Published in Z Naturforsch C on July 26, 2005
Antimicrobial Activity of Peganum Harmala L. on Streptococcus mutans Compared to 0.2% Chlorhexidine. J Dent (Shiraz) (2016) 0.75
Leaf herbivory and nutrients increase nectar alkaloids. Ecol Lett (2006) 1.62
Salvia (Lamiaceae) is not monophyletic: implications for the systematics, radiation, and ecological specializations of Salvia and tribe Mentheae. Am J Bot (2004) 1.56
Epizootic emergence of Usutu virus in wild and captive birds in Germany. PLoS One (2012) 1.55
Production and secretion of recombinant thaumatin in tobacco hairy root cultures. Biotechnol J (2012) 1.44
Cycads: their evolution, toxins, herbivores and insect pollinators. Naturwissenschaften (2002) 1.41
Determination of quinolizidine alkaloids in different Lupinus species by NACE using UV and MS detection. J Pharm Biomed Anal (2010) 1.39
Multiple colonization of Madagascar and Socotra by colubrid snakes: evidence from nuclear and mitochondrial gene phylogenies. Proc Biol Sci (2003) 1.35
Epigallocatechin gallate from green tea (Camellia sinensis) increases lifespan and stress resistance in Caenorhabditis elegans. Planta Med (2008) 1.25
Synergistic properties of the terpenoids aromadendrene and 1,8-cineole from the essential oil of Eucalyptus globulus against antibiotic-susceptible and antibiotic-resistant pathogens. Phytomedicine (2010) 1.21
Genus Bupleurum: a review of its phytochemistry, pharmacology and modes of action. J Pharm Pharmacol (2010) 1.13
Volatile components of four Ethiopian Artemisia species extracts and their in vitro antitrypanosomal and cytotoxic activities. Phytomedicine (2009) 1.13
Flavonoids in Scutellaria immaculata and S. ramosissima (Lamiaceae) and their biological activity. J Pharm Pharmacol (2011) 1.11
Molecular target-guided tumor therapy with natural products derived from traditional Chinese medicine. Curr Med Chem (2007) 1.09
Molecular phylogeny of cycads inferred from rbcL sequences. Naturwissenschaften (2002) 1.04
Biological activities of xanthatin from Xanthium strumarium leaves. Phytother Res (2011) 0.99
Antibacterial activity of essential oils from Eucalyptus and of selected components against multidrug-resistant bacterial pathogens. Pharm Biol (2011) 0.97
Reliance on pollinators predicts defensive chemistry across tobacco species. Ecol Lett (2012) 0.96
A molecular phylogeny of the hawkmoth genus Hyles (Lepidoptera: Sphingidae, Macroglossinae). Mol Phylogenet Evol (2005) 0.96
Antiproliferative effects of crocin in HepG2 cells by telomerase inhibition and hTERT down-regulation. Asian Pac J Cancer Prev (2012) 0.95
Alkaloids induce programmed cell death in bloodstream forms of trypanosomes (Trypanosoma b. brucei). Molecules (2008) 0.95
Antioxidant activities and xanthine oxidase inhibitory effects of extracts and main polyphenolic compounds obtained from Geranium sibiricum L. J Agric Food Chem (2010) 0.95
Inhibition of P-glycoprotein activity by limonin and other secondary metabolites from Citrus species in human colon and leukaemia cell lines. Eur J Pharmacol (2009) 0.94
Cytotoxic activity of secondary metabolites derived from Artemisia annua L. towards cancer cells in comparison to its designated active constituent artemisinin. Phytomedicine (2011) 0.94
Successional change in phosphorus stoichiometry explains the inverse relationship between herbivory and lupin density on Mount St. Helens. PLoS One (2009) 0.92
Tetrahydroisoquinoline and beta-carboline alkaloids from Haloxylon articulatum (Cav.) Bunge (Chenopodiaceae). Z Naturforsch C (2003) 0.91
