Genomes and Genes
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
Publications194 found, 100 shown here
- Ecology. Making allelopathy respectableAlastair Fitter
Department of Biology, University of York, York YO10 5YW, UK
Science 301:1337-8. 2003
- Toxic inhibition of smooth muscle contractility by plant-derived sesquiterpenes caused by their chemically reactive alpha-methylenebutyrolactone functionsA 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-..
- Allelopathy and exotic plant invasion: from molecules and genes to species interactionsHarsh 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. 2003Here 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...
- Sesquiterpene lactones from Centaurea musimomum. Antiplasmodial and cytotoxic activitiesKamel Medjroubi
Departement de Chimie, Faculte des Sciences, Universite Mentouri de Constantine, Route de Aïn El Bey 25000, Constantine, Algerie
Fitoterapia 76:744-6. 2005The 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.
- Evidence for multiple introductions of Centaurea stoebe micranthos (spotted knapweed, asteraceae) to North AmericaR 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 ..
- Predicting current and future biological invasions: both native and invaded ranges matterOlivier 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...
- Soil biota and exotic plant invasionRagan 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...
- Shift in cytotype frequency and niche space in the invasive plant Centaurea maculosaUrs 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...
- Novel weapons and invasion: biogeographic differences in the competitive effects of Centaurea maculosa and its root exudate (+/-)-catechinWei 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. 2009Recent 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...
- Reconciling contradictory findings of herbivore impacts on spotted knapweed (Centaurea stoebe) growth and reproductionDavid 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. 2010Substantial controversy surrounds the efficacy of biological control insects to reduce densities of Centaurea stoebe, a widespread, aggressive invasive plant in North America...
- Anti-colon cancer effects of Salograviolide A isolated from Centaurea ainetensisNahed El-Najjar
Department of Biology, American University of Beirut, Beirut 1107 2020, Lebanon
Oncol Rep 19:897-904. 2008The antitumor activity of extracts of Centaurea ainetensis (C. ainetensis), a plant endemic to Lebanon, was investigated in human colon carcinoma cells...
- Minor sesquiterpene lactones from Centaurea pullata and their antimicrobial activitySamah Djeddi
Department of Pharmacognosy, School of Pharmacy, University of Athens, Panepistimiopolis, Zografou, 157 71, Athens, Greece
J Nat Prod 70:1796-9. 2007The 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 ..
- Americanin, a bioactive dibenzylbutyrolactone lignan, from the seeds of Centaurea americanaMohammad Shoeb
Department of Chemistry, University of Dhaka, Dhaka 1000, Bangladesh
Phytochemistry 67:2370-5. 2006The 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,..
- Atractylis gummifera and Centaurea ornata in the Province of Badajoz (Extremadura, Spain)-Ethnopharmacological importance and toxicological riskJ R Vallejo
Grupo de Investigación en Humanidades Médicas, Facultad de Medicina, Universidad de Extremadura, 06071 Badajoz, Spain
J Ethnopharmacol 126:366-70. 2009Atractylis 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...
- 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 activitiesCarmen Formisano
Dipartimento di Chimica delle Sostanze Naturali, Universita degli Studi di Napoli Federico II, Napoli, Italy
Nat Prod Res 22:833-9. 2008The 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...
- Fine-scale genetic structure and gene dispersal in Centaurea corymbosa (Asteraceae). II. Correlated paternity within and among sibshipsOlivier 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...
- Purified salograviolide A isolated from centaurea ainetensis causes growth inhibition and apoptosis in neoplastic epidermal cellsAkram 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...
- Increased population growth rate in invasive polyploid Centaurea stoebe in a common gardenMin 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); ..
- Anthropogenic disturbance as a driver of microspatial and microhabitat segregation of cytotypes of Centaurea stoebe and cytotype interactions in secondary contact zonesPatrik 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).
- Potent anti-platelet constituents from Centaurea ibericaAmna 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...
- 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. 2012Spotted 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...
- Volatile constituents of aerial parts of Centaurea sibthorpii (Sect. Carduiformes, Asteraceae) from Greece and their biological activityCarmen Formisano
Dipartimento di Chimica delle Sostanze Naturali, Universita degli Studi di Napoli Federico II, I 80131 Napoli, Italy
Nat Prod Res 22:840-5. 2008The 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...
