A comparative analysis of senescence in adult damselflies and dragonflies (Odonata).

abstract：:In cooperative breeding vertebrates, indirect fitness benefits would be maximized by subordinates that accurately assess their relatedness to group offspring and preferentially help more closely related kin. In the Seychelles warbler (Acrocephalus sechellensis), we found a positive relationship between subordinate-nes...

journal_title：Journal of evolutionary biology

authors： Richardson DS,Burke T,Komdeurs J

更新日期：2003-09-01 00:00:00

abstract：:Food shortage is an important selective factor shaping animal life-history trajectories. Yet, despite its role, many aspects of the interaction between parental and offspring food environments remain unclear. In this study, we measured developmental plasticity in response to food availability over two generations and ...

journal_title：Journal of evolutionary biology

authors： Zizzari ZV,van Straalen NM,Ellers J

更新日期：2016-07-01 00:00:00

abstract：:The avian haemosporidian parasite Haemoproteus majoris has been reported to infect a wide range of passerine birds throughout the Holarctic ecozone. Five cytochrome b (cyt b) lineages have been described as belonging to the morphological species H. majoris, and these form a tight phylogenetic cluster together with 13 ...

journal_title：Journal of evolutionary biology

authors： Nilsson E,Taubert H,Hellgren O,Huang X,Palinauskas V,Markovets MY,Valkiūnas G,Bensch S

更新日期：2016-09-01 00:00:00

abstract：:One of the most sweeping of all patterns in morphological evolution is that animal genitalia tend to diverge more rapidly than do other structures. Abundant indirect evidence supports the cryptic female choice (CFC) explanation of this pattern, which supposes that male genitalia often function to court females during ...

journal_title：Journal of evolutionary biology

authors： Briceño RD,Eberhard WG

更新日期：2009-07-01 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：: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：:An evolutionary conflict of interest exists between parents and their offspring over the partitioning of parental investment (PI) among siblings. When the direct fitness benefits to offspring of increased PI, outweigh the inclusive fitness costs from lost future sibling fitness, selection should favour the evolution o...

journal_title：Journal of evolutionary biology

authors： Long TA

更新日期：2005-05-01 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：: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：:Reproductive parasites such as Wolbachia can spread through uninfected host populations by increasing the relative fitness of the infected maternal lineage. However, empirical estimates of how fast this process occurs are limited. Here we use nucleotide sequences of male-killing Wolbachia bacteria and co-inherited mit...

journal_title：Journal of evolutionary biology

authors： Duplouy A,Hurst GD,O'Neill SL,Charlat S

更新日期：2010-01-01 00:00:00

abstract：:One of the main goals of molecular evolutionary biology is to determine the factors that influence the evolutionary rate of selectively neutral DNA, but much remains unknown, especially for plants. Key factors that could alter the mutation rate include environmental tolerances (because they reflect a plants vulnerabil...

journal_title：Journal of evolutionary biology

authors： Whittle CA

更新日期：2006-01-01 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：: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：:Polyandry is widespread despite its costs. The sexually selected sperm hypotheses ('sexy' and 'good' sperm) posit that sperm competition plays a role in the evolution of polyandry. Two poorly studied assumptions of these hypotheses are the presence of additive genetic variance in polyandry and sperm competitiveness. U...

journal_title：Journal of evolutionary biology

authors： Travers LM,Simmons LW,Garcia-Gonzalez F

更新日期：2016-05-01 00:00:00

abstract：:We examined, through allozyme electrophoresis, the genetic structure of populations of the acridid grasshopper Dichroplus pratensis from two chromosomal races (Northern and Southern) and their hybrid zone in Argentina. No fixed alleles for any particular race were found, although genetic differentiation among parental...

journal_title：Journal of evolutionary biology

authors： Chiappero MB,Parise C,Martí DA,Bidau CJ,Gardenal CN

更新日期：2004-01-01 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：: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：:Innovative evolutionary developments are often related to gene or genome duplications. The crop fungi of attine fungus-growing ants are suspected to have enhanced genetic variation reminiscent of polyploidy, but this has never been quantified with cytological data and genetic markers. We estimated the number of nuclei...

journal_title：Journal of evolutionary biology

authors： Kooij PW,Aanen DK,Schiøtt M,Boomsma JJ

更新日期：2015-11-01 00:00:00

abstract：:Understanding how species interactions influence their distribution and evolution is a fundamental question in evolutionary biology. Theory suggests that asymmetric reproductive interference, in which one species induces higher reproductive costs on another species, may be more important in delimiting species boundari...