A revised molecular phylogeny of the globally distributed hawkmoth genus Hyles (Lepidoptera: Sphingidae), based on mitochondrial and nuclear DNA sequences. Mol Phylogenet Evol (2009) 0.90
Synergism of three-drug combinations of sanguinarine and other plant secondary metabolites with digitonin and doxorubicin in multi-drug resistant cancer cells. Phytomedicine (2012) 0.90
Influence of combinations of digitonin with selected phenolics, terpenoids, and alkaloids on the expression and activity of P-glycoprotein in leukaemia and colon cancer cells. Phytomedicine (2013) 0.90
Comparison of microsatellite and single nucleotide polymorphism markers for the genetic analysis of a Galloway cattle population. Z Naturforsch C (2005) 0.89
Radical scavenging and antioxidant activities of essential oil components--an experimental and computational investigation. Nat Prod Commun (2015) 0.89
Screening of some Tanzanian medicinal plants for their trypanocidal and cytotoxic activities. Phytother Res (2010) 0.88
Synergistic and additive effects of epigallocatechin gallate and digitonin on Plasmodium sporozoite survival and motility. PLoS One (2010) 0.88
The effects of nectar-nicotine on colony fitness of caged honeybees. J Chem Ecol (2006) 0.88
Transcriptional down regulation of hTERT and senescence induction in HepG2 cells by chelidonine. World J Gastroenterol (2009) 0.87
Antitrypanosomal activities of proteasome inhibitors. Antimicrob Agents Chemother (2002) 0.87
Microarray analysis of nemorosone-induced cytotoxic effects on pancreatic cancer cells reveals activation of the unfolded protein response (UPR). Br J Pharmacol (2011) 0.87
Microsatellite marker discovery using single molecule real-time circular consensus sequencing on the Pacific Biosciences RS. Biotechniques (2013) 0.87
Antibacterial, antiviral, antiproliferative and apoptosis-inducing properties of Brackenridgea zanguebarica (Ochnaceae). J Pharm Pharmacol (2006) 0.87
Phylogeography and population structure of the saker falcon (Falco cherrug) and the influence of hybridization: mitochondrial and microsatellite data. Mol Ecol (2007) 0.86
Piperine, a piperidine alkaloid from Piper nigrum re-sensitizes P-gp, MRP1 and BCRP dependent multidrug resistant cancer cells. Phytomedicine (2011) 0.86
Synergistic interactions of saponins and monoterpenes in HeLa cells, Cos7 cells and in erythrocytes. Phytomedicine (2011) 0.86
Chemical composition and biological activity of the essential oil obtained from Bupleurum marginatum (Apiaceae). J Pharm Pharmacol (2009) 0.86
Carotenoids reverse multidrug resistance in cancer cells by interfering with ABC-transporters. Phytomedicine (2012) 0.86
Ameliorative effect of aspalathin from rooibos (Aspalathus linearis) on acute oxidative stress in Caenorhabditis elegans. Phytomedicine (2012) 0.85
The beta-carboline alkaloid harmine inhibits BCRP and can reverse resistance to the anticancer drugs mitoxantrone and camptothecin in breast cancer cells. Phytother Res (2010) 0.85
Influence of resveratrol on oxidative stress resistance and life span in Caenorhabditis elegans. J Pharm Pharmacol (2013) 0.85
Immediate effects of nectar robbing by Palestine sunbirds (Nectarinia osea) on nectar alkaloid concentrations in tree tobacco (Nicotiana glauca). J Chem Ecol (2014) 0.84
Chemical composition of the SFE-CO extracts from Cajanus cajan (L.) Huth and their antimicrobial activity in vitro and in vivo. Phytomedicine (2010) 0.84
Induction of apoptosis by alkaloids, non-protein amino acids, and cardiac glycosides in human promyelotic HL-60 cells. Z Naturforsch C (2007) 0.84
