31 Works

Data from: Spatially varying selection shapes life history clines among populations of Drosophila melanogaster from sub-Saharan Africa

Daniel K. Fabian, Justin B. Lack, Vinayak Mathur, Christian Schlötterer, Paul S. Schmidt, John E. Pool & Thomas Flatt
Clines in life history traits, presumably driven by spatially varying selection, are widespread. Major latitudinal clines have been observed, for example, in Drosophila melanogaster, an ancestrally tropical insect from Africa that has colonized temperate habitats on multiple continents. Yet, how geographic factors other than latitude, such as altitude or longitude, affect life history in this species remains poorly understood. Moreover, most previous work has been performed on derived European, American and Australian populations, but whether...

Data from: Low reproductive isolation and highly variable levels of gene flow reveal limited progress toward speciation between European river and brook lampreys

Quentin Rougemont, Arnaud Gaigher, Emilien Lasne, Jessica Côte, Maïra Coke, Anne-Laure Besnard, Sophie Launey & Guillaume Evanno
Ecologically based divergent selection is a factor that could drive reproductive isolation even in the presence of gene flow. Population pairs arrayed along a continuum of divergence provide a good opportunity to address this issue. Here we used a combination of mating trials, experimental crosses and population genetics analyses to investigate the evolution of reproductive isolation between two closely related species of lampreys with distinct life histories. We used microsatellite markers to genotype over 1000...

Data from: Testing local adaptation in a natural great tit-malaria system: an experimental approach

Tania Jenkins, Jessica Delhaye & Philippe Christe
Finding out whether Plasmodium spp. are coevolving with their vertebrate hosts is of both theoretical and applied interest and can influence our understanding of the effects and dynamics of malaria infection. In this study, we tested for local adaptation as a signature of coevolution between malaria blood parasites, Plasmodium spp. and its host, the great tit, Parus major. We conducted a reciprocal transplant experiment of birds in the field, where we exposed birds from two...

Data from: Selection on a genetic polymorphism counteracts ecological speciation in a stick insect

Aaron A. Comeault, Samuel M. Flaxman, Rüdiger Riesch, Emma Curran, Víctor Soria-Carrasco, Zachariah Gompert, Timothy E. Farkas, Moritz Muschick, Thomas L. Parchman, Tanja Schwander, Jon Slate & Patrik Nosil
The interplay between selection and aspects of the genetic architecture of traits (such as linkage, dominance, and epistasis) can either drive or constrain speciation. Despite accumulating evidence that speciation can progress to “intermediate” stages—with populations evolving only partial reproductive isolation—studies describing selective mechanisms that impose constraints on speciation are more rare than those describing drivers. The stick insect Timema cristinae provides an example of a system in which partial reproductive isolation has evolved between populations...

Data from: Ecological strategies in stable and disturbed environments depend on species specialisation

Lucie Büchi & Séverine Vuilleumier
Ecological strategies are integral to understanding species survival in different environments. However, how habitat specialisation is involved in such strategies is not fully understood, particularly in heterogeneous and disturbed environments. Here, we studied the trait associations between specialisation, dispersal ability, competitiveness, reproductive investment and survival rate in a spatially explicit metacommunity model under various disturbance rates. Though no unique trait values were associated with specialisation, relationships were uncovered depending on environmental factors. We found strong...

Data from: Stable eusociality via maternal manipulation when resistance is costless

Mauricio González-Forero
In many eusocial species, queens use pheromones to influence offspring to express worker phenotypes. While evidence suggests that queen pheromones are honest signals of the queen's reproductive health, here I show that queen's honest signaling can result from ancestral maternal manipulation. I develop a mathematical model to study the coevolution of maternal manipulation, offspring resistance to manipulation, and maternal resource allocation. I assume that (1) maternal manipulation causes offspring to be workers against offspring's interests;...

Data from: Genetic consequences of population expansions and contractions in the common hippopotamus (Hippopotamus amphibius) since the Late Pleistocene

Céline Stoffel, Christophe Dufresnes, John B. A. Okello, Christian Noirard, Pierre Joly, Silvester Nyakaana, Vincent B. Muwanika, Nicolas Alcala, Séverine Vuilleumier, Hans R. Siegismund & Luca Fumagalli
Over the past two decades, an increasing amount of phylogeographic work has substantially improved our understanding of African biogeography, in particular the role played by Pleistocene pluvial–drought cycles on terrestrial vertebrates. However, still little is known on the evolutionary history of semi-aquatic animals, which faced tremendous challenges imposed by unpredictable availability of water resources. In this study, we investigate the Late Pleistocene history of the common hippopotamus (Hippopotamus amphibius), using mitochondrial and nuclear DNA sequence...

