Phylogenetic analysis of floral integration in Schizanthus (Solanaceae): does pollination truly integrate corolla traits?

abstract：:Natural populations often show genetic variation in parasite resistance, forming the basis for evolutionary response to selection imposed by parasitism. We investigated whether previous epidemics selected for higher resistance to novel parasite isolates in a Daphnia galeata-microparasite system by comparing susceptibi...

journal_title：Journal of evolutionary biology

authors： Schoebel CN,Wolinska J,Spaak P

更新日期：2010-11-01 00:00:00

abstract：:Natural selection ultimately acts on genes and other DNA sequences. Adaptations that are good for the gene can have adverse effects at higher levels of organization, including the individual or the population. Mobile genetic elements illustrate this principle well, because they can self-replicate within a genome at a ...

journal_title：Journal of evolutionary biology

authors： Rankin DJ,Bichsel M,Wagner A

更新日期：2010-11-01 00:00:00

abstract：:It has been suggested that polyandry allows females to increase offspring genetic diversity and reduce the prevalence and susceptibility of their offspring to infectious diseases. We tested this hypothesis in wild-derived house mice (Mus musculus) by experimentally infecting the offspring from 15 single- and 15 multip...

journal_title：Journal of evolutionary biology

authors： Thonhauser KE,Raveh S,Thoß M,Penn DJ

更新日期：2016-06-01 00:00:00

abstract：:Ecological speciation is facilitated when divergent adaptation has direct effects on selective mating. Divergent sensory adaptation could generate such direct effects, by mediating both ecological performance and mate selection. In aquatic environments, light attenuation creates distinct photic environments, generatin...

journal_title：Journal of evolutionary biology

authors： Wright DS,van Eijk R,Schuart L,Seehausen O,Groothuis TGG,Maan ME

更新日期：2019-12-10 00:00:00

abstract：:The nutrient limitation hypothesis provides a nongenetic explanation for the evolution of life cycles that retain both haploid and diploid phases: differences in nutrient requirements and uptake allow haploids to override the potential genetic advantages provided by diploidy under certain nutrient limiting conditions....

journal_title：Journal of evolutionary biology

authors： Mable BK

更新日期：2001-01-08 00:00:00

abstract：:Genome scans have made it possible to find outlier markers thought to have been influenced by divergent selection in almost any wild population. However, the lack of genomic information in nonmodel species often makes it difficult to associate these markers with certain genes or chromosome regions. Furthermore, the ex...

journal_title：Journal of evolutionary biology

authors： Lundberg M,Akesson S,Bensch S

更新日期：2011-06-01 00:00:00

abstract：:Many species delay development unless particular environments or rare disturbance events occur. How can such a strategy be favoured over continued development? Typically, it is assumed that continued development (e.g. germination) is not advantageous in environments that have low juvenile/seedling survival (mechanism ...

journal_title：Journal of evolutionary biology

authors： Scott MF,Otto SP

更新日期：2014-10-01 00:00:00

abstract：:Assessing processes of geographic expansion in contact zones is a crucial step towards an accurate prediction of the evolution of species genetic diversity. The geographic distribution of cytonuclear discordance often reflects genetic introgression patterns across a species geographic range. Antirrhinum majus pseudoma...

journal_title：Journal of evolutionary biology

authors： Khimoun A,Burrus M,Andalo C,Liu ZL,Vicédo-Cazettes C,Thébaud C,Pujol B

更新日期：2011-07-01 00:00:00

abstract：:Recent contributions from DNA sequences have revolutionized our concept of systematic relationships in angiosperms. However, parts of the angiosperm tree remain unclear. Previous studies have been based on coding or rDNA regions of relatively conserved genes. A phylogeny for basal angiosperms based on noncoding, fast-...

journal_title：Journal of evolutionary biology

authors： Borsch T,Hilu KW,Quandt D,Wilde V,Neinhuis C,Barthlott W

更新日期：2003-07-01 00:00:00

abstract：:We used a crossing experiment to investigate post-zygotic barriers that might limit introgression between a pair of closely-related, gynodioecious plant species--the widespread weed Silene vulgaris and the local Swedish endemic S. uniflora ssp. petraea. The study not only considered the effects of hybridization on con...

