Agricultural Research Service, Livestock and Range Research Laboratory, 243 Fort Keogh Road, Miles City, Montana 59301 4016, USA
    Ecol Appl 17:1824-31. 2007
    ..Then we introduced and monitored the performance of a notorious invasive species (i.e., Centaurea maculosa)...
  44. ncbi Disturbance facilitates invasion: the effects are stronger abroad than at home
    Jos L Hierro
    Division of Biological Sciences, University of Montana, Missoula, MT 59812, USA
    Am Nat 168:144-56. 2006
    ..We investigated the effects of disturbance on the success of Eurasian native Centaurea solstitialis in two invaded regions, California and Argentina, and one native region, Turkey, by conducting ..
  45. ncbi Laboratory and realized host ranges of Chaetorellia succinea (Diptera: Tephritidae), an unintentionally introduced natural enemy of yellow starthistle
    Joe K Balciunas
    Exotic and Invasive Weed Research Unit, USDA ARS, Western Regional Research Center, 800 Buchanan Street, Albany, CA 94710, USA
    Environ Entomol 36:849-57. 2007
    ..and Oregon, of Chaetorellia succinea (Costa) (Diptera: Tephritidae) destroying the seeds of yellow starthistle, Centaurea solstitialis L., one of the worst weeds in the western United States...
  46. ncbi Plant-derived natural products exhibiting activity against formosan subterranean termites (Coptotermes formosanus)
    Kumudini M Meepagala
    USDA ARS, Natural Products Utilization Research Unit, PO Box 8048, University, MS 38677, USA
    Pest Manag Sci 62:565-70. 2006
    ..Calder & Taylor) and cnicin (isolated from Centaurea maculosa Lam.) exhibited significantly higher mortalities than in untreated controls in laboratory bioassay...
  47. ncbi Sesquiterpene lactones from Centaurea spinosa and their antibacterial and cytotoxic activities
    Vasiliki Saroglou
    Department of Pharmacognosy and Chemistry of Natural Products, School of Pharmacy, University of Athens, Panepistimiopolis, Zografou, GR 157 71, Athens, Greece
    J Nat Prod 68:1404-7. 2005
    ..10), were isolated from the aerial parts of Centaurea spinosa. Nine known flavonoids were also isolated...
  48. ncbi Variation in resource availability changes the impact of invasive thistles on native bunchgrasses
    Kimberly J Reever Morghan
    USDA Agricultural Research Service, 67826 A Hwy 205, Burns, Oregon 97720, USA
    Ecol Appl 16:528-39. 2006
    ..In this study we examined how the impact of an invasive thistle (Centaurea solstitialis) on a native perennial bunchgrass (Nassella pulchra) changed in response to variation in soil depth,..
  49. ncbi Sesquiterpenes from Centaurea aspera
    J Alberto Marco
    Departamento de Quimica Organica, Universidad de Valencia, E 46100 Burjassot, Valencia, Spain
    Phytochemistry 66:1644-50. 2005
    The aerial parts of two subspecies of Centaurea aspera L...
  50. ncbi First encounters--deployment of defence-related natural products by plants
    Ben Field
    Department of Metabolic Biology, John Innes Centre, Norwich, NR4 7UH, UK
    New Phytol 172:193-207. 2006
    ..The relationship between secretory processes and plant interactions forms the focus of this review, which brings together different aspects of the deployment of defence-related natural products by plants...
  51. ncbi Ecology. How extinction patterns affect ecosystems
    David Raffaelli
    Environment Department, University of York, York YO10 5DD, UK
    Science 306:1141-2. 2004
  52. ncbi VolSurf analysis of pharmacokinetic properties for several antifungal sesquiterpene lactones isolated from Greek Centaurea sp
    Catherine Koukoulitsa
    Department of Pharmacognosy and Chemistry of Natural Products, School of Pharmacy, University of Athens, Panepistimiopolis, Zografou, GR 157 71, Athens, Greece
    J Comput Aided Mol Des 19:617-23. 2005
    ..of the pharmacokinetic profile of several antifungal sesquiterpene lactones, isolated from Greek taxa of Centaurea sp., was undertaken in this study using the VolSurf procedure...
