Genomic regions repeatedly involved in divergence among plant-specialized pea aphid biotypes.

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：:Creationist literature claims that sufficient gaps in morphological continuity exist to classify dinosaurs into several distinct baramins ('created kinds'). Here, I apply the baraminological method called taxon correlation to test for morphological continuity within and between dinosaurian taxa. The results show enoug...

journal_title：Journal of evolutionary biology

authors： Senter P

更新日期：2011-10-01 00:00:00

abstract：:Laboratory studies on Drosophila have revealed that resistance to one environmental stress often correlates with resistance to other stresses. There is also evidence on genetic correlations between stress resistance, longevity and other fitness-related traits. The present work investigates these associations using art...

journal_title：Journal of evolutionary biology

authors： Bubliy OA,Loeschcke V

更新日期：2005-07-01 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：:We aimed at identifying the causal basis of previously shown interrelations between demographic and genetic colony structure, ecological factors and split sex ratios in the ant, Leptothorax nylanderi. Colony-level variation in sex allocation was only partly explained by annual fluctuations during eight study years and...

journal_title：Journal of evolutionary biology

authors： Foitzik S,Strätz M,Heinze J

更新日期：2003-07-01 00:00:00

abstract：:Parasites are ubiquitous and have well-documented ecological consequences. In contrast, the extent to which parasites drive phenotypic evolution in hosts remains obscure. We use a recently developed statistical technique--selective source analysis--to analyse the strength of phenotypic selection acting on floral trait...

journal_title：Journal of evolutionary biology

authors： Nuismer SL,Ridenhour BJ

更新日期：2008-07-01 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：: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：:The ability of plants to respond to natural enemies might depend on the availability of genetic variation for the optimal phenotypic expression of defence. Selfing can affect the distribution of genetic variability of plant fitness, resistance and tolerance to herbivores and pathogens. The hypothesis of inbreeding dep...

journal_title：Journal of evolutionary biology

authors： Bello-Bedoy R,Núñez-Farfán J

更新日期：2011-03-01 00:00:00

abstract：:Male fitness is dependent on sexual traits that influence mate acquisition (precopulatory sexual selection) and paternity (post-copulatory sexual selection), and although many studies have documented the form of selection in one or the other of these arenas, fewer have done it for both. Nonetheless, it appears that th...

journal_title：Journal of evolutionary biology

authors： Maraqa MS,Griffin R,Sharma MD,Wilson AJ,Hunt J,Hosken DJ,House CM

更新日期：2017-02-01 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：:Variability in the way organisms reproduce raises numerous, and still unsolved, questions in evolutionary biology. In this study, we emphasize that fungi deserve a much greater emphasis in efforts to address these questions because of their multiple advantages as model eukaryotes. A tremendous diversity of reproductiv...

journal_title：Journal of evolutionary biology

authors： Billiard S,López-Villavicencio M,Hood ME,Giraud T

更新日期：2012-06-01 00:00:00

abstract：:Avian brood parasites reduce the reproductive output of their hosts and thereby select for defence mechanisms such as ejection of parasitic eggs. Such defence mechanisms simultaneously select for counter-defences in brood parasites, causing a coevolutionary arms race. Although coevolutionary models assume that defence...

journal_title：Journal of evolutionary biology

authors： Martín-Gálvez D,Soler JJ,Martínez JG,Krupa AP,Richard M,Soler M,Møller AP,Burke T

更新日期：2006-03-01 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

abstract：:The impact of ecological factors on natural hybridization is of widespread interest. Here, we asked whether climate niche influences hybridization between the two closely related plant species Myriophyllum sibiricum and M. spicatum. Eight microsatellite loci and two chloroplast fragments were used to investigate the o...

journal_title：Journal of evolutionary biology

authors： Wu Z,Ding Z,Yu D,Xu X

更新日期：2015-08-01 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：:Positive correlations between heterozygosity and fitness traits are frequently observed, and it has been hypothesized, but rarely tested experimentally, that parasites play a key role in mediating the heterozygosity-fitness association. We evaluated this hypothesis in a wild great tit (Parus major) population by testi...

