41 Works

Data from: Temperature-sensitive fitness cost of insecticide resistance in Chinese populations of the diamondback moth Plutella xylostella

Gang Wu, Denis Bourguet, Lin Jie Zhang, Yu Pu Jing, Xiao Hui Li & Chang Wei Li
Alleles conferring a higher adaptive value in one environment may have a detrimental impact on fitness in another environment. Alleles conferring resistance to pesticides and drugs provide textbook examples of this trade-off as, in addition to conferring resistance to these molecules, they frequently decrease fitness in pesticide/drug-free environments. We show here that resistance to chlorpyrifos, an organophosphate (OP), in Chinese populations of the diamondback moth, Plutella xylostella, is conferred by two mutations of ace1 –...

Data from: Root traits are related to plant water-use among rangeland Mediterranean species

Florian Fort, Florence Volaire, Lydie Guilioni, Karim Barkaoui, Marie-Laure Navas & Catherine Roumet
1. Understanding the water-use of plants is timely under increasing drought stress due to climate change. Despite the crucial role of roots in water uptake, relationships between water-use and root traits are seldom considered. 2. Combining a functional traits-based approach with a water balance model, we tested whether root functional traits are related to spatial and temporal water-use among 12 Mediterranean rangeland species grown in common garden monocultures. Soil water content was monitored for 10...

Data from: Contemporary variations of immune responsiveness during range expansion of two invasive rodents in Senegal

Christophe Diagne, Emmanuelle Gilot-Fromont, Stéphane Cornet, Laëtitia Husse, Souleymane Doucouré, Ambroise Dalecky, Khalilou Bâ, Mamadou Kane, Youssoupha Niang, Mamoudou Diallo, Aliou Sow, Odile Fossati-Gaschignard, Sylvain Piry, Emmaneulle Artige, Mbacké Sembène, Carine Brouat, Nathalie Charbonnel & Emmanuelle Artige
Biological invasions provide unique opportunities for studying life history trait changes over contemporary time scales. As spatial spread may be related to changes in parasite communities, several hypotheses (such as the evolution of increased competitive ability (EICA) or EICA-refined hypotheses) suggest immune changes in invasive species along invasion gradients. Although native hosts may be subject to similar changes in parasite selection pressures, their immune responses have been rarely investigated in invasion contexts. In this study,...

Data from: Genetic structure and invasion history of the house mouse (Mus musculus domesticus) in Senegal, West Africa: a legacy of colonial and contemporary times

Cédric Lippens, Arnaud Estoup, Maman H. Karmadini, Anne Loiseau, Caroline Tatard, Ambroise Dalecky, Khalilou Bâ, Mamadou Kane, Mamoudou Diallo, Aliou Sow, Youssoupha Niang, Sylvain Piry, Karine Berthier, Raphaël Lebois, Jean-Marc Duplantier & Carine Brouat
Knowledge of the genetic make-up and demographic history of invasive populations is critical to understand invasion mechanisms. Commensal rodents are ideal models to study whether complex invasion histories are typical of introductions involving human activities. The house mouse Mus musculus domesticus is a major invasive synanthropic rodent originating from South-West Asia. It has been largely studied in Europe and on several remote islands, but the genetic structure and invasion history of this taxon have been...

Data from: The genetic structure of Asian corn borer, Ostrinia furnacalis, populations in China: haplotype variance in Northern populations and potential impact on management of resistance to transgenic maize

Jing Li, Brad S. Coates, Kyung Seok Kim, Denis Bourguet, Sergine Ponsard, Kanglai He & Zhenying Wang
Asian corn borer, Ostrinia furnacalis (Guenée), is a severe pest that infests cultivated maize in the major production regions of China. Populations show genotype-by-environment variation in voltinism, such that populations with a single generation (univoltine) are fixed in Northern China where growing seasons are short. Low genetic differentiation was found among samples from 33 collection sites across China and one site from North Korea (n = 1,673) using variation at 6 nuclear microsatellite loci (ENA...

Data from: Regular or covert sex defines two lineages and worldwide superclones within the leaf-curl plum aphid (Brachycaudus helichrysi, Kaltenbach)

Josephine Piffaretti, Anne-Laure Clamens, Flavie Vanlerberghe-Masutti, Rakesh K. Gupta, Elsa Call, Susan Halbert, Emmanuelle Jousselin & A.-L. Clamens
Asexual reproduction occurs widely in plants and animals, particularly in insects. Aphid species usually reproduce by cyclic parthenogenesis, but many species include obligate asexual lineages. We recently showed that the leaf-curl plum aphid, Brachycaudus helichrysi, actually encompasses two lineages, B. helichrysi H1 and H2. Ecological data suggest that these lineages have different life cycles. We conducted a large population genetic study, based on 14 microsatellite loci, to infer their respective life cycles and investigate their...

