1,779 Works

Data from: Patient characteristics associated with tuberculosis treatment default: a cohort study in a high-incidence area of Lima, Peru

Brian Lackey, Carlos Seas, Patrick Van Der Stuyft & Larissa Otero
Background: Although tuberculosis (TB) is usually curable with antibiotics, poor adherence to medication can lead to increased transmission, drug resistance, and death. Prior research has shown several factors to be associated with poor adherence, but this problem remains a substantial barrier to global TB control. We studied patients in a high-incidence district of Lima, Peru to identify factors associated with premature termination of treatment (treatment default). Methods: We conducted a prospective cohort study of adult...

Data from: Seed dispersal by ungulates as an ecological filter: a trait-based meta-analysis

Aurélie Albert, Alistair G. Auffret, Eric Cosyns, Sara A. O. Cousins, Bram D'Hondt, Carsten Eichberg, Amy E. Eycott, Thilo Heinken, Maurice Hoffmann, Bogdan Jaroszewicz, Juan E. Malo, Anders Mårell, Maarten Mouissie, Robin J. Pakeman, Mélanie Picard, Jan Plue, Peter Poschlod, Sam Provoost, Kiowa Alraune Schulze & Christophe Baltzinger
Plant communities are often dispersal-limited and zoochory can be an efficient mechanism for plants to colonize new patches of potentially suitable habitat. We predicted that seed dispersal by ungulates acts as an ecological filter – which differentially affects individuals according to their characteristics and shapes species assemblages – and that the filter varies according to the dispersal mechanism (endozoochory, fur-epizoochory and hoof-epizoochory). We conducted two-step individual participant data meta-analyses of 52 studies on plant dispersal...

Data from: Quantitative trait loci for light sensitivity, body weight, body size, and morphological eye parameters in the bumblebee, Bombus terrestris

Kevin Maebe, Ivan Meeus, Jan De Riek & Guy Smagghe
Bumblebees such as Bombus terrestris are essential pollinators in natural and managed ecosystems. In addition, this species is intensively used in agriculture for its pollination services, for instance in tomato and pepper greenhouses. Here we performed a quantitative trait loci (QTL) analysis on B. terrestris using 136 microsatellite DNA markers to identify genes linked with 20 traits including light sensitivity, body size and mass, and eye and hind leg measures. By composite interval mapping (IM),...

Data from: Unravelling the effects of contemporary and historical range expansion on the distribution of genetic diversity in the damselfly Coenagrion scitulum

Janne Swaegers, Joachim Mergeay, Lieven Therry, Dries Bonte, Maarten H. D. Larmuseau & Robby Stoks
Although genetic diversity provides the basic substrate for evolution, there are a limited number of studies that assess the impact of recent climate change on intraspecific genetic variation. This study aims to unravel the degree to which historical and contemporary factors shape genetic diversity and structure across a large part of the range of the range-expanding damselfly Coenagrion scitulum (Rambur, 1842). A total of 525 individuals from 31 populations were genotyped at nine microsatellites, and...

Data from: Highly diverse nirK genes comprise two major clades that harbour ammonium-producing denitrifiers

Helen Decleyre, Kim Heylen, Bjorn Tytgat & Anne Willems
Background: Copper dependent nitrite reductase, NirK, catalyses the key step in denitrification, i.e. nitrite reduction to nitric oxide. Distinct structural NirK classes and phylogenetic clades of NirK-type denitrifiers have previously been observed based on a limited set of NirK sequences, however, their environmental distribution or ecological strategies are currently unknown. In addition, environmental nirK-type denitrifiers are currently underestimated in PCR-dependent surveys due to primer coverage limitations that can be attributed to their broad taxonomic diversity...

Data from: Metabolic adaptations in a range-expanding arthropod

Katrien H. P. Van Petegem, David Renault, Robby Stoks & Dries Bonte
Despite an increasing number of studies documenting life-history evolution during range expansions or shifts, we lack a mechanistic understanding of the underlying physiological processes. In this explorative study, we used a metabolomics approach to study physiological changes associated with the recent range expansion of the two-spotted spider mite (Tetranychus urticae). Mite populations were sampled along a latitudinal gradient from range core to edge and reared under benign common garden conditions for two generations. Using gas...

Data from: Measuring the biodiversity of microbial communities by flow cytometry

Ruben Props, Pieter Monsieurs, Mohamed Mysara, Lieven Clement & Nico Boon
1. Measuring the microbial diversity in natural and engineered environments is important for ecosystem characterization, ecosystem monitoring and hypothesis testing. Although the conventional assessment through single marker gene surveys has resulted in major advances, the complete procedure remains slow (i.e., weeks to months), labour-intensive and susceptible to multiple sources of laboratory and data processing bias. Growing interest, in highly resolved, temporal surveys of microbial diversity, necessitates rapid, inexpensive and robust analytical platforms that require limited...

