79 Works

Data from: Ecological co-associations influence species’ responses to past climatic change: an example from a Sonoran Desert bark beetle

Ryan C. Garrick, John D. Nason, Rodney J. Dyer & Juan F. Fernández-Manjarrés
Ecologically interacting species may have phylogeographic histories that are shaped both by features of their abiotic landscape, and by biotic constraints imposed by their co-association. The Baja California peninsula provides an excellent opportunity to examine the influence of abiotic vs. biotic factors on patterns of diversity in plant-insect species. This is because past climatic and geological changes impacted the genetic structure of plants quite differently to that of co-distributed free-living animals (e.g., herpetofauna and small...

Data from: Fire evolution in the radioactive forests of Ukraine and Belarus: future risks for the population and the environment

Nikolaos Evangeliou, Yves Balkanski, Anne Cozic, Wei Min Hao, Florent Mouillot, Kirsten Thonicke, Ronan Paugam, Sergey Zibtsev, Timothy A. Mousseau, Rong Wang, Benjamin Poulter, Alex Petkov, Chao Yue, Patricia Cadule, Brigitte Koffi, Johannes W. Kaiser & Anders Pape Møller
This paper analyzes the current and future status of forests in Ukraine and Belarus that were contaminated after the nuclear disaster in 1986. Using several models, together with remote sensing data and observations, we studied how climate change in these forests may affect fire regimes. We investigated the possibility of 137Cs displacement over Europe by studying previous fire events, and examined three fire scenarios that depended on different emission altitudes of 137Cs, assuming that 10%...

Data from: Factors essential for L,D-transpeptidase-mediated peptidoglycan cross-linking and β-lactam resistance in Escherichia coli

Christiane Bouchier, Jean-Emmanuel Hugonnet, Michel Arthur, Dominique Mengin-Lecreulx, Yves Brun, Michael Van Nieuwenhze, Louis B Rice, Alejandro Monton, Tanneke Den Blaauwen, Etienne Carbonnelle, Carole Veckerlé & Kuyek Tu
The target of β-lactam antibiotics is the D,D-transpeptidase activity of penicillin-binding proteins (PBPs) for synthesis of 4→3 cross-links in the peptidoglycan of bacterial cell walls. Unusual 3→3 cross-links formed by L,D-transpeptidases were first detected in Escherichia coli more than four decades ago, however no phenotype has previously been associated with their synthesis. Here we show that production of the L,D-transpeptidase YcbB in combination with elevated synthesis of the (p)ppGpp alarmone by RelA lead to full...

Data from: Large feet are beneficial for eiders Somateria mollissima

Anders Pape Møller & Karsten Laursen
1. Many waterbirds have fully (totipalmate) or partially webbed (palmate) feet that are used for locomotion in aquatic environments. 2. If webbed feet and wings both contribute to efficient diving, we predicted a positive association between the area of webbed feet and the size of the frontal locomotor apparatus (wing area, heart mass and breast muscle, after adjusting for any partial effects of body size). We predicted that individuals able to acquire more and better...

Data from: Polymorphism pattern at a Miniature Inverted-repeat Transposable Element locus downstream of the domestication gene Teosinte-branched1 in wild and domesticated pearl millet

Yann Dussert, Marie-Stanislas Remigereau, Michael C. Fontaine, Alodie Snirc, Ghayas Lakis, Solenn Stoeckel, Thierry Langin, Aboubakry Sarr, Thierry Robert & M.-S. Remigereau
Unraveling the mechanisms involved in adaptation to understand plant morphological evolution is a challenging goal. For crop species, identification of molecular causal polymorphisms involved in domestication traits are central to this issue. Pearl millet, a domesticated grass mostly found in semi-arid areas of Africa and India, is an interesting model to address this topic: the domesticated form shares common derived phenotypes with some other cereals such as a decreased ability to develop basal and axillary...

Data from: The “Dr Jekyll and Mr Hyde fungus”: noble rot versus gray mold symptoms of Botrytis cinerea on grapes

Elisabeth Fournier, Pierre Gladieux & Tatiana Giraud
Many cryptic species have recently been discovered in fungi, especially in fungal plant pathogens. Cryptic fungal species co-occurring in sympatry may occupy slightly different ecological niches, for example infecting the same crop plant but specialized on different organs or having different phenologies. Identifying cryptic species in fungal pathogens of crops and determining their ecological specialization is therefore crucial for disease management. Here we addressed this question in the ascomycete Botrytis cinerea, the agent of grey...