  53. ncbi Structure-dependent phytotoxicity of catechins and other flavonoids: flavonoid conversions by cell-free protein extracts of Centaurea maculosa (spotted knapweed) roots
    Harsh Pal Bais
    Department of Horticulture and Landscape Architecture, Colorado State University, Fort Collins, CO 80523 1173, USA
    J Agric Food Chem 51:897-901. 2003
    ..b>Centaurea maculosa (spotted knapweed) provides a classic example of this process...
  54. ncbi Competitive impacts and responses of an invasive weed: dependencies on nitrogen and phosphorus availability
    Katharine N Suding
    Department of Ecology and Evolutionary Biology, University of California at Irvine, Irvine, CA, USA
    Oecologia 141:526-35. 2004
    ..For one invader of North American grasslands, Centaurea diffusa (diffuse knapweed), we test three hypotheses: (1) under ambient (high resource) conditions, C...
  55. ncbi Sesquineolignans from the flowers of Centaurea furfuracea Coss. et Dur. (Asteraceae)
    Mohamed Damak
    Faculte des Sciences de Sfax, Laboratoire de Chimie des Substances Naturelles, Tunisie
    Nat Prod Res 21:1037-41. 2007
    Two new sesquineolignans, Furfuraceol A (1) and Furfuraceol B (2), have been isolated from the flowers of Centaurea furfuracea as a mixture of two isomers...
  56. ncbi Elemanolide sesquiterpenes and eudesmane sesquiterpene glycosides from Centaurea hierapolitana
    Canan Karamenderes
    Department of Pharmaceutical Botany, Ege University, 35100 Bornova Izmir, Turkey
    Phytochemistry 68:609-15. 2007
    ..shaftoside, a flavonol glycoside, kaempferol-3-O-rutinoside and a neolignan, dehydrodiconiferyl alcohol from the aerial parts of Centaurea hierapolitana Boiss. (Asteraceae). Structure elucidations were based on spectroscopic evidence.
  57. ncbi Inactivation of the cytotoxic activity of repin, a sesquiterpene lactone from Centaurea repens
    Francis F Tukov
    Department of Pharmacology, The University of Mississippi, Mississippi 38677, USA
    Chem Res Toxicol 17:1170-6. 2004
    Prolonged ingestion of Yellow Starthistle (Centaurea solstitialis) and Russian Knapweed (Centaurea repens) by horses has been shown to result in a fatal neurodegenerative disorder called equine nigropallidal encephalomalacia (ENE)...
  58. ncbi Invasion of an exotic forb impacts reproductive success and site fidelity of a migratory songbird
    Yvette Katina Ortega
    Rocky Mountain Research Station, USDA Forest Service, 800 E Beckwith Avenue, Missoula, MT 59801, USA
    Oecologia 149:340-51. 2006
    ..passerina) breeding in savannas that were either dominated by native vegetation or invaded by spotted knapweed (Centaurea maculosa), an exotic forb that substantially reduces diversity and abundance of native herbaceous plant species...
  59. ncbi Assessing the economic impact of invasive species: the case of yellow starthistle (Centaurea solsitialis L.) in the rangelands of Idaho, USA
    Roxana Juliá
    Department of Economics, Rensselaer Polytechnic Institute, 1403 Park Boulevard, Troy, NY 12180, USA
    J Environ Manage 85:876-82. 2007
    Yellow starthistle (Centaurea solsitialis L.) is an invasive weed that creates problems for the management of Idaho's rangelands...
  60. ncbi [The diuretic effect of cornflower water extract]
    Rimantas Klimas
    Department of Drugs Technology and Social Pharmacy, Kaunas University of Medicine, Kaunas, Lithuania
    Medicina (Kaunas) 43:221-5. 2007
    ..The objective of this study was to evaluate and compare the effect of cornflower water extract and hydrochlorothiazide on diuresis, Na(+) and K(+) excretion, and the changes in the prostaglandin E(2) and kinins levels in the blood plasma...
