37 Works

Data from: Genetic structure and effective population sizes in European red deer (Cervus elaphus) at a continental scale: insights from microsatellite DNA

Frank E. Zachos, Alain C. Frantz, Ralph Kuehn, Sabine Bertouille, Marc Colyn, Magdalena Niedzialkowska, Javier Pérez-González, Anna Skog, Nikica Šprem & Marie-Christine Flamand
We analysed more than 600 red deer (Cervus elaphus) from large parts of its European distribution range at 13 microsatellite loci, presenting the first continent-wide study of this species using nuclear markers. Populations were clearly differentiated (overall FST = 0.166, Jost’s Dest = 0.385), and the BAPS clustering algorithm yielded mainly geographically limited and adjacent genetic units. When forced into only three genetic clusters our data set produced a very similar geographic pattern as previously...

Experimental 3D Velocity Field in Random Sphere Packing

Mathieu Souzy, Henri Lhuissier, Yves Méheust, Tanguy Le Borgne & Bloen Metzger

Survival and growth of Symphonia seedlings in a reciprocal transplantation experiment

Niklas Tysklind, Marie-Pierre Etienne, Ivan Scotti, Caroline Scotii-Saintagne, Alexandra Tinaut, Maxime Casalis, Valerie Troispoux, Saint Omer Cazal & Louise Brousseau
Trees are characterised by the large number of seeds they produce. Although most of those seeds will never germinate, plenty will. Of those which germinate, many die young, and eventually only a minute fraction will grow to adult stage and reproduce. Is this just a random process? Do variations in germination and survival at very young stages rely on variations in adaptations to microgeographic heterogeneity? and do these processes matter at all in determining tree...

Least‐cost path analysis for urban greenways planning: a test with moths and birds across two habitats and two cities

Manon Balbi, Solène Croci, Eric J. Petit, Alain Butet, Romain Georges, Luc Madec, Jean-Pierre Caudal & Aude Ernoult
1. One of the major planning tools to respond to urban landscape fragmentation is the development of ecological corridors, i.e. interconnected networks of urban green and blue spaces. Least-cost paths (LCP) appear to be an easy and appropriate resistance-based modeling method to respond to urban planners’ needs. However, the ecological validation of urban corridors using LCP is rarely performed and needs to be generalized to different species, habitats and cities. 2. We developed an experimental...

Local phylogenetic signal in Dutch habitats and other data from Prinzing et al New Phytologist 2021

Prinzing Andreas
The functioning of present ecosystems reflects deep evolutionary history of locally co-occurring species if their functional traits show high phylogenetic signal (PS). However, we do not understand what drives local PS. We hypothesize that local PS is high in undisturbed and stressful habitats – either due to ongoing local assembly of species that maintained ancestral traits, or past evolutionary maintenance of ancestral traits within habitat species-pools, or both. We quantified PS and diversity of 10...

Additional file 2 of Maternal blood pressure associates with placental DNA methylation both directly and through alterations in cell-type composition

Lucile Broséus, Daniel Vaiman, Jörg Tost, Camino Ruano San Martin, Milan Jacobi, Joel D. Schwartz, Rémi Béranger, Rémy Slama, Barbara Heude & Johanna Lepeule
Additional file 2: Supplementary tables ST1-ST12. ST1 – Participants’ characteristics; ST2 - Global methylation analyses; ST3 - Inflation Factors; ST4 - Top 100 DMPs; ST5 - Replication Analysis; ST6 - DMRs; ST7 - Trait Enrichment; ST8 - Gene enrichment; ST9 - Sensitivity analyses of DMRs; ST10 - Association between blood pressure and cell-type composition; ST11 – Compositional mediation analysis; ST12 - Mediation analysis: role of the ratio Stromal/Syncytiotrophoblasts.

Maternal and fetal blood pharmacokinetics and organ distribution of atrazine, propazine, simazine and their metabolites in pregnant rats after chronic oral administration

Pascal Le Corre, Nolwenn Brandhonneur, Vincent Hutin, Cecile Chevrier & Sylvaine Cordier
Environmental contamination by chlorotriazines has been evidenced in mother-child cohort suggesting more detailed risk assessment of these compounds in drinking water. Exposure of rodents to atrazine has been associated to alterations of endocrine and reproductive functions by disrupting neuroendocrine control at hypothalamus level. Perinatal exposure to low doses of atrazine has been associated to reproductive dysfunction, and to behavioral abnormalities in adult exposed during embryogenesis. The objectives of the current investigation were to (1) evaluate...