Data from: Lifespan and reproductive cost explain interspecific variation in the optimal onset of reproduction

Emeline Mourocq, Pierre Bize, Sandra Bouwhuis, Russell Bradley, Anne Charmantier, Carlos De La Cruz, Szymon Marian Obniak, Richard H. M. Espie, Márton Herenyi, Hermann Hötker, Oliver Kruger, John Marzluff, Anders P. Møller, Shinichi Nakagawa, Richard A. Phillips, Andrew N. Radford, Alexandre Roulin, János Török, Juliana Valencia, Martijn Van De Pol, Ian G. Warkentin, Isabel S. Winney, Andrew G. Wood, Michael Griesser & Szymon M. Drobniak
Fitness can be profoundly influenced by the age at first reproduction (AFR), but to date the AFR-fitness relationship only has been investigated intraspecifically. Here we investigated the relationship between AFR and average lifetime reproductive success (LRS) across 34 bird species. We assessed differences in the deviation of the Optimal AFR (i.e., the species-specific AFR associated with the highest LRS) from the age at sexual maturity, considering potential effects of life-history as well as social and...

Data from: Feedback between environment and traits under selection in a seasonal environment: consequences for experimental evolution

Dorian Collot, Thibault Nidelet, Johan Ramsayer, Olivier Martin, Sylvie Méléard, Christine Dillmann, Delphine Sicard, Judith Legrand & Olivier C. Martin
Batch cultures are frequently used in experimental evolution. Even though they are generally considered to simply drive a growth rate increase, traits evolution can be more complex. Indeed, recurrent batches form a seasonal environment as different phases repeat periodically and different traits can be under selection in the different seasons. Moreover, during culture the impact of organisms on the environment is important since the system is closed. Thus, the study of adaptation should take into...

Data from: Evolution of pathogenicity traits in the apple scab fungal pathogen in response to the domestication of its host

Amandine Lê Van, Pierre Gladieux, Christophe Lemaire, Amandine Cornille, Tatiana Giraud, Charles- Eric Durel, Valérie Caffier & Bruno Le Cam
Understanding how pathogens emerge is essential to bring disease-causing agents under durable human control. Here, we used cross-pathogenicity tests to investigate changes in life history traits of the fungal pathogen Venturia inaequalis associated with host-tracking during the domestication of apple and subsequent host range expansion on the wild European crabapple (Malus sylvestris). Pathogenicity of 40 isolates collected in wild and domesticated ecosystems were assessed on the domesticated apple, its central Asian main progenitor (M. sieversii)...

Data from: A quantitative framework for investigating risk of deadly collisions between marine wildlife and boats

Julien Martin, Quentin Sabatier, Timothy A. Gowan, Christophe Giraud, Eliezer Gurarie, Charles Scott Calleson, Joel G. Ortega-Ortiz, Charles J. Deutsch, Athena Rycyk & Stacie M. Koslovsky
Speed regulations of watercraft in protected areas are designed to reduce lethal collisions with wildlife but can have economic consequences. We present a quantitative framework for investigating the risk of deadly collisions between boats and wildlife. We apply encounter rate theory to demonstrate how marine mammal-boat encounter rate can be used to predict the expected number of deaths associated with management scenarios. We illustrate our approach with management scenarios for two endangered species: the Florida...

Data from: Isolation by time and habitat and coexistence of distinct host races of the common cuckoo

Anders P Møller, Anton Antonov, Bard G Stokke, Frode Fossøy, Arne Moksnes, Eivin Røskaft & Fugo Takasu
Isolation by time occurs when different populations of a single species reproduce at different times and thereby reduce the probability of interbreeding, potentially causing divergent adaptation to timing of reproduction, eventually resulting in ecological species separated by timing of reproduction. We analyzed extensive data on timing of reproduction by different host races of the common cuckoo Cuculus canorus that is an obligate brood parasite laying eggs in the nests of many different species of passerine...

Data from: Unexpected pattern of pearl millet genetic diversity among ethno-linguistic groups in the Lake Chad Basin

Abdel Kader Naino Jika, Yann Dussert, Christine Raimond, Eric Garine, Anne Luxereau, Najat Takvorian, Ramatou Sidikou Djermakoye, Toudou Adam & Thierry Robert
Despite of a growing interest in considering the role of sociological factors in seed exchanges and their consequences on the evolutionary dynamics of agro-biodiversity, very few studies assessed the link between ethno-linguistic diversity and genetic diversity patterns in small-holder farming systems. This is key for optimal improvement and conservation of crop genetic resources. Here, we investigated genetic diversity at 17 SSR markers of pearl millet landraces (varieties named by farmers) in the Lake Chad Basin....