  61. ncbi Biological activity of serotonin conjugates from the seeds of Centaurea nigra
    Y Kumarasamy
    Phytopharmaceutical Research Laboratory, School of Pharmacy, The Robert Gordon University, Schoolhill, Aberdeen, AB10 1FR, Scotland, UK
    Fitoterapia 74:609-12. 2003
    ..1) and N-(trans-feruloyl)-serotonin (maoschamine, 2), isolated from the methanol extract of the seeds of Centaurea nigra, have been assessed for antibacterial and free radical scavenging activities...
  62. ncbi HPLC determination of free nitrogenous compounds of Centaurea solstitialis (Asteraceae), the cause of equine nigropallidal encephalomalacia
    Sabrina Moret
    Department of Food Science, University of Udine, via Marangoni 97, 33100 Udine, Italy
    Toxicon 46:651-7. 2005
    b>Centaurea solstitialis (yellow star thistle) has been proven to cause equine nigropallidal encephalomalacia in horses...
  63. ncbi Total phenolic contents, free radical scavenging activities and inhibitory effects on the activation of NF-kappa B of eight Centaurea L. species
    Canan Karamenderes
    Department of Pharmaceutical Botany, Faculty of Pharmacy, Ege University, 35100 Bornova, Izmir, Turkey
    Phytother Res 21:488-91. 2007
    Extracts obtained from aerial parts of eight Centaurea L. (Asteraceae) species (C. calolepis, C. cariensis subsp. maculiceps, C. cariensis subsp. microlepis, C. hierapolitana, C. cadmea, C. ensiformis, C. depressa and C. urvillei subsp...
  64. ncbi Antimicrobial activity of Centaurea diffusa
    M I Skliar
    Catedra de Farmacognosia, Departamento de Biologia, Bioquimica y Farmacia, Universidad Nacional del Sur, San Juan 670, 8000 Bahia Blanca, Argentina
    Fitoterapia 76:737-9. 2005
    The methanol soluble fraction of the aqueous extract obtained from the dry heads of Centaurea diffusa demonstrated antimicrobial activity in twelve evaluated microorganisms.
  65. ncbi Phytochemistry: structure of the blue cornflower pigment
    Masaaki Shiono
    Department of Physics, Graduate School of Science, Kyushu University, Hakozaki 6 10 1, Fukuoka 812 8581, Japan
    Nature 436:791. 2005
    ..We believe that this tetrametal complex may represent a previously undiscovered type of supermolecular pigment...
  66. ncbi Factors affecting in vitro plant regeneration of the critically endangered Mediterranean knapweed (Centaurea tchihatcheffii Fisch et. Mey)
    Cigdem Alev Ozel
    Department of Biology Education, Faculty of Education, Gazi University, Besevler, 06000, Teknikokullar, Ankara, Turkey
    Naturwissenschaften 93:511-7. 2006
    ..Likely, the annual endemic Mediterranean knapweed (Centaurea tchihatcheffii) growing in the Golbasi district of Ankara, Turkey is facing extinction and needs urgent ..
  67. ncbi Hyperspectral characteristics of canopy components and structure for phenological assessment of an invasive weed
    Shaokui Ge
    Center for Assessment and Monitoring of Forest and Environmental Resources, University of California, Berkeley, California, USA
    Environ Monit Assess 120:109-26. 2006
    ..values of four canopy components (stems, buds, opening flowers, and postflowers of yellow starthistle (Centaurea solstitialis)) were measured to describe their spectral characteristics...
  68. ncbi An invader differentially affects leaf physiology of two natives across a gradient in diversity
    Pamela Kittelson
    Department of Biology, Gustavus Adolphus College, St Peter, Minnesota 56082, USA
    Ecology 89:1344-51. 2008
    ..We measured the effect of the widespread invasive forb spotted knapweed (Centaurea maculosa) on leaf traits (leaf dry matter content, specific leaf area, leaf nitrogen percentage, leaf C:N ratios,..