Data from: Inferring the mode of origin of polyploid species from next-generation sequence data

Camille Roux & John R. Pannell
Many eucaryote organisms are polyploid. However, despite their importance, evolutionary inference of polyploid origins and modes of inheritance has been limited by a need for analyses of allele segregation at multiple loci using crosses. The increasing availability of sequence data for non-model species now allows the application of established approaches for the analysis of genomic data in polyploids. Here, we ask whether approximate Bayesian computation (ABC), applied to realistic traditional and next-generation sequence data, allows...

Data from: Ejaculate characteristics depend on social environment in the horse (Equus caballus)

Dominik Burger, Guillaume Dolivo & Claus Wedekind
Sperm competition theory predicts semen characteristics to be affected by the social environment. We used the polygamous horse (Equus caballus) to experimentally study within-subject plasticity in response to different social environments. Stallions were sequentially exposed, over a period of 8 weeks each, to other stallions and then singly to mares, or vice versa (in adjacent boxes separated by grills). Ejaculates were collected to determine semen characteristics. Highest sperm numbers were found in stallions that were...

Data from: Double brooding and offspring desertion in the barn owl (Tyto alba)

Paul Béziers & Alexandre Roulin
Many bird species produce two annual broods during a single breeding season. However, not all individuals reproduce twice in the same year suggesting that double brooding is condition-dependent. In contrast to most raptors and owls, the barn owl Tyto alba produces two annual clutches in most worldwide distributed populations. Nevertheless, the determinants of double brooding are still poorly studied. We performed such a study in a Swiss barn owl population monitored between 1990 and 2014....

Data from: Experts’ consensus on use of electronic cigarettes: a Delphi survey from Switzerland

Jeremie Blaser & Jacques Cornuz
Objectives: In some countries, nicotine-containing electronic cigarettes (e-cigarettes) are considered a consumer product without specific regulations. In others (eg, Switzerland), the sale of e-cigarettes containing nicotine is forbidden, despite the eagerness of many smokers to obtain them. As scientific data about efficacy and long-term safety of these products are scarce, tobacco control experts are divided on how to regulate them. In order to gain consensus among experts to provide recommendations to health authorities, we performed...

Data from: Asymmetrical nature of the Trollius-Chiastocheta interaction: insights into the evolution of nursery pollination systems

Tomasz Suchan, Mélanie Beauverd, Naïké Trim & Nadir Alvarez
The mutualistic versus antagonistic nature of an interaction is defined by costs and benefits of each partner, which may vary depending on the environment. Contrasting with this dynamic view, several pollination interactions are considered as strictly obligate and mutualistic. Here, we focus on the interaction between Trollius europaeus and Chiastocheta flies, considered as a specialized and obligate nursery pollination system – the flies are thought to be exclusive pollinators of the plant and their larvae...

Data from: The role of geography and ecology in shaping repeated patterns of morphological and genetic differentiation between European minnows (Phoxinus phoxinus) from the Pyrenees and the Alps

Hélène Collin & Luca Fumagalli
Neutral and selective processes can drive repeated patterns of evolution in different groups of populations experiencing similar ecological gradients. In this paper, we used a combination of nuclear and mitochondrial DNA markers, as well as geometric morphometrics, to investigate repeated patterns of morphological and genetic divergence of European minnows in two mountain ranges: the Pyrenees and the Alps. European minnows (Phoxinus phoxinus) are cyprinid fish inhabiting most freshwater bodies in Europe, including those in different...

Data from: Female MHC type affects male testosterone levels and sperm number in the horse (Equus caballus)

Dominik Burger, Guillaume Dolivo, Eliane Marti, Harald Sieme & Claus Wedekind
Odours of vertebrates often contain information about the major histocompatibility complex (MHC), and are used in kin recognition, mate choice or female investment in pregnancy. It is, however, still unclear whether MHC-linked signals can also affect male reproductive strategies. We used horses (Equus caballus) to study this question under experimental conditions. Twelve stallions were individually exposed either to an unfamiliar MHC-similar mare and then to an unfamiliar MHC-dissimilar mare, or vice versa. Each exposure lasted...