Data from: The genetic structure of the plant pathogenic fungus Melampsora larici-populina on its wild host is extensively impacted by host domestication

Constance Xhaard, Bénédicte Fabre, Axelle Andrieux, Pierre Gladieux, Benoit Barrès, Pascal Frey & Fabien Halkett
Wild and cultivated plants represent very different habitats for pathogens, especially when cultivated plants bear qualitative resistance genes. Here, we investigated to what extent the population genetic structure of a plant pathogenic fungus collected on its wild host can be impacted by the deployment of resistant cultivars. We studied one of the main poplar diseases, poplar rust, caused by the fungus Melampsora larici-populina. A thousand fifty individuals sampled from several locations in France were phenotyped...

Data from: Co-occurrence and hybridization of anther-smut pathogens specialized on Dianthus hosts

Elsa Petit, Casey Silver, Amandine Cornille, Pierre Gladieux, Lisa Rosenthal, Emily Bruns, Sarah Yee, Janis Antonovics, Tatiana Giraud & Michael Hood
Host specialization has important consequences for the diversification and ecological interactions of obligate pathogens. The anther-smut disease of natural plant populations, caused by Microbotryum fungi, has been characterized by specialized host-pathogen interactions, which contribute in part to the isolation among these numerous fungal species. This study investigated the molecular variation of Microbotryum pathogens within the geographic and host-specific distributions on wild Dianthus species in southern European Alps. In contrast to prior studies on this pathogen...

Data from: Chronic exposure to low-dose radiation at Chernobyl favours adaptation to oxidative stress in birds

Ismael Galván, Andrea Bonisoli-Alquati, Shanna Jenkinson, Ghanem Ghanem, Kazumasa Wakamatsu, Timothy A. Mousseau & Anders P. Møller
1. Ionizing radiation produces oxidative stress, but organisms can adapt to their exposure with physiological adaptive responses. However, the role of radioadaptive responses in wild populations remains poorly known. 2. At Chernobyl, studies of birds and other taxa including humans show that chronic exposure to radiation depletes antioxidants and increases oxidative damage. Here we present analyses of levels of the most important intracellular antioxidant (i.e., glutathione, GSH), its redox status, DNA damage and body condition...

Data from: Phylogeography in continuous space: coupling species distribution models and circuit theory to assess the effect of contiguous migration at different climatic periods on genetic differentiation in Busseola fusca (Lepidoptera: Noctuidae)

Stéphane Dupas, Bruno Le Rü, Antoine Branca, Nathalie Faure, Guillaume Gigot, Pascal Campagne, Michel Sezonlin, Rose Ndemah, Paul-André Calatayud, Jean-François Silvain, G. Ong'amo, B. Le Ru, P.-A. Calatayud & J.-F. Silvain
Current population genetic models fail to cope with genetic differentiation for species with large, contiguous and heterogeneous distribution. We show that in such a case, genetic differentiation can be predicted at equilibrium by circuit theory, where conductance corresponds to abundance in species distribution models (SDM). Circuit-SDM approach was used for the phylogeographic study of the lepidopteran cereal stemborer Busseola fusca Füller (Noctuidae) across sub-Saharan Africa. Species abundance was surveyed across its distribution range. SDM models...

Data from: Booming far: the long-range vocal strategy of a lekking bird

Clément Cornec, Yves Hingrat, Thierry Aubin & Fanny Rybak
The pressures of selection acting on transmission of information by acoustic signals are particularly high in long-distance communication networks. Males of the North African houbara bustard (Chlamydotis undulata undulata) produce extremely low-frequency vocalizations called 'booms' as a component of their courtship displays. These displays are performed on sites separated by a distance of on average 550 m, constituting exploded leks. Here, we investigate the acoustic features of booms involved in species-specific identity. We first assessed...

Data from: Quantitative genetics of migration syndromes: a study of two barn swallow populations

Celine Teplitsky, Nissrine G Mouawad, Javier Balbontín, Florentino De Lope & Anders P Møller
Migration is a complex trait although little is known about genetic correlations between traits involved in such migration syndromes. To assess migratory responses to climate change, we need information on genetic constraints on evolutionary potential of arrival dates in migratory birds. Using two long term data sets on barn swallows Hirundo rustica (from Spain and Denmark), we show for the first time in wild populations that spring arrival dates are phenotypically and genetically correlated with...

Data from: Multiple infections, relatedness and virulence in the anther-smut fungus castrating Saponaria plants

Taiadjana M. Fortuna, Alice Namias, Alodie Snirc, Antoine Branca, Michael E. Hood, Christian Raquin, Jacqui A. Shykoff & Tatiana Giraud
Multiple infections (co-occurrence of multiple pathogen genotypes within an individual host) can have important impacts on diseases. Relatedness among pathogens can affect the likelihood of multiple infections and their consequences through kin selection. Previous studies on the castrating anther-smut fungus Microbotryum lychnidis-dioicae have shown that multiple infections occur in its host plant Silene latifolia. Relatedness was high among fungal genotypes within plants, which could result from competitive exclusion between unrelated fungal genotypes, from population structure...