Calibration of a molecular clock in tits (Paridae)--do nucleotide substitution rates of mitochondrial genes deviate from the 2% rule? Mol Phylogenet Evol (2007) 0.84
Chemical composition and biological activity of Citrus jambhiri Lush. Food Chem (2011) 0.84
Medicinally important secondary metabolites in recombinant microorganisms or plants: progress in alkaloid biosynthesis. Biotechnol J (2009) 0.84
The alkaloid emetine as a promising agent for the induction and enhancement of drug-induced apoptosis in leukemia cells. Oncol Rep (2007) 0.84
Anthocyanin-rich purple wheat prolongs the life span of Caenorhabditis elegans probably by activating the DAF-16/FOXO transcription factor. J Agric Food Chem (2013) 0.83
Digitonin synergistically enhances the cytotoxicity of plant secondary metabolites in cancer cells. Phytomedicine (2012) 0.83
Molecular cloning and expression of ranalexin, a bioactive antimicrobial peptide from Rana catesbeiana in Escherichia coli and assessments of its biological activities. Appl Microbiol Biotechnol (2012) 0.82
Antihepatotoxic activity and chemical constituents of Buddleja asiatica Lour. Z Naturforsch C (2009) 0.82
Binding of phytoestrogens to rat uterine estrogen receptors and human sex hormone-binding globulins. Z Naturforsch C (2005) 0.82
Characteristics of apoptosis induction by the alkaloid emetine in human tumour cell lines. Planta Med (2007) 0.81
Genetic diversity of rhizobia nodulating lentil (Lens culinaris) in Bangladesh. Syst Appl Microbiol (2012) 0.81
Biological activity of the essential oil of Kadsura longipedunculata (Schisandraceae) and its major components. J Pharm Pharmacol (2010) 0.81
Influence of red clover (Trifolium pratense) isoflavones on gene and protein expression profiles in liver of ovariectomized rats. Phytomedicine (2009) 0.81
An isoquinoline alkaloid from the Chinese herbal plant Corydalis yanhusuo W.T. Wang inhibits P-glycoprotein and multidrug resistance-associate protein 1. Food Chem (2012) 0.81
Lobeline, a piperidine alkaloid from Lobelia can reverse P-gp dependent multidrug resistance in tumor cells. Phytomedicine (2008) 0.80
Taxonomic status and evolutionary history of the Saxicola torquata complex. Mol Phylogenet Evol (2009) 0.80
Occurrence of iridoid glycosides in in vitro cultures and intact plants of Scrophularia nodosa L. Plant Cell Rep (2006) 0.80
Multilocus phylogeography of the Wedge-billed Woodcreeper Glyphorynchus spirurus (Aves, Furnariidae) in lowland Amazonia: widespread cryptic diversity and paraphyly reveal a complex diversification pattern. Mol Phylogenet Evol (2012) 0.80
Hepatoprotective effect of limonin, a natural limonoid from the seed of Citrus aurantium var. bigaradia, on D-galactosamine-induced liver injury in rats. Naunyn Schmiedebergs Arch Pharmacol (2013) 0.79
Pharmacologically active natural products in the defence secretion of Palembus ocularis (Tenebrionidae, Coleoptera). J Ethnopharmacol (2006) 0.79
New source of genetic polymorphisms in Lepidoptera? Z Naturforsch C (2005) 0.79
Induction of tropane alkaloid formation in transformed root cultures of Brugmansia suaveolens (Solanaceae). Z Naturforsch C (2005) 0.79
Secretory ranalexin produced in recombinant Pichia pastoris exhibits additive or synergistic bactericidal activity when used in combination with polymyxin B or linezolid against multi-drug resistant bacteria. Biotechnol J (2014) 0.79
Molecular phylogeny of Old World swifts (Aves: Apodiformes, Apodidae, Apus and Tachymarptis) based on mitochondrial and nuclear markers. Mol Phylogenet Evol (2012) 0.79
The phorbol ester fraction from Jatropha curcas seed oil: potential and limits for crop protection against insect pests. Int J Mol Sci (2012) 0.79
