19 Works

Data from: Trait specific consequences of inbreeding on adaptive phenotypic plasticity

Mads F. Schou, Torsten N. Kristensen & Volker Loeschcke
Environmental changes may stress organisms and stimulate an adaptive phenotypic response. Effects of inbreeding often interact with the environment and can decrease fitness of inbred individuals exposed to stress more so than that of outbred individuals. Such an interaction may stem from a reduced ability of inbred individuals to respond plastically to environmental stress; however, this hypothesis has rarely been tested. In this study, we mimicked the genetic constitution of natural inbred populations by rearing...

Data from: Genome-wide signatures of local selection in the panmictic European eel

Jose Martin Pujolar, Magnus W. Jacobsen, Thomas D. Als, Jane Frydenberg, Kasper Munch, Bjarni Jónsson, Jianbo B. Jian, Ling Cheng, Gregory E. Maes, Louis Bernatchez & Michael M. Hansen
Next-generation sequencing and the collection of genome-wide data allow identifying adaptive variation and footprints of directional selection. Using a large SNP data set from 259 RAD-sequenced European eel individuals (glass eels) from eight locations between 34 and 64oN, we examined the patterns of genome-wide genetic diversity across locations. We tested for local selection by searching for increased population differentiation using FST-based outlier tests and by testing for significant associations between allele frequencies and environmental variables....

Data from: Re-visiting the phylogeography and demography of European badgers (Meles meles) based on broad sampling, multiple markers and simulations

Alain C. Frantz, Allan D. McDevitt, Lisa C. Pope, Joanna Kochan, John Davison, Chris F. Clements, Morten Elmeros, Guillem Molina-Vacas, Aritz Ruiz-Gonzalez, Alessandro Balestrieri, Koen Van Den Berge, Peter Breyne, Emmanuel Do Linh San, Erik O. Ågren, Franz Suchentrunk, Laurent Schley, Rafał Kowalczyk, Berit I. Kostka, Dusko Ćirović, Nikica Šprem, Marc Colyn, Marco Ghirardi, Venislava Racheva, Christophe Braun, Rita Oliveira … & Terry Burke
Although the phylogeography of European mammals has been extensively investigated since the 1990s, many studies were limited in terms of sampling distribution, the number of molecular markers used and the analytical techniques employed, frequently leading to incomplete postglacial recolonisation scenarios. The broad-scale genetic structure of the European badger (Meles meles) is of interest as it may result from historic restriction to glacial refugia and/or recent anthropogenic impact. However, previous studies were based mostly on samples...

Data from: Congruent signals of population history but radically different patterns of genetic diversity between mitochondrial and nuclear markers in a mountain lizard

Anne-Laure Ferchaud, Rémy Eudeline, Véronique Arnal, Marc Cheylan, Gilles Pottier, Raphaël Leblois & Pierre-Andre Crochet
Historical factors, current population size, population connectivity and selective processes at linked loci contribute to shaping contemporary patterns of neutral genetic diversity. It is now widely acknowledged that nuclear and mitochondrial markers react differently to current demography as well as to past history, so the use of both types of markers is often advocated to gain insight on both historical and contemporary processes. We used 12 microsatellite loci genotyped in 13 populations of a mountain...

Data from: Efficacy of psychosocial interventions for psychological and pregnancy outcomes in infertile women and men: a systematic review and meta-analysis

Yoon Frederiksen, Ingeborg Farver-Vestergaard, Ninna Skovgård, Hans Jakob Ingerslev & Robert Zachariae
Objective: To evaluate the evidence on the efficacy of psychosocial interventions for improving pregnancy rates and reducing distress for couples in treatment with assisted reproductive technology (ART). Design: Systematic review and meta-analysis. Data sources PsycINFO, PubMed, Embase, CINAHL, Web of Science and The Cochrane Library between 1978 and April 2014. Study selection Studies were considered eligible if they evaluated the effect of any psychosocial intervention on clinical pregnancy and/or distress in infertile participants, used a...

Data from: Environmental monitoring through protist NGS metabarcoding: assessing the impact of fish farming on benthic foraminifera communities

Jan Pawlowski, Philippe Esling, Franck Lejzerowicz, Tomas Cedhagen, Tom Wilding & Thomas A. Wilding
The measurement of species diversity represents a powerful tool for assessing the impacts of human activities on marine ecosystems. Traditionally, the impact of fish farming on the coastal environment is evaluated by monitoring the dynamics of macrobenthic infaunal populations. However, taxonomic sorting and morphology-based identification of the macrobenthos demands highly trained specialists and is extremely time-consuming and costly, what makes it unsuitable for large-scale biomonitoring efforts involving numerous samples. Here, we propose to alleviate this...

