Genomes and Genes
Summary: A diverse genus of minute freshwater CRUSTACEA, of the suborder CLADOCERA. They are a major food source for both young and adult freshwater fish.
Publications342 found, 100 shown here
- The ecoresponsive genome of Daphnia pulexJohn K Colbourne
Center for Genomics and Bioinformatics, Indiana University, 915 East Third Street, Bloomington, IN 47405, USA
Science 331:555-61. 2011We describe the draft genome of the microcrustacean Daphnia pulex, which is only 200 megabases and contains at least 30,907 genes...
- Extensive, recent intron gains in Daphnia populationsWenli Li
Biology Department, Indiana University, Bloomington, IN 47405, USA
Science 326:1260-2. 2009..approach that detected 24 discordant intron/exon boundaries between the whole-genome sequences of two Daphnia pulex isolates. Sequencing of presence/absence loci across a collection of D...
- The effects of multiple infections on the expression and evolution of virulence in a Daphnia-endoparasite systemFrida Ben-Ami
Zoologisches Institut, Evolutionsbiologie, Universitat Basel, Vesalgasse 1, CH 4051 Basel, Switzerland
Evolution 62:1700-11. 2008..we examined the outcome of mixed-isolate infections in individual hosts, using a single clone of the waterflea Daphnia magna and three isolates of its semelparous endoparasite Pasteuria ramosa...
- Toxicity of nanosized and bulk ZnO, CuO and TiO2 to bacteria Vibrio fischeri and crustaceans Daphnia magna and Thamnocephalus platyurusMargit Heinlaan
National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, Tallinn 12618, Estonia
Chemosphere 71:1308-16. 2008..nanoparticles of ZnO, TiO2 and CuO is increasing, their (eco)toxicity to bacteria Vibrio fischeri and crustaceans Daphnia magna and Thamnocephalus platyurus was studied with a special emphasis on product formulations (nano or bulk ..
- Environmental sex determination in the branchiopod crustacean Daphnia magna: deep conservation of a Doublesex gene in the sex-determining pathwayYasuhiko Kato
Department of Biotechnology, Graduate School of Engineering, Osaka University, Osaka, Japan
PLoS Genet 7:e1001345. 2011..Here we report the identification of two Dsx genes from Daphnia magna, a freshwater branchiopod crustacean that parthenogenetically produces males in response to environmental ..
- Genome-wide analysis of tandem repeats in Daphnia pulex--a comparative approachChristoph Mayer
Department of Animal Ecology, Evolution and Biodiversity, Ruhr University Bochum, Bochum, Germany
BMC Genomics 11:277. 2010..In this study we analysed the TR characteristics in the genomes of Daphnia pulex and 11 other eukaryotic species...
- Biological surface coating and molting inhibition as mechanisms of TiO2 nanoparticle toxicity in Daphnia magnaAndré Dabrunz
Institute for Environmental Sciences, University of Koblenz Landau, Landau, Germany
PLoS ONE 6:e20112. 2011..that suspensions of nanosized (∼100 nm initial mean diameter) titanium dioxide (nTiO(2)) led to toxicity in Daphnia magna at nominal concentrations of 3.8 (72-h EC(50)) and 0.73 mg/L (96-h EC(50))...
- The ABC transporter gene family of Daphnia pulexArmin Sturm
Institute of Aquaculture, University of Stirling, Stirling, UK
BMC Genomics 10:170. 2009..We report here a genome-wide survey of ABC proteins of Daphnia pulex, providing for the first time information on ABC proteins in crustacea, a primarily aquatic arthropod ..
- Natural selection for grazer resistance to toxic cyanobacteria: evolution of phenotypic plasticity?N G Hairston
Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, New York 14853, USA
Evolution 55:2203-14. 2001We studied the selection response of the freshwater grazing zooplankter, Daphnia galeata, to increased abundance of cyanobacteria in its environment. Cyanobacteria are a poor-quality and often toxic food. Distinct genotypes of D...
- Cloning of the unculturable parasite Pasteuria ramosa and its Daphnia host reveals extreme genotype-genotype interactionsPepijn Luijckx
Institut of Zoology, Evolutionsbiologie, University of Basel, Basel, Switzerland
Ecol Lett 14:125-31. 2011..We obtained the first clones of the unculturable bacterium Pasteuria ramosa, a parasite of Daphnia magna...
- Importance of surface coatings and soluble silver in silver nanoparticles toxicity to Daphnia magnaChun Mei Zhao
Division of Life Science, The Hong Kong University of Science and Technology HKUST, Clear Water Bay, Kowloon, Hong Kong
Nanotoxicology 6:361-70. 2012..as AgNPs-L, AgNPs-P and AgNPs-S, respectively) on the acute toxicity of AgNPs to a model freshwater cladoceran Daphnia magna...
- Cyanobacterial protease inhibitor microviridin J causes a lethal molting disruption in Daphnia pulicariaThomas Rohrlack
Freshwater Biological Laboratory, University of Copenhagen, Hillerød, Denmark
Appl Environ Microbiol 70:5047-50. 2004Laboratory experiments identified microviridin J as the source of a fatal molting disruption in Daphnia species organisms feeding on Microcystis cells...
- Inducible tolerance to dietary protease inhibitors in Daphnia magnaEric von Elert
Zoological Institute, Cologne Biocenter, University of Cologne, Koln, Germany
J Exp Biol 215:2051-9. 2012b>Daphnia has been shown to acquire tolerance to cyanobacterial toxins within an animals' lifetime and to transfer this tolerance to the next generation...
- Daphnia revisited: local stability and bifurcation theory for physiologically structured population models explained by way of an exampleOdo Diekmann
Department of Mathematics, University of Utrecht, P O Box 80010, 3508 TA, Utrecht, The Netherlands
J Math Biol 61:277-318. 2010..equation for a fairly general class of population models, including those based on the Kooijman-Metz Daphnia model (Kooijman and Metz in Ecotox Env Saf 8:254-274, 1984; de Roos et al...