Chemical composition and biological activity of the essential oils of Senecio aegyptius var. discoideus Boiss. Z Naturforsch C (2002) 0.78
Bactericidal properties of the antimicrobial peptide Ib-AMP4 from Impatiens balsamina produced as a recombinant fusion-protein in Escherichia coli. Biotechnol J (2013) 0.78
Trypanocidal and cytotoxic effects of 30 Ethiopian medicinal plants. Z Naturforsch C (2012) 0.78
Variations of the chemical composition and bioactivity of essential oils from leaves and stems of Liquidambar styraciflua (Altingiaceae). J Pharm Pharmacol (2013) 0.78
Chemical composition and biological activity of the essential oil from Thymus lanceolatus. Z Naturforsch C (2016) 0.78
Triterpene saponins from Chenopodium quinoa Willd. Phytochemistry (2008) 0.78
Antitrypanosomal properties of Panax ginseng C. A. Meyer: new possibilities for a remarkable traditional drug. Phytother Res (2012) 0.78
Carlina oxide--a natural polyacetylene from Carlina acaulis (Asteraceae) with potent antitrypanosomal and antimicrobial properties. Planta Med (2011) 0.78
Secondary metabolites of ponderosa lemon (Citrus pyriformis) and their antioxidant, anti-inflammatory, and cytotoxic activities. Z Naturforsch C (2011) 0.78
Leaf herbivory and drought stress affect floral attractive and defensive traits in Nicotiana quadrivalvis. Oecologia (2010) 0.78
Binding of flavonoids from Sophora flavescens to the rat uterine estrogen receptor. Planta Med (2005) 0.78
Myrtenal inhibits acetylcholinesterase, a known Alzheimer target. J Pharm Pharmacol (2011) 0.78
Profile of volatile components of hydrodistilled and extracted leaves of Jacaranda acutifolia and their antimicrobial activity against foodborne pathogens. Nat Prod Commun (2014) 0.77
Environmentally caused dwarfism or a valid species--is Testudo weissingeri Bour, 1996 a distinct evolutionary lineage? New evidence from mitochondrial and nuclear genomic markers. Mol Phylogenet Evol (2005) 0.77
Chemical composition of the essential oils of variegated pink-fleshed lemon (Citrus x limon L. Burm. f.) and their anti-inflammatory and antimicrobial activities. Z Naturforsch C (2013) 0.77
Antitrypanosomal and cytotoxic activities of pyrrolizidine alkaloid-producing plants of Ethiopia. J Pharm Pharmacol (2009) 0.77
Antimicrobial activity of a traditionally used complex essential oil distillate (Olbas(®) Tropfen) in comparison to its individual essential oil ingredients. Phytomedicine (2012) 0.76
Synergistic antibacterial activity of the combination of the alkaloid sanguinarine with EDTA and the antibiotic streptomycin against multidrug resistant bacteria. J Pharm Pharmacol (2014) 0.76
Phylogeny and new taxonomy of the Booted Eagles (Accipitriformes: Aquilinae). Zootaxa (2017) 0.76
Mechanistic investigation of interactions between steroidal saponin digitonin and cell membrane models. J Phys Chem B (2014) 0.76
A novel method for semen collection and artificial insemination in large parrots (Psittaciformes). Sci Rep (2013) 0.76
Reduction of cytotoxicity of the alkaloid emetine through P-glycoprotein (MDR1/ABCB1) in human Caco-2 cells and leukemia cell lines. Planta Med (2006) 0.76
A phytochemical study of the quinolizidine alkaloids from Genista tenera by gas chromatography-mass spectrometry. Phytochem Anal (2005) 0.76
Alkaloid concentration of the invasive plant species Ulex europaeus in relation to geographic origin and herbivory. Naturwissenschaften (2012) 0.76
GLC and GLC-mS analysis of thiophene derivatives in plants and in in vitro cultures of Tagetes patula L. (Asteraceae). Z Naturforsch C (2002) 0.75