Exploring the genetic consequences of clonality in haplodiplontic taxa

Stacy Krueger-Hadfield, Marie-Laure Guillemin, Christophe Destombe, Myriam Valero & Solenn Stoeckel
Partially clonality is an incredibly common reproductive mode found across all the major eukaryotic lineages. Yet, population genetic theory is based on exclusive sexuality or exclusive asexuality and partial clonality is often ignored. This is particularly true in haplodiplontic eukaryotes, including algae, ferns, mosses, and fungi, where somatic development occurs in both the haploid and diploid stages. Haplodiplontic life cycles are predicted to be correlated with asexuality, but tests of this prediction are rare. Moreover,...

Eco-evolutionary consequences of living with close relatives: Resistance to herbivores and climatic stress increases with investment into mycorrhiza in adult oaks

Mickael Pihain, Andreas Prinzing, Alexis Ducousso, Pierre-Emmanuel Courty, Thomas Houet, Romain Georges, Olivier Jambon, Brigitte Musch & Pille Gerhold
1. Mycorrhizas are known to increase plant resistance to herbivores and climatic stress. However, it is unknown if particularly hostile environments select for increased investment of plants into mycorrhiza. 2. We studied hostile biotic environments: phylogenetically proximate neighbourhoods known to increase herbivory and pedoclimatic stress. In a common garden, we studied the resistances, tri-trophic interactions and microclimate of 28-years-old oaks (Quercus petraea), descending from provenances of contrasting phylogenetic neighbourhoods. 3. We found that oaks descending...

Targeting the KRAS α4-α5 allosteric interface inhibits pancreatic cancer tumorigenesis

Imran Khan, Catherine MarElia-Bennet, Julia Lefler, Mariyam Zuberi, Eric Denbaum, Akiko Koide, Dean M. Connor, Ann-Marie Broome, Thierry Pécot, Cynthia Timmers, Michael C. Ostrowski, Shohei Koide & John P. O’Bryan
RAS is the most frequently mutated oncogene in human cancer with nearly ~20% of cancer patients possessing mutations in one of three RAS genes (K, N or HRAS). However, KRAS is mutated in nearly 90% of pancreatic ductal carcinomas (PDAC). Although pharmacological inhibition of RAS has been challenging, KRAS(G12C)-specific inhibitors have recently entered the clinic. While KRAS(G12C) is frequently expressed in lung cancers, it is rare in PDAC. Thus, more broadly efficacious RAS inhibitors are...

Targeting the KRAS α4-α5 allosteric interface inhibits pancreatic cancer tumorigenesis

Imran Khan, Catherine Marelia-Bennet, Julia Lefler, Mariyam Zuberi, Eric Denbaum, Akiko Koide, Dean M. Connor, Ann-Marie Broome, Thierry Pécot, Cynthia Timmers, Michael C. Ostrowski, Shohei Koide & John P. O’Bryan
RAS is the most frequently mutated oncogene in human cancer with nearly ~20% of cancer patients possessing mutations in one of three RAS genes (K, N or HRAS). However, KRAS is mutated in nearly 90% of pancreatic ductal carcinomas (PDAC). Although pharmacological inhibition of RAS has been challenging, KRAS(G12C)-specific inhibitors have recently entered the clinic. While KRAS(G12C) is frequently expressed in lung cancers, it is rare in PDAC. Thus, more broadly efficacious RAS inhibitors are...

Additional file 2 of Host-plant adaptation as a driver of incipient speciation in the fall armyworm (Spodoptera frugiperda)

Estelle Fiteni, Karine Durand, Sylvie Gimenez, Robert L. Meagher, Fabrice Legeai, Gael J. Kergoat, Nicolas Nègre, Emmanuelle d’Alençon & Kiwoong Nam
Additional file 2: Table S4. The list of genes in the loci with potential selective sweeps.

Data from: Ecosystem multifunctionality is promoted by organic farming and hedgerows at the local scale but not at the landscape scale

Audrey Alignier, Couthouis Eloïse, Aviron Stéphanie & Julien Pétillon
This dataset gathers information used for the paper Couthouis et al. "Ecosystem multifunctionality is promoted by organic farming and hedgerows at the local scale but not at the landscape scale", part of the BIOMHE project (2019-2022) funded by the Fondation de France. It contains data about (i) species richness and abundances used for calculating ecological performance, (ii) crop yield used for calculating agronomic performance, (iii) labour and semi-net margin used for calculating socio-economic performance. Combined,...