- Population-genomic insights into the evolutionary origin and fate of obligately asexual Daphnia pulexAbraham E Tucker
Department of Biology, Indiana University, Bloomington, IN 47405
Proc Natl Acad Sci U S A 110:15740-5. 2013..Whole-genome analysis of 11 sexual and 11 asexual genotypes of Daphnia pulex indicates that current asexual lineages are in fact very young, exhibit no signs of purifying selection ..
- Abortive meiosis in the oogenesis of parthenogenetic Daphnia pulexChizue Hiruta
Department of Natural History Sciences, Graduate School of Science, Hokkaido University, Kita 10 Nishi 8, Kita ku, Sapporo, Hokkaido 060 0810, Japan
Chromosome Res 18:833-40. 2010..was to precisely reveal the process and mechanism of parthenogenetic oogenesis and maintenance of diploidy in Daphnia pulex through histology, karyology, and immunohistochemistry...
- Stoichiometry in an ecological context: testing for links between Daphnia P-content, growth rate and habitat preferenceWilliam R DeMott
Department of Biology, Indiana Purdue University, Fort Wayne, IN 46805, USA
Oecologia 142:20-7. 2005We used laboratory experiments with ten Daphnia taxa to test for links between Daphnia P-content, growth rate and habitat preference...
- Evolutionary factors affecting Lactate dehydrogenase A and B variation in the Daphnia pulex species complexTeresa J Crease
Department of Integrative Biology, University of Guelph, Guelph, Ontario N1G 2W1, Canada
BMC Evol Biol 11:212. 2011..Two closely related Daphnia species can be distinguished by their electrophoretic Ldh genotype and habitat...
- The Dscam homologue of the crustacean Daphnia is diversified by alternative splicing like in insectsDaniela Brites
Zoologisches Institut, Evolutionsbiologie, Universitat Basel, Vesalgasse 1, Switzerland
Mol Biol Evol 25:1429-39. 2008..We describe structural, expression, and evolutionary aspects of a Dscam homolog in 2 species of the crustacean Daphnia. The Dscam of Daphnia generates up to 13,000 different transcripts by the alternative splicing of variable exons...
- Toxicity and bioaccumulation of TiO2 nanoparticle aggregates in Daphnia magnaXiaoshan Zhu
Department of Civil, Environmental, and Sustainable Engineering, Arizona State University, USA
Chemosphere 78:209-15. 2010..including modified acute (72h) and chronic (21d) toxicity tests as well as nTiO(2) accumulation analysis using Daphnia magna as a model organism...
- The chemoreceptor genes of the waterflea Daphnia pulex: many Grs but no OrsD Carolina Peñalva-Arana
Department of Biology, Indiana University, Bloomington, IN 47405, USA
BMC Evol Biol 9:79. 2009..The keystone species Daphnia pulex, a well known crustacean, is the first aquatic invertebrate to have its genome sequenced...
- Analyzing effects of pesticides on invertebrate communities in streamsMatthias Liess
UFZ Centre for Environmental Research, Permoserstrasse 15, D 04318 Leipzig, Germany
Environ Toxicol Chem 24:954-65. 2005..showed that measured pesticide concentrations of 1:10 of the acute 48-h median lethal concentration (LC50) of Daphnia magna led to a short- and long-term reduction of abundance and number of SPEAR and a corresponding increase in ..
- The evolution of virulence when parasites cause host castration and gigantismDieter Ebert
Universitat Basel, Zoologisches Institut, Vesalgasse 1, 4051 Basel, Switzerland
Am Nat 164:S19-32. 2004..of experiments to understand the evolution of virulence of a castrating bacterium in the planktonic crustacean Daphnia magna. By manipulating food levels during the infection of D...
- Resolving the infection process reveals striking differences in the contribution of environment, genetics and phylogeny to host-parasite interactionsDavid Duneau
University of Basel, Zoological Institute, Vesalgasse 1, Basel, Switzerland
BMC Biol 9:11. 2011..We designed a new method using the Daphnia magna - Pasteuria ramosa system, one of the rare examples where coevolution has been documented, in order to ..
- Toxicity and bioaccumulation of xenobiotic organic compounds in the presence of aqueous suspensions of aggregates of nano-C(60)A Baun
Department of Environmental Engineering, Technical University of Denmark, Building 113, DK 2800 Kgs Lyngby, Denmark
Aquat Toxicol 86:379-87. 2008..systems was studied in a series of toxicity tests with algae (Pseudokirchneriella subcapitata) and crustaceans (Daphnia magna)...
- Effects of particle composition and species on toxicity of metallic nanomaterials in aquatic organismsRobert J Griffitt
Center for Environmental and Human Toxicology, University of Florida, Gainesville, Florida 32911, USA
Environ Toxicol Chem 27:1972-8. 2008..in all organisms tested, with 48-h median lethal concentrations as low as 40 and 60 microg/L, respectively, in Daphnia pulex adults, whereas titanium dioxide did not cause toxicity in any of the tests...
- Role of microcystins in poisoning and food ingestion inhibition of Daphnia galeata caused by the cyanobacterium Microcystis aeruginosaT Rohrlack
Research Group Ecology, Department of Biology, Humboldt University, D 10099 Berlin, Germany
Appl Environ Microbiol 65:737-9. 1999The effects of microcystins on Daphnia galeata, a typical filter-feeding grazer in eutrophic lakes, were investigated...
- The effect of transposon Pokey insertions on sequence variation in the 28S rRNA gene of Daphnia pulexShiona K Glass
Department of Integrative Biology, University of Guelph, Guelph, ON N1G2W1 Canada
Genome 51:988-1000. 2008..site in genes with and without insertions from 10 obligately and 10 cyclically parthenogenetic isolates of Daphnia pulex...
- Stress signaling: coregulation of hemoglobin and male sex determination through a terpenoid signaling pathway in a crustaceanCynthia V Rider
Department of Environmental and Molecular Toxicology, North Carolina State University, Raleigh, NC 27695 7633, USA
J Exp Biol 208:15-23. 2005..In the present study, we demonstrate that two responses to environmental stress signaling in the crustacean Daphnia magna--hemoglobin accumulation and male offspring production--are co-elevated by the crustacean terpenoid hormone ..
