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2009-07-04
More is not necessarily better: the impact of limiting and excessive nutrients on herbivore population growth rates
Latest Issue of Ecological Entomology
Keywords:
Aphis nerii
2009-07-04
Is optimal foraging a realistic expectation in orb-web spiders?
Latest Issue of Ecological Entomology
Keywords:
Gasteracantha fornicata
2009-07-04
Patterns of abundance of fire ants and native ants in a native ecosystem
Latest Issue of Ecological Entomology
Keywords:
Solenopsis carolinensis, Solenopsis invicta
2009-07-04
Inbreeding in horsenettle influences herbivore resistance
Latest Issue of Ecological Entomology
Keywords:
Manduca sexta, Solanum carolinense
2009-07-04
Ecologically heterogeneous populations of the invasive ant Wasmannia auropunctata within its native and introduced ranges
Latest Issue of Ecological Entomology
Keywords:
Wasmannia auropunctata
2009-07-04
Effects of soil characteristics and human disturbance on tiger beetle oviposition
Latest Issue of Ecological Entomology
Keywords:
Cicindela hirticollis, Cicindela oregona
2009-07-04
Seasonal cycles of assortative mating and reproductive behaviour in polymorphic populations of Harmonia axyridis in China
Latest Issue of Ecological Entomology
Keywords:
Harmonia axyridis
2009-07-04
Effects of livestock breed and grazing pressure on ground-dwelling arthropods in Cantabrian heathlands
Latest Issue of Ecological Entomology
Keywords:
Pardosa pullata
2009-07-04
Leaf species identity and combination affect performance and oviposition choice of two container mosquito species
Latest Issue of Ecological Entomology
Keywords:
Aedes albopictus, Aedes triseriatus, Nephrolepis exaltata, Psychotria nervosa, Quercus virginiana, Vitis aestivalis
2009-07-04
Effects of temperature and elevation on habitat use by a rare mountain butterfly: implications for species responses to climate change
Latest Issue of Ecological Entomology
Keywords:
Parnassius apollo, Sedum amplexicaule, Sedum brevifolium
2009-07-04
Aggression in imported fire ants: an explanation for shifts in their spatial distributions in Southern United States?
Latest Issue of Ecological Entomology
Keywords:
Solenopsis invicta, Solenopsis richteri
2009-07-04
Post-ingestive effects of nectar alkaloids depend on dominance status of bumblebees
Latest Issue of Ecological Entomology
Keywords:
Bombus impatiens, Gelsemium sempervirens
2009-07-04
Modern approaches for the biological control of vertebrate pests: an Australian perspective
ScienceDirect Publication: Biological Control
Publication year: 2009
Source:
Biological Control, In Press, Accepted Manuscript, Available online 3 July 2009
Glen, Saunders , Brian, Cooke , Ken, McColl , Richard, Shine , Tony, Peacock
Vertebrate pests cost Australia at least $1 billion annually in lost agricultural production and environmental damage. The spectacular success of myxomatosis in the 1950s and more recently, rabbit haemorrhagic disease, in the biological control of European rabbits has led to ongoing research into similar solutions for other vertebrate pests. There are significant barriers to the successful employment of biological control options including the obvious technological ones, such as host-specificity, as well as the investment required, public concerns and regulatory requirements. The role of biological control in vertebrate pest management and the attempts to develop such strategies in Australia is reviewed...
