A5035438663- Evolution and Genetic Dynamics
- Evolutionary Game Theory and Cooperation
- Mathematical and Theoretical Epidemiology and Ecology Models
- Fish Ecology and Management Studies
- Plant and animal studies
- Fish biology, ecology, and behavior
- Animal Behavior and Reproduction
- Ecology and Vegetation Dynamics Studies
- Physiological and biochemical adaptations
- Evolution and Paleontology Studies
- Genetic diversity and population structure
- Wildlife Ecology and Conservation
- Amphibian and Reptile Biology
- Morphological variations and asymmetry
- Fish Biology and Ecology Studies
- Genetics, Aging, and Longevity in Model Organisms
- Animal Ecology and Behavior Studies
- Plant Parasitism and Resistance
- Neurobiology and Insect Physiology Research
- Insect and Arachnid Ecology and Behavior
- Species Distribution and Climate Change
- Water Quality Monitoring Technologies
- Plant nutrient uptake and metabolism
- Demographic Trends and Gender Preferences
- Bat Biology and Ecology Studies
Sorbonne Université
2014-2024
Université Paris-Est Créteil
2014-2024
Institut d'écologie et des sciences de l'environnement de Paris
2014-2024
Centre National de la Recherche Scientifique
2014-2024
Institut de Recherche pour le Développement
2014-2024
Naturalis Biodiversity Center
2014-2024
Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
2020-2024
Cereep Ecotron Île-de-France
2016-2020
École Normale Supérieure - PSL
2011-2014
Université Paris Cité
2014
The haplochromine cichlids of Lake Victoria constitute a classical example explosive speciation. Extensive intra- and interspecific variation in male nuptial coloration female mating preferences, the absence postzygotic isolation between species, has inspired hypothesis that sexual selection been driving force origin this species flock. This rests on premise phenotypic traits underlie behavioural reproductive sister diverged under within species. We test cichlid, by using laboratory...
Abstract Species richness is distributed unevenly across the tree of life and this may be influenced by evolution novel phenotypes that promote diversification. Viviparity has originated ∼150 times in vertebrates considered to an adaptation highly variable environments. Likewise, possessing annual cycle common plants insects, where it enables colonization seasonal environments, but rare vertebrates. The extent which these reproductive life-history traits have enhanced diversification their...
Abstract There is renewed interest in whether environmentally induced changes phenotypes can be heritable. In plants, heritable trait variation occur without DNA sequence mutations through epigenetic mechanisms involving methylation. However, it remains unknown this alternative system of inheritance responds to environmental and if provide a rapid way for plants generate adaptive phenotypic variation. To assess potential transgenerational effects by the environment, we subjected four natural...
Abstract Kings and queens of eusocial termites can live for decades, while sustain a nearly maximal fertility. To investigate the molecular mechanisms underlying their long lifespan, we carried out transcriptomics, lipidomics metabolomics in Macrotermes natalensis on sterile short-lived workers, long-lived kings five stages spanning twenty years adult queen maturation. Reproductives share gene expression differences from workers agreement with reduction several aging-related processes,...
Organisms can have divergent paths of development leading to alternative phenotypes, or morphs. The choice developmental path may be set by environmental cues, the individual's genotype, a combination two. Using individual-based simulation and analytical investigation, we explore idea that from viewpoint switch, genetic morph determination sometimes regarded as adaptive plasticity. We compare possibilities for evolution combinations two in situations with spatial variation conditions. find...
Abstract In most animal taxa, longevity increases with body size across species, as predicted by the oxidative stress theory of aging. contrast, in within‐species comparisons mammals and especially domestic dogs (e.g. Patronek et al., '97 ; Michell, '99 Egenvall 2000 Speakman 2003 ), decreases size. We explore two datasets for find support a negative relationship between if we consider variation breeds. Within breeds, however, is not slightly, but significantly, positive larger datasets. The...
Why do all mammals, except for sloths and manatees, have exactly seven cervical vertebrae? In other vertebrates regions, the vertebral number varies considerably. We investigated whether natural selection constrains of vertebrae in humans. To this end, we determined incidence ribs homeotic changes radiographs deceased human fetuses infants, analyzed several existing datasets on infants adults. Our data show that transformations change are extremely common humans, but strongly selected...
The mammalian vertebral column is highly variable, reflecting adaptations to a wide range of lifestyles, from burrowing in moles flying bats. However, many taxa, the number trunk vertebrae surprisingly constant. We argue that this constancy results strong selection against initial changes these numbers fast running and agile mammals, whereas such weak slower-running, sturdier mammals. rationale require homeotic transformations into sacral vertebrae, or vice versa, mutations toward generally...