- Small-amplitude cycles emerge from stage-structured interactions in Daphnia-algal systemsEdward McCauley
Ecology and Evolution Group, Department of Biological Sciences, University of Calgary, Calgary, Alberta T2N 1N4, Canada
Nature 455:1240-3. 2008..These theoretical predictions may explain previous empirical results on coexisting attractors found in Daphnia-algal systems...
- Intraspecific competition delays recovery of population structureMatthias Liess
UFZ Helmholtz Centre for Environmental Research, Department of System Ecotoxicology, Permoserstrasse 15, D 04318 Leipzig, Germany
Aquat Toxicol 97:15-22. 2010..To test these hypotheses we exposed populations of Daphnia magna to a pulse of the pyrethroid Fenvalerate...
- Annotation, phylogenetics, and expression of the nuclear receptors in Daphnia pulexSusanne A Thomson
Department of Environmental and Molecular Toxicology, North Carolina State University, Raleigh, North Carolina, USA
BMC Genomics 10:500. 2009..The aim of this study was to identify putative nuclear receptors from the first assembled genome of a crustacean Daphnia pulex http://wFleaBase.org...
- Influence of multigeneration acclimation to copper on tolerance, energy reserves, and homeostasis of Daphnia magna strausBart T A Bossuyt
Laboratory of Environmental Toxicology and Aquatic Ecology, Ghent University, J Plateaustraat 22, B 9000 Ghent, Belgium
Environ Toxicol Chem 23:2029-37. 2004A multigeneration acclimation experiment was performed with Daphnia magna exposed to copper to assess possible changes in tolerance and to establish the optimal concentration range (OCEE) of this species...
- Morphological changes in Daphnia galeata induced by a crustacean terpenoid hormone and its analogShigeto Oda
National Institute for Environmental Studies, Tsukuba, Ibaraki, Japan
Environ Toxicol Chem 30:232-8. 2011..In the present study, morphological changes known as antipredatory responses in a cladoceran Daphnia galeata in response to exposure to MF and a juvenile hormone-mimicking pesticide, fenoxycarb, were investigated...
- Temperature-dependent effects of cadmium on Daphnia magna: accumulation versus sensitivityEvelyn H W Heugens
Department of Aquatic Ecology and Ecotoxicology, Faculty of Science, University of Amsterdam, P O Box 94084, 1090 GB Amsterdam, The Netherlands
Environ Sci Technol 37:2145-51. 2003..Therefore, the aim of this study was to analyze the effects of temperature on cadmium toxicity to the waterflea Daphnia magna and to address possible processes responsible for temperature-dependent toxicity...
- The missing biomarker link: relationships between effects on the cellular energy allocation biomarker of toxicant-stressed Daphnia magna and corresponding population characteristicsWim M De Coen
Laboratory for Ecophysiology and Biochemistry, University of Antwerp, Groenenborgerlaan 171, B 2020 Antwerp, Belgium
Environ Toxicol Chem 22:1632-41. 2003..The CEA methodology was fully explored by using neonates of Daphnia magna exposed for 96 h to six model toxicants (CdCl2, K2Cr2O7, tributyltin chloride, linear alkylbenzene sulfonic ..
- A survey of well conserved families of C2H2 zinc-finger genes in DaphniaArun Seetharam
Department of Biology, Indiana State University, Terre Haute, IN 47809, USA
BMC Genomics 11:276. 2010..e. worms, flies, and humans). Here we extend that analysis to include a second arthropod genome from the crustacean, Daphnia pulex.
- Avoidance of copper contamination by field populations of Daphnia longispinaIsabel Lopes
Instituto do Ambiente e Vida, Departamento de Zoologia da Universidade de Coimbra, Largo Marques de Pombal, 3004 517 Coimbra, Portugal
Environ Toxicol Chem 23:1702-8. 2004..Twelve cloned lineages of the cladoceran Daphnia longispina, collected from two field populations, were selected according to their lethal sensitivity to copper ..
- Toxicity biomarker expression in daphnids exposed to manufactured nanoparticles: changes in toxicity with functionalizationRebecca Klaper
Great Lakes WATER Institute, University of Wisconsin Milwaukee, Milwaukee, WI 53204, USA
Environ Pollut 157:1152-6. 2009In previous work we have shown that the toxicity of nanomaterials to Daphnia spp. differs with the type of nanoparticle either due to the core of the particle or to the way in which a particle suspension is prepared...
- Differential gene expression in Daphnia magna suggests distinct modes of action and bioavailability for ZnO nanoparticles and Zn ionsHelen C Poynton
National Exposure Research Laboratory, US Environmental Protection Agency, Cincinnati, Ohio, USA
Environ Sci Technol 45:762-8. 2011..ZnO NPs in suspension dissolves, and this fraction cannot account for the toxicity of the ZnO NP suspensions to Daphnia magna. Gene expression profiling of D...
- Behavioral and physiological changes in Daphnia magna when exposed to nanoparticle suspensions (titanium dioxide, nano-C60, and C60HxC70Hx)Sarah B Lovern
University of Wisconsin Milwaukee, Great Lakes WATER Institute, 600 E Greenfield Avenue, Milwaukee, Wisconsin 53204, USA
Environ Sci Technol 41:4465-70. 2007..In this experiment, we quantified these behavioral and physiological responses of Daphnia magna at sublethal nanoparticle concentrations...
- Identification of peptide metabolites of Microcystis (Cyanobacteria) that inhibit trypsin-like activity in planktonic herbivorous Daphnia (Cladocera)Olaf Czarnecki
Humboldt Universitat Berlin, Institut fur Biologie, AG Okophysiologie, Luisenstr 53, 10117 Berlin, Germany
Environ Microbiol 8:77-87. 2006..for their potential to inhibit trypsin-like activity in the planktonic crustacea Daphnia, the main herbivores in freshwater ecosystem...