- Components of protocyanin, a blue pigment from the blue flowers of Centaurea cyanusKosaku Takeda
Department of Biology, Tokyo Gakugei University, Koganei, Tokyo 184 8501, Japan
Phytochemistry 66:1607-13. 2005The components involved in the formation of protocyanin, a stable blue complex pigment from the blue cornflower, Centaurea cyanus, were investigated...
- Soil fungal abundance and diversity: another victim of the invasive plant Centaurea maculosaAmanda 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...
- Trait-mediated interactions and lifetime fitness of the invasive plant Centaurea solstitialisSarah 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 ..
- Effective long-distance pollen dispersal in Centaurea jaceaMatthias 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...
- Satellite-DNA evolutionary patterns under a complex evolutionary scenario: the case of Acrolophus subgroup (Centaurea L., Compositae) from the western MediterraneanVíctor N Suárez-Santiago
Departamento de Botanica, Facultad de Ciencias, Universidad de Granada, Granada, Spain
Gene 404:80-92. 2007Within the genus Centaurea (subtribe Centaureinae, tribe Cardueae, Compositae) hybridizations and reticulate-evolution phenomena have widely been recognized...
- 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 ..
- 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...
- A first step in understanding an invasive weed through its genes: an EST analysis of invasive Centaurea maculosaAmanda 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...
- 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. 2009Cytogenetic 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...
- 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...
- Dual purpose secondary compounds: phytotoxin of Centaurea diffusa also facilitates nutrient uptakeNishanth 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)...
- In vitro antioxidant activity of Polygonium hyrcanicum, Centaurea depressa, Sambucus ebulus, Mentha spicata and Phytolacca americanaSeyed 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...
- Realistic species losses disproportionately reduce grassland resistance to biological invadersErika 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...
- Antioxidant, alpha-amylase inhibitory and brine-shrimp toxicity studies on Centaurea centaurium L. methanolic root extractFilomena Conforti
Department of Pharmaceutical Science, University of Calabria, Rende, CS, Italy
Nat Prod Res 22:1457-66. 2008Free 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...
- Anti-inflammatory properties of Salograviolide A purified from Lebanese plant Centaurea ainetensisJamal 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 ..
- Isolation of anti-ulcerogenic sesquiterpene lactones from Centaurea solstitialis L. ssp. solstitialis through bioassay-guided fractionation procedures in ratsErdem Yesilada
Department of Pharmacognosy, Gazi University, Faculty of Pharmacy, Etiler, 6330 Ankara, Turkey
J Ethnopharmacol 95:213-9. 2004The fresh spiny flowers of Centaurea solstitialis ssp. solstitialis (CSS) are used for the treatment of peptic ulcers in Turkey...
- Response of the aphid parasitoid Aphidius funebris to volatiles from undamaged and aphid-infested Centaurea nigraMartín 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...
- Fine-scale genetic structure and gene dispersal in Centaurea corymbosa (Asteraceae) I. Pattern of pollen dispersalO J Hardy
Laboratoire de Génétique et Ecologie Végétales, Universite Libre de Bruxelles, Brussels, Belgium
J Evol Biol 17:795-806. 2004Pollen 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...
- Evidence of climatic niche shift during biological invasionO 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...
- VolSurf analysis of pharmacokinetic properties for several antifungal sesquiterpene lactones isolated from Greek Centaurea spCatherine 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...
- 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...
- Disturbance facilitates invasion: the effects are stronger abroad than at homeJos 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 ..
- Sesquiterpenes from Centaurea asperaJ Alberto Marco
Departamento de Quimica Organica, Universidad de Valencia, E 46100 Burjassot, Valencia, Spain
Phytochemistry 66:1644-50. 2005The aerial parts of two subspecies of Centaurea aspera L...
- A lack of evidence for an ecological role of the putative allelochemical (+/-)-catechin in spotted knapweed invasion successAmy 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...
- First encounters--deployment of defence-related natural products by plantsBen 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...
- Sesquiterpene lactones from Centaurea spinosa and their antibacterial and cytotoxic activitiesVasiliki 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...
- Variation in resource availability changes the impact of invasive thistles on native bunchgrassesKimberly 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,..
- Grassland invader responses to realistic changes in native species richnessMatthew 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)...
- Ecology. How extinction patterns affect ecosystemsDavid Raffaelli
Environment Department, University of York, York YO10 5DD, UK
Science 306:1141-2. 2004
- Laboratory and realized host ranges of Chaetorellia succinea (Diptera: Tephritidae), an unintentionally introduced natural enemy of yellow starthistleJoe 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...