  69. ncbi Potential selection in native grass populations by exotic invasion
    Brian A Mealor
    Department of Renewable Resources, University of Wyoming, Box 3354, Laramie, Wyoming 82071, USA
    Mol Ecol 15:2291-300. 2006
    ..We propose that native plants in communities dominated by exotic invasives may be undergoing natural selection...
  70. doi Bioavailability of allelochemicals as affected by companion compounds in soil matrices
    Nishanth Tharayil
    Department of Plant, Soil, and Insect Sciences, University of Massachusetts, Amherst, Massachusetts 01003, USA
    J Agric Food Chem 56:3706-13. 2008
    Multicompound allelochemical interactions were studied using Centaurea maculosa as a model source to understand how the bioavailability of complex allelochemical mixtures is modified in soil-microbial systems. Litter decomposition of C...
  71. ncbi Finally, proof of weapons of mass destruction
    Ian T Baldwin
    Department of Molecular Ecology, Max Planck Institute for Chemical Ecology, Hans Knöll Strabetae 8, 07745 Jena, Germany
    Sci STKE 2003:PE42. 2003
    ..Bais et al. show that in response to elicitation by common soil fungi, spotted knapweed (Centaurea maculosa) launches an ineffective defense against the fungi that results in extensive collateral damage to ..
  72. ncbi Biological control agents elevate hantavirus by subsidizing deer mouse populations
    Dean E Pearson
    Ecol Lett 9:443-50. 2006
    ..widely established in North America for spotted knapweed (Centaurea maculosa) control, to indirectly elevate Sin Nombre hantavirus by providing food subsidies to populations of ..
  73. ncbi Influence of NaCl and mannitol on peroxidase activity and lipid peroxidation in Centaurea ragusina L. roots and shoots
    Sandra Radić
    Department of Botany, Faculty of Science, University of Zagreb, Rooseveltov trg 6, HR 10000, Zagreb
    J Plant Physiol 163:1284-92. 2006
    b>Centaurea ragusina L. is a Croatian endemic plant species growing on cliffs above the Adriatic Sea, but there is no information about its physiological behavior or stress tolerance. To investigate the response of C...
  74. ncbi Effect of summer drought relief on the impact of the root weevil Cyphocleonus achates on spotted knapweed
    Janelle G Corn
    Montana State University, Western Agricultural Research Center, 580 Quast Lane, Corvallis, MT 59828, USA
    Environ Entomol 36:858-63. 2007
    A recent decline in spotted knapweed, Centaurea stoebe L. subsp. micranthos (Asteraceae), has been observed in parts of western Montana...
  75. ncbi Rheology and shear stress of Centaurea calcitrapa cell suspension cultures grown in bioreactor
    S Raposo
    Faculdade de Engenharia de Recursos Naturais, Universidade do Algarve, Campus de Gambelas, 8005 139, Faro, Portugal
    Biotechnol Lett 28:431-8. 2006
    b>Centaurea calcitrapa suspension cultures were grown either in Erlenmeyer flasks or in a mechanically stirred bioreactor...
  76. doi Effects of native species diversity and resource additions on invader impact
    John L Maron
    Division of Biological Sciences, University of Montana, Missoula, Montana 59812, USA
    Am Nat 172:S18-33. 2008
    ..Identical assemblages were either uninvaded or invaded with one of three exotic forbs: spotted knapweed (Centaurea maculosa), dalmatian toadflax (Linaria dalmatica), or sulfur cinquefoil (Potentilla recta)...
  77. ncbi The ecological aspect of ethnobotany and ethnopharmacology of population in Bosnia and Herzegovina
    Sulejman S Redzić
    Center of Ecology and Natural Resources, Faculty of Science University of Sarajevo, Sarajevo, Bosnia and Herzegovina
    Coll Antropol 31:869-90. 2007
    ..therapy practice of other regions, are as follows: Ballota nigra, Aesculus hippocastanum, Calluna vulgaris, Centaurea cyanus, Euphrasia rostkoviana, Geranium robertianum, Gentiana asclepiadea, Helichrysum italicum, Lycopodium ..