- How do consumers deal with stoichiometric constraints? Lessons from functional genomics using Daphnia pulexPunidan D Jeyasingh
Department of Zoology, Oklahoma State University, Stillwater, OK 74078, USA
Mol Ecol 20:2341-52. 2011..varying supply and demand of phosphorus relative to other dietary components in the keystone limnetic herbivore, Daphnia pulex...
- Fine-scale temporal and spatial variation of taxon and clonal structure in the Daphnia longispina hybrid complex in heterogeneous environmentsMingbo Yin
Ludwig Maximilians Universitat, Department Biologie II, Evolutionsökologie, Grosshaderner Str, 2, D 82152 Planegg Martinsried, Germany
BMC Evol Biol 12:12. 2012Cyclical parthenogenetic water fleas of the genus Daphnia have become a prominent model organism in ecology and evolution...
- Rapid, local adaptation of zooplankton behavior to changes in predation pressure in the absence of neutral genetic changesC Cousyn
Laboratory of Aquatic Ecology, Katholieke Universiteit Leuven, Ch. De Beriotstraat 32, B-3000 Leuven, Belgium
Proc Natl Acad Sci U S A 98:6256-60. 2001..Starting from a natural resting egg bank of the waterflea Daphnia, we compare the evolutionary rates of change in an adaptive quantitative trait with those in selectively neutral ..
- Toxicogenomic responses of nanotoxicity in Daphnia magna exposed to silver nitrate and coated silver nanoparticlesHelen C Poynton
Department of Environmental, Earth and Ocean Sciences, University of Massachusetts, Boston, Boston, MA 02125, United States
Environ Sci Technol 46:6288-96. 2012..In the present study we used a 15k oligonucleotide microarray for Daphnia magna, a freshwater crustacean and common indicator species for toxicity, to differentiate between particle ..
- Comparison of nanosilver and ionic silver toxicity in Daphnia magna and Pimephales promelasSarah M Hoheisel
U S Environmental Protection Agency, Mid Continent Ecology Division, Duluth, MN, USA
Environ Toxicol Chem 31:2557-63. 2012..the potency of nanosilver to ionic silver (Ag(+)) at acute and sublethal levels using two test organisms (Daphnia magna and Pimephales promelas). The 48-h D...
- Fecundity compensation and tolerance to a sterilizing pathogen in DaphniaP F Vale
Centre d Ecologie Fonctionnelle et Evolutive, UMR 5175, Montpellier, France
J Evol Biol 25:1888-96. 2012..Here, we tested for genetic variation in the multiple steps of defence when the invertebrate Daphnia magna is infected with the sterilizing bacterial pathogen Pasteuria ramosa: anti-infection resistance, anti-..
- Molecular mechanisms of tolerance to cyanobacterial protease inhibitors revealed by clonal differences in Daphnia magnaAnke Schwarzenberger
Zoological Institute, Cologne Biocentre, University of Cologne, Zuelpicher Str 47b, 50674, Cologne, Germany
Mol Ecol 21:4898-911. 2012..freshwater ecosystems, the interaction between primary producers and herbivores is mainly represented by Daphnia and cyanobacteria. Protease inhibitors have been found in many cyanobacterial blooms...
- Acute toxicity of two CdSe/ZnSe quantum dots with different surface coating in Daphnia magna under various light conditionsJiyoun Lee
School of Public Health, Seoul National University, Seoul, 110 799 Korea
Environ Toxicol 25:593-600. 2010..In the present study, we employed freshwater macroinvertebrate, Daphnia magna, to evaluate toxicity characteristics of cadmium selenide/zinc selenide (CdSe/ZnSe) in relation to surface ..
- Host-parasite 'Red Queen' dynamics archived in pond sedimentEllen Decaestecker
Laboratory of Aquatic Ecology and Evolutionary Biology, Katholieke Universiteit Leuven, Charles De Beriotstraat 32, 3000 Leuven, Belgium
Nature 450:870-3. 2007..Dormant stages of both the water flea Daphnia and its microparasites are conserved in lake sediments, providing an archive of past gene pools...
- Single nucleotide polymorphism discovery from expressed sequence tags in the waterflea Daphnia magnaLuisa Orsini
Laboratory of Aquatic Ecology and Evolutionary Biology, K, U, Leuven, CH, Deberiotstraat 32, 3000 Leuven, Belgium
BMC Genomics 12:309. 2011b>Daphnia (Crustacea: Cladocera) plays a central role in standing aquatic ecosystems, has a well known ecology and is widely used in population studies and environmental risk assessments...
- Prior residency does not always pay off--co-infections in DaphniaJennifer N Lohr
Ludwig Maximilians Universitat Munchen, Department Biologie II, Evolutionsökologie, Grosshaderner Strasse 2, D 82152 Planegg Martinsried, Germany
Parasitology 137:1493-500. 2010..We infected a single genotype of the waterflea Daphnia galeata with both the intestinal protozoan Caullerya mesnili and the haemolymph fungus Metschnikowia sp...
- Phototoxicity of CdSe/ZnSe quantum dots with surface coatings of 3-mercaptopropionic acid or tri-n-octylphosphine oxide/gum arabic in Daphnia magna under environmentally relevant UV-B lightJungkon Kim
Department of Environmental Health, School of Public Health, Seoul National University, 28 Yunkeon, Chongro, Seoul 110 799, Republic of Korea
Aquat Toxicol 97:116-24. 2010..We performed an in vivo study employing Daphnia magna to evaluate the mechanism involved in toxicity of cadmium selenide/zinc selenide quantum dots (QDs) with ..
- Toxicity identification evaluation of leachates from municipal solid waste landfills: a multispecies approachMarina Isidori
Dipartimento di Scienze della Vita, Seconda Universita di Napoli, Via A Vivaldi, 43 I 81100, Caserta, Italy
Chemosphere 52:85-94. 2003..the freshwater rotifer Brachionus calyciflorus and the freshwater crustaceans Thamnocephalus platyurus and Daphnia magna...