Data from: Co-evolutionary dynamics between public good producers and cheats in the bacterium Pseudomonas aeruginosa

Rolf Kümmerli, Lorenzo A. Santorelli, Elisa Granato, Zoé Dumas, Akos Dobay, Ashleigh S. Griffin & Stuart A. West
The production of beneficial public goods is common in the microbial world, and so is cheating – the exploitation of public goods by non-producing mutants. Here, we examine co-evolutionary dynamics between cooperators and cheats and ask whether cooperators can evolve strategies to reduce the burden of exploitation, and whether cheats in turn can improve their exploitation abilities. We evolved cooperators of the bacterium Pseudomonas aeruginosa, producing the shareable iron-scavenging siderophore pyoverdine, together with cheats, defective...

Data from: Effect of the MC1R gene on sexual dimorphism in melanin-based colorations

Luis M. San-José, Anne-Lyse Ducrest, Valérie Ducret, Paul Béziers, Céline Simon, Kazumasa Wakamatsu & Alexandre Roulin
Variants of the melanocortin-1 receptor (MC1R) gene result in abrupt, naturally selected colour morphs. These genetic variants may differentially affect sexual dimorphism if one morph is naturally selected in the two sexes but another morph is naturally or sexually selected only in one of the two sexes (e.g. to confer camouflage in reproductive females or confer mating advantage in males). Therefore, the balance between natural and sexual selections can differ between MC1R variants, as suggest...

Data from: The genetic basis of color-related local adaptation in a ring-like colonization around the Mediterranean

Reto Burri, Sylvain Antoniazza, Arnaud Gaigher, Anne-Lyse Ducrest, Céline Simon, The European Barn Owl Network, Luca Fumagalli, Jerome Goudet & Alexandre Roulin
Uncovering the genetic basis of phenotypic variation and the population history under which it established is key to understand the trajectories along which local adaptation evolves. Here, we investigated the genetic basis and evolutionary history of a clinal plumage color polymorphism in European barn owls (Tyto alba). Our results suggest that barn owls colonized the Western Palearctic in a ring-like manner around the Mediterranean and meet in secondary contact in Greece. Rufous coloration appears to...

Data from: Diffantom: whole-brain diffusion MRI phantoms derived from real datasets of the Human Connectome Project

Oscar Esteban, Emmanuel Caruyer, Alessandro Daducci, Meritxell Bach-Cuadra, María J. Ledesma-Carbayo & Andres Santos
Diffantom is a whole-brain diffusion MRI (dMRI) phantom publicly available through the Dryad Digital Repository (doi:10.5061/dryad.4p080). The dataset contains two single-shell dMRI images, along with the corresponding gradient information, packed following the BIDS standard (Brain Imaging Data Structure, Gorgolewski et al., 2015). The released dataset is designed for the evaluation of the impact of susceptibility distortions and benchmarking existing correction methods. In this Data Report we also release the software instruments involved in generating diffantoms,...

Data from: Sex-chromosome differentiation and ‘sex races’ in the common frog (Rana temporaria)

Nicolas Rodrigues, Yvan Vuille, Jon Loman & Nicolas Perrin
Sex-chromosome differentiation was recently shown to vary among common frog populations in Fennoscandia, suggesting a trend of increased differentiation with latitude. By rearing families from two contrasted populations (respectively, from northern and southern Sweden), we show this disparity to stem from differences in sex-determination mechanisms rather than in XY-recombination patterns. Offspring from the northern population display equal sex ratios at metamorphosis, with phenotypic sexes that correlate strongly with paternal LG2 haplotypes (the sex chromosome); accordingly,...

Data from: Local effects drive heterozygosity-fitness correlations in an outcrossing long-lived tree

Isabel Rodriguez-Quilon, Luis Santos-Del-Blanco, Delphine Grivet, Juan Pablo Jaramillo-Correa, Juan Majada, Giovanni Vendramin, Ricardo Alía & Santiago Gonzalez-Martinez
Heterozygosity-fitness correlations (HFCs) have been used to understand the complex interactions between inbreeding, genetic diversity and evolution. Although frequently reported for decades, evidence for HFCs was often based on underpowered studies or inappropriate methods, and hence their underlying mechanisms are still under debate. Here, we used 6,100 genome-wide Single Nucleotide Polymorphisms (SNPs) to test for general and local effect HFCs in maritime pine (Pinus pinaster Ait.), an iconic Mediterranean forest tree. Survival was used as...