Keywords:
Boiga irregularis, Capra hircus, Centaurea solstitialis, Ceratapion basicorne, Ceratapion onopordi, Ceratapion orientale, Ceratapion penetrans, Ceratapion scalptum, Mycobacterium bovis, Oryctolagus cuniculus, Sturnus vulgaris, Trichosurus vulpecula
2009-07-04
Folksong based appraisal of bio-eco-cultural heritage of sorghum (Sorghum bicolor (L.) Moench): A new approach in ethnobiology
Journal of Ethnobiology and Ethnomedicine - Latest articles
Background:sorghum is one of the main staple crops for the world's poorest and most food insecure people. As Ethiopia is the centre of origin and diversity for sorghum, the crop has been cultivated for many thousand years and hence the heritage of the crop is expected to be rich. Folksong based appraisal of bioecocultural heritage has not been done before.Methods:In order to assess the bioecocultural heritage of sorghum by folk songs various research methods were employed. These included focus group discussions with 360 farmers, direct on farm participatory monitoring and observation with 120 farmers, and key informant interviews with 60 farmers and development agents. Relevant secondary data was also collected from the museum curators and historians.Results:It has been found out that the crop is intimately associated with the life of the farmers. The association of sorghum with the farmers from seed selection to utilization is presented using folk songs. Folksong includes both tune and textual (ballad stories or poems) types. Folksongs described that farmers maintain a number of varieties on farm for many biological, socio-economic, ecological, ethnological and cultural reasons. Farmers describe sorghum as follows: Leaf number is less than twenty; Panicle holds thousand seeds; a clever farmer holds of it. Besides, they described the various farmers' varieties ethnobotanically by songs. The relative importance of sorghum vis-a-vis others crops is similarly explained in folksong terms.Conclusions:The qualitative description of farmers' characterisation of crop system based on folksongs is a new system of appraising farmers' bioecocultural heritages. Hence, researchers in addition to formal and quantitative descriptions, have to use the folksong system for enhanced characterisation and utilization of bioecocultural heritages. In general, the vital characteristics of the folksongs used in describing the bioecocultural heritages are their oral traditions, varied function, communal or individual recreation and message transmissions.
Keywords:
Sorghum bicolor
2009-07-04
Genetic variability in geographical populations of Culex quinquefasciatus Say (Diptera: Culicidae) from India based on Random Amplified Polymorphic DNA Analysis
ScienceDirect Publication: Acta Tropica
Publication year: 2009
Source:
Acta Tropica, In Press, Accepted Manuscript, Available online 3 July 2009
A.K., Sharma , M.J., Mendki , S.N., Tikar , K., Chandel , D., Sukumaran , ...
Genetic variability and environmental factors may influence the refractiveness, propagation of pathogen and transmission of disease. Random Amplified Polymorphic DNA (RAPD) is one of the widely used molecular markers for population genetic diversity studies. In present study, RAPD is used to ascertain the genetic variability in Culex quinquefasciatus populations collected from various Indian geographical locations. Out of 50 RAPD primers screened, 14 primers exhibited clear, concrete and distinct banding pattern showing upto 100% polymorphism. Primer OPBD3 was tested with DNA of 14 geographical populations from India (including one laboratory population) showed 21 loci representing 14 populations with 100% polymorphism. The...
Keywords:
Culex quinquefasciatus, Dicrocoelium dendriticum, Wuchereria bancrofti
2009-07-04
Socio-environmental conditions, intestinal parasitic infections and nutritional status in children from a suburban neighborhood of La Plata, Argentina
ScienceDirect Publication: Acta Tropica
Publication year: 2009
Source:
Acta Tropica, In Press, Accepted Manuscript, Available online 3 July 2009
MarÃa I., Gamboa , Graciela T., Navone , Alicia B., Orden , MarÃa F., Torres , Luis E., Castro , ...
We analyzed intestinal parasitic infections in children aged 1 to 12 years from a poor neighborhood in La Plata, Argentina, and determined the correlations with their nutritional status and socio-environmental conditions. We performed parasitological analyses with anal brushed technique (for E.vermicularis eggs) and fecal samples, employing the techniques of Ritchie, Carles Barthelemy and Willis. The worm burdens of nematodes were estimated by means of Kato Katz technique. Low weight-for-age (underweight), height-for-age (stunting) and weight-for-height (wasting) were calculated based on the 5th centile of the WHO 2006 (children under 5) and CDC 2000 (older children and adolescents) growth references. We also...