- Biotransformation and bioconcentration of pyrene in Daphnia magnaJarkko Akkanen
Department of Biology, Laboratory of Aquatic Ecology and Ecotoxicology, University of Joensuu, P O Box 111, FIN 80101, Joensuu, Finland
Aquat Toxicol 64:53-61. 2003Water fleas (Daphnia magna) were exposed to [14C]pyrene in the presence and absence of piperonyl butoxide (PBO), a general cytochrome P450 (CYP) inhibitor, in organic carbon-free artificial freshwater (AFW, DOC<0...
- Effects of pesticides on community structure and ecosystem functions in agricultural streams of three biogeographical regions in EuropeRalf Bernhard Schäfer
UFZ Helmholtz Centre for Environmental Research, Dept System Ecotoxicology, Permoser Strasse 15, 04318 Leipzig, Germany
Sci Total Environ 382:272-85. 2007..the community structure was detectable at a concentration range as low as 1/100 to 1/1000 the acute 48 h-LC50 of Daphnia magna...
- Introduction of foreign DNA into the water flea, Daphnia magna, by electroporationYasuhiko Kato
Okazaki Institute for Integrative Bioscience, Japan
Ecotoxicology 19:589-92. 2010..This is the first report of gene introduction to daphnids and, together with the emerging genome sequences, will be useful for the expanding our use of daphnid in ecotoxicology...
- Quantitative DNA-methylation in Daphnia magna and effects of multigeneration Zn exposureM B Vandegehuchte
Laboratory of Environmental Toxicology and Aquatic Ecology, Ghent University, Ghent, Belgium
Comp Biochem Physiol C Toxicol Pharmacol 150:343-8. 2009..The presence of DNA methylation in Daphnia magna has only very recently been demonstrated, although not quantified...
- Fractionating nanosilver: importance for determining toxicity to aquatic test organismsAlan J Kennedy
US Army Engineer Research and Development Center, Vicksburg, Mississippi 39180, United States
Environ Sci Technol 44:9571-7. 2010..and coatings (citrate, polyvinylpyrrolidone, EDTA, proprietary) was assessed using three aquatic test organisms (Daphnia magna, Pimephales promelas, Pseudokirchneriella subcapitata)...
- Ecotoxicity of engineered nanoparticles to aquatic invertebrates: a brief review and recommendations for future toxicity testingA Baun
Department of Environmental Engineering, Technical University of Denmark, Miljoevej, Building 113, 2800 Kgs Lyngby, Denmark
Ecotoxicology 17:387-95. 2008..In addition, the majority of the studies have used Daphnia magna as the test organism...
- Ecotoxicity of nanoparticles of CuO and ZnO in natural waterI Blinova
Laboratory of Molecular Genetics, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, Tallinn 12618, Estonia
Environ Pollut 158:41-7. 2010..The acute toxicity of CuO and ZnO nanoparticles in artificial freshwater (AFW) and in natural waters to crustaceans Daphnia magna and Thamnocephalus platyurus and protozoan Tetrahymena thermophila was compared...
- Assays with Daphnia magna and Danio rerio as alert systems in aquatic toxicologyJ Martins
Departamento de Zoologia e Antropologia, Faculdade de Ciencias, Universidade do Porto, Praça Gomes Teixeira, 4099 002 Porto, Portugal
Environ Int 33:414-25. 2007..The aim of this research was to evaluate the use of ecotoxicity assays with Daphnia magna and Danio rerio as alert systems in water contaminated with toxic substances...
- Clonal erosion and genetic drift in cyclical parthenogens--the interplay between neutral and selective processesJ Vanoverbeke
Laboratory of Aquatic Ecology and Evolutionary Biology, KU Leuven, Leuven, Belgium
J Evol Biol 23:997-1012. 2010..Using a physiologically structured model of the life history of Daphnia, we investigated to what extent clonal erosion associated with selection during the clonal phase affects the ..
- Cryptic intercontinental colonization in water fleas Daphnia pulicaria inferred from phylogenetic analysis of mitochondrial DNA variationSilvia Markova
Department of Ecology, Faculty of Science, Charles University, Prague 2, Czech Republic
Mol Phylogenet Evol 44:42-52. 2007The water fleas of the Daphnia pulex complex play a key role in freshwater ecosystems throughout the northern hemisphere...
- Postexposure feeding depression: a new toxicity endpoint for use in laboratory studies with Daphnia magnaRuth A McWilliam
Environment Group, Institute of Aquaculture, University of Stirling, Scotland, United Kingdom
Environ Toxicol Chem 21:1198-205. 2002..Previous studies have indicated that Daphnia magna exposed to toxic substances can exhibit delayed recovery in feeding behavior (postexposure feeding ..
- Acute and chronic effects of nano- and non-nano-scale TiO(2) and ZnO particles on mobility and reproduction of the freshwater invertebrate Daphnia magnaKarin Wiench
BASF, Product Safety Regulations, Toxicology and Ecology, GUP CB Z470, Ludwigshafen, Germany
Chemosphere 76:1356-65. 2009..Therefore, the potential effects of nano-scale and non-nano-scale TiO(2) and ZnO on the water flea, Daphnia magna, were examined in 48-h acute toxicity tests using three different test media, several pigment formulations--..
- Development of an RNA interference method in the cladoceran crustacean Daphnia magnaYasuhiko Kato
Okazaki Institute for Integrative Bioscience, Myodaiji, Aichi, Japan
Dev Genes Evol 220:337-45. 2011..a technique to inject exogenous materials into ovulated eggs and developed a dsRNA-based RNAi method for Daphnia magna...
- Predator-induced defences in Daphnia pulex: selection and evaluation of internal reference genes for gene expression studies with real-time PCRKatina I Spanier
Department of Animal Ecology, Ruhr University Bochum, D 44780 Bochum, Germany
BMC Mol Biol 11:50. 2010The planktonic microcrustacean Daphnia pulex is among the best-studied animals in ecological, toxicological and evolutionary research. One aspect that has sustained interest in the study system is the ability of D...