Data from: Predictable food supplies induce plastic shifts in avian scaled body mass

Noraine Salleh Hudin, Diederik Strubbe, Aimeric Teyssier, Liesbeth De Neve, Joël White, Geert P. J. Janssens & Luc Lens
Urbanization constitutes one of the most profound forms of land-use change and strongly affects global biodiversity and ecosystem functioning. Expansion of urban areas typically leads to species loss but may also induce more subtle changes in species dynamics through selection or plasticity. Using a dual correlative (field) and experimental (aviary) approach, we here show that free-ranging urban house sparrows in southern France were smaller and lighter than their rural counterparts after allometric scaling, whereas 2...

Data from: Adaptation of a polyphagous herbivore to a novel host plant extensively shapes the transcriptome of herbivore and host

Nicky Wybouw, Vladimir Zhurov, Catherine Martel, Kristie A. Bruinsma, Frederik Hendrickx, Vojislava Grbić & Thomas Van Leeuwen
Generalist arthropod herbivores rapidly adapt to a broad range of host plants. However, the extent of transcriptional reprogramming in the herbivore and its hosts associated with adaptation remains poorly understood. Using the spider mite Tetranychus urticae and tomato as models with available genomic resources, we investigated the reciprocal genomewide transcriptional changes in both spider mite and tomato as a consequence of mite's adaptation to tomato. We transferred a genetically diverse mite population from bean to...

Data from: Nitrous oxide emission by the non-denitrifying, nitrite ammonifier Bacillus licheniformis

Yihua Sun, Paul De Vos & Kim Heylen
Background: Firmicutes have the capacity to remove excess nitrate from the environment via either denitrification, dissimilatory nitrate reduction to ammonium or both. The recent renewed interest in their nitrogen metabolism has revealed many interesting features, the most striking being their wide variety of dissimilatory nitrate reduction pathways. In the present study, nitrous oxide production from Bacillus licheniformis, a ubiquitous Gram-positive, spore-forming species with many industrial applications, is investigated. Results: B. licheniformis has long been considered...

Data from: A longitudinal genetic survey identifies temporal shifts in the population structure of Dutch house sparrows

Laurence Cousseau, Martin Husemann, Ruud Foppen, Carl Vangestel & Luc Lens
Dutch house sparrow (Passer domesticus) densities dropped by nearly 50% since the early 1980s, and similar collapses in population sizes have been reported across Europe. Whether, and to what extent, such relatively recent demographic changes are accompanied by concomitant shifts in the genetic population structure of this species needs further investigation. Therefore, we here explore temporal shifts in genetic diversity, genetic structure and effective sizes of seven Dutch house sparrow populations. To allow the most...

Data from: Behavioral adaptations imply a direct link between ecological specialization and reproductive isolation in a sympatrically diverging ground beetle

Steven M. Van Belleghem, Katrien De Wolf & Frederik Hendrickx
Adaptation to a previously unoccupied niche within a single population is one of the most contentious topics in evolutionary biology as it assumes the simultaneous evolution of ecologically selected and preference traits. Here, we demonstrate behavioral adaptation to contrasting hydrological regimes in a sympatric mosaic of Pogonus chalceus beetle populations, and argue that this adaptation may result in nonrandom gene flow. When exposed to experimental inundations, individuals from tidal marshes, which are naturally subjected to...

Data from: The first multi-gene phylogeny of the Macrostomorpha sheds light on the evolution of sexual and asexual reproduction in basal Platyhelminthes

Toon Janssen, Dita B. Vizoso, Gregor Schulte, D. Timothy J. Littlewood, Andrea Waeschenbach & Lukas Schärer
The Macrostomorpha—an early branching and species-rich clade of free-living flatworms—is attracting interest because it contains Macrostomum lignano, a versatile model organism increasingly used in evolutionary, developmental, and molecular biology. We elucidate the macrostomorphan molecular phylogeny inferred from both nuclear (18S and 28S rDNA) and mitochondrial (16S rDNA and COI) marker genes from 40 representatives. Although our phylogeny does not recover the Macrostomorpha as a statistically supported monophyletic grouping, it (i) confirms many taxa previously proposed...

Data from: Hydrodynamic drag constrains head enlargement for mouthbrooding in cichlids

Sam Van Wassenbergh, Nuno Z. Potes & Dominique Adriaens
Presumably as an adaptation for mouthbrooding, many cichlid fish species have evolved a prominent sexual dimorphism in the adult head. Since the head of fishes serves as a bow during locomotion, an evolutionary increase in head volume to brood more eggs can trade-off with the hydrodynamic efficiency of swimming. Here, the differences between males and females in three-dimensional shape and size of the external head surfaces and the effect thereof on drag force during locomotion...

Data from: The impact of conservation management on the community composition of multiple organism groups in eutrophic interconnected man-made ponds

Pieter Lemmens, Joachim Mergeay, Jeroen Van Wichelen, Luc De Meester & Steven A. J. Declerck
Ponds throughout the world are subjected to a variety of management measures for purposes of biodiversity conservation. Current conservation efforts typically comprise a combination of multiple measures that directly and indirectly impact a wide range of organism groups. Knowledge of the relative impact of individual measures on different taxonomic groups is important for the development of effective conservation programs. We conducted a field study of 28 man-made ponds, representing four management types differing in the...