  78. doi Lettuce mosaic virus: from pathogen diversity to host interactors
    Sylvie German-Retana
    UMR1090 Génomique Diversité Pouvoir Pathogène, INRA Université de Bordeaux 2, F 33883 Villenave d Ornon, France
    Mol Plant Pathol 9:127-36. 2008
    ..Lettuce mosaic virus (LMV) belongs to the genus Potyvirus (type species Potato virus Y) in the family Potyviridae...
  79. ncbi Role of Myzus persicae (Hemiptera: Aphididae) and its secondary hosts in plum pox virus propagation
    B Manachini
    Institute of Agricultural Entomology, University of Milan, via Celoria 2 1, 20133 Milan, Italy
    J Econ Entomol 100:1047-52. 2007
    ..Pisum sativum L., Trifolium repens L., Trifolium pratense L., Lepidium sativum L., Matricaria chamomilla L., Centaurea cyanus L., Bellis perennis L., Papaver rhoeas L., and Zinnia elegans L. became infected...
  80. ncbi Traditional phytotherapy in Central Italy (Marche, Abruzzo, and Latium)
    Paolo Maria Guarrera
    Museo Nazionale Arti e Tradizioni Popolari, Piazza Marconi 8 10, Roma, 00144, Italy
    Fitoterapia 76:1-25. 2005
    ..Among new uses with only one quotation, we remember Cirsium arvense (intestinal disturbances), Centaurea bracteata (cough), Lupinus albus (calluses), Melittis melissophyllum (eye inflammations, antispasmodic), and ..
  81. ncbi The effect of medicinal plants of Islamabad and Murree region of Pakistan on insulin secretion from INS-1 cells
    Zakir Hussain
    Department of Chemistry, Quaid i Azam University, Islamabad Pakistan
    Phytother Res 18:73-7. 2004
    ..05) while Abies pindrow, Centaurea iberica and Euphorbia helioscopia were active at 10 microg/mL (p < 0.05)...
  82. ncbi Screening of selected indigenous plants of Lebanon for antimicrobial activity
    Elie K Barbour
    Department of Animal Science, Faculty of Agricultural and Food Sciences, American University of Beirut, P O Box 11 0236, Beirut, Lebanon
    J Ethnopharmacol 93:1-7. 2004
    ..8%), Anthemis scariosa flower (88.8%), Cirsium sp. whole plant (88.8%), Centaurea ainetensis flowers (88.8%), Hieracium sp. whole plant (88.8%), Origanum libanoticum whole plant (99...
  83. doi Microbiological and toxicological quality of dried herbs
    M Vitullo
    Department of Health Sciences, Faculty of Medicine and Surgery, University of Molise, Campobasso, Italy
    Lett Appl Microbiol 52:573-80. 2011
    ..quality of 51 samples of dried herbs (Melissa officinalis, Salvia officinalis, Malva sylvestris, Matricaria chamomilla, Alchemilla vulgaris and Centaurea cyanus) cultivated in family-managed farms in Molise Region (Italy) was evaluated.
  84. pmc Contribution to the knowledge of the veterinary science and of the ethnobotany in Calabria region (Southern Italy)
    Nicodemo G Passalacqua
    Museo di Storia Naturale della Calabria ed Orto Botanico, Universita della Calabria, 87030 Arcavacata di Rende, Italy
    J Ethnobiol Ethnomed 2:52. 2006
    ..Until some decades ago the road network was poorly developed and villages were isolated, so that the culture of the "subsistence" and some archaic customs were kept...
  85. ncbi Performance of potential non-crop or wild species under OECD 208 testing guideline study conditions for terrestrial non-target plants
    Ken Pallett
    Bayer CropScience Ltd, 230 Cambridge Science Park, Milton Road, Cambridge, CB4 0WB, UK
    Pest Manag Sci 63:134-40. 2007
    ..Biomass was also investigated with A. theophrasti, A. fatua, Centaurea cyanus L., I. hederacea and Rumex crispus L...