- Estimation of cumulative aquatic exposure and risk due to silver: contribution of nano-functionalized plastics and textilesSabine A Blaser
Institute for Chemical and Bioengineering, ETH Zurich, CH 8093 Zurich, Switzerland
Sci Total Environ 390:396-409. 2008..However, our study indicates that PEC/PNEC ratios greater than 1 cannot be ruled out for freshwater ecosystems, in particular sediments. No risk is predicted for microbial communities in sewage treatment plants...
- Exploring embryonic germ line development in the water flea, Daphnia magna, by zinc-finger-containing VASA as a markerKazunori Sagawa
School of Life Science, Tokyo University of Pharmacy and Life Science, Hachioji, Japan
Gene Expr Patterns 5:669-78. 2005..on germ line development in crustaceans, we cloned VASA cDNAs from three branchiopod species: water fleas Daphnia magna and Moina macrocopa, and brine shrimp Artemia franciscana...
- Genetic diversity of Daphnia magna populations enhances resistance to parasitesFlorian Altermatt
Zoologisches Institut, Universitat Basel, Vesalgasse 1, CH 4051 Basel, Switzerland
Ecol Lett 11:918-28. 2008..We followed the spread of a microsporidian parasite in semi-natural outdoor Daphnia magna populations of low and high genetic diversity...
- Rapid evolution and ecological host-parasite dynamicsMeghan A Duffy
W K Kellogg Biological Station, Michigan State University, 3700 E Gull Lake Drive, Hickory Corners, MI 49060, USA
Ecol Lett 10:44-53. 2007..Focusing on a particular host-parasite system, Daphnia dentifera and its parasite Metschnikowia bicuspidata, we show that Daphnia from lakes with recent epidemics were ..
- The cost of being common: evidence from natural Daphnia populationsJustyna Wolinska
Indiana University, Department of Biology, Bloomington, Indiana 47405, USA
Evolution 63:1893-901. 2009..Queen theory operates in the wild, we studied the genetic structure of populations of the crustacean waterflea (Daphnia), in relation to their infection levels, for which we collected multiple samples from a variety of lakes...
- Juvenoid hormone methyl farnesoate is a sex determinant in the crustacean Daphnia magnaAllen W Olmstead
Department of Environmental and Molecular Toxicology, North Carolina State University, Raleigh, North Carolina 27695 7633, USA
J Exp Zool 293:736-9. 2002Daphnids (Daphnia magna) utilize cyclic parthenogenesis as a reproductive strategy. During periods of abundant resources, these organisms reproduce asexually...
- Draft genome sequence of the Daphnia pathogen Octosporea bayeri: insights into the gene content of a large microsporidian genome and a model for host-parasite interactionsNicolas Corradi
Canadian Institute for Advanced Research, The Biodiversity Research Centre, University of British Columbia, University Boulevard, Vancouver, BC V6T 1Z4, Canada
Genome Biol 10:R106. 2009..cuniculi. In this study, we present an in-depth survey of the large genome of Octosporea bayeri, a pathogen of Daphnia magna, with an estimated genome size of 24 Mb, in order to shed light on the organization and content of a large ..
- The cytochrome P450 (CYP) gene superfamily in Daphnia pulexWilliam S Baldwin
Clemson University, Biological Sciences, Institute of Environmental Toxicology, Pendleton, SC, USA
BMC Genomics 10:169. 2009..The latter form a critical component of detoxification systems...
- Reticulate evolution of the Daphnia pulex complex as revealed by nuclear markersRoland Vergilino
Departement de Biologie, Centre d Etudes Nordiques, Universite du Quebec a Rimouski, Quebec, Canada
Mol Ecol 20:1191-207. 2011..The Daphnia pulex complex has been intensively studied as it includes species that dominate freshwater environments in the ..
- Measuring parasite fitness under genetic and thermal variationP F Vale
Institute of Evolutionary Biology, School of Biological Sciences, University of Edinburgh, Ashworth Labs, Scotland, UK
Heredity (Edinb) 103:102-9. 2009..Using the natural host-parasite system Daphnia magna-Pasteuria ramosa, we performed experimental infections that incorporated host and parasite genetic ..
- Profiling sex-biased gene expression during parthenogenetic reproduction in Daphnia pulexBrian D Eads
The Center for Genomics and Bioinformatics and Department of Biology, Indiana University Bloomington, Indiana 47405, USA
BMC Genomics 8:464. 2007..microarray to investigate gene expression in males and two reproductive stages of females in the crustacean Daphnia pulex...
- Embryological aspects of inducible morphological defenses in DaphniaChristian Laforsch
Section of Evolutionary Ecology and GeoBioCenter, Department of Biology II, Ludwig Maximilians Universitat Munchen, 82152 Planegg Martinsried, Germany
J Morphol 262:701-7. 2004..We compared for the first time in five different Daphnia species the embryonic development of predator-induced and noninduced animals using scanning electron microscopy (..
- Development of a base set of toxicity tests using ultrafine TiO2 particles as a component of nanoparticle risk managementDavid B Warheit
DuPont Haskell Laboratory for Health and Environmental Sciences, Newark, DE 19714 0050, USA
Toxicol Lett 171:99-110. 2007..uf-TiO(2) exhibited low concern for aquatic hazard in unaerated, 48h, static acute tests using the water flea, Daphnia magna; exhibited low concern for aquatic hazard in unaerated, 96h, static acute tests using the rainbow trout, ..
- Expression of Bacillus cereus hemolysin II in Bacillus subtilis renders the bacteria pathogenic for the crustacean Daphnia magnaElena V Sineva
Laboratory of Molecular Microbiology, Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino, Moscow Region, Russia
FEMS Microbiol Lett 299:110-9. 2009..the expression of hlyII in Bacillus subtilis renders the bacteria hemolytic and is able to kill the crustacean Daphnia magna. The hemolytic activity of hlyII-encoded B...
- Toxicity assessment of metabolites of fungal biocontrol agents using two different (Artemia salina and Daphnia magna) invertebrate bioassaysM Favilla
Institute of Sciences of Food Production, CNR, Via G Amendola 122, 70125 Bari, Italy
Food Chem Toxicol 44:1922-31. 2006..Two invertebrate models, viz. Artemia salina and Daphnia magna were used to assess the acute toxicity of seven BCA metabolites, characterized by different chemical nature ..