Data from: RAD sequencing, genotyping error estimation and de novo assembly optimization for population genetic inference

Alicia Mastretta-Yanes, Nils Arrigo, Nadir Alvarez, Tove H. Jorgensen, Daniel Piñero & Brent C. Emerson
Restriction site-associated DNA sequencing (RADseq) provides researchers with the ability to record genetic polymorphism across thousands of loci for non-model organisms, potentially revolutionising the field of molecular ecology. However, as with other genotyping methods, RADseq is prone to a number of sources of error that may have consequential effects for population genetic inferences, and these have received only limited attention in terms of the estimation and reporting of genotyping error rates. Here we use individual...

Data from: A strong response to selection on mass-independent maximal metabolic rate without a correlated response in basal metabolic rate

Bernard W. M. Wone, Per Madsen, Edward R. Donovan, Marta K. Labocha, Michael W. Sears, Cynthia J. Downs, Daniel A. Sorensen & Jack P. Hayes
Metabolic rates are correlated with many aspects of ecology, but how selection on different aspects of metabolic rates affects their mutual evolution is poorly understood. Using laboratory mice, we artificially selected for high maximal mass-independent metabolic rate (MMR) without direct selection on mass-independent basal metabolic rate (BMR). Then we tested for responses to selection in MMR and correlated responses to selection in BMR. In other lines, we antagonistically selected for mice with a combination of...

Data from: A Drosophila laboratory evolution experiment points to low evolutionary potential under increased temperatures likely to be experienced in the future

Mads F. Schou, Torsten N. Kristensen, Vanessa Kellermann, Christian Schlötterer & Volker Loeschcke
The ability to respond evolutionarily to increasing temperatures is important for survival of ectotherms in a changing climate. Recent studies suggest that upper thermal limits may be evolutionary constrained. We address this hypothesis in a laboratory evolution experiment, encompassing ecologically relevant thermal regimes. To examine the potential for species to respond to climate change, we exposed replicate populations of Drosophila melanogaster to increasing temperatures (0.3 °C every generation) for 20 generations, whereas corresponding replicate control...

Data from: Genomic footprints of speciation in Atlantic eels (Anguilla anguilla and A. rostrata)

Magnus W. Jacobsen, Jose Martin Pujolar, Louis Bernatchez, Kasper Munch, Jianbo Jian, Yongchao Niu & Michael M. Hansen
The importance of speciation-with-gene-flow scenarios is increasingly appreciated. However, the specific processes and the resulting genomic footprints of selection are subject to much discussion. We studied the genomics of speciation between the two panmictic, sympatrically spawning sister-species; European (Anguilla anguilla) and American eel (A. rostrata). Divergence is assumed to have initiated more than 3 million years ago, and although low gene flow still occurs strong postzygotic barriers are present. Restriction-site Associated DNA (RAD) sequencing identified...

Data from: Predictability rather than amplitude of temperature fluctuations determines stress resistance in a natural population of Drosophila simulans

Tommaso Manenti, Jesper G. Sørensen, Neda N. Moghadam & Volker Loeschcke
The adaptability of organisms to novel environmental conditions depends on the amount of genetic variance present in the population as well as on the ability of individuals to adjust their phenotype through phenotypic plasticity. Here, we investigated the phenotypic plasticity induced by a single generation's exposure to three different temperature regimes with respect to several life-history and stress-resistance traits in a natural population of Drosophila simulans. We studied a constant as well as a predictably...

Data from: Complementarity of statistical treatments to reconstruct worldwide routes of invasion: the case of the Asian ladybird Harmonia axyridis

Eric Lombaert, Thomas Guillemaud, Jonathan Lundgren, Robert Koch, Benoît Facon, Audrey Grez, Antoon Loomans, Thibaut Malausa, Oldrich Nedved, Emma Rhule, Arnstein Staverlokk, Tove Steenberg & Arnaud Estoup
Inferences about introduction histories of invasive species remain challenging because of the stochastic demographic processes involved. Approximate Bayesian computation (ABC) can help to overcome these problems, but such method requires a prior understanding of population structure over the study area, necessitating the use of alternative methods and an intense sampling design. In this study, we made inferences about the worldwide invasion history of the ladybird Harmonia axyridis by various population genetics statistical methods, using a...

Data from: Pervasive early 21st-century vegetation changes across Danish semi-natural ecosystems – more losers than winners and a shift towards competitive, tall-growing species

Allan Timmermann, Christian Damgaard, Morten T. Strandberg & Jens-Christian Svenning
1. Semi-natural open habitats in northwestern Europe are highly prioritized for conservation and optimization of management planning is essential for continued protection of their diversity. We evaluate whether current management practices, which consist mainly of summer grazing by livestock, are sufficient to maintain plant species composition in a stable state across semi-natural areas in Denmark, or if shifts in functional composition are taking place. Further, we investigate important drivers of any on-going changes through trait...