- Structure-dependent phytotoxicity of catechins and other flavonoids: flavonoid conversions by cell-free protein extracts of Centaurea maculosa (spotted knapweed) rootsHarsh 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...
- 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. 2007Two new sesquineolignans, Furfuraceol A (1) and Furfuraceol B (2), have been isolated from the flowers of Centaurea furfuracea as a mixture of two isomers...
- Elemanolide sesquiterpenes and eudesmane sesquiterpene glycosides from Centaurea hierapolitanaCanan 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.
- Invasion of an exotic forb impacts reproductive success and site fidelity of a migratory songbirdYvette 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...
- Assessing the economic impact of invasive species: the case of yellow starthistle (Centaurea solsitialis L.) in the rangelands of Idaho, USARoxana Juliá
Department of Economics, Rensselaer Polytechnic Institute, 1403 Park Boulevard, Troy, NY 12180, USA
J Environ Manage 85:876-82. 2007Yellow starthistle (Centaurea solsitialis L.) is an invasive weed that creates problems for the management of Idaho's rangelands...
- [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...
- Biological activity of serotonin conjugates from the seeds of Centaurea nigraY 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...
- Antimicrobial activity of Centaurea diffusaM 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. 2005The methanol soluble fraction of the aqueous extract obtained from the dry heads of Centaurea diffusa demonstrated antimicrobial activity in twelve evaluated microorganisms.
- HPLC determination of free nitrogenous compounds of Centaurea solstitialis (Asteraceae), the cause of equine nigropallidal encephalomalaciaSabrina Moret
Department of Food Science, University of Udine, via Marangoni 97, 33100 Udine, Italy
Toxicon 46:651-7. 2005b>Centaurea solstitialis (yellow star thistle) has been proven to cause equine nigropallidal encephalomalacia in horses...
- Phytochemistry: structure of the blue cornflower pigmentMasaaki 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...
- 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 ..
- Hyperspectral characteristics of canopy components and structure for phenological assessment of an invasive weedShaokui 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...
- An invader differentially affects leaf physiology of two natives across a gradient in diversityPamela 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,..
- Potential selection in native grass populations by exotic invasionBrian 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...
- Bioavailability of allelochemicals as affected by companion compounds in soil matricesNishanth Tharayil
Department of Plant, Soil, and Insect Sciences, University of Massachusetts, Amherst, Massachusetts 01003, USA
J Agric Food Chem 56:3706-13. 2008Multicompound 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...
- Finally, proof of weapons of mass destructionIan 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 ..
- Biological control agents elevate hantavirus by subsidizing deer mouse populationsDean 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 ..
- Influence of NaCl and mannitol on peroxidase activity and lipid peroxidation in Centaurea ragusina L. roots and shootsSandra Radić
Department of Botany, Faculty of Science, University of Zagreb, Rooseveltov trg 6, HR 10000, Zagreb
J Plant Physiol 163:1284-92. 2006b>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...
- Effect of summer drought relief on the impact of the root weevil Cyphocleonus achates on spotted knapweedJanelle G Corn
Montana State University, Western Agricultural Research Center, 580 Quast Lane, Corvallis, MT 59828, USA
Environ Entomol 36:858-63. 2007A recent decline in spotted knapweed, Centaurea stoebe L. subsp. micranthos (Asteraceae), has been observed in parts of western Montana...
- Rheology and shear stress of Centaurea calcitrapa cell suspension cultures grown in bioreactorS Raposo
Faculdade de Engenharia de Recursos Naturais, Universidade do Algarve, Campus de Gambelas, 8005 139, Faro, Portugal
Biotechnol Lett 28:431-8. 2006b>Centaurea calcitrapa suspension cultures were grown either in Erlenmeyer flasks or in a mechanically stirred bioreactor...
- The ecological aspect of ethnobotany and ethnopharmacology of population in Bosnia and HerzegovinaSulejman 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 ..
- Lettuce mosaic virus: from pathogen diversity to host interactorsSylvie 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...
- Role of Myzus persicae (Hemiptera: Aphididae) and its secondary hosts in plum pox virus propagationB 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...
- 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 ..
- The effect of medicinal plants of Islamabad and Murree region of Pakistan on insulin secretion from INS-1 cellsZakir 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)...
- Screening of selected indigenous plants of Lebanon for antimicrobial activityElie 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...
- Microbiological and toxicological quality of dried herbsM 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.
- Performance of potential non-crop or wild species under OECD 208 testing guideline study conditions for terrestrial non-target plantsKen 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...
- 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...