- A multivariate biomarker-based model predicting population-level responses of Daphnia magnaWim M De Coen
Laboratory for Ecophysiology and Biochemistry, University of Antwerp, Groenenborgerlaan 171, B 2020 Antwerp, Belgium
Environ Toxicol Chem 22:2195-201. 2003A multivariate model is proposed relating short-term biomarker measurements in Daphnia magna to chronic effects (21-d exposure) occurring at the population level (time to death, mean brood size, mean total young per female, intrinsic ..
- Disentangling the influence of parasite genotype, host genotype and maternal environment on different stages of bacterial infection in Daphnia magnaMatthew D Hall
Zoologisches Institut, Evolutionsbiologie, University of Basel, Basel 4051, Switzerland
Proc Biol Sci 279:3176-83. 2012..Here, we use the crustacean Daphnia magna and its parasite Pasteuria ramosa to show how disentangling genetic and environmental factors at different ..
- Chronic effects of cyanobacterial toxins on Daphnia magna and their offspringThanh Son Dao
Institute for Environment and Resources, 142 To Hien Thanh Street, District 10, Ho Chi Minh City, Vietnam
Toxicon 55:1244-54. 2010The zooplankton grazer Daphnia magna endures living in water bodies up to moderate densities of cyanobacteria, such as Microcystis spp., known for producing toxic secondary metabolites...
- Comparison of acute and chronic toxicity of silver nanoparticles and silver nitrate to Daphnia magnaChun Mei Zhao
The Hong Kong University of Science and Technology, Kowloon, Hong Kong
Environ Toxicol Chem 30:885-92. 2011..of AgNP and its bioaccumulation from both aqueous and dietary sources in a model freshwater cladoceran, Daphnia magna...
- Synergistic toxic effect of nano-TiO and As(V) on Ceriodaphnia dubiaDemin Wang
Department of Civil, Architectural and Environmental Engineering, Missouri University of Science and Technology, Rolla, MO 65409, USA
Sci Total Environ 409:1351-6. 2011..Hydrodynamic size and sorption capacity were most important parameters for toxicity...
- Evolution of the nuclear ribosomal DNA intergenic spacer in four species of the Daphnia pulex complexCheryl D Ambrose
Department of Integrative Biology, University of Guelph, Guelph, ON N1G2W1, Canada
BMC Genet 12:13. 2011..and/or homogenization within IGS repeat arrays, and to identify regions of the IGS that are under functional constraint, we analyzed 13 complete IGS sequences from 10 individuals representing four species in the Daphnia pulex complex.
- Differentiation of the toxicities of silver nanoparticles and silver ions to the Japanese medaka (Oryzias latipes) and the cladoceran Daphnia magnaJiwon Kim
Environmental Toxicology Center, Division of Research and Development, Korea Institute of Toxicology KIT, Yuseong, Daejon, Korea
Nanotoxicology 5:208-14. 2011..The 48-h effective concentration 50 (EC(50)) values for Daphnia magna of suspensions of 60 nm and 300 nm AgNPs were 1.0 (95% confidence interval [CI] = 0.1-1.3) and 1...
- Protection against the toxicity of microcystin-LR and cylindrospermopsin in Artemia salina and Daphnia spp. by pre-treatment with cyanobacterial lipopolysaccharide (LPS)J Lindsay
Division of Environmental and Applied Biology, School of Life Sciences, University of Dundee, Dundee DD1 4HN, UK
Toxicon 48:995-1001. 2006..cyanobacterial lipopolysaccharide (LPS) was not acutely toxic to three aquatic invertebrates (Artemia salina, Daphnia magna and Daphnia galeata) in immersion trials...
- Genetic variation for maternal effects on parasite susceptibilityM Stjernman
Institute of Evolutionary Biology, School of Biological Sciences, University of Edinburgh, Ashworth Laboratories, Edinburgh, UK
J Evol Biol 24:2357-63. 2011..studied how maternal effects (high or low food availability to mothers) mediated the resistance of the crustacean Daphnia magna to its bacterial parasite Pasteuria ramosa...
- Life stage- dependent bioconcentration of a nonylphenol isomer in Daphnia magnaThomas G Preuss
Institute of Environmental Research Biology V, Aachen University, Worringerweg 1, D 52066 Aachen, Germany
Environ Pollut 156:1211-7. 2008..In this study we used a radiolabeled nonylphenol isomer to investigate the bioconcentration in Daphnia magna at different ages. Apart from the total radioactivity we measured the metabolism of p353-NP in D...
- Predator-induced defense makes Daphnia more vulnerable to parasitesMingbo Yin
Ludwig Maximilians University Munich, Department Biology II, Grosshaderner Str 2, D 82152 Planegg Martinsried, Germany
Evolution 65:1482-8. 2011..Our current work reveals a significant cost to inducible defenses. Using the waterflea (Daphnia) model system, we show that induced defended morphs are significantly more vulnerable to infection by a virulent ..
- Metabolomics of microliter hemolymph samples enables an improved understanding of the combined metabolic and transcriptional responses of Daphnia magna to cadmiumHelen C Poynton
National Exposure Research Laboratory, U S Environmental Protection Agency, Cincinnati, Ohio, United States
Environ Sci Technol 45:3710-7. 2011..and whole-body transcriptome to reveal early processes leading to chronic toxicity in the indicator species, Daphnia magna, after 24-h sublethal cadmium exposure (18 μg/L, corresponding to 1/10 LC(50))...
- High mutation rates in the mitochondrial genomes of Daphnia pulexSen Xu
Great Lakes Institute for Environmental Research, University of Windsor, Windsor, Ontario, Canada
Mol Biol Evol 29:763-9. 2012..In this study, we directly estimate the mtDNA mutation rate and spectrum using Daphnia pulex mutation-accumulation (MA) lines derived from sexual (cyclically parthenogenetic) and asexual (obligately ..
