Epistasis and maternal effects in experimental adaptation to chronic nutritional stress in Drosophila.

abstract：:Host-associated differentiation (HAD) is considered a step towards ecological speciation and an important mechanism promoting diversification in phytophagous insects. Although the number of documented cases of HAD is increasing, these still represent only a small fraction of species and feeding guilds among phytophago...

journal_title：Journal of evolutionary biology

authors： Dorchin N,Scott ER,Clarkin CE,Luongo MP,Jordan S,Abrahamson WG

更新日期：2009-04-01 00:00:00

abstract：:Three different isolated populations of the slave-making ant Rossomyrmex minuchae, sympatric with its obligate host Proformica longiseta, are known from the high mountains of southern Spain. To test the prediction that the slave-maker and its host represent a coevolutionary geographical mosaic, we studied the variatio...

journal_title：Journal of evolutionary biology

authors： Ruano F,Devers S,Sanllorente O,Errard C,Tinaut A,Lenoir A

更新日期：2011-05-01 00:00:00

abstract：:Co-inheritance in life-history traits may result in unpredictable evolutionary trajectories if not accounted for in life-history models. Iteroparity (the reproductive strategy of reproducing more than once) in Atlantic salmon (Salmo salar) is a fitness trait with substantial variation within and among populations. In ...

journal_title：Journal of evolutionary biology

authors： Aykanat T,Ozerov M,Vähä JP,Orell P,Niemelä E,Erkinaro J,Primmer CR

更新日期：2019-04-01 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：:We compared historic and contemporary genetic variation in two threatened New Zealand birds (saddlebacks and robins) with disparate bottleneck histories. Saddlebacks showed massive loss of genetic variation when extirpated from the mainland, but no significant loss of variation following a severe bottleneck in the 196...

journal_title：Journal of evolutionary biology

authors： Taylor SS,Jamieson IG,Wallis GP

更新日期：2007-09-01 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：: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：:Temporal resource fluctuations could affect the strength of antagonistic coevolution through population dynamics and costs of adaptation. We studied this by coevolving the prey bacterium Serratia marcescens with the predatory protozoa Tetrahymena thermophila in constant and pulsed-resource environments for approximate...

journal_title：Journal of evolutionary biology

authors： Friman VP,Laakso J,Koivu-Orava M,Hiltunen T

更新日期：2011-12-01 00:00:00

abstract：:It is widely accepted that insular terrestrial biodiversity progresses with island age because colonization and diversification proceed over time. Here, we assessed whether this principle extends to oceanic island streams. We examined rangewide mtDNA sequence variation in four stream-dwelling species across the Hawaii...

journal_title：Journal of evolutionary biology

authors： Alda F,Gagne RB,Walter RP,Hogan JD,Moody KN,Zink F,McIntyre PB,Gilliam JF,Blum MJ

更新日期：2016-10-01 00:00:00

abstract：:Empirical studies of sexual selection typically focus on one of the two mechanisms of sexual selection without integrating these into a description of total sexual selection, or study total sexual selection without quantifying the contributions of all of the mechanisms of sexual selection. However, this can provide an...

journal_title：Journal of evolutionary biology

authors： Hunt J,Breuker CJ,Sadowski JA,Moore AJ

更新日期：2009-01-01 00:00:00

abstract：:We investigated genetic variability and genetic correlations in early life-history traits of Crassostrea gigas. Larval survival, larval development rate, size at settlement and metamorphosis success were found to be substantially heritable, whereas larval growth rate and juvenile traits were not. We identified a stron...

journal_title：Journal of evolutionary biology

authors： Ernande B,Clobert J,McCombie H,Boudry P

更新日期：2003-05-01 00:00:00

abstract：:Studying the genetic architecture of sexual traits provides insight into the rate and direction at which traits can respond to selection. Traits associated with few loci and limited genetic and phenotypic constraints tend to evolve at high rates typically observed for secondary sexual characters. Here, we examined the...

journal_title：Journal of evolutionary biology

authors： Blankers T,Lübke AK,Hennig RM

更新日期：2015-09-01 00:00:00

abstract：:We estimated broad-sense heritabilities (H(2)) of 13 female and seven male life-history traits of the Glanville fritillary butterfly (Melitaea cinxia) under semi-natural conditions in a large outdoor population cage. The analysis was based on full-sib families collected as young larvae in the field and reared under co...

journal_title：Journal of evolutionary biology

authors： Klemme I,Hanski I

更新日期：2009-09-01 00:00:00

abstract：:A challenge of life-history theory is to explain why animal body size does not continue to increase, given various advantages of larger size. In birds, body size of nestlings and the number of nestlings produced (brood size) have occasionally been shown to be constrained by higher predation on larger nestlings and tho...

journal_title：Journal of evolutionary biology

authors： Brown CR,Brown MB

更新日期：2018-02-01 00:00:00

abstract：:Theory predicts that the evolution of phenotypic plasticity depends upon cues that indicate environmental change. Predators typically induce plastic responses in prey. However, variation among populations of predators alters the frequency of predation and, possibly, the evolution of plasticity. We compared responses t...