Data from: Early Plasmodium-induced inflammation does not accelerate aging in mice

Cédric Lippens, Emmanuel Guivier, Sarah E. Reece, Aidan J. O'Donnell, Stephane Cornet, Bruno Faivre & Gabriele Sorci
Aging is associated with a decline of performance leading to reduced reproductive output and survival. While the antagonistic pleiotropy theory of aging has attracted considerable attention, the molecular/physiological functions underlying the early-life benefits/late-life costs paradigm remain elusive. We tested the hypothesis that while early activation of the inflammatory response confers benefits in terms of protection against infection, it also incurs costs in terms of reduced reproductive output at old age, and shortened longevity. We infected...

Data from: Postglacial range expansion shaped the spatial genetic structure in a marine habitat-forming species: implications for conservation plans in the Eastern Adriatic Sea

Jean-Baptiste Ledoux, Maša Frleta-Valić, Silvija Kipson, Agostinho Antunes, Emma Cebrian, Cristina Linares, Pablo Sánchez, Raphael Leblois & Joaquim Garrabou
Aim: Understanding how historical and contemporary processes shaped and maintain spatial patterns of genetic diversity is a major goal for conservation biologists. Here, we characterized the pattern of neutral genetic diversity and we inferred underlying processes in the habitat-forming octocoral Paramuricea clavata in the Adriatic Sea, a peculiar phylogeographic region of the Mediterranean Sea. Location: Eastern coast of the Adriatic Sea. Methods: We genotyped seven microsatellites in 454 individuals of P. clavata from 13 populations...

Data from: How to escape from crop-to-weed gene flow: phenological variation and isolation-by-time within weedy sunflower populations

Marie Roumet, Camille Noilhan, Muriel Latreille, Jacques David, Marie-Hélène Muller & M.-H. Muller
The evolution of crop-related weeds may be constrained by recurrent gene flow from the crop. However, flowering time variation within weedy populations may open the way for weed adaptation by allowing some weeds to escape from this constraint. We investigated this link between phenology, gene flow and adaptation in weedy sunflower populations recently emerged in Europe from crop-wild hybridization. We studied jointly flowering phenology and genetic diversity for 15 microsatellite loci in six cultivated sunflower...

Data from: Patterns and evolution of nucleotide landscapes in seed plants

Laurana Serres-Giardi, Khalid Belkhir, Jacques David & Sylvain Glémin
Nucleotide landscapes, which is the way base composition is distributed along a genome, strongly vary among species. The underlying causes of these variations have been much debated. Though mutational bias and selection were initially invoked, GC-biased gene conversion (gBGC), a recombination-associated process favoring the G and C over A and T bases, is increasingly recognized as a major factor. As opposed to vertebrates, evolution of GC content is less well known in plants. Most studies...

Data from: A comparison between transcriptome sequencing and 16S metagenomics for detection of bacterial pathogens in wildlife

Maria Razzauti, Maxime Galan, Maria Bernard, Sarah Maman, Christophe Klopp, Nathalie Charbonnel, Muriel Vayssier-Taussat, Marc Eloit & Jean-François Cosson
Background: Rodents are major reservoirs of pathogens responsible for numerous zoonotic diseases in humans and livestock. Assessing their microbial diversity at both the individual and population level is crucial for monitoring endemic infections and revealing microbial association patterns within reservoirs. Recently, NGS approaches have been employed to characterize microbial communities of different ecosystems. Yet, their relative efficacy has not been assessed. Here, we compared two NGS approaches, RNA-Sequencing (RNA-Seq) and 16S-metagenomics, assessing their ability to...

Data from: Does water shortage generate water stress? An ecohydrological approach across Mediterranean plant communities

Karim Barkaoui, Marie-Laure Navas, Catherine Roumet, Pablo Cruz & Florence Volaire
The interactions between hydrological and ecological processes are key issues to improve our predictions of ecosystem responses to increasing droughts. However, predicting the dynamics and the impacts of vegetation water stress remains challenging because of complex ecohydrological feedbacks. The ecohydrological optimality approach proposes that functional adjustments within plant communities may buffer the increase in vegetation water stress despite local water shortage. This study aimed to test whether vegetation water stress may be invariant across contrasting...

