Genomes and Genes
Affiliation: University of Cambridge
- The evolution of trans-generational altruism: kin selection meets niche constructionL Lehmann
Department of Genetics, University of Cambridge, Cambridge, UK
J Evol Biol 20:181-9. 2007....
- Natural selection on fecundity variance in subdivided populations: kin selection meets bet hedgingLaurent Lehmann
Department of Genetics, University of Cambridge, CB2 3EH Cambridge, United Kingdom
Genetics 176:361-77. 2007..The evolutionary dynamics of all three traits are markedly affected by variance in offspring number, although to a different extent and under different demographic conditions...
- An evolutionary analysis of the relationship between spite and altruismL Lehmann
Laboratory of Ecological and Evolutionary Dynamic, Department of Biological and Environmental Sciences, 00014 University of Helsinki, Helsinki, Finland
J Evol Biol 19:1507-16. 2006..Further, deme size and migration rate determine whether harming evolves as a selfish strategy by increasing the fitness of the actor, or as a spiteful/altruistic strategy through its positive effect on the fitness of close kin...
- Mate choice evolution, dominance effects, and the maintenance of genetic variationLaurent Lehmann
Laboratory of Ecological and Evolutionary Dynamic, Department of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
J Theor Biol 244:282-95. 2007..Overall, our model indicates that various forms of heterozygote-favouring (or variable) female choice pose a problem for the theory of sexual ornamentation based on indirect benefits, rather than a solution...
- Population demography and the evolution of helping behaviorsLaurent Lehmann
Department of Genetics, University of Cambridge, Downing Street, Cambridge CB2 3EH, United Kingdom
Evolution 60:1137-51. 2006..When fecundity is above its value maximizing deme size (oversaturation), helping may also evolve, but only if it reduces negative density-dependent competition...
- The evolution of cooperation and altruism--a general framework and a classification of modelsL Lehmann
Department of Ecology and Evolution, University of Lausanne, Biophore, 1015 Lausanne, Switzerland
J Evol Biol 19:1365-76. 2006..All the models proposed so far are explicitly or implicitly built on these general principles, allowing us to classify them into four general categories...
- Dynamics and genetic structure of Argentine ant supercolonies in their native rangeValérie Vogel
Department of Ecology and Evolution, University of Lausanne, Biophore, CH 1015 Lausanne, Switzerland
Evolution 63:1627-39. 2009..This dynamic is likely to involve strong competition between supercolonies and thus act as a potent selective force maintaining unicoloniality over evolutionary time...
- Effects of brood manipulation costs on optimal sex allocation in social hymenopteraMax Reuter
Department of Ecology and Evolution, University of Lausanne, Batiment de Biologie, 1015 Lausanne, Switzerland
Am Nat 164:E73-82. 2004..While linear and accelerating cost functions generate monomorphic equilibria, decelerating costs lead to a process of evolutionary branching and hence split sex ratios...
- The population genetics of clonal and partially clonal diploidsFrancois Balloux
I C A P B, University of Edinburgh, Edinburgh EH9 3JT, Scotland, United Kingdom
Genetics 164:1635-44. 2003....
- SAK/PLK4 is required for centriole duplication and flagella developmentM Bettencourt-Dias
Cancer Research UK Cell Cycle Genetics Research Group, Department of Genetics, University of Cambridge, Downing Street, Cambridge CB2 3EH, United Kingdom
Curr Biol 15:2199-207. 2005..SAK-/- mice die during embryogenesis, whereas SAK+/- mice develop liver and lung tumors and SAK+/- MEFs show mitotic abnormalities. However, the mechanism underlying these phenotypes is still not known...
- The evolution of social discounting in hierarchically clustered populationsLaurent Lehmann
Department of Ecology and Evolution, University of Lausanne, UNIL Sorge, Lausanne, Switzerland
Mol Ecol 21:447-71. 2012....
- On metapopulation resistance to drift and extinctionLaurent Lehmann
Department of Ecology and Evolution, University of Lausanne, CH 1015 Lausanne, Switzerland
Ecology 87:1844-55. 2006..We then illustrate with numerical examples how conflicting demands may be resolved...
- The demographic benefits of belligerence and bravery: defeated group repopulation or victorious group size expansion?Laurent Lehmann
Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland
PLoS ONE 6:e21437. 2011..The analysis also suggests that, depending on the shape of the contest success function, costly bravery can evolve in groups of any size...
- Random mating with a finite number of matingsFrancois Balloux
Department of Genetics, University of Cambridge, Cambridge CB2 3EH, United Kingdom
Genetics 165:2313-5. 2003..This is obviously unrealistic. Here we show that when each female mates a finite number of times, the effective size of the population is substantially decreased...
- How institutions shaped the last major evolutionary transition to large-scale human societiesSimon T Powers
Department of Ecology and Evolution, University of Lausanne, Lausanne 1015, Switzerland
Philos Trans R Soc Lond B Biol Sci 371:20150098. 2016..This allowed anatomically modern humans to create institutions that transformed the self-reliance of our primate ancestors into the division of labour of large-scale human social organization. ..
- When is bigger better? The effects of group size on the evolution of helping behavioursSimon T Powers
Department of Ecology and Evolution, University of Lausanne, CH 1015, Lausanne, Switzerland
Biol Rev Camb Philos Soc . 2016..Finally, we discuss how individually devised institutions can foster the transition from small-scale to large-scale cooperative groups in human evolution...