Data from: Life-history evolution in response to changes in metapopulation structure in an arthropod herbivore

Annelies De Roissart, Nicky Wybouw, David Renault, Thomas Van Leeuwen & Dries Bonte
The persistence and dynamics of populations largely depends on the way they are configured and integrated into space and the ensuing eco-evolutionary dynamics. We manipulated spatial and temporal variation in patch size in replicated experimental metapopulations of the herbivore mite Tetranychus urticae and followed evolutionary dynamics over approximately 30 generations. A significant divergence in life history traits, physiological endpoints and gene expression was recorded in the spatially and spatiotemporally variable metapopulation, but also a remarkable...

Data from: The evolution of optimal emergence times: bet hedging and the quest for an ideal free temporal distribution of individuals

Hans Joachim Poethke, Thomas Hovestadt & Oliver Mitesser
Proper timing of activities is one of the principal challenges faced by most organisms. Organisms need to account for various aspects in decision making like avoiding inordinate risks, synchronizing with resource availability, or finding mates. We provide analytical and simulation models to investigate the influence of life expectancy, resource competition and unpredictable environmental conditions (environmental uncertainty) on the evolutionarily stable distribution of emergence times in organisms depending on seasonally available resources. We focus on the...

[Materials-Data-Analysis-Preprint] Involuntary attentional orienting in the absence of awareness speeds up early sensory processing

Antonio Schettino, Valentina Rossi, Gilles Pourtois & Matthias Müller
Materials, data, and analysis scripts of the two experiments presented in the following paper: Schettino, A., Rossi, V., Pourtois, G., Müller, M. M. (2016). Involuntary attentional orienting in the absence of awareness speeds up early sensory processing. Cortex, 74, 107–17. DOI: 10.1016/j.cortex.2015.10.016

Data from: Community assembly in Lake Tanganyika cichlid fish: quantifying the contributions of both niche-based and neutral processes

Thijs Janzen, Adriana Alzate, Moritz Muschick, Martine E. Maan, Fons Van Der Plas & Rampal S. Etienne
The cichlid family features some of the most spectacular examples of adaptive radiation. Evolutionary studies have highlighted the importance of both trophic adaptation and sexual selection in cichlid speciation. However, it is poorly understood what processes drive the composition and diversity of local cichlid species assemblages on relatively short, ecological timescales. Here, we investigate the relative importance of niche-based and neutral processes in determining the composition and diversity of cichlid communities inhabiting various environmental conditions...

Data from: Controlled fluorescence in a beetle's photonic structure and its sensitivity to environmentally induced changes

Sébastien R. Mouchet, Michaël Lobet, Branko Kolaric, Anna M. Kaczmarek, Rik Van Deun, Peter Vukusic, Olivier Deparis & Eloise Van Hooijdonk
The scales covering the elytra of the male Hoplia coerulea beetle contain fluorophores embedded within a porous photonic structure. The photonic structure controls both insect colour (reflected light) and fluorescence emission. Herein, the effects of water-induced changes on the fluorescence emission from the beetle were investigated. The fluorescence emission peak wavelength was observed to blue-shift on water immersion of the elytra whereas its reflectance peak wavelength was observed to red-shift. Time-resolved fluorescence measurements, together with...

Validation of the FEEL-KJ: An instrument to measure emotion regulation in children and adolescents

Emiel Cracco, Kim Van Durme & Caroline Braet
Data for "Validation of the FEEL-KJ: An instrument to measure emotion regulation in children and adolescents" published in PLOS ONE (http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0137080)

Emotion regulation across childhood and adolescence: Evidence for a maladaptive shift in adolescence

Emiel Cracco, Lien Goossens & Caroline Braet

Do Impulsive Individuals Benefit More From Food Go/No-Go Training?

Zhang Chen
Chen, Z., Veling, H., Dijksterhuis, A., & Holland, R. W. (2018). Do impulsive individuals benefit more from food go/no-go training? Testing the role of inhibition capacity in the no-go devaluation effect. Appetite, 124, 99-110.

Brain regions involved in observing and trying to interpret dog behaviour

Marcel Brass & Charlotte Desmet
Preprocessed functional fMRI data and spm scripts associated with the first level analysis.

Data from: Mammal-induced trophic cascades in invertebrate food webs are modulated by grazing intensity in subalpine grassland

Martijn L. Vandegehuchte, Martin Schütz, Frederic De Schaetzen & Anita C. Risch
1. Even though mammalian herbivores can exert strong indirect effects on other animals by altering the vegetation, the study of trophic cascades retains a focus on apex predators and their top-down forces. Bottom-up trophic interaction chains induced by mammalian herbivores, particularly in invertebrate food webs, remain largely unexplored. 2. We tested whether effects of mammalian herbivores on the vegetation ricochet back up several trophic levels of the invertebrate food web. We further tested two alternative...

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  • Universiteit Gent
  • Ghent University
  • KU Leuven
  • Erasmus University Rotterdam
  • University of Antwerp
  • Research Institute for Nature and Forest
  • Utrecht University
  • Ministry of Science and Technology of the People's Republic of China
  • Chinese Academy of Medical Sciences & Peking Union Medical College
  • Swedish University of Agricultural Sciences