Data from: Genome scans reveal candidate regions involved in the adaptation to host plant in the pea aphid complex

Julie Jaquiéry, Solenn Stoeckel, Pierre Nouhaud, Lucie Mieuzet, Frédérique Mahéo, Fabrice Legeai, Nina Bernard, Antoine Bonvoisin, Renaud Vitalis & Jean-Christophe Simon
A major goal in evolutionary biology is to uncover the genetic basis of adaptation. Divergent selection exerted on ecological traits may result in adaptive population differentiation and reproductive isolation and affect differentially the level of genetic divergence along the genome. Genome-wide scan of large sets of individuals from multiple populations is a powerful approach to identify loci or genomic regions under ecologically divergent selection. Here, we focused on the pea aphid, a species complex of...

Data from: AFLP genome scan in the black rat (Rattus rattus) from Madagascar: detecting genetic markers undergoing plague-mediated selection

Charlotte Tollenaere, Jean-Marc Duplantier, Lila Rahalison, Michel Ranjalahy & Carine Brouat
The black rat (Rattus rattus) is the main reservoir of plague (Yersinia pestis infection) in Madagascar's rural zones. Black rats are highly resistant to plague within the plague focus (central highland), whereas they are susceptible where the disease is absent (low altitude zone). To better understand plague wildlife circulation and host evolution in response to a highly virulent pathogen, we attempted to determine genetic markers associated with plague resistance in this species. To this purpose,...

Data from: A new versatile primer set targeting a short fragment of the mitochondrial COI region for metabarcoding metazoan diversity: application for characterizing coral reef fish gut contents

Matthieu Leray, Joy Y. Yang, Christopher P. Meyer, Suzanne C. Mills, Natalia Agudelo, Ranwez Vincent, Joel T. Boehm & Ryuji J. Machida
Introduction: The PCR-based analysis of homologous genes has become one of the most powerful approaches for species detection and identification, particularly with the recent availability of Next Generation Sequencing platforms (NGS) making it possible to identify species composition from a broad range of environmental samples. Identifying species from these samples relies on the ability to match sequences with reference barcodes for taxonomic identification. Unfortunately, most studies of environmental samples have targeted ribosomal markers, despite the...

Data from: ‘Becoming a species by becoming a pest’ or how two maize pests of the genus Ostrinia possibly evolved through parallel ecological speciation events

Denis Bourguet, Sergine Ponsard, Rejane Streiff, Serge Meusnier, Philippe Audiot, Jing Li & Zhen-Ying Wang
New agricultural pest species attacking introduced crops may evolve from pre-existing local herbivores by ecological speciation, thereby becoming a species by becoming a pest. We compare the evolutionary pathways by which two maize pests (the Asian and the European corn borers, ACB and ECB) in the genus Ostrinia (Lepidoptera, Crambidae) probably diverged from an ancestral species close to the current Adzuki bean borer (ABB). We typed larval Ostrinia populations collected on maize and dicotyledons across...

Data from: Invasion genetics of a human commensal rodent: the black rat Rattus rattus in Madagascar

Carine Brouat, Charlotte Tollenaere, Arnaud Estoup, Anne Loiseau, Simone Sommer, Rahelinirina Soanandrasana, Lila Rahalison, Minoarisoa Rajerison, Sylvain Piry, S. M. Goodman, Jean-Marc Duplantier & J.-M. Duplantier
Studies focusing on geographical genetic patterns of commensal species and on human history complement each other, and provide proxies to trace common colonisation events. On Madagascar, the unintentional introduction and spread of the commensal species Rattus rattus by people may have left a living clue of human colonization patterns and history. In this study, we addressed this question by characterising the genetic structure of natural populations of R. rattus using both microsatellites and mitochondrial sequences,...

Data from: Impact of past climatic changes and resource availability on the population demography of three food-specialist bees

Simon Dellicour, Denis Michez, Jean-Yves Rasplus & Patrick Mardulyn
Past climate change is known to have strongly impacted current patterns of genetic variation of animals and plants in Europe. However, ecological factors also have the potential to influence demographic history, and thus patterns of genetic variation. In this study, we investigated the impact of past climate, and also the potential impact of host plant species abundance, on intraspecific genetic variation in three co-distributed and related specialized solitary bees of the genus Melitta with very...