Keywords:
Homunculus nebula, Panochthus tuberculatus
2009-07-04
Sod cutting and soil biota effects on seedling performance
ScienceDirect Publication: Acta Oecologica
Publication year: 2009
Source:
Acta Oecologica, In Press, Corrected Proof, Available online 3 July 2009
Kim, Weijtmans , Eelke, Jongejans , Jasper, van Ruijven
Sod cutting (i.e. top soil removal) is a restoration management option for enhancing seedling establishment and for lowering the nutrient concentration in eutrophicated soils of nutrient-poor species-rich grasslands. Removal of the upper soil changes not only abiotic soil properties but may also affect the resident soil community. We investigated the effects of sod cutting on the establishment and performance of two endangered plant species (Cirsium dissectum and Succisa pratensis) while simultaneously manipulating the interaction between seedlings and soil biota. In intact grassland and sod-cut areas at two localities, seedlings were grown in plastic tubes. Half of the tubes had a...
Keywords:
Ammophila arenaria, Centaurea dissectum, Centaurea jacea, Cirsium anglicum, Cirsium dissectum, Cirsium jacea, Cirsium tuberosum, Cnicus pratensis, Hypochaeris radicata, Populus tremuloides, Scabiosa succisa, Succisa pratensis
2009-07-04
Digestibility of forage silages from grain, sweet and bmr sorghum types: Comparison of in vivo, in situ and in vitro data
ScienceDirect Publication: Animal Feed Science and Technology
Publication year: 2009
Source:
Animal Feed Science and Technology, In Press, Corrected Proof, Available online 3 July 2009
O.N., Di Marco , M.A., Ressia , S., Arias , M.S., Aello , M., Arzadún
Three forage silages from grain (G), sweet (S) and bmr (B) sorghum types were evaluated in terms of chemical composition: ash, CP, aNDF, ADF and lignin(pm), in vivo digestibility of DM, OM and aNDF, in situ DM disappearance at 0, 3, 6, 9, 12, 24, 48 and 72h of incubation and in vitro apparent DM and aNDF digestibility at 24 and 48h of incubation. Forage silages did not differ in chemical composition, except for lignin(pm) content, which was lower in S than in G and B. The in vivo digestibility of DM (0.517) and OM (0.575) did not differ among...
Keywords:
Acacia senegal, Cynodon plectostachyus, Guiera senegalensis, Pterocarpus lucens, Schoenefeldia gracilis, Vitis vinifera
2009-07-04
Visuotopic organization and extent of V3 and V4 of the macaque
CiteULike: Everyone's library
J. Neurosci., Vol. 8, No. 6. (1 June 1988), pp. 1831-1845.
The representation of the visual field in areas V3 and V4 of the macaque was mapped with multiunit electrodes. Twelve Macaca fascicularis were studied in repeated recording sessions while immobilized and anesthetized. V3 is a narrow strip (4-5 mm wide) of myeloarchitectonically distinct cortex located immediately anterior to V2. It contains a systematic representation of the central 35-40 degrees of the contralateral visual field; the representation of the upper quadrant is located ventrally in the hemisphere and that of the lower quadrant, dorsally. There is a small gap between the dorsal (V3d) and ventral (V3v) portions of V3. The representation of the horizontal meridian is adjacent to that in V2 and forms the posterior border of both V3d and V3v. Most or all of the anterior border of V3d consists of the representation of the lower vertical meridian. The entire anterior border of V3v consists of the representation of the upper vertical meridian. V4 is a strip of myeloarchitectonically distinct cortex 5-8 mm wide, immediately anterior to V3. It contains a coarse, but systematic, representation of approximately the central 35-40 degrees of the contralateral visual field. The representation of the upper visual field is located ventrally in the hemisphere. Most of the representation of the lower visual field is located dorsally. The posterior border of V4 corresponds to the representation of the vertical meridian, and the representation of the horizontal meridian is located at or near its anterior border. In both V3 and V4, the representation of the central visual field is magnified relative to that of the periphery. In both areas, the size of receptive fields increases with increasing eccentricity; however, at a given eccentricity, the receptive fields of V4 are larger than those of V3.