Data from: Testing the impact of calibration on molecular divergence times using a fossil-rich group: the case of Nothofagus (Fagales)

Hervé Sauquet, Simon Y. W. Ho, Maria A. Gandolfo, Gregory J. Jordan, Peter Wilf, David J. Cantrill, Michael J. Bayly, Lindell Bromham, Gillian K. Brown, Raymond J. Carpenter, Daphne M. Lee, Daniel J. Murphy, J. M. Kale Sniderman & Frank Udovicic
Although temporal calibration is widely recognized as critical for obtaining accurate divergence-time estimates using molecular dating methods, few studies have evaluated the variation resulting from different calibration strategies. Depending on the information available, researchers have often used primary calibrations from the fossil record or secondary calibrations from previous molecular dating studies. In analyses of flowering plants, primary calibration data can be obtained from macro- and mesofossils (e.g., leaves, flowers, and fruits) or microfossils (e.g., pollen)....

Data from: Which frugivory‐related traits facilitated historical long‐distance dispersal in the custard apple family (Annonaceae)?

Renske E. Onstein, W. Daniel Kissling, Lars W. Chatrou, Thomas L. P. Couvreur, Hélène Morlon & Hervé Sauquet
Aim Long-distance dispersal has contributed to the disjunct biogeographical distribution of rain forest plants – something that has fascinated biogeographers since Humboldt’s time. However, the dispersal ‘agent’ for these tropical plant lineages remains puzzling. Here, we investigate which frugivory-related traits may have facilitated past intercontinental long-distance dispersal in the custard apple family (Annonaceae), a major vertebrate-dispersed tropical plant family. We hypothesize that long-distance dispersal was associated with the evolution of traits related to dispersal by...

Data from: Connecting genomic patterns of local adaptation and niche suitability in teosintes

Jonas Aguirre-Liguori, Maud Tenaillon, Alejandra Vázquez-Lobo, Brandon Gaut, Juan Jaramillo-Correa, Salvador Montes-Hernandez, Valeria Souza, L. E. Eguiarte, J. P. Jaramillo-Correa & M. I. Tenaillon
The central-abundance hypothesis predicts that local adaptation is a function of the distance to the center of a species’ geographic range. To test this hypothesis, we gathered genomic diversity data from 49 populations, 646 individuals and 33,464 SNPs of two wild relatives of maize, the teosintes Zea mays ssp. parviglumis and Zea. mays. ssp. mexicana. We examined the association between the distance to their climatic and geographic centroids and the enrichment of SNPs bearing signals...

Data from: Conserved class of queen pheromones stops social insect workers from reproducing

Annette Van Oystaeyen, Ricardo Caliari Oliveira, Luke Holman, Jelle S. Van Zweden, Carmen Romero, Cintia A. Oi, Patrizia D'Ettorre, Mohammadreza Khalesi, Johan Billen, Felix Wäckers, Jocelyn G. Millar & Tom Wenseleers
A major evolutionary transition to eusociality with reproductive division of labor between queens and workers has arisen independently at least 10 times in the ants, bees, and wasps. Pheromones produced by queens are thought to play a key role in regulating this complex social system, but their evolutionary history remains unknown. Here, we identify the first sterility-inducing queen pheromones in a wasp, bumblebee, and desert ant and synthesize existing data on compounds that characterize female...

Wide spectrum and high frequency of genomic structural variation, including transposable elements, in large double stranded DNA viruses

Clement Gilbert, Elisabeth Herniou, Yannis Moreau, Nicolas Lévêque, Carine Meignin, Laurent Daeffler, Brian Federici, Richard Cordaux & Vincent Loiseau
Our knowledge of the diversity and frequency of genomic structural variation segregating in populations of large double stranded (ds) DNA viruses is limited. Here we sequenced the genome of a baculovirus (AcMNPV) purified from beet armyworm (Spodoptera exigua) larvae at depths >195,000X using both short-read (Illumina) and long-read (PacBio) technologies. Using a pipeline relying on hierarchical clustering of structural variants (SVs) detected in individual short- and long-reads by six variant callers, we identified a total...

Data from: New physiological bench test reproducing noctural breathing pattern of patients with sleep disordered breathing

Petitjean Michel, Yann Rétory, Amélie Sagniez, Sébastien HARDY, François Cottin, Gabriel Roisman & Shuo Liu
Previous studies have shown that Automatic Positive Airway Pressure (APAP) devices display different behaviors when connected to a bench using theoretical respiratory cycle scripts. However, these scripts are limited and do not simulate physiological behavior during the night. Our aim was to develop a physiological bench that is able to simulate patient breathing airflow by integrating polygraph data. We developed an algorithm analyzing polygraph data and transformed this information into digital inputs required by the...

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