Data from: The effects of Medieval dams on genetic divergence and demographic history in brown trout populations

Michael M. Hansen, Morten T. Limborg, Anne-Laure Ferchaud & Jose-Martin Pujolar
Background: Habitat fragmentation has accelerated within the last century, but may have been ongoing over longer time scales. We analyzed the timing and genetic consequences of fragmentation in two isolated lake-dwelling brown trout populations. They are from the same river system (the Gudenå River, Denmark) and have been isolated from downstream anadromous trout by dams established ca. 600-800 years ago. For reference, we included ten other anadromous populations and two hatchery strains. Based on analysis...

Data from: Establishing macroecological trait datasets: digitalization, extrapolation, and validation of diet preferences in terrestrial mammals worldwide

Wilm Daniel Kissling, Lars Dalby, Camilla Fløjgaard, Jonathan Lenoir, Brody Sandel, Christopher Sandom, Kristian Trøjelsgaard, Jens-Christian Svenning & Jens-Christian Svenning
Ecological trait data are essential for understanding the broad-scale distribution of biodiversity and its response to global change. For animals, diet represents a fundamental aspect of species’ evolutionary adaptations, ecological and functional roles, and trophic interactions. However, the importance of diet for macroevolutionary and macroecological dynamics remains little explored, partly because of the lack of comprehensive trait datasets. We compiled and evaluated a comprehensive global dataset of diet preferences of mammals (“MammalDIET”). Diet information was...

Data from: Geographical variation in mutualistic networks: similarity, turnover and partner fidelity

Kristian Trøjelsgaard, Pedro Jordano, Daniel W. Carstensen, Jens M. Olesen & K. Trojelsgaard
Although species and their interactions in unison represent biodiversity and all the ecological and evolutionary processes associated with life, biotic interactions have, contrary to species, rarely been integrated into the concepts of spatial β-diversity. Here, we examine β-diversity of ecological networks by using pollination networks sampled across the Canary Islands. We show that adjacent and distant communities are more and less similar, respectively, in their composition of plants, pollinators and interactions than expected from random...

Data from: Genome- and transcriptome-assisted development of nuclear insertion/deletion markers for Calanus species (Copepoda: Calanoida) identification

Irina Smolina, Spyros Kollias, Marloes Poortvliet, Torkel Nielsen, Penelope Lindeque, Claudia Castellani, Eva Møller, Leocadio Blanco-Bercial & Galice Hoarau
Copepods of the genus Calanus are key zooplankton species in temperate to arctic marine ecosystems. Despite their ecological importance, species identification remains challenging. Furthermore, the recent report of hybrids among Calanus species highlights the need for diagnostic nuclear markers in order to efficiently identify parental species and hybrids. Using Next Generation Sequencing analysis of both the genome and transcriptome from two sibling species, C. finmarchichus and C. glacialis, we developed a panel of 12 nuclear...

Data from: Do North Atlantic Eels show parallel patterns of spatially varying selection?

Malene G. Ulrik, José Martín Pujolar, Anne-Laure Ferchaud, Magnus W. Jacobsen, Thomas D. Als, Pierre Alexandre Gagnaire, Jane Frydenberg, Peder K. Bøcher, Bjarni Jónsson, Louis Bernatchez & Michael M. Hansen
Background: The two North Atlantic eel species, the European and the American eel, represent an ideal system in which to study parallel selection patterns due to their sister species status and the presence of ongoing gene flow. A panel of 80 coding-gene SNPs previously analyzed in American eel was used to genotype European eel individuals (glass eels) from 8 sampling locations across the species distribution. We tested for single-generation signatures of spatially varying selection in...

Data from: Cooperative breeding favours maternal investment in size over number of eggs in spiders

Lena Grinsted, Casper Johannes Breuker & Trine Bilde
The transition to cooperative breeding may alter maternal investment strategies depending on density of breeders, extent of reproductive skew and allo-maternal care. Change in optimal investment from solitary to cooperative breeding can be investigated by comparing social species with non-social congeners. We tested two hypotheses in a mainly semelparous system: that social, cooperative breeders, compared to subsocial, solitarily breeding congeners, 1) lay fewer and larger eggs because larger offspring compete better for limited resources and...

Registration Year

  • 2014
    19

Resource Types

  • Dataset
    19

Affiliations

  • Aarhus University
    19
  • Technical University of Denmark
    3
  • Université Laval
    3
  • University of Veterinary Medicine Vienna
    2
  • French National Centre for Scientific Research
    2
  • Beijing Genomics Institute
    2
  • Aalborg University
    2
  • University of Montpellier
    2
  • University of the Basque Country
    1
  • Estación Biológica de Doñana
    1