abstract：:Identifying the genetic basis of parallel phenotypic evolution provides insight into the process of adaptation and evolutionary constraint. White clover (Trifolium repens) has evolved climate-associated adaptive clines in cyanogenesis (the ability to produce hydrogen cyanide upon tissue damage) in several world region...

journal_title：Journal of evolutionary biology

authors： Kooyers NJ,Olsen KM

更新日期：2014-11-01 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：:Body size is often constrained from evolving. Although artificial selection on body size in insects frequently results in a sizable response, these responses usually bear fitness costs. Further, these experiments tend to select only on size at one landmark age, rather than selecting for patterns of growth over the who...

journal_title：Journal of evolutionary biology

authors： Irwin KK,Carter PA

更新日期：2014-10-01 00:00:00

abstract：:Understanding the genetic bases of biological diversification is a long-standing goal in evolutionary biology. Here, we investigate whether replicated cases of adaptive divergence involve the same genomic regions in the pea aphid, Acyrthosiphon pisum, a large complex of genetically differentiated biotypes, each specia...

journal_title：Journal of evolutionary biology

authors： Nouhaud P,Peccoud J,Mahéo F,Mieuzet L,Jaquiéry J,Simon JC

更新日期：2014-09-01 00:00:00

abstract：:The persistence of sexual reproduction in the face of competition from asexual invaders is more likely if asexual lineages are produced infrequently or have low fitness. The generation rate and success of new asexual lineages will be influenced by the proximate mechanisms underlying transitions to asexuality. As such,...

journal_title：Journal of evolutionary biology

authors： Neiman M,Sharbel TF,Schwander T

更新日期：2014-07-01 00:00:00

abstract：:Assortative mating, an ubiquitous form of nonrandom mating, strongly impacts Darwinian fitness and can drive biological diversification. Despite its ecological and evolutionary importance, the behavioural processes underlying assortative mating are often unknown, and in particular, mechanisms not involving mate choice...

journal_title：Journal of evolutionary biology

authors： Taborsky B,Guyer L,Demus P

更新日期：2014-06-01 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：:The presence of phylogenetic signal is assumed to be ubiquitous. However, for microorganisms, this may not be true given that they display high physiological flexibility and have fast regeneration. This may result in fundamentally different patterns of resemblance, that is, in variable strength of phylogenetic signal....

journal_title：Journal of evolutionary biology

authors： Krause S,van Bodegom PM,Cornwell WK,Bodelier PL

更新日期：2014-06-01 00:00:00

abstract：:The social niche specialization hypothesis predicts that group-living animals should specialize in particular social roles to avoid social conflict, resulting in alternative life-history strategies for different roles. Social niche specialization, coupled with role-specific life-history trade-offs, should thus generat...

journal_title：Journal of evolutionary biology

authors： Carter AJ,English S,Clutton-Brock TH

更新日期：2014-05-01 00:00:00

abstract：:The number of mature eggs remaining in the ovaries and the time left for oviposition determine the reproductive decisions of the hyperdiverse guild of insects that require discrete and potentially limiting resources for oviposition (such as seeds, fruits or other insects). A female may run out of eggs before all avail...

journal_title：Journal of evolutionary biology

authors： Deas JB,Hunter MS

更新日期：2014-05-01 00:00:00

abstract：:Adaptive evolution often involves beneficial mutations at more than one locus. In this case, the trajectory and rate of adaptation is determined by the underlying fitness landscape, that is, the fitness values and mutational connectivity of all genotypes under consideration. Drug resistance, especially resistance to m...

journal_title：Journal of evolutionary biology

authors： Engelstädter J

更新日期：2014-05-01 00:00:00

abstract：:The late Pleistocene was a time of environmental change, culminating in an extinction event. Few fossil localities record a temporal series of carnivore fossil populations from this interesting interval as well as Rancho La Brea (RLB). We analysed mandibles of Smilodon fatalis from RLB using 2-D geometric morphometric...

journal_title：Journal of evolutionary biology

authors： Meachen JA,O'Keefe FR,Sadleir RW

更新日期：2014-04-01 00:00:00

abstract：:Besides several exceptions, asexual metazoans are usually viewed as ephemeral sinks for genomes, which become 'frozen' in clonal lineages after their emergence from ancestral sexual species. Here, we investigated whether and at what rate the asexuals are able to introgress their genomes back into the parental sexual p...

journal_title：Journal of evolutionary biology

authors： Mikulíček P,Kautman M,Demovič B,Janko K

更新日期：2014-03-01 00:00:00

abstract：:Theory defines conditions under which sympatric speciation may occur, and several possible examples of the process in action have been identified. In most cases, organisms specialize onto habitats that fall into discrete categories, such as host species used by herbivores and parasites. Ecological specialization withi...

journal_title：Journal of evolutionary biology

authors： Van Buskirk J

更新日期：2014-03-01 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：:Despite the ubiquitous nature of sperm storage in invertebrates, relatively little is known about its costs, or the impact that immune activation can have on a female's ability to maintain viable sperm stores. We explored the effects of an immune challenge on sperm storage under food-limited and ad libitum conditions ...