Data from: Gender equity at scientific events

Florence Debarre, Nicolas Rode & Line V. Ugelvig
Although the proportion of women in science, and in evolutionary biology in particular, has substantially increased over the last century, women remain underrepresented in academia, especially at senior levels. Moreover, their scientific achievements do not always receive the same level of recognition as do men’s, which can be reflected in a lower relative representation of women among invited speakers at conferences or specialized courses. Using announcements sent to the EvolDir mailing list between April 2016...

Cross-activity of honeybee queen pheromones in bumblebees provides evidence for sensory exploitation

Sarah A. Princen, Annette Van Oystaeyen, Clément Petit, Jelle S. Van Zweden & Tom Wenseleers
The evolutionary origin of queen pheromones, which regulate reproductive division of labor in insect societies, has been explained by two evolutionary scenarios: the sender-precursor hypothesis and the sensory exploitation hypothesis. These scenarios differ in terms of whether the signaling system was built on preadaptations on the part of either the sender queens or the receiver workers. While some social insect queen pheromones – such as cuticular hydrocarbons – were likely derived from ancestral fertility cues...

Data from: Inferences on population history of a seed chalcid wasp: invasion success despite a severe founder effect from an unexpected source population

Marie-Anne Auger-Rozenberg, Thomas Boivin, Emmanuelle Magnoux, Claudine Courtin, Alain Roques & Carole Kerdelhué
Most invasive species established in Europe originate from either Asia or North America, but little is currently known about the potential of the Anatolian Peninsula (Asia Minor) and/or the Near East to constitute invasion sources. Mediterranean forests are generally fragile ecosystems that can be threatened by invasive organisms coming from different regions of the Mediterranean Basin, but for which historical data are difficult to gather and the phylogeographic patterns are still poorly understood for most...

Data from: Next-generation sequencing for rodent barcoding: species identification from fresh, degraded and environmental samples

Maxime Galan, Marie Pagès & Jean-François Cosson
Rodentia is the most diverse order among mammals, with more than 2,000 species currently described. Most of the time, species assignation is so difficult based on morphological data solely that identifying rodents at the specific level corresponds to a real challenge. In this study, we compared the applicability of 100 bp mini-barcodes from cytochrome b and cytochrome c oxidase 1 genes to enable rodent species identification. Based on GenBank sequence datasets of 115 rodent species,...

Data from: Rapid increase in dispersal during range expansion in the invasive ladybird Harmonia axyridis

Eric Lombaert, Arnaud Estoup, Benoît Facon, Benjamin Joubard, Jean-Claude Grégoire, Anaï Jannin, Aurélie Blin & Thomas Guillemaud
The evolutionary trajectories associated with demographic, genetic and spatial disequilibrium have become an issue of growing interest in population biology. Invasive species provide unique opportunities to explore the impact of recent range expansion on life-history traits, making it possible to test for a spatial arrangement of dispersal abilities along the expanding range, in particular. We carried out controlled experiments in laboratory conditions to test the hypothesis of an increase in dispersal capacity with range expansion...

Data from: Divergent evolutionary processes associated with colonization of offshore islands

Natália Martínková, Ross Barnett, Thomas Cucchi, Rahel Struchen, Marine Pascal, Michel Pascal, Martin C. Fischer, Thomas Higham, Selina Brace, Simon Y. W. Ho, Jean-Pierre Quéré, Paul O'Higgins, Laurent Excoffier, Gerald Heckel, A. Rus Hoelzel, Keith M. Dobney & Jeremy B. Searle
Oceanic islands have been a test ground for evolutionary theory, but here, we focus on the possibilities for evolutionary study created by offshore islands. These can be colonized through various means and by a wide range of species, including those with low dispersal capabilities. We use morphology, modern and ancient sequences of cytochrome b (cytb) and microsatellite genotypes to examine colonization history and evolutionary change associated with occupation of the Orkney archipelago by the common...

Data from: Immunogenetic heterogeneity in a widespread ungulate: the European roe deer (Capreolus capreolus)

Erwan Quéméré, Maxime Galan, Jean-François Cosson, François Klein, Stéphane Aulagnier, Emmanuelle Gilot-Fromont, Joël Merlet, A. J. Mark Hewison & Nathalie Charbonnel
Understanding how immune genetic variation is shaped by selective and neutral processes in wild populations is of prime importance in both evolutionary biology and epidemiology. The European roe deer (Capreolus capreolus) has considerably expanded its distribution range these last decades, notably by colonizing agricultural landscapes. This range shift is likely to have led to bottlenecks and increased roe deer exposure to a new range of pathogens that until recently predominantly infected humans and domestic fauna....

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