R Gattass, AP Sousa, CG Gross
Keywords:
Macaca fascicularis
2009-07-04
Changes in wet meadow vegetation after 20 years of different management in a field experiment (North-West Germany)
ScienceDirect Publication: Agriculture, Ecosystems & Environment
Publication year: 2009
Source:
Agriculture, Ecosystems & Environment, In Press, Corrected Proof, Available online 3 July 2009
Kathrin, Poptcheva , Peter, Schwartze , Andreas, Vogel , Till, Kleinebecker , Norbert, Hölzel
Conservation and restoration of semi-natural wet grasslands often suffer from poor knowledge on successional pathways of respective habitats under different mowing treatments to derive profound management concepts. In this study, we present the results of a 20-year experiment in six semi-natural wet grassland sites in NW Germany including mowing with and without fertilizer addition and fallow. Succession was recorded by permanent plots. The studied wet grassland communities responded quite similar under equal management. Fallow resulted in the most significant changes in floristic and functional composition facilitating highly competitive rushes and tall forbs. The changes were more pronounced the more the...
Keywords:
Agrostis canina, Agrostis stolonifera, Alopecurus geniculatus, Alopecurus pratensis, Calluna epithymum, Calluna vulgaris, Carex canescens, Carex echinata, Carex nigra, Carex rostrata, Cirsium arvense, Cirsium palustre, Cuscuta epithymum, Dactylorhiza majalis, Festuca pratensis, Hydrocotyle vulgaris, Juncus effusus, Juncus filiformis, Lotus uliginosus, Lythrum salicaria, Poa pratensis, Poa trivialis, Ranunculus flammula, Rhinanthus angustifolius, Serratula tinctoria, Silene flos-cuculi, Veronica scutellata, Viola elatior, Viola persicifolia, Viola pumila
2009-07-04
William (Bill) J. Cody: A Legacy of Contributions to Northern Canadian Botany
BEN-Botanical Electronic News
On Monday, March 24 2009, William (Bill) James Cody passed away following astroke. Bill was a very good friend and a very valuable colleague in thestudy of Canada
Keywords:
Arabis codyi, Phacelia mollis, Ranunculus codyanus, Saxifraga bronchialis codyana, Saxifraga codyana
2009-07-04
Conservation of structure and activity in Plasmodium purine nucleoside phosphorylases
BMC Structural Biology - Latest articles
Background:Purine nucleoside phosphorylase (PNP) is central to purine salvage mechanisms in Plasmodium parasites, the causative agents of malaria. Most human malaria results from infection either by Plasmodium falciparum (Pf), the deadliest form of the parasite, or by the widespread Plasmodium vivax (Pv). Whereas the PNP enzyme from Pf has previously been studied in detail, despite the prevalence of Pv little is known about many of the key metabolic enzymes from this parasite, including PvPNP.Results:The crystal structure of PvPNP is described and is seen to have many features in common with the previously reported structure of PfPNP. In particular, the composition and conformations of the active site regions are virtually identical. The crystal structure of a complex of PfPNP co-crystallised with inosine and arsenate is also described, and is found to contain a mixture of products and reactants - hypoxanthine, ribose and arsenate. The ribose C1' in this hybrid complex lies close to the expected point of symmetry along the PNP reaction coordinate, consistent with a conformation between the transition and product states. These two Plasmodium PNP structures confirm the similarity of structure and mechanism of these enzymes, which are also confirmed in enzyme kinetic assays using an array of substrates. These reveal an unusual form of substrate activation by 2' -deoxyinosine of PvPNP, but not PfPNP.Conclusions:The close similarity of the Pf and Pv PNP structures allows characteristic features to be identified that differentiate the Apicomplexa PNPs from the human host enzyme. This similarity also suggests there should be a high level of cross-reactivity for compounds designed to inhibit either of these molecular targets. However, despite these similarities, there are also small differences in the activities of the two Plasmodium enzymes.