Data from: Assessment of rival males through the use of multiple sensory cues in the fruitfly Drosophila pseudoobscura

Chris P. Maguire, Anne Lizé & Tom A. R. Price
Environments vary stochastically, and animals need to behave in ways that best fit the conditions in which they find themselves. The social environment is particularly variable, and responding appropriately to it can be vital for an animal’s success. However, cues of social environment are not always reliable, and animals may need to balance accuracy against the risk of failing to respond if local conditions or interfering signals prevent them detecting a cue. Recent work has...

Quantifying the effects of species traits on predation risk in nature: a comparative study of butterfly wing damage

Freerk Molleman, Juhan Javoiš, Robert Davis, Melissa Whitaker, Toomas Tammaru, Andreas Prinzing, Erki Õunap, Niklas Wahlberg, Ullasa Kodandaramaiah, Kwaku Aduse-Poku, Ants Kaasik & James Carey
1) Evading predators is a fundamental aspect of the ecology and evolution of all prey animals. In studying the influence of prey traits on predation risk, previous researchers have shown that crypsis reduces attack rates on resting prey, predation risk increases with increased prey activity, and rapid locomotion reduces attack rates and increases chances of surviving predator attacks. However, evidence for these conclusions is nearly always based on observations of selected species under artificial conditions....

SynPaFlex-Corpus

Damien Lolive & Aghilas Sini
This resource is an expressive French audiobooks corpus containing eighty seven hours of good audio quality speech, recorded by a single amateur speaker reading audiobooks of different literary genres. This corpus departs from existing corpora collected from audiobooks since they usually provide a few hours of mono-genre and multi-speaker speech. The motivation for setting up such a corpus is to explore expressiveness from different perspectives, such as discourse styles, prosody, and pronunciation, and using different...

Evolution of putative barrier loci at an intermediate stage of speciation with gene flow in campions (Silene)

Xiaodong Liu, Xiaodong Liu, Sylvain Glemin & Sophie Karrenberg
Understanding the origin of new species is a central goal in evolutionary biology. Diverging lineages often evolve highly heterogeneous patterns of genetic differentiation; however, the underlying mechanisms are not well understood. We investigated evolutionary processes governing genetic differentiation between the hybridizing campions Silene dioica (L.) Clairv. and S. latifolia Poiret. Demographic modeling indicated that the two species diverged with gene flow. The best-supported scenario with heterogeneity in both migration rate and effective population size suggested...

Third and fourth trophic level composition shift in an aphid-parasitoid-hyperparasitoid food web limits aphid control in an intercropping system

Emma Jeavons, Joan Van Baaren, Anne Le Ralec, Christelle Buchard, Franck Duval, Stéphanie Llopis, Estelle Postic & Cécile Le Lann
1. Understanding how resource diversification affects ecological interactions, food web structure and ecosystem functioning is essential in both fundamental and applied ecology. While plant diversification strategies (either in- or around-field) are often proposed in agricultural landscapes as practices to improve the biological control of herbivores by natural enemies, results remain variable and unsure. 2. Here, we studied the effect of an in-field diversification practice (the intercropping of leguminous crops within cereal fields, an increasingly common...

Targeting the KRAS α4-α5 allosteric interface inhibits pancreatic cancer tumorigenesis

Imran Khan, Catherine Marelia-Bennet, Julia Lefler, Mariyam Zuberi, Eric Denbaum, Akiko Koide, Dean M. Connor, Ann-Marie Broome, Thierry Pécot, Cynthia Timmers, Michael C. Ostrowski, Shohei Koide & John P. O’Bryan
RAS is the most frequently mutated oncogene in human cancer with nearly ~20% of cancer patients possessing mutations in one of three RAS genes (K, N or HRAS). However, KRAS is mutated in nearly 90% of pancreatic ductal carcinomas (PDAC). Although pharmacological inhibition of RAS has been challenging, KRAS(G12C)-specific inhibitors have recently entered the clinic. While KRAS(G12C) is frequently expressed in lung cancers, it is rare in PDAC. Thus, more broadly efficacious RAS inhibitors are...