journal_title：Journal of evolutionary biology

authors： Walsh MR,Post DM

更新日期：2012-01-01 00:00:00

abstract：:Telomere length is a biomarker of biological ageing and lifespan in various vertebrate taxa. Evidence is accumulating that telomeres shorten more rapidly when an individual is exposed to environmental stressors. Parasites are potent selective agents that can cause physiological stress directly or indirectly through th...

journal_title：Journal of evolutionary biology

authors： Tschirren B,Romero-Haro AÁ,Zahn S,Criscuolo F

更新日期：2020-11-23 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：:To resolve a panselectionist paradox, the population geneticist Kimura invented a neutral theory, where each gene is equally likely to enter the next generation whatever its allelic type. To learn what could be explained without invoking Darwinian adaptive divergence, Hubbell devised a similar neutral theory for fores...

journal_title：Journal of evolutionary biology

authors： Leigh EG Jr

更新日期：2007-11-01 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：:Decades of experiments have demonstrated the ecological effect of competition, but experimental evidence for competitive effects on trait evolution is rare. I measured the evolution of six protozoan traits in response to competitors from the inquiline community of pitcher plants. Replicate populations of Colpoda, a ci...

journal_title：Journal of evolutionary biology

authors： terHorst CP

更新日期：2011-01-01 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：:The evolution of multicellularity is a major transition that is not yet fully understood. Specifically, we do not know whether there are any mechanisms by which multicellularity can be maintained without a single-cell bottleneck or other relatedness-enhancing mechanisms. Under low relatedness, cheaters can evolve that...

journal_title：Journal of evolutionary biology

authors： Levin SR,Brock DA,Queller DC,Strassmann JE

更新日期：2015-04-01 00:00:00

abstract：:Selfish genes that bias their own transmission during meiosis can spread rapidly in populations, even if they contribute negatively to the fitness of their host. Driving X chromosomes provide a clear example of this type of selfish propagation. These chromosomes have important evolutionary and ecological consequences,...

journal_title：Journal of evolutionary biology

authors： Keais GL,Hanson MA,Gowen BE,Perlman SJ

更新日期：2017-06-01 00:00:00

abstract：:We explore the relevance of honest signalling theory to the evolution of aposematism. We begin with a general consideration of models of signal stability, with a focus on the Zahavian costly signalling framework. Next, we review early models of signalling in the context of aposematism (some that are consistent and som...

journal_title：Journal of evolutionary biology

authors： Summers K,Speed MP,Blount JD,Stuckert AM

更新日期：2015-09-01 00:00:00

abstract：:Ecologically important traits of insects are often affected by facultative bacterial endosymbionts. This is best studied in the pea aphid Acyrthosiphon pisum, which is frequently infected by one or more of eight facultative symbiont species. Many of these symbiont species have been shown to provide one ecological bene...

journal_title：Journal of evolutionary biology

authors： Heyworth ER,Ferrari J

更新日期：2015-10-01 00:00:00

abstract：:It has often been argued that evolutionary diversification is the result of divergent natural selection for specialization on alternative resources. I provide a comprehensive review of experiments that examine the ecology and genetics of resource specialization and adaptive radiation in microbial microcosms. In these ...

journal_title：Journal of evolutionary biology

authors： MacLean RC

更新日期：2005-11-01 00:00:00

abstract：:We investigated the relationship between host defense and specialization by parasites in comparative analyses of bird fleas and T-cell mediated immune response of their avian hosts, showing that fleas with few main host species exploited hosts with weak or strong immune defenses, whereas flea species that parasitized ...

journal_title：Journal of evolutionary biology

authors： Møller AP,Christe P,Garamszegi LZ

更新日期：2005-01-01 00:00:00

abstract：:Arbuscular mycorrhizal fungi (AMF) are heterokaryotes with an unusual genetic makeup. Substantial genetic variation occurs among nuclei within a single mycelium or isolate. AMF reproduce through spores that contain varying fractions of this heterogeneous population of nuclei. It is not clear whether this genetic varia...

journal_title：Journal of evolutionary biology

authors： Boon E,Zimmerman E,Lang BF,Hijri M

更新日期：2010-07-01 00:00:00

abstract：:Segregation distorters are selfish genetic elements that subvert Mendelian inheritance, often by destroying gametes that do not carry the distorter. Simple theoretical models predict that distorter alleles will either spread to fixation or stabilize at some high intermediate frequency. However, many distorters have su...

journal_title：Journal of evolutionary biology

authors： Wong HWS,Holman L

更新日期：2020-01-01 00:00:00

abstract：:Understanding the evolutionary mechanisms of toxin accumulation in pufferfishes has been long-standing problem in toxicology and evolutionary biology. Pufferfish saxitoxin and tetrodotoxin-binding protein (PSTBP) is involved in the transport and accumulation of tetrodotoxin and is one of the most intriguing proteins r...

journal_title：Journal of evolutionary biology

authors： Hashiguchi Y,Lee JM,Shiraishi M,Komatsu S,Miki S,Shimasaki Y,Mochioka N,Kusakabe T,Oshima Y

更新日期：2015-05-01 00:00:00