Keywords:
Plasmodium falciparum, Plasmodium vivax
2009-07-04
A comparative, randomized clinical trial of artemisinin/naphtoquine twice daily one day versus artemether/lumefantrine six doses regimen in children and adults with uncomplicated falciparum malaria in Cote d'Ivoire
Malaria Journal - Latest articles
Background:Drug resistance in Plasmodium falciparum poses a major threat to malaria control. Combination anti-malarial therapy, including artemisinins, has been advocated to improve efficacy and limit the spread of resistance. The fixed combination of oral artemether-lumefantrine (AL) is highly effective and well-tolerated. Artemisinin/naphtoquine (AN) is a fixed-dose ACT that has recently become available in Africa. The objectives of the study were to compare the efficacy and safety of AN and AL for the treatment of uncomplicated falciparum malaria in a high transmission-intensity site in Ivory Coast.Methods:122 participants aged six months or more, with uncomplicated falciparum malaria, were enrolled in the study. Participants were randomized to receive either artemisinin/naphtoquine or artemether/lumefantrine with variable dose according to their weight. Primary endpoints were the risks of treatment failure within 28 days, either unadjusted or adjusted by genotyping to distinguish recrudescence from new infection.Results:Among 125 participants enrolled, 123 (98.4%) completed follow-up. Clinical evaluation of the 123 participants showed that cumulative PCR-uncorrected cure rate on day 28 was 100% for artemisinin/naphtoquine and 98.4% for artemether/lumefantrine. Both artemisinin-based combinations effected rapid fever and parasite clearanceConclusions:These data suggest that AN could prove to be suitable for use as combination anti-malarial therapy. Meanwhile, pharmacokinetic studies and further efficacy assessment should be conducted before its widespread use can be supported.
Keywords:
Plasmodium falciparum
2009-07-04
A Test and Review of the Role of Effective Population Size on Experimental Sexual Selection Patterns
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1923-1933, July 2009.
Keywords:
Caenorhabditis elegans, Callosobruchus maculatus, Drosophila melanogaster, Drosophila persimilis, Drosophila pseudoobscura, Drosophila pseudoobscura impacts, Escherichia coli, Rhizoglyphus robini
2009-07-04
Assortment and the Evolution of Generalized Reciprocity
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1913-1922, July 2009.
Keywords:
Rattus norvegicus
2009-07-04
Adaptive Population Divergence in Cryptic Color-Pattern Following a Reduction in Gene Flow
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1902-1912, July 2009.
Keywords:
Coregonus clupeaformis, Idotea baltica, Neochlamisus bebbianae, Timema cristinae
2009-07-04
The Cost of Being Common: Evidence from Natural Daphnia Populations
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1893-1901, July 2009.
Keywords:
Arabis holboellii, Linum marginale, Melanoides tuberculata, Potamopyrgus antipodarum
2009-07-04
Adaptive Dynamics of Dormancy Duration Variability: Evolutionary Trade-Off and Priority Effect Lead to Suboptimal Adaptation
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1879-1892, July 2009.
Keywords:
Balaninus elephas, Curculio elephas, Daphnia pulicaria, Lepidium lasiocarpum, Perdita portalis
2009-07-04
Population Dynamics Determine Genetic Adaptation to Temperature in Daphnia
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1867-1878, July 2009.
Keywords:
Daphnia magna, Drosophila melanogaster, Escherichia coli, Fumana thymifolia, Lycaena tityrus, Simocephalus vetulus
2009-07-04
Extensive Variation in Natural Competence in Haemophilus influenzae
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1852-1866, July 2009.
Keywords:
Actinobacillus actinomycetemcomitans, Bacillus subtilis, Escherichia coli, Haemophilus haemolyticus, Haemophilus influenzae, Haemophilus influenzae core, Haemophilus parainfluenzae, Neisseria meningitidis, Pseudomonas aeruginosa, Pseudomonas stutzeri, Ralstonia solanacearum, Staphylococcus aureus, Streptococcus pneumoniae
2009-07-04
Differential Dominance of Pleiotropic Loci for Mouse Skeletal Traits
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1845-1851, July 2009.