journal_title：Journal of evolutionary biology

authors： McNamara KB,van Lieshout E,Simmons LW

更新日期：2014-01-01 00:00:00

abstract：:When two species come into contact and interbreed, the production of unfit hybrids can limit or prevent gene flow between the populations, thus maintaining each species' separate identity. The genetic basis of this hybrid dysfunction has recently begun to be elucidated, particularly for hybrid sterility and inviabilit...

journal_title：Journal of evolutionary biology

authors： Dickman CT,Moehring AJ

更新日期：2014-01-01 00:00:00

abstract：:In Tettigoniidae (Orthoptera: Ensifera), hearing organs are essential in mate detection. Male tettigoniids usually produce calling songs by tegminal stridulation, whereas females approach the males phonotactically. This unidirectional communication system is the most common one among tettigoniids. In several tettigoni...

journal_title：Journal of evolutionary biology

authors： Strauß J,Lehmann AW,Lehmann GU

更新日期：2014-01-01 00:00:00

abstract：:Based on ecological and metabolic arguments, some authors predict that adaptation to novel, harsh environments should involve alleles showing negative (diminishing return) epistasis and/or that it should be mediated in part by evolution of maternal effects. Although the first prediction has been supported in microbes,...

journal_title：Journal of evolutionary biology

authors： Vijendravarma RK,Kawecki TJ

更新日期：2013-12-01 00:00:00

abstract：:Growth trajectories often impact individual fitness. They are continuous by nature and so are amenable to analysis using a function-valued (FV) trait framework to reveal their underlying genetic architecture. Previous studies have found high levels of standing additive genetic (co)variance for growth trajectories desp...

journal_title：Journal of evolutionary biology

authors： Irwin KK,Carter PA

更新日期：2013-12-01 00:00:00

abstract：:Adding new taxa to morphological phylogenetic analyses without substantially revising the set of included characters is a common practice, with drawbacks (undersampling of relevant characters) and potential benefits (character selection is not biased by preconceptions over the affinities of the 'retrofitted' taxon). R...

journal_title：Journal of evolutionary biology

authors： Lee MS

更新日期：2013-12-01 00:00:00

abstract：:In vertebrates, changes in cranial modularity can evolve rapidly in response to selection. However, mammals have apparently maintained their pattern of cranial integration throughout their evolutionary history and across tremendous morphological and ecological diversity. Here, we use phylogenetic, geometric morphometr...

journal_title：Journal of evolutionary biology

authors： Santana SE,Lofgren SE

更新日期：2013-11-01 00:00:00

abstract：:Sexual selection has been suggested to be an important driver of speciation in cichlid fishes of the Great Lakes of Africa, and the presence of male egg dummies is proposed to have played a key role. Here, we investigate how mouthbrooding and egg dummies have evolved in Tanganyikan cichlids, the lineage which seeded t...

journal_title：Journal of evolutionary biology

authors： Amcoff M,Gonzalez-Voyer A,Kolm N

更新日期：2013-11-01 00:00:00

abstract：:Even though the importance of selection for trait evolution is well established, we still lack a functional understanding of the mechanisms underlying phenotypic selection. Because animals necessarily use their sensory system to perceive phenotypic traits, the model of sensory bias assumes that sensory systems are the...

journal_title：Journal of evolutionary biology

authors： Renoult JP,Thomann M,Schaefer HM,Cheptou PO

更新日期：2013-11-01 00:00:00

abstract：:The evolution of adaptive phenotypic plasticity relies on the presence of cues that enable organisms to adjust their phenotype to match local conditions. Although mostly studied with respect to nonsocial cues, it is also possible that parents transmit information about the environment to their offspring. Such 'anticip...

journal_title：Journal of evolutionary biology

authors： Uller T,Nakagawa S,English S

更新日期：2013-10-01 00:00:00

abstract：:Sexual differences are often dramatic and widespread across taxa. Their extravagance and ubiquity can be puzzling because the common underlying genome of males and females is expected to impede rather than foster phenotypic divergence. Widespread dimorphism, despite a shared genome, may be more readily explained by co...

journal_title：Journal of evolutionary biology

authors： Wyman MJ,Stinchcombe JR,Rowe L

更新日期：2013-10-01 00:00:00

abstract：:Habitats are spatially and temporally variable, and organisms must be able to track these changes. One potential mechanism for this is dispersal by flight. Therefore, we would expect flying animals to show adaptations in wing shape related to habitat variation. In this work, we explored variation in wing shape in rela...

journal_title：Journal of evolutionary biology

authors： Outomuro D,Dijkstra KD,Johansson F

更新日期：2013-09-01 00:00:00

abstract：:Mutations that are beneficial in one environment can have different fitness effects in other environments. In the context of antibiotic resistance, the resulting genotype-by-environment interactions potentially make selection on resistance unpredictable in heterogeneous environments. Furthermore, resistant bacteria fr...