  86. pmc Antimicrobial, antioxidant and cytotoxic activities and phytochemical screening of some yemeni medicinal plants
    Ramzi A A Mothana
    Department of Pharmacognosy, Faculty of Pharmacy, Sana a University, PO Box 33039, Institute of Pharmacy, College of Medical Science, University of Science and Technology, Sana a, Yemen and Department of Pharmaceutical Biology, Institute of Pharmacy, Ernst Moritz Arndt University, Greifswald, F L Jahn Str 15a, D 17487 Greifswald, Germany
    Evid Based Complement Alternat Med 7:323-30. 2010
    ..The highest antimicrobial activity was exhibited by the methanolic extracts of Acalypha fruticosa, Centaurea pseudosinaica, Dodonaea viscosa, Jatropha variegata, Lippia citriodora, Plectranthus hadiensis, Tragia pungens ..
  87. ncbi Evaluation of the growth response of six invasive species to past, present and future atmospheric carbon dioxide
    Lewis H Ziska
    USDA ARS Alternate Crop and Systems Laboratory, Beltsville Agricultural Center, Bldg 001, Room 342, 10300 Baltimore Avenue, Beltsville, MD 20705 2350, USA
    J Exp Bot 54:395-404. 2003
    ..leafy spurge (Euphorbia esula L.), perennial sowthistle (Sonchus arvensis L.), spotted knapweed (Centaurea maculosa Lam.), and yellow star thistle (Centaurea solstitialis L...
  88. ncbi Novel repeated DNA sequences in safflower (Carthamus tinctorius L.) (Asteraceae): cloning, sequencing, and physical mapping by fluorescence in situ hybridization
    S N Raina
    Kihara Institute for Biological Research and Graduate School of Integrated Sciences, Yokohama City University, 641 12 Maioka cho, Totsuka ku, Yokohama 244 0813, Japan
    J Hered 96:424-9. 2005
    ..showing partial homology to intergenic spacer (IGS) of 18S-25S ribosomal RNA genes of an Asteraceae taxon (Centaurea stoebe), and the 18S-25S rRNA gene clusters were located at independent, but juxtaposed sites in the nucleolar ..
  89. ncbi In vitro antioxidant activity of non-cultivated vegetables of ethnic Albanians in southern Italy
    A Pieroni
    Centre for Pharmacognosy and Phytotherapy, The School of Pharmacy, University of London, 29 39 Brunswick Square, London WC1N 1AX, UK
    Phytother Res 16:467-73. 2002
    ..In both antioxidant assays strong activity was shown for Leopoldia comosa (bulbs, syn.: Muscari comosum) and Centaurea calcitrapa (young whorls)...
  90. doi Invasive plant architecture alters trophic interactions by changing predator abundance and behavior
    Dean E Pearson
    Rocky Mountain Research Station, USDA Forest Service, 800 E Beckwith Ave, Missoula, MT 59801, USA
    Oecologia 159:549-58. 2009
    ..Invasion of western North American grasslands by the perennial forb, spotted knapweed (Centaurea maculosa), has fundamentally altered the architecture of native grassland vegetation...
  91. ncbi Concentrations of the Allelochemical (+/-)-catechin IN Centaurea maculosa soils
    Laura G Perry
    Department of Forest, Rangeland and Watershed Stewardship, Colorado State University, 1472 Campus Delivery, Fort Collins, Colorado 80523, USA
    J Chem Ecol 33:2337-44. 2007
    The phytotoxin (+/-)-catechin has been proposed to mediate invasion and autoinhibition by the Eurasian plant Centaurea maculosa (spotted knapweed). The importance of (+/-)-catechin to C...
  92. ncbi Toxic effects of solstitialin A 13-acetate and cynaropicrin from Centaurea solstitialis L. (Asteraceae) in cell cultures of foetal rat brain
    C H Cheng
    Postgraduate Studies in Pharmacology, School of Pharmacy, University of Bradford, West Yorkshire, U K
    Neuropharmacology 31:271-7. 1992
    Extracts of the aerial parts of the yellow star thistle (Centaurea solstitialis L...