Keywords:
Drosophila melanogaster, Drosophila pseudoobscura
2009-07-04
Heritability and Genetic Correlation of Corolla Shape and Size in Erysimum mediohispanicum
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1820-1831, July 2009.
Keywords:
Arabidopsis thaliana, Drosophila melanogaster, Drosophila subobscura, Eichhornia paniculata, Erysimum mediohispanicum, Fragaria virginiana, Heterosperma pinnatum, Impatiens pallida, Nicotiana alata, Polemonium viscosum, Raphanus raphanistrum, Raphanus sativus, Saxifraga granulata, Silene latifolia, Solanum carolinense, Trachemys scripta
2009-07-04
Is Inbreeding Depression Lower in Maladapted Populations? A Quantitative Genetics Model
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1807-1819, July 2009.
Keywords:
Anchusa crispa, Arianta arbustorum, Brassica rapa, Calylophus serrulatus, Daphnia magna, Decodon verticillatus, Digitalis purpurea, Drosophila melanogaster, Escherichia coli, Ipomopsis aggregata, Lobelia cardinalis, Lobelia siphilitica, Lotus scoparius, Mercurialis annua, Mimulus guttatus, Physa acuta, Pinus taeda, Sabatia angularis
2009-07-04
Indirect Genetic Effects Influence Antipredator Behavior in Guppies: Estimates of the Coefficient of Interaction Psi and the Inheritance of Reciprocity
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1796-1806, July 2009.
Keywords:
Poecilia reticulata
2009-07-04
How to Measure Indirect Genetic Effects: The Congruence of Trait-Based and Variance-Partitioning Approaches
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1785-1795, July 2009.
Keywords:
Devo melanogaster, Sus scrofa
2009-07-04
Can Parallel Diversification Occur in Sympatry? Repeated Patterns of Body-Size Evolution in Coexisting Clades of North American Salamanders
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1769-1784, July 2009.
Keywords:
Aneides flavipunctatus, Desmognathus quadramaculatus, Desmognathus wrighti, Eurycea bislineata, Eurycea multiplicata, Eurycea wilderae, Gyrinophilus porphyriticus, Plethodon cinereus, Plethodon glutinosus, Plethodon jordani, Plethodon shenandoah, Plethodon shermani
2009-07-04
From Clonal to Sexual Hybrids: Genetic Recombination Via Triploids in All-Hybrid Populations of Water Frogs
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1754-1768, July 2009.
Keywords:
Bufo viridis, Daphnia pulex, Escherichia coli, Hyla versicolor, Pelophylax esculentus, Pinus densata, Pleurochaete squarrosa, Puccinia triticina, Rana esculenta, Rana lessonae, Rana ridibunda, Rutilus alburnoides, Senecio squalidus, Squalius alburnoides, Tropidophoxinellus alburnoides
2009-07-04
Variable Progress Toward Ecological Speciation in Parapatry: Stickleback Across Eight Lake-Stream Transitions
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1740-1753, July 2009.
Keywords:
Cyprinus carpio, Eucalyptus globulus, Gasterosteus aculeatus, Littorina saxatilis
2009-07-04
Postzygotic Isolation Over Multiple Generations of Hybrid Descendents in a Natural Hybrid Zone: How Well Do Single-Generation Estimates Reflect Reproductive Isolation?
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1731-1739, July 2009.
Keywords:
Chamaecrista fasciculata, Drosophila persimilis, Drosophila pseudoobscura, Ficedula albicollis, Ficedula hypoleuca, Gasterosteus aculeatus, Hirschfeldia incana, Schistosoma intercalatum
2009-07-04
Genetics of Incipient Speciation in Drosophila mojavensis: II. Host Plants and Mating Status Influence Cuticular Hydrocarbon QTL Expression and G × E Interactions
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1712-1730, July 2009.