Data from: Crop pests and predators exhibit inconsistent responses to surrounding landscape composition

Daniel S. Karp, Rebecca Chaplin-Kramer, Timothy D. Meehan, Emily A. Martin, Fabrice DeClerck, Heather Grab, Claudio Gratton, Lauren Hunt, Ashley E. Larsen, Alejandra Martínez-Salinas, Megan E. O’Rourke, Adrien Rusch, Katja Poveda, Mattias Jonsson, Jay A. Rosenheim, Nancy A. Schellhorn, Teja Tscharntke, Stephen D. Wratten, Wei Zhang, Aaron L. Iverson, Lynn S. Adler, Matthias Albrecht, Audrey Alignier, Gina M. Angelella, Muhammad Zubair Anjum … & Yi Zou
The idea that noncrop habitat enhances pest control and represents a win–win opportunity to conserve biodiversity and bolster yields has emerged as an agroecological paradigm. However, while noncrop habitat in landscapes surrounding farms sometimes benefits pest predators, natural enemy responses remain heterogeneous across studies and effects on pests are inconclusive. The observed heterogeneity in species responses to noncrop habitat may be biological in origin or could result from variation in how habitat and biocontrol are...

Data from: Gliding for a free lunch: biomechanics of foraging flight in Common Swifts (Apus apus)

Tyson Hedrick, Cecile Pichot & Emmanuel De Margerie
Although the biomechanics of animal flight have been well studied in laboratory apparatus such as wind tunnels for many years, the applicability of these data to natural flight behaviour has been examined in few instances and mostly in the context of long-distance migration. Here we use rotational stereo-videography to record the free-flight trajectories of foraging common swifts. We find that despite their exquisite manoeuvring capabilities, the swifts only rarely performed high-acceleration turns. More surprisingly, we...

Data from: Habitat specialization and climate affect arthropod fitness: a comparison of generalist vs. specialist spider species in Arctic and temperate biomes

Camille Ameline, Charlène Puzin, Joseph J. Bowden, Kevin Lambeets, Philippe Vernon & Julien Pétillon
Life history trade-offs are a key notion in evolutionary biology, notably for understanding how selection shapes the diversity of traits among species. Despite the frequent study of such trade-offs, few studies synchronously investigate the effects of multiple factors, such as niche specialization and adaptation to harsh environments. We compared reproduction (fecundity and egg quality) in two sympatric couples (one habitat generalist and one specialist) of congeneric wolf spider species, in both Arctic and temperate habitats....

Data from: Using genetic tools to estimate the prevalence of non-native red deer (Cervus elaphus) in a Western European population

Alain C. Frantz, Frank E. Zachos, Sabine Bertouille, Marie-Christine Eloy, Marc Colyn & Marie-Christine Flamand
Game species like the red deer have been subjected to anthropogenic impacts for centuries. Translocations are often carried out—sometimes illegally—not only for sporting purposes, but also to increase trophy quality, reduce inbreeding, or mitigate bottlenecks after excessive persecution. Apart from the blurring of large-scale genetic structure, translocations without adequate quarantine measure risk introducing pathogens into potentially immunologically naïve populations. It is therefore important to understand the frequency of clandestine translocations. Identification of non-autochthonous animals and...

Data from: Shells of the bivalve Astarte moerchi give new evidence of a strong pelagic-benthic coupling shift occurring since the late 1970s in the NOW Polynya

Frederic Olivier, Blandine Gaillard, Julien Thébault, Tarik Meziane, Réjean Tremblay, Dany Dumont, Simon Bélanger, Michel Gosselin, Aurélie Jolivet, Laurent Chauvaud, André L. Martel, Søren Rysgaard, Anne-Hélène Olivier, Julien Pettré, Jérôme Mars, Silvain Gerber & Philippe Archambault
Climate changes in the Arctic may weaken the currently tight pelagic-benthic coupling. In response to decreasing sea ice cover, arctic marine systems are expected to shift from a ‘sea-ice algae-benthos’ to a ‘phytoplankton-zooplankton’ dominance. We used mollusk shells as bioarchives and fatty acid trophic markers to estimate the effects of the reduction of sea ice cover on the exported food to the seafloor. Bathyal bivalve Astarte moerchi that lives at 600 m depth in northern...

Data from: Do wolf spiders' egg-sacs emit tactochemical signals perceived by mothers?

Fanny Ruhland, Stefan Schulz, Maxime R. Hervé & Marie Trabalon
Parent-offspring relationships take many forms. One particular form of parental behaviour is egg care when parents brood their eggs after laying them. Parents of many oviparous vertebrates and terrestrial arthropods brood their eggs. Spiders present a particular interesting form of parental behaviour, enclosing their eggs in a silk sac (or egg-sac) and can care for it until spiderlings emerge. This study investigated proximal cues which stimulate the wolf spider Pardosa saltans (Lycosidae) to care for...

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  • University of Rennes 1
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