Levins's fitness set approach has shaped the intuition of many evolutionary ecologists about resource specialization: if possible phenotypes is convex, a generalist favored, while either two specialists predicted for concave phenotype sets. An important aspect that it explicitly excludes frequency‐dependent selection. Frequency dependence emerged in series models studied degree character displacement consumers coexisting on resources. Surprisingly, dynamics single consumer type under...
Abstract Motivation The understanding of physiological adaptations, evolutionary radiations and ecological responses to global change urges for global, comprehensive databases the functional traits extant organisms. ability maintain an adequate water balance is a critical property influencing resilience animal species climate variation. In terrestrial or semi‐terrestrial organisms, total loss includes significant contribution from evaporative (EWL). analysis geographic phylogenetic variation...
The evolutionary outcome of interspecific hybridization, i.e. collapse species into a hybrid swarm, persistence or even divergence with reinforcement, depends on the balance between gene flow and selection against hybrids. If female mating preferences are open-ended but sign-inversed species, they can theoretically be source such selection. Cichlid fish in African lakes have sustained high rates speciation despite evidence for widespread sexual by choice has been proposed as important origin...
Twenty years ago, Bulmer and Bull suggested that disruptive selection, produced by environmental fluctuations, can result in an evolutionary transition from sex determination (ESD) to genetic (GSD). We investigated the feasibility of such a process, using mutation-limited adaptive dynamics individual-based computer simulations. Our model describes evolution reaction norm for metapopulation setting with partial migration variation variable both within between local patches. The represents...
Journal Article HANDEDNESS AND ASYMMETRY IN SCALE-EATING CICHLIDS: ANTISYMMETRIES OF DIFFERENT STRENGTH Get access Tom J. M. Van Dooren, Dooren Institute of Biology, P.O. Box 9502, 2300 RA Leiden, The NetherlandsNational Museum Natural History "Naturalis," 9517, NetherlandsE-mail: tvdooren@gmail.com Search for other works by this author on: Oxford Academic Google Scholar Henk A. Goor, Goor Netherlands Maaike Putten Evolution, Volume 64, Issue 7, 1 July 2010, Pages 2159–2165,...
We analyze the consequences of diet choice behavior for evolutionary dynamics foraging traits by means a mathematical model. The model is characterized following features. Consumers feed on two different substitutable resources that are distributed in fine-grained manner. On encounter with resource item, consumers decide whether to attack it so as maximize their energy intake. Simultaneously, change occurs morphological involved process. assumption here evolution constrained trade-off...
Twenty years ago, Bulmer and Bull suggested that disruptive selection, produced by environmental fluctuations, can result in an evolutionary transition from sex determination (ESD) to genetic (GSD). We investigated the feasibility of such a process, using mutation-limited adaptive dynamics individual-based computer simulations. Our model describes evolution reaction norm for metapopulation setting with partial migration variation variable both within between local patches. The represents...
Summary Serotiny, the retention of mature seeds in closed fruits within canopy for over a year, is common trait fire‐prone environments. When competition with adult plants prevents seedling establishment between fire events and absence post‐release soil seed dormancy, strong serotiny, i.e. all until next fire, appears as best strategy. Despite low levels inter‐fire recruitment several species both Australian South African environments, considerable variation duration fruit nevertheless...
Diapause is a developmental arrest present in annual killifish, whose eggs are able to survive long periods of desiccation when the temporary ponds they inhabit dry up. can occur three different stages. These differ, within and between species, their responsiveness environmental cues. A role plasticity genetic assimilation diapause evolution has been previously suggested but not experimentally explored. We investigated whether plastic delays or arrests provoked by an unusual extreme...
Abstract Sexual selection by female mating preference for male nuptial coloration has been suggested as a driving force in the rapid speciation of Lake Victoria cichlid fish. This process could have facilitated or accelerated genetic associations between loci and loci. Preferences, well coloration, are heritable traits probably determined more than one gene. However, little is known about potential these traits. In turbid water, we found population that variable from blue to yellow red....
Among metazoan species, left-right reversals in primary asymmetry have rarely gone to fixation. This suggests that a general mechanism suppresses the evolution of polarity reversal. Most metazoans appear externally symmetric and reproduce by external fertilization or copulation with genitalia located midline. Thus, reversal should generate little exogenous disadvantage when interacting environment mating common wild-type. Accordingly, an endogenously caused fitness reduction may be...