Data from: Very high resolution digital elevation models: are multi-scale derived variables ecologically relevant?

Kevin Leempoel, Christian Parisod, Céline Geiser, Lucas Daprà, Pascal Vittoz & Stéphane Joost
Digital Elevation Models (DEMs) are often used in landscape ecology to retrieve elevation or first derivative terrain attributes such as slope or aspect in the context of species distribution modelling. However, DEM-derived variables are scale-dependent and, given the increasing availability of very high resolution (VHR) DEMs, their ecological relevance must be assessed for different spatial resolutions. In a study area located in the Swiss Western Alps, we computed VHR DEMs-derived variables related to morphometry, hydrology...

Data from: How a haemosporidian parasite of bats gets around: the genetic structure of a parasite, vector and host compared

Fardo Witsenburg, Laura Clément, Ludovic Dutoit, Adrià López-Baucells, Jorge Palmeirim, Dino Scaravelli, Martin Ševčík, Nicolas Salamin, Jérôme Goudet, Philippe Christe & Igor Pavlinić
Parasite population structure is often thought to be largely shaped by that of its host. In the case of a parasite with a complex life cycle, two host species, each with their own patterns of demography and migration, spread the parasite. However, the population structure of the parasite is predicted to resemble only that of the most vagile host species. In this study we tested this prediction in the context of a vector-transmitted parasite. We...

Data from: Uncovering cryptic parasitoid diversity in Horismenus (Chalcidoidea, Eulophidae)

Sarah G. Kenyon, Sven Buerki, Christer Hansson, Nadir Alvarez & Betty Benrey
Horismenus parasitoids are an abundant and understudied group of eulophid wasps found mainly in the New World. Recent surveys based on morphological analyses in Costa Rica have quadrupled the number of named taxa, with more than 400 species described so far. This recent revision suggests that there is still a vast number of unknown species to be identified. As Horismenus wasps have been widely described as parasitoids of insect pests associated with crop plants, it...

Data from: The REporting of studies Conducted using Observational Routinely-collected health Data (RECORD) statement: methods for arriving at consensus and developing reporting guidelines

Stuart G. Nicholls, Pauline Quach, Erik Von Elm, Astrid Guttmann, David Moher, Irene Petersen, Henrik T. Sørensen, Liam Smeeth, Sinéad M. Langan & Eric I. Benchimol
Objective: Routinely collected health data, collected for administrative and clinical purposes, without specific a priori research questions, are increasingly used for observational, comparative effectiveness, health services research, and clinical trials. The rapid evolution and availability of routinely collected data for research has brought to light specific issues not addressed by existing reporting guidelines. The aim of the present project was to determine the priorities of stakeholders in order to guide the development of the REporting...

Data from: Genomic evidence for role of inversion 3RP of Drosophila melanogaster in facilitating climate change adaptation

Rahul V. Rane, Lea Rako, Siu Fai Lee, Ary A. Hoffmann & Martin Kapun
Chromosomal inversion polymorphisms are common in animals and plants, and recent models suggest that alternative arrangements spread by capturing different combinations of alleles acting additively or epistatically to favour local adaptation. It is also thought that inversions typically maintain favoured combinations for a long time by suppressing recombination between alternative chromosomal arrangements. Here, we consider patterns of linkage disequilibrium and genetic divergence in an old inversion polymorphism in Drosophila melanogaster (In(3R)Payne) known to be associated...

Registration Year

  • 2015
    31

Resource Types

  • Dataset
    31

Affiliations

  • University of Lausanne
    31
  • Swiss Institute of Bioinformatics
    2
  • University of Neuchâtel
    2
  • University of Bern
    2
  • École Polytechnique Fédérale de Lausanne
    2
  • Uppsala University
    2
  • University of the Basque Country
    1
  • University of Nis
    1
  • London School of Hygiene & Tropical Medicine
    1
  • University of Pennsylvania
    1