Keywords:
Aedes aegypti, Anopheles gambiae, Catharus ustulatus, Drosophila arizonae, Drosophila littoralis, Drosophila mauritiana, Drosophila melanogaster, Drosophila mojavensis, Drosophila pseudoobscura, Drosophila sechellia, Drosophila simulans, Drosophila virilis, Heliothis subflexa, Heliothis virescens, Neochlamisus bebbianae
2009-07-04
A Test of the Critical Assumption of the Sensory Bias Model for the Evolution of Female Mating Preference Using Neural Networks
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1697-1711, July 2009.
Keywords:
Drosophila melanogaster, Etheostoma virgatum, Fundulus heteroclitus, Lucania goodei, Neumania papillator, Physalaemus pustulosus, Poecilia reticulata, Schizocosa wolf, Serinus canaria, Uca tangeri
2009-07-04
Genes with Social Effects are Expected to Harbor More Sequence Variation within and Between Species
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1685-1696, July 2009.
Keywords:
Apis mellifera, Arabidopsis thaliana, Eciton burchellii, Hodotermopsis japonica, Pogonomyrmex badius, Pogonomyrmex pima
2009-07-04
On the Opportunity for Sexual Selection, the Bateman Gradient and the Maximum Intensity of Sexual Selection
BioOne: Evolution: Table of Contents
Evolution, Volume 63, Issue 7, Page 1673-1684, July 2009.
Keywords:
Syngnathus typhle, Taricha granulosa, Xiphophorus helleri
2009-07-04
Sequence diversity in three tomato species: SNPs, markers, and molecular evolution
BMC Plant Biology - Latest articles
Background:Tomato species are of significant agricultural and ecological interest, with cultivated tomato being among the most common vegetable crops grown. Wild tomato species are native to diverse habitats in South America and show great morphological and ecological diversity that has proven useful in breeding programs. However, relatively little is known about nucleotide diversity between tomato species. Until recently limited sequence information was available for tomato, preventing genome-wide evolutionary analyses. Now, an extensive collection of tomato expressed sequence tags (ESTs) is available at the SOL Genomics Network (SGN). This database holds sequences from several species, annotated with quality values, assembled into unigenes, and tested for homology against other genomes. Despite the importance of polymorphism detection for breeding and natural variation studies, such analyses in tomato have mostly been restricted to cultivated accessions. Importantly, previous polymorphisms surveys mostly ignored the linked meta-information, limiting functional and evolutionary analyses. The current data in SGN is thus an under-exploited resource. Here we describe a cross-species analysis taking full-advantage of available information.Results:We mined 20,000 interspecific polymorphisms between Solanum lycopersicum and S. habrochaites or S. pennellii and 28,800 intraspecific polymorphisms within S. lycopersicum. Using the available meta-information we classified genes into functional categories and obtained estimations of single nucleotide polymorphisms (SNP) quality, position in the gene, and effect on the encoded proteins, allowing us to perform evolutionary analyses. Finally, we developed a set of more than 10,000 between-species molecular markers optimized by sequence quality and predicted intron position. Experimental validation of 491 of these molecular markers resulted in confirmation of 413 polymorphisms.Conclusions:We present a new analysis of the extensive tomato EST sequences available that represents the most comprehensive survey of sequence diversity across Solanum species to date. These SNPs, plus thousands of molecular makers designed to detect the polymorphisms are available to the community via a website. Evolutionary analyses on these polymorphism uncovered sets of genes potentially important for the evolution and domestication of tomato; interestingly these sets were enriched for genes involved in response to the environment.
Keywords:
Solanum habrochaites, Solanum lycopersicum, Solanum pennellii
2009-07-04
Evidence for the Recent Disappearance of the Okinawan Tree Frog Rhacophorus viridis on Yoronjima Island of the Ryukyu Archipelago, Japan
BioOne: Current Herpetology: Table of Contents
Current Herpetology, Volume 28, Issue 1, Page 29-33, June 2009.
Keywords:
Buergeria japonica, Bufo marinus, Dinodon rufozonatum walli, Dolichophis jugularis, Goniurosaurus luii, Hyla hallowellii, Microhyla okinavensis, Microhyla ornata, Rhacophorus viridis
2009-07-04
The First Specimen of Karsenia koreana (Caudata: Plethodontidae) Collected 34 Years before Its Description
BioOne: Current Herpetology: Table of Contents
Current Herpetology, Volume 28, Issue 1, Page 27-28, June 2009.