journal_title：Journal of evolutionary biology

authors： Andersson S,Månsby E,Prentice HC

更新日期：2008-09-01 00:00:00

abstract：:Many hypotheses explaining the evolution and maintenance of sexual cannibalism incorporate the nutritional aspect of the consumption of males. Most studies have focused on a fecundity advantage through consumption of a male; however, recent studies have raised the intriguing possibility that consumption of a male may ...

journal_title：Journal of evolutionary biology

authors： Deventer SA,Herberstein ME,Mayntz D,O'Hanlon JC,Schneider JM

更新日期：2017-12-01 00:00:00

abstract：:Although heritability estimates for traits potentially under natural selection are increasingly being reported, their estimation remains a challenge if we are to understand the patterns of adaptive phenotypic change in nature. Given the potentially important role of selection on the early life phenotype, and thereby o...

journal_title：Journal of evolutionary biology

authors： Páez DJ,Morrissey M,Bernatchez L,Dodson JJ

更新日期：2010-04-01 00:00:00

abstract：:It is a challenge to measure sexual selection because both stochastic events (chance) and deterministic factors (selection) generate variation in individuals' reproductive success. Most researchers realize that random events ('noise') make it difficult to detect a relationship between a trait and mating success (i.e. ...

journal_title：Journal of evolutionary biology

authors： Jennions MD,Kokko H,Klug H

更新日期：2012-03-01 00:00:00

abstract：:Understanding how phenotypic plasticity evolves and in turn affects the course of evolution is a major challenge in modern biology. By definition, biological species are reproductively isolated, but many animals fail to distinguish between conspecifics and closely related heterospecifics. In some cases, phenotypic pla...

journal_title：Journal of evolutionary biology

authors： Drury JP,Anderson CN,Grether GF

更新日期：2015-08-01 00:00:00

abstract：:Some female pollinating fig wasps (foundresses) re-emerge from figs after oviposition/pollination. We investigated why this occurs in the mutualism between the gynodioecious Ficus montana and Liporrhopalum tentacularis. Re-emergence increased with foundress density in figs and some foundresses oviposited in two male f...

journal_title：Journal of evolutionary biology

authors： Moore JC,Dunn AM,Compton SG,Hatcher MJ

更新日期：2003-11-01 00:00:00

abstract：:Recent studies have advocated a role for mitochondrial DNA (mtDNA) in sperm competition. This is controversial because earlier theory and empirical work suggested that mitochondrial genetic variation for fitness is low. Yet, such studies dealt only with females and did not consider that variation that is neutral when ...

journal_title：Journal of evolutionary biology

authors： Friberg U,Dowling DK

更新日期：2008-11-01 00:00:00

abstract：:One of the most important defensive host traits against brood parasitism is the detection and ejection of parasitic eggs from their nests. Here, we explore the possible role of olfaction in this defensive behaviour. We performed egg-recognition tests in magpie Pica pica nests with model eggs resembling those of parasi...

journal_title：Journal of evolutionary biology

authors： Soler JJ,Pérez-Contreras T,De Neve L,Macías-Sánchez E,Møller AP,Soler M

更新日期：2014-06-01 00:00:00

abstract：:Evolutionary theory predicts that divergent selection pressures across elevational gradients could cause adaptive divergence and reproductive isolation in the process of ecological speciation. Although there is substantial evidence for adaptive divergence across elevation, there is less evidence that this restricts ge...

journal_title：Journal of evolutionary biology

authors： Funk WC,Murphy MA,Hoke KL,Muths E,Amburgey SM,Lemmon EM,Lemmon AR

更新日期：2016-02-01 00:00:00

abstract：:Mimetic systems allow us to address the question of whether the same genes control similar phenotypes in different species. Although widespread parallels have been found for major effect loci, much less is known about genes that control quantitative trait variation. In this study, we identify and compare the loci that...

journal_title：Journal of evolutionary biology

authors： Bainbridge HE,Brien MN,Morochz C,Salazar PA,Rastas P,Nadeau NJ

更新日期：2020-11-01 00:00:00

abstract：:Parasitism has been proposed as a factor in host speciation, as an agent affecting coexistence of host species in species-rich communities and as a driver of post-speciation diversification. Young adaptive radiations of closely related host species of varying ecological and genomic differentiation provide interesting ...

