Complex genotype interactions influence social fitness during the developmental phase of the social amoeba Dictyostelium discoideum.

abstract：:Plants possess a remarkable capacity to alter their phenotype in response to the highly heterogeneous light conditions they commonly encounter in natural environments. In the present study with the weedy annual plant Sinapis arvensis, we (a) tested for the adaptive value of phenotypic plasticity in morphological and l...

journal_title：Journal of evolutionary biology

authors： Steinger T,Roy BA,Stanton ML

更新日期：2003-03-01 00:00:00

abstract：:Ocelli are serially repeated colour patterns on the wings of many butterflies. Eyespots are elaborate ocelli that function in predator avoidance and deterrence as well as in mate choice. A phylogenetic approach was used to study ocelli and eyespot evolution in Vanessa butterflies, a genus exhibiting diverse phenotypes...

journal_title：Journal of evolutionary biology

authors： Abbasi R,Marcus JM

更新日期：2015-11-01 00:00:00

abstract：:Directional selection for plant traits associated with resistance to herbivory tends to eliminate genetic variation in such traits. On the other hand, balancing selection arising from trade-offs between resistance and growth or spatially variable selection acts against the elimination of genetic variation. We explore ...

journal_title：Journal of evolutionary biology

authors： Jormalainen V,Honkanen T

更新日期：2004-07-01 00:00:00

abstract：:In an early challenge to an aspect of Darwin's theory of natural selection, Jackson Mivart contended that milk could not have evolved 'from a scarcely nutritious fluid from an accidentally hypertrophied cutaneous gland'. The evolutionary change from a gland secretion to milk involves an increase in calcium and protein...

journal_title：Journal of evolutionary biology

authors： Holt C,Carver JA

更新日期：2012-07-01 00:00:00

abstract：:The action of natural selection is expected to reduce the effective population size of a nonrecombining chromosome, and this is thought to be the chief factor leading to genetic degeneration of Y-chromosomes, which cease recombining during their evolution from ordinary chromosomes. Low effective population size of Y c...

journal_title：Journal of evolutionary biology

authors： Laporte V,Filatov DA,Kamau E,Charlesworth D

更新日期：2005-03-01 00:00:00

abstract：:Post-copulatory sexual selection, in the form sperm competition, has influenced the evolution of several male reproductive traits. However, theory predicts that sperm competition would lead to trade-offs between numbers and size of spermatozoa because increased costs per cell would result in a reduction of sperm numbe...

journal_title：Journal of evolutionary biology

authors： Tourmente M,Delbarco Trillo J,Roldan ER

更新日期：2015-10-01 00:00:00

abstract：:We explored the evolution of recombination under antagonistic coevolution, concentrating on the equilibrium frequencies of modifier alleles causing recombination in initially nonrecombining populations. We found that the equilibrium level of recombination in the host depended not only on parasite virulence, but also o...

journal_title：Journal of evolutionary biology

authors： Peters AD,Lively CM

更新日期：2007-05-01 00:00:00

abstract：:Current advances in genetic analysis are opening up our knowledge of the genetics of species differences, but challenges remain, particularly for out-bred natural populations. We constructed a microsatellite-based linkage map for two out-bred lines of Drosophila montana derived from divergent populations by taking adv...

journal_title：Journal of evolutionary biology

authors： Schäfer MA,Mazzi D,Klappert K,Kauranen H,Vieira J,Hoikkala A,Ritchie MG,Schlötterer C

更新日期：2010-03-01 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：:A repeated pattern of background colour matching in animals is an indication that pigmentation may be cryptic. Here, we examine the relationship between pigmentation of the freshwater isopod Asellus aquaticus and background darkness in 29 lakes, wetlands and ponds in Southern Sweden. The results show that Asellus pigm...

journal_title：Journal of evolutionary biology

authors： Hargeby A,Stoltz J,Johansson J

更新日期：2005-05-01 00:00:00

abstract：:According to the 'pace-of-life' syndrome hypothesis, differences in resting metabolic rate (RMR) should be genetically associated with exploratory behaviour. A large number of studies reported significant heritability for both RMR and exploratory behaviour, but the genetic correlation between the two has yet to be doc...

journal_title：Journal of evolutionary biology

authors： Careau V,Thomas D,Pelletier F,Turki L,Landry F,Garant D,Réale D

更新日期：2011-10-01 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：:Adaptive speciation occurs when frequency-dependent ecological interactions generate conditions of disruptive selection to which lineage splitting is an adaptive response. Under such selective conditions, evolution of assortative mating mechanisms enables the break-up of the ancestral lineage into diverging and reprod...

journal_title：Journal of evolutionary biology

authors： Doebeli M

更新日期：2005-11-01 00:00:00

abstract：:Meiosis in Saccharomyces yeast produces four haploid gametes that usually fuse with each other, an extreme form of self-fertilization among the products of a single meiosis known as automixis. The gametes signal to each other with sex pheromone. Better-quality gametes produce stronger signals and are preferred as mate...