- An evolutionary model explaining the Neolithic transition from egalitarianism to leadership and despotismSimon T Powers
Department of Ecology and Evolution, University of Lausanne, 1015 Lausanne, Switzerland
Proc Biol Sci 281:20141349. 2014..Empirical evidence suggests that these conditions were probably met, for the first time, during the subsistence intensification of the Neolithic. ..
- On learning dynamics underlying the evolution of learning rulesSlimane Dridi
Department of Ecology and Evolution, University of Lausanne, Switzerland
Theor Popul Biol 91:20-36. 2014..Overall, our analyses illustrate the usefulness of applying stochastic approximation theory in the study of animal learning. ..
- The genetical theory of social behaviourLaurent Lehmann
Department of Ecology and Evolution, UNIL Sorge, Le Biophore, 1015 Lausanne, Switzerland
Philos Trans R Soc Lond B Biol Sci 369:20130357. 2014..Finally, we clarify some persistent divergences within social evolution theory, with respect to exactness, synergies, maximization, dynamic sufficiency and the role of genetic arguments. ..
- The co-evolution of social institutions, demography, and large-scale human cooperationSimon T Powers
Department of Ecology and Evolution, University of Lausanne, CH 1015, Lausanne, Switzerland
Ecol Lett 16:1356-64. 2013..We then demonstrate conditions where the co-evolution of cooperation, institutions, and demographic carrying capacity creates a transition from small- to large-scale social groups...
- The stationary distribution of a continuously varying strategy in a class-structured population under mutation-selection-drift balanceLaurent Lehmann
Department of Ecology and Evolution, UNIL Sorge, Le Biophore, Lausanne, Switzerland
J Evol Biol 25:770-87. 2012....
- Inbreeding avoidance through kin recognition: choosy females boost male dispersalLaurent Lehmann
Institute of Ecology, University of Lausanne, CH 1015, Lausanne, Switzerland
Am Nat 162:638-52. 2003..Our model also shows that female choosiness should decline rapidly with search costs, stemming from, for example, reproductive delays. Species under strong time constraints on reproduction should thus be tolerant of inbreeding...
- Strong reciprocity or strong ferocity? A population genetic view of the evolution of altruistic punishmentLaurent Lehmann
Morrison Institute for Population and Resource Studies, Stanford University, Stanford, California 94305, USA
Am Nat 170:21-36. 2007..Overall, our results delineate the conditions under which strong reciprocity is selected for in a spatially structured population and highlight that the forces behind its evolution involves kinship (be it genetic or cultural)...
- Molecular epidemiology of clonal diploids: a quick overview and a short DIY (do it yourself) noticeThierry de Meeus
Génétique et Evolution des Maladies Infectieuses, Equipe Evolution des Systèmes Symbiotiques, UMR2724 CNRS IRD, BP 64501, 911 Av Agropolis, 34394 Montpellier Cedex 5, France
Infect Genet Evol 6:163-70. 2006..This information is then used for building recipes on how to analyse and interpret genetic polymorphism data in molecular epidemiology studies of clonal diploids...
- Evolutionary biology: genetics and bisexualityVincent Savolainen
Nature 445:158-9. 2007
- Group selection and kin selection: two concepts but one processLaurent Lehmann
Morrison Institute for Population and Resource Studies, Stanford University, Stanford, CA 94305, USA
Proc Natl Acad Sci U S A 104:6736-9. 2007..Our retrospective analyses of Traulsen and Nowak's model illustrate that it is possible to convert group selection models to kin selection models without disturbing the mathematics describing the net effect of selection on cooperation...
- Cultural transmission can inhibit the evolution of altruistic helpingLaurent Lehmann
Department of Biological Sciences, Stanford University, Stanford, California 94305, USA
Am Nat 172:12-24. 2008..In these cases, selection for harming behavior (decreasing the payoff to neighbors) may occur rather than selection for helping...
- Population viscosity can promote the evolution of altruistic sterile helpers and eusocialityLaurent Lehmann
Department of Biological Sciences, Stanford University, Stanford, CA 94305 5020, USA
Proc Biol Sci 275:1887-95. 2008..This has relevant consequences for our understanding of the evolution of altruism in social organisms, as many social insects are characterized by limited dispersal and significant genetic population structure...
- The spread of incompatibility-inducing parasites in sub-divided host populationsMax Reuter
Research Department for Genetics, Evolution and Environment, Faculty of Life Sciences, University College London, Wolfson House, 4 Stephenson Way, London, NW1 2HE, UK
BMC Evol Biol 8:134. 2008..Nevertheless, a previous model concluded that variance in infection between competing groups of breeding individuals impedes the spread of CI...
- The co-evolution of culturally inherited altruistic helping and cultural transmission under random group formationLaurent Lehmann
Department of Biological Sciences, Stanford University, USA
Theor Popul Biol 73:506-16. 2008....
- The adaptive dynamics of niche constructing traits in spatially subdivided populations: evolving posthumous extended phenotypesLaurent Lehmann
Stanford University, California 94305, USA
Evolution 62:549-66. 2008..To illustrate these points, I derive the adaptive dynamics of a trait involved in the consumption of an abiotic resource, where resource abundance in future generations feeds back to the evolutionary dynamics of the trait...
- Adaptation to experimental alterations of the operational sex ratio in populations of Drosophila melanogasterMax Reuter
Department of Biology, University College London, London, United Kingdom
Evolution 62:401-12. 2008..We discuss these results with respect to reproductive evolution, genetic drift in natural and experimental populations, and consequences of natural sex ratio distortion...