journal_title：Journal of evolutionary biology

authors： Voegeli B,Saladin V,Wegmann M,Richner H

更新日期：2012-03-01 00:00:00

abstract：:Characterizing the genetic basis of among-species variation in lifespan is a major goal of evolutionary gerontology research, but the very feature that defines separate species - the inability to interbreed - makes achieving this goal impractical, if not impossible, for most taxa. Pristionchus nematodes provide an int...

journal_title：Journal of evolutionary biology

authors： Weadick CJ,Sommer RJ

更新日期：2017-03-01 00:00:00

abstract：:Social group size may affect the potential for sperm competition, and this in turn may favour ontogenetic adjustments in testicular mass according to the likely requirements for sperm and spermatophore production. In a number of comparative analyses of testis mass among vertebrate species that differ in mating system ...

journal_title：Journal of evolutionary biology

authors： Tan GN,Govedich FR,Burd M

更新日期：2004-05-01 00:00:00

abstract：:Sexually selected traits that are costly are predicted to be more condition dependent than nonsexually selected traits. Assuming resource limitation, increased allocation to a sexually selected trait may also come at a cost to other fitness components. To test these predictions, we varied adult food ration to manipula...

journal_title：Journal of evolutionary biology

authors： Punzalan D,Cooray M,Helen Rodd F,Rowe L

更新日期：2008-09-01 00:00:00

abstract：:Theory predicts that lifespan will depend on the dietary intake of an individual, the allocation of resources towards reproduction and the costs imposed by the opposite sex. Although females typically bear the majority of the cost of offspring production, nuptial feeding invertebrates provide an ideal opportunity to e...

journal_title：Journal of evolutionary biology

authors： Hall MD,Bussière LF,Brooks R

更新日期：2009-04-01 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：:Some ants have an extraordinary form of social organization, called unicoloniality, whereby individuals mix freely among physically separated nests. This mode of social organization has been primarily studied in introduced and invasive ant species, so that the recognition ability and genetic structure of ants forming ...

journal_title：Journal of evolutionary biology

authors： Holzer B,Chapuisat M,Kremer N,Finet C,Keller L

更新日期：2006-11-01 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：:The length of the favourable season determines voltinism in insect populations. In some insects, there is variation in fecundity and timing of reproduction among females. If the length of the favourable season does not allow all offspring to develop into adults without diapause, the benefits of high early fecundity ma...

journal_title：Journal of evolutionary biology

authors： Välimäki P,Kivelä SM,Jääskeläinen L,Kaitala A,Kaitala V,Oksanen J

更新日期：2008-11-01 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：:Adaptations to pollution among long-lived trees have rarely been documented, possibly because of their long reproductive cycles and the evolutionarily short timescales of anthropogenic pollution. Here, I present the results of a greenhouse experiment that suggest rapid evolutionary adaptation of mountain birch [Betula...

journal_title：Journal of evolutionary biology

authors： Eränen JK

更新日期：2008-03-01 00:00:00

abstract：:The effects of competition on the genetic composition of natural populations are not well understood. We combined demography and molecular genetics to study how intraspecific competition affects microevolution in cohorts of volunteer plants of cassava (Manihot esculenta) originating from seeds in slash-and-burn fields...

journal_title：Journal of evolutionary biology

authors： Pujol B,McKey D

更新日期：2006-01-01 00:00:00

abstract：:Knowledge on interspecific pre- and post-zygotic isolation mechanisms provides insights into speciation patterns. Using crosses (F(1) and backcrosses) of two closely related flea beetles species, Altica fragariae and A. viridicyanea, specialized on different hosts in sympatry, we measured: (a) the type of reproductive...

journal_title：Journal of evolutionary biology

authors： Xue HJ,Magalhães S,Li WZ,Yang XK

更新日期：2009-11-01 00:00:00

abstract：:Phylogenetic comparative methods are extremely commonly used in evolutionary biology. In this paper, I highlight some of the problems that are frequently encountered in comparative analyses and review how they can be fixed. In broad terms, the problems boil down to a lack of appreciation of the underlying assumptions ...

journal_title：Journal of evolutionary biology

authors： Freckleton RP

更新日期：2009-07-01 00:00:00