Keywords:
Bufo marinus, Dinodon rufozonatum walli, Dolichophis jugularis, Goniurosaurus luii, Karsenia koreana
2009-07-04
Temporal and Spatial Effects of Predator Chemical and Visual Cues on the Behavioral Responses of Rana japonica Tadpoles
BioOne: Current Herpetology: Table of Contents
Current Herpetology, Volume 28, Issue 1, Page 19-25, June 2009.
Keywords:
Anax imperator, Anax junius, Anax parthenope, Bufo americanus, Bufo marinus, Bufo viridis, Dinodon rufozonatum walli, Dolichophis jugularis, Esox lucius, Eurycea multiplicata griseogaster, Goniurosaurus luii, Hyla japonica, Notophthalmus viridescens, Phyllomedusa tarsius, Rana japonica, Rana japonica tadpole, Rana sylvatica, Rana utricularia
2009-07-04
Long Bone Histology and Skeletochronology in a Tropical Indian Lizard, Sitana ponticeriana (Sauria: Agamidae)
BioOne: Current Herpetology: Table of Contents
Current Herpetology, Volume 28, Issue 1, Page 13-18, June 2009.
Keywords:
Bufo marinus, Calotes versicolor, Cophosaurus texanus, Dinodon rufozonatum walli, Dolichophis jugularis, Goniurosaurus luii, Iguana iguana, Lacerta muralis, Lacerta vivipara, Laudakia stoliczkana, Psammophilus dorsalis, Pseudemys scripta troostii, Rana nigrovittata, Sceloporus undulatus, Sitana ponticeriana, Testudo graeca, Testudo hermanni
2009-07-04
PCR Primers for the Neobatrachian Mitochondrial Genome
BioOne: Current Herpetology: Table of Contents
Current Herpetology, Volume 28, Issue 1, Page 1-11, June 2009.
Keywords:
Amolops tormotus, Buergeria buergeri, Bufo marinus, Dinodon rufozonatum walli, Dolichophis jugularis, Fejervarya cancrivora, Fejervarya limnocharis, Goniurosaurus luii, Hydra magnipapillata, Hyperolius viridiflavus, Mantella madagascariensis, Rana cancrivora, Rana limnocharis, Rana nigromaculata, Ranodon sibiricus, Rhacophorus schlegelii, Trichobatrachus robustus
2009-07-04
Does learning produce song conformity or novelty in white-crowned sparrows, Zonotrichia leucophrys?
ScienceDirect Publication: Animal Behaviour
Publication year: 2009
Source:
Animal Behaviour, In Press, Corrected Proof, Available online 3 July 2009
Douglas A., Nelson , Angelika, Poesel
Song learning in birds makes it possible for males to faithfully imitate tutors and also to generate novel improvisations. Within local dialects of the Puget Sound white-crowned sparrow, most males share the terminal trill phrase in their songs. In contrast, the introductory note complex is more variable within local populations and appears to encode individual identity. We studied the song-learning process during initial territory establishment in a wild population of white-crowned sparrows. Although most adult males sing a single song type, many yearling males overproduce song types early in their first singing season before deleting all but one song type...
Keywords:
Ammophila arenaria, Fringilla coelebs, Melospiza georgiana, Melospiza melodia, Parus major, Pinus contorta, Spizella passerina, Spizella pusilla, Thryothorus pleurostictus, Zonotrichia leucophrys, Zonotrichia leucophrys nuttalli, Zonotrichia leucophrys pugetensis
Top 10 Species
1)
Escherichia coli
2)
Arabidopsis thaliana
3)
Drosophila melanogaster
4)
Saccharomyces cerevisiae
5)
Homo sapiens
6)
Caenorhabditis elegans
7)
Zea mays
8)
Pseudomonas aeruginosa
9)
Glycine max
10)
Oryza sativa