journal_title：Journal of evolutionary biology

authors： Karvonen A,Wagner CE,Selz OM,Seehausen O

更新日期：2018-09-01 00:00:00

abstract：:Characterizing patterns of observed current variation, and testing hypotheses concerning the potential drivers of this variation, is fundamental to understanding how morphology evolves. Phylogenetic history, size and ecology are all central components driving the evolution of morphological variation, but only recently...

journal_title：Journal of evolutionary biology

authors： Openshaw GH,Keogh JS

更新日期：2014-02-01 00:00:00

abstract：:Reproductive barriers and divergence in species' mate recognition systems underlie major models of speciation. However, hybridization between divergent species is common, and classic mechanisms to explain permeable reproductive barriers rarely consider how an individual may attain reproductive success. Alternative mat...

journal_title：Journal of evolutionary biology

authors： Stewart KA,Hudson CM,Lougheed SC

更新日期：2017-02-01 00:00:00

abstract：:Pseudochondrostoma duriense and Achondrostoma oligolepis are two Iberian endemic cyprinid fish species that occur in sympatry over most of their distribution range and that are suspected to hybridize in nature. Here, we employed a combination of mitochondrial and microsatellite markers to explore the extent of introgr...

journal_title：Journal of evolutionary biology

authors： Aboim MA,Mavárez J,Bernatchez L,Coelho MM

更新日期：2010-04-01 00:00:00

abstract：:Certain types of asexual reproduction lead to loss of complementation, that is unmasking of recessive deleterious alleles. A theoretical measure of this loss is calculated for apomixis, automixis and endomitosis in the cases of diploidy and polyploidy. The effect of the consequent unmasking of deleterious recessive mu...

journal_title：Journal of evolutionary biology

authors： Archetti M

更新日期：2004-09-01 00:00:00

abstract：:The Red Queen hypothesis predicts that sex should be more common in populations heavily infested with parasites, than in those without. This hypothesis was investigated in the aquatic snail Melanoides tuberculata, in which both sexual and parthenogenetic individuals exist in natural populations, and some populations a...

journal_title：Journal of evolutionary biology

authors： Ben-Ami F,Heller J

更新日期：2005-01-01 00:00:00

abstract：:In Drosophila melanogaster, mating radically transforms female physiology and behaviour. Post-mating responses include an increase in the oviposition rate, a reduction in female receptivity and an activation of the immune system. The fitness consequences of mating are similarly dramatic--females must mate once in orde...

journal_title：Journal of evolutionary biology

authors： Innocenti P,Morrow EH

更新日期：2009-05-01 00:00:00

abstract：:For 8 years I have been pursuing in print an ambitious and at times highly technical programme of work, the 'Formal Darwinism Project', whose essence is to underpin and formalize the fitness optimization ideas used by behavioural ecologists, using a new kind of argument linking the mathematics of motion and the mathem...

journal_title：Journal of evolutionary biology

authors： Grafen A

更新日期：2007-07-01 00:00:00

abstract：:We examined the selective consequences of variation in behaviour and endocrine physiology in two female throat-colour morphs of the lizard, Uta stansburiana in the wild. Female morphs differed in home-range distribution patterns and corticosterone levels in relation to the density and frequency of their female neighbo...

journal_title：Journal of evolutionary biology

authors： Comendant T,Sinervo B,Svensson EI,Wingfield J

更新日期：2003-09-01 00:00:00

abstract：:Nectar robbing not only affects the reproductive fitness of the plant but it may also potentially affect the pollination dynamics of the associated coflowering individuals. In this study, we established that the nectar robber Xylocopa sinensis robs nectar only from the hermaphrodite ramets of the gynodioecious plant G...

journal_title：Journal of evolutionary biology

authors： Zhang YW,Yang CF,Zhao JM,Guo YH

更新日期：2009-03-01 00:00:00

abstract：:Lifespan and ageing are strongly affected by many environmental factors, but the effects of social environment on these life-history traits are not well understood. We examined effects of social interaction on age-specific mortality rate in the sexually dimorphic neriid fly Telostylinus angusticollis. We found that al...

journal_title：Journal of evolutionary biology

authors： Adler MI,Bonduriansky R

更新日期：2011-06-01 00:00:00