- The effect of fullerenes and functionalized fullerenes on Daphnia magna phototaxis and swimming behaviorKathryn A Brausch
The Institute of Environmental and Human Health, Texas Tech University, Lubbock, Texas, USA
Environ Toxicol Chem 30:878-84. 2011..Previous studies have reported alteration in Daphnia magna behavior, including increased hopping frequency, heart rate, and appendage movement in response to ..
- Acute toxicity of nanosized TiO(2) to Daphnia magna under UVA irradiationIrene Amiano
GLP Ecotoxicity Laboratory, Tecnalia, Azpeitia, Spain
Environ Toxicol Chem 31:2564-6. 2012..and the expected solar UVA contribution, will allow a more realistic understanding of the toxicity of TiO(2) to Daphnia magna. The results show that the contribution of UVA to TiO(2) toxicity cannot be ignored...
- Histaminergic signaling in the central nervous system of Daphnia and a role for it in the control of phototactic behaviorMatthew D McCoole
Department of Toxicology, College of Pharmacy, University of Louisiana at Monroe, 700 University Avenue, Monroe, LA 71209, USA
J Exp Biol 214:1773-82. 2011b>Daphnia magna and Daphnia pulex are well-established model organisms in the fields of ecotoxicology and toxicogenomics...
- Potential synergistic effects of microcystins and bacterial lipopolysaccharides on life history traits of Daphnia galeata raised on low and high food levelsL Miguel Dionisio Pires
Netherlands Institute of Ecology, Department of Aquatic Ecology, 6700 AB Wageningen, The Netherlands
Aquat Toxicol 104:230-42. 2011Metastudies have found no consistent effects of the cyanobacterial toxin microcystin on Daphnia, and there are discrepancies between field observations and experiments...
- Expression and evolution of chemoreceptor genes in the model organism DaphniaDINORA CAROLINA PENALVA ARANA; Fiscal Year: 2010..The Daphnia genome has recently been sequenced and a set of 58 gustatory receptor genes (Grs) has been identified...
- Characterization and genetic analysis of aging in DaphniaJeffry L Dudycha; Fiscal Year: 2013DESCRIPTION (provided by applicant): This project will develop the microcrustacean Daphnia as a model system for the biology of aging...
- Population Genomics of Daphnia pulexMICHAEL R LYNCH; Fiscal Year: 2013..goal of this project is to obtain high-quality sequence for the genomes of ~150 isolates of the microcrustacean Daphnia pulex, as well as lower-coverage data for ~5000 additional geographically distributed genotypes for population-..
- Effects of environmental contamination on gene copy number variation: Molecular bJoseph Shaw; Fiscal Year: 2013..Accordingly, our proposal employs studies using the recently added and ideal NIH model organism, Daphnia, to test the central hypothesis that exposure to environmental contaminants increase the rate of mutations giving ..
- Daphnia Functional Genomics ResourceMICHAEL EUGENE PFRENDER; Fiscal Year: 2010..b>Daphnia is a logical candidate study system for further development to fill this gap...
- Daphnia DNA MicroarraysOwen Hughes; Fiscal Year: 2002..Specifically, in this Phase I work we will construct a pilot array for Daphnia pulex...
- Fathead minnow DNA microarraysOwen Hughes; Fiscal Year: 2002..If this work proves feasibility, Phase II will involve developing a reasonably comprehensive Pimephales array as well as beginning arrays for Daphnia, duckweed, and green algae.
- MASS SPECTRAL SEQUENCING OF CARBOHYDRATESVernon Reinhold; Fiscal Year: 2009..To tackle this research area we introduce a new and more appropriate animal model Daphnia. We discuss the many reasons this simple microcrustacean is appropriate for the tasks ahead and supply ..
- NEURAL CONTROL OF SENSORY ACQUISITIONMark Nelson; Fiscal Year: 2004..The modeling framework is used to quantitatively evaluate the contributions of afferent convergence and spatiotemporal filtering in the ELL maps to the enhancement of the signal and the suppression of the background. ..
- Induction of breast cancer in MMTVneu miceWilliam Baldwin; Fiscal Year: 2002..Overall, the purpose of this study is to examine 4-nonylphenol's effects on breast cancer growth and its mechanism of action on the mammary tumor. ..
- Modeling, Estimation and Control in HIV DynamicsH Banks; Fiscal Year: 2005....
- Inflammatory Processes in Aging DrosophilaScott Pletcher; Fiscal Year: 2007..unreadable] [unreadable] [unreadable]..
- Genetics of Aging and Innate Immunity in DrosophillaScott Pletcher; Fiscal Year: 2005..We will also measure the physiological and transcriptional response to controlled exposure to infectious agents and determine whether lifespan in Drosophila is limited by natural exposure to pathogens. ..
- Proteomics Study of Peripheral Blood Monocytes on OsteoporosisHong Wen Deng; Fiscal Year: 2007..unreadable] [unreadable] [unreadable]..
- Genetic Basis of Osteoporotic Fractures and Bone MassHong Wen Deng; Fiscal Year: 2005..There are only a few remaining minor concerns. Five years of support are recommended with an outstanding level of enthusiasm. ..
- The Rate and Molecular Spectrum of Spontaneous MutationsMichael Lynch; Fiscal Year: 2009..four model systems: the yeast Saccharomyces cerevisiae, the nematode Caenorhabditis elegans, the microcrustacean Daphnia pulex, and the ciliate Paramecium tetraurelia...
- Directory and Information System components for genomesDonald Gilbert; Fiscal Year: 2003..Such a module for automated, common-standard use of organism genome data is an important step toward a grid of data useable for the large-scale analyses desired bioscientists. ..
- CHARACTERIZATION OF DELETERIOUS GENOMIC MUTATIONSHong Wen Deng; Fiscal Year: 2005..abstract_text> ..
- Genomic search for bone mass QTLsHong Wen Deng; Fiscal Year: 2010..This knowledge is essential for the development of preventive interventions and/or cures for osteoporosis that may be based on individuals'specific genotypes. ..