journal_title：Journal of evolutionary biology

authors： Tazzyman SJ,Seymour RM,Pomiankowski A,Greig D

更新日期：2012-08-01 00:00:00

abstract：:Somatic cellular differentiation plays a critical role in the transition from unicellular to multicellular life, but the evolution of its genetic basis remains poorly understood. By definition, somatic cells do not reproduce to pass on genes and so constitute an extreme form of altruistic behaviour. The volvocine gree...

journal_title：Journal of evolutionary biology

authors： Grochau-Wright ZI,Hanschen ER,Ferris PJ,Hamaji T,Nozaki H,Olson BJSC,Michod RE

更新日期：2017-06-01 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：: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：:The aim of this article is to demonstrate possible recombination-associated evolutionary forces affecting the genomic distribution of processed pseudogenes. The relationship between recombination rate and the distribution of processed pseudogenes is analysed in the human genome. The results show that processed pseudog...

journal_title：Journal of evolutionary biology

authors： Liu G,Li H,Cai L

更新日期：2010-05-01 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：:Which conditions favour the evolution of hermaphroditism or separate sexes? One classical hypothesis states that an organism's mode of locomotion (if any) when searching for a mate should influence breeding system evolution. We used published phylogenies to reconstruct evolutionary changes in adult mate-search efficie...

journal_title：Journal of evolutionary biology

authors： Eppley SM,Jesson LK

更新日期：2008-05-01 00:00:00

abstract：:Theoretical models predict that parasite relatedness affects the outcome of competition between parasites, and the evolution of parasite virulence. We examined whether parasite relatedness affects competition between parasitic plants (Cuscuta europaea) that share common host plants (Urtica dioica). We infected hosts w...

journal_title：Journal of evolutionary biology

authors： Puustinen S,Koskela T,Mutikainen P

更新日期：2004-07-01 00:00:00

abstract：:A recent model studies the evolution of cooperation on a network, and concludes with a result connecting the benefits and costs of interactions and the number of neighbours. Here, an inclusive fitness analysis is conducted of the only case solved analytically, of a cycle, and the identical result is obtained. This bri...

journal_title：Journal of evolutionary biology

authors： Grafen A

更新日期：2007-11-01 00:00:00

abstract：:When the availability of sperm limits female reproductive success, competition for sperm, may be an important broker of sexual selection. This is because sperm limitation can increase the variance in female reproductive success, resulting in strong selection on females to compete for limited fertilization opportunitie...

journal_title：Journal of evolutionary biology

authors： Marshall DJ,Evans JP

更新日期：2005-09-01 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：:We studied the correlations between offspring sex ratio, UV coloration and overwinter survival in a population of blue tits, breeding in Gotland, Sweden, over three consecutive breeding seasons. In 2 of 3 years, we found that females paired to males with relatively brighter UV-coloration produced a greater proportion ...

journal_title：Journal of evolutionary biology

authors： Griffith SC,Ornborg J,Russell AF,Andersson S,Sheldon BC

更新日期：2003-09-01 00:00:00

abstract：:In the wing dimorphic sand cricket, Gryllus firmus, there is a pronounced trade-off between flight capability and fecundity. This trade-off is found both between morphs and within the macropterous morph, in which fecundity is negatively correlated with the mass of the principle flight muscles, the dorso-longitudinal m...

journal_title：Journal of evolutionary biology

authors： Roff DA,Gélinas MB

更新日期：2003-01-01 00:00:00

abstract：:Maternal inheritance of mitochondrial DNA (mtDNA) was originally thought to prevent any response to selection on male phenotypic variation attributable to mtDNA, resulting in a male-biased mtDNA mutation load ("mother's curse"). However, the theory underpinning this claim implicitly assumes that a male's mtDNA has no ...

journal_title：Journal of evolutionary biology

authors： Keaney TA,Wong HWS,Dowling DK,Jones TM,Holman L

更新日期：2020-02-01 00:00:00

abstract：:How complex life cycles of parasites are maintained is still a fascinating and unresolved topic. Complex life cycles using three host species, free-living stages, asexual and sexual reproduction are widespread in parasitic helminths. For such life cycles, we propose here that maintaining a second intermediate host in ...

journal_title：Journal of evolutionary biology

authors： Rauch G,Kalbe M,Reusch TB

更新日期：2005-07-01 00:00:00

abstract：:The rapid evolutionary divergence of male genital structures under sexual selection is well documented. However, variation in female genital traits and the potential for sexual conflict to drive the coevolution between male and female traits has only recently received attention. In many lepidopterans, females possess ...

journal_title：Journal of evolutionary biology

authors： McNamara KB,Dougherty LR,Wedell N,Simmons LW

更新日期：2019-05-01 00:00:00