- Antimicrobial, antioxidant and cytotoxic activities and phytochemical screening of some yemeni medicinal plantsRamzi 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 ..
- Novel repeated DNA sequences in safflower (Carthamus tinctorius L.) (Asteraceae): cloning, sequencing, and physical mapping by fluorescence in situ hybridizationS 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 ..
- Evaluation of the growth response of six invasive species to past, present and future atmospheric carbon dioxideLewis 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...
- In vitro antioxidant activity of non-cultivated vegetables of ethnic Albanians in southern ItalyA 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)...
- Concentrations of the Allelochemical (+/-)-catechin IN Centaurea maculosa soilsLaura 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. 2007The phytotoxin (+/-)-catechin has been proposed to mediate invasion and autoinhibition by the Eurasian plant Centaurea maculosa (spotted knapweed). The importance of (+/-)-catechin to C...
- Toxic effects of solstitialin A 13-acetate and cynaropicrin from Centaurea solstitialis L. (Asteraceae) in cell cultures of foetal rat brainC H Cheng
Postgraduate Studies in Pharmacology, School of Pharmacy, University of Bradford, West Yorkshire, U K
Neuropharmacology 31:271-7. 1992Extracts of the aerial parts of the yellow star thistle (Centaurea solstitialis L...
- Purification, cloning and autoproteolytic processing of an aspartic proteinase from Centaurea calcitrapaA 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...
- A review of traditional plants used in the treatment of epilepsy amongst the hausa/fulani tribes of northern NigeriaJ 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.
- Catechin is a phytototoxin and a pro-oxidant secreted from the roots of Centaurea stoebeShail 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...
- Potential bioindicator plant species for ambient ozone in forested mountain areas of central EuropeW 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...
- 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...
- 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....
- Phenolic Glycosides with antiproteasomal activity from Centaurea urvillei DC. subsp. urvilleiDerya 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...
- Catechin secretion and phytotoxicity: Fact not fictionHarsh P Bais
Department of Plant and Soil Sciences University of Delaware Newark, DE USA
Commun Integr Biol 3:468-70. 2010Research 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 "..
- Increased snow facilitates plant invasion in mixedgrass prairieD 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...
- Patterns of allozyme variation in diploid and tetraploid Centaurea jacea at different spatial scalesO J Hardy
Laboratoire de Génétique et Ecologie Végétales, Universite Libre de Bruxelles, Belgium
Evolution 55:943-54. 2001..genetic variation at allozyme markers were investigated within and between diploid and autotetraploid knapweeds (Centaurea jacea L...
- Oxalate contributes to the resistance of Gaillardia grandiflora and Lupinus sericeus to a phytotoxin produced by Centaurea maculosaTiffany L Weir
Department of Horticulture and Landscape Architecture, Graduate Program in Cell and Molecular Biology, Colorado State University, Fort Collins, 80523, USA
Planta 223:785-95. 2006b>Centaurea maculosa Lam. is a noxious weed in western North America that produces a phytotoxin, (+/-)-catechin, which is thought to contribute to its invasiveness. Areas invaded by C...
- The interplay between shifts in biomass allocation and costs of reproduction in four grassland perennials under simulated successional changeEelke Jongejans
Nature Conservation and Plant Ecology Group, Wageningen University, Bornsesteeg 69, 6708 PD Wageningen, The Netherlands
Oecologia 147:369-78. 2006..a 3-year garden experiment with four perennials (Hypochaeris radicata, Cirsium dissectum, Succisa pratensis and Centaurea jacea) by growing them in the midst of a tall tussock-forming grass (Molinia caerulea) that may successionally ..
- Antimicrobial activity of some endemic plants growing in the Eastern Black Sea Region, TurkeyKurtulus Buruk
Department of Microbiology and Clinical Microbiology, School of Medicine, Karadeniz Technical University, 61080 Trabzon, Turkey
Fitoterapia 77:388-91. 2006..Among the 30 active crude extracts, water-insoluble crude extracts from Betula medwediewii, Heracleum platytaenium, Primula longipes, Anthemis cretica ssp. argaea and Centaurea helenioides were the prominent ones with their MIC values.
- Phenolics and plant allelopathyZhao Hui Li
College of Life Sciences, Zhejiang University, Hangzhou 310058, China
Molecules 15:8933-52. 2010..debated topic in plant allelopathy of whether catechin and 8-hydroxyquinoline play an important role in Centaurea maculata and Centaurea diffusa invasion success is discussed...