journal_title：Journal of evolutionary biology

authors： Hall AR

更新日期：2013-08-01 00:00:00

abstract：:Queen pheromones are among the most important chemical messages regulating insect societies yet they remain largely undiscovered, hindering research into interesting proximate and ultimate questions. Identifying queen pheromones in multiple species would give new insight into the selective pressures and evolutionary c...

journal_title：Journal of evolutionary biology

authors： Holman L,Lanfear R,d'Ettorre P

更新日期：2013-07-01 00:00:00

abstract：:Hybridization and gene introgression can occur frequently between closely related taxa, but appear to be rare phenomena among members of the species-rich West Indian radiation of Anolis lizards. We investigated the pattern and possible mechanism of introgression between two sister species from Puerto Rico, Anolis pulc...

journal_title：Journal of evolutionary biology

authors： Jezkova T,Leal M,Rodríguez-Robles JA

更新日期：2013-07-01 00:00:00

abstract：:Genotype-by-genotype interactions demonstrate the existence of variation upon which selection acts in host-parasite systems at respective resistance and infection loci. These interactions can potentially be modified by environmental factors, which would entail that different genotypes are selected under different envi...

journal_title：Journal of evolutionary biology

authors： Cayetano L,Vorburger C

更新日期：2013-07-01 00:00:00

abstract：:Polyandry is perhaps the most puzzling component of mating systems because the fitness benefits for females of mating with more than one male during lifetime are poorly understood. The occurrence and extent of polyandry varies considerably both among and within species, and a positive association between polyandry and...

journal_title：Journal of evolutionary biology

authors： Torres-Vila LM

更新日期：2013-02-01 00:00:00

abstract：:Little is known about how inbreeding alters selection on ecologically relevant traits. Inbreeding could affect selection by changing the distribution of traits and/or fitness, or by changing the causal effect of traits on fitness. Here, I test whether selection on egg size varies with the degree of inbreeding in the s...

journal_title：Journal of evolutionary biology

authors： Fox CW

更新日期：2013-01-01 00:00:00

abstract：:Theoretical studies on the evolution of dispersal in metacommunities are rare despite empirical evidence suggesting that interspecific interactions can modify dispersal behaviour of organisms. To understand the role of species interactions for dispersal evolution, we utilize an individual-based model of a metacommunit...

journal_title：Journal of evolutionary biology

authors： Chaianunporn T,Hovestadt T

更新日期：2012-12-01 00:00:00

abstract：:The tuatara (Sphenodon punctatus) is the only living representative of Rhynchocephalia, a group of small vertebrates that originated about 250 million years ago. The tuatara has been referred to as a living fossil; however, the group to which it belongs included a much greater diversity of forms in the Mesozoic. We ex...

journal_title：Journal of evolutionary biology

authors： Meloro C,Jones ME

更新日期：2012-11-01 00:00:00

abstract：:Theoretical and empirical results demonstrate that the G-matrix, which summarizes additive genetic variances and covariances of quantitative traits, changes over time. Such evolution and fluctuation of the G-matrix could potentially have wide-ranging effects on phenotypic evolution. Nevertheless, no studies have yet a...

journal_title：Journal of evolutionary biology

authors： Jones AG,Bürger R,Arnold SJ,Hohenlohe PA,Uyeda JC

更新日期：2012-11-01 00:00:00

abstract：:Wolbachia are bacterial endosymbionts that manipulate the reproduction of their arthropod hosts. Although theory suggests that infections are frequently lost within host species due to the evolution of resistance, Wolbachia infect a huge number of species worldwide. This apparent paradox suggests that horizontal trans...

journal_title：Journal of evolutionary biology

authors： Zug R,Koehncke A,Hammerstein P

更新日期：2012-11-01 00:00:00

abstract：:Phenotypic traits that convey information about individual identity or quality are important in animal social interactions, and the degree to which such traits are influenced by environmental variation can have profound effects on the reliability of these cues. Using inbred genetic lines of the decorated cricket, Gryl...

journal_title：Journal of evolutionary biology

authors： Weddle CB,Mitchell C,Bay SK,Sakaluk SK,Hunt J

更新日期：2012-10-01 00:00:00

abstract：:Sex chromosomes are expected to evolve suppressed recombination, which leads to degeneration of the Y and heteromorphism between the X and Y. Some sex chromosomes remain homomorphic, however, and the factors that prevent degeneration of the Y in these cases are not well understood. The homomorphic sex chromosomes of t...

journal_title：Journal of evolutionary biology

authors： Guerrero RF,Kirkpatrick M,Perrin N

更新日期：2012-10-01 00:00:00

abstract：:Hosts are armed with several lines of defence in the battle against parasites: they may prevent the establishment of infection, reduce parasite growth once infected or persevere through mechanisms that reduce the damage caused by infection, called tolerance. Studies on tolerance in animals have focused on mortality, a...

journal_title：Journal of evolutionary biology

authors： Vale PF,Little TJ

更新日期：2012-09-01 00:00:00