  93. ncbi Purification, cloning and autoproteolytic processing of an aspartic proteinase from Centaurea calcitrapa
    A Domingos
    Departamento de Biotecnologia, Instituto Nacional de Engenharia e Tecnologia Industrial, Lisboa, Portugal
    Eur J Biochem 267:6824-31. 2000
    ..Here we report a full-length cDNA clone encoding an AP named cenprosin from the flowers of Centaurea calcitrapa L., a thistle related to cardoon...
  94. pmc A review of traditional plants used in the treatment of epilepsy amongst the hausa/fulani tribes of northern Nigeria
    J Muazu
    Deparment of Pharmaceutical Services, University of Maiduguri Teaching Hospital, Nigeria
    Afr J Tradit Complement Altern Med 5:387-90. 2008
    ..The remaining plants were basically helpful in alleviation of associated symptoms of epilepsy except Centaurea praecox (family Asteraceae) which was reported to have neurotoxic substances that may worsen the disease.
  95. ncbi Potential bioindicator plant species for ambient ozone in forested mountain areas of central Europe
    W J Manning
    Department of Microbiology, University of Massachusetts, Amherst 01003, USA
    Environ Pollut 119:283-90. 2002
    ..Potential bioindicators that are widely distributed include the forbs Centaurea nigra. and Impatiens parviflora and the shrubs Alnus incana, Corylus avellana, and Sambucus racemosa...
  96. pmc Catechin is a phytototoxin and a pro-oxidant secreted from the roots of Centaurea stoebe
    Shail Kaushik
    Department of Plant and Soil Sciences, University of Delaware, Newark, DE, USA
    Plant Signal Behav 5:1088-98. 2010
    ..These observations have significant impact on our understanding regarding catechin phytotoxicity and pro-oxidant activity. Our data also illustrates that precise conditions are needed to evaluate the effect of catechin phytotoxicity...
  97. pmc Phytotoxic effects of (+/-)-catechin in vitro, in soil, and in the field
    - Inderjit
    Centre for Environmental Management of Degraded Ecosystems, University of Delhi, Delhi, India
    PLoS ONE 3:e2536. 2008
    ....
  98. ncbi Survey of microfungi in the Kleinwalsertal (Austrian alps)
    M Jensen
    Department of General Botany, University Duisburg Essen, Universitätsstr 5, 45117 Essen, Germany
    Commun Agric Appl Biol Sci 73:135-45. 2008
    ..For example: -Leptosphaeria jaceae Holm on Centaurea jacea L.; -Mycosphaerella equiseticola Bond.-Mont. on Equisetum telmateia Ehrh.; -Erysiphe cichoracearum DC...
  99. doi Phenolic Glycosides with antiproteasomal activity from Centaurea urvillei DC. subsp. urvillei
    Derya Gülcemal
    Department of Chemistry, Faculty of Science, Ege University, Bornova, 35100 Izmir, Turkey
    Carbohydr Res 345:2529-33. 2010
    ..three phenol glycoside; arbutin, salidroside, and 3,5-dihydroxyphenethyl alcohol-3-O-β-D-glucopyranoside from Centaurea urvillei subsp. urvillei...
  100. pmc Catechin secretion and phytotoxicity: Fact not fiction
    Harsh P Bais
    Department of Plant and Soil Sciences University of Delaware Newark, DE USA
    Commun Integr Biol 3:468-70. 2010
    Research indicates that the invasiveness of Centaurea stoebe is attributed to the stronger allelopathic effects on the native North American species than on the related European species, which is one of the unquestionable aspects of the "..
  101. ncbi Increased snow facilitates plant invasion in mixedgrass prairie
    D Blumenthlal
    USDA ARS Rangeland Resources Research Unit, 1701 Center Avenue, Fort Collins, CO 80526, USA
    New Phytol 179:440-8. 2008
    ..Snow addition increased average above-ground biomass of Centaurea diffusa from 0.026 to 66 g m(-2), of Gypsophila paniculata from 0.1 to 7...