journal_title：Journal of evolutionary biology

authors： Yassin A,David JR

更新日期：2016-02-01 00:00:00

abstract：:Although high levels of self-fertilization (>85%) are not uncommon in nature, organisms reproducing entirely through selfing are extremely rare. Predominant selfers are expected to have low genetic diversity because genetic variation is distributed among rather than within lineages and is readily lost through genetic ...

journal_title：Journal of evolutionary biology

authors： Hughes PW,Simons AM

更新日期：2015-11-01 00:00:00

abstract：:We examine the maintenance of a plumage polymorphism, variation in plumages among the same age and sex class within a population, in a population of Swainson's Hawks. We take advantage of 32 years of data to examine two prevalent hypotheses used to explain the persistence of morphs: apostatic selection and heterozygou...

journal_title：Journal of evolutionary biology

authors： Briggs CW,Collopy MW,Woodbridge B

更新日期：2011-10-01 00:00:00

abstract：:We examine the extent to which phylogenetic effects and ecology are associated with macroevolutionary patterns of phytochemical defense production across the Mimulus phylogeny. We grew plants from 21 species representing the five major sections of the Mimulus phylogeny in a common garden to assess how the arsenals (NM...

journal_title：Journal of evolutionary biology

authors： Holeski LM,Keefover-Ring K,Sobel JM,Kooyers NJ

更新日期：2021-01-22 00:00:00

abstract：:Multiple functional queens in a colony (polygyny) and multiple mating by queens (polyandry) in social insects challenge kin selection, because they dilute inclusive fitness benefits from helping. Colonies of the ant Plagiolepis pygmaea brash contain several hundreds of multiply mated queens. Yet, within-colony related...

journal_title：Journal of evolutionary biology

authors： Thurin N,Aron S

更新日期：2009-12-01 00:00:00

abstract：:We investigated the evolutionary relationship between spawning behaviour and sperm motility traits among Tanganyikan mouth-brooding cichlid species that have developed diverse mating behaviours and male sexual traits. Mouth-brooding behaviour is common among these fish, but different species demonstrate a range of spa...

journal_title：Journal of evolutionary biology

authors： Morita M,Awata S,Yorifuji M,Ota K,Kohda M,Ochi H

更新日期：2014-12-01 00:00:00

abstract：:Understanding how phenotypic diversity evolves is a major interest of evolutionary biology. Habitat use is an important factor in the evolution of phenotypic diversity of many animal species. Interestingly, male and female phenotypes have been frequently shown to respond differently to environmental variation. At the ...

journal_title：Journal of evolutionary biology

authors： Kaliontzopoulou A,Carretero MA,Adams DC

更新日期：2015-01-01 00:00:00

abstract：:Bottlenose dolphins (Tursiops truncatus) have a world-wide distribution, and show morphotypic variation among regions. Distinctions between coastal and pelagic populations have been documented; however, regional patterns of differentiation had not been previously investigated in a wider geographic context. We analysed...

journal_title：Journal of evolutionary biology

authors： Natoli A,Peddemors VM,Hoelzel AR

更新日期：2004-03-01 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：:Mixed-genotype infections have attracted considerable attention as drivers of pathogen evolution. However, experimental approaches often overlook essential features of natural host-parasite interactions, such as host heterogeneity, or the effects of between-host selection during transmission. Here, following inoculati...

journal_title：Journal of evolutionary biology

authors： Ulrich Y,Sadd BM,Schmid-Hempel P

更新日期：2011-02-01 00:00:00

abstract：:Character displacement - the divergence of traits between species in response to competition for resources or mates - has long been viewed as a major cause of adaptive diversification and species coexistence. Yet, we lack answers to basic questions concerning the causes and consequences of character displacement, not ...

journal_title：Journal of evolutionary biology

authors： Rice AM,Pfennig DW

更新日期：2007-03-01 00:00:00

abstract：:The evolution of symbioses along the continuum between parasitism and mutualism can be influenced by the oxidative homeostasis, that is the balance between reactive oxygen species (ROS) and antioxidant molecules. Indeed, ROS can contribute to the host immune defence to regulate symbiont populations, but are also toxic...

journal_title：Journal of evolutionary biology

authors： Monnin D,Kremer N,Berny C,Henri H,Dumet A,Voituron Y,Desouhant E,Vavre F

更新日期：2016-06-01 00:00:00