Gene flow between arrhenotokous and thelytokous populations of Venturia canescens (Hymenoptera).

abstract：:P elements, both complete and incomplete, contain a left and right end, normally depicted as pointing away from each other. Here, we examine the properties of P elements that may be described as 're-arranged elements' or 'inside-out elements', containing inverted ends. Two such structures exist, having either ends poi...

journal_title：Heredity

authors： Liang X,Sved JA

更新日期：2009-04-01 00:00:00

abstract：:Island colonisation by animal populations is often associated with dramatic shifts in body size. However, little is known about the rates at which these evolutionary shifts occur, under what precise selective pressures and the putative role played by adaptive plasticity on driving such changes. Isolation time played a...

journal_title：Heredity

authors： Aubret F

更新日期：2015-10-01 00:00:00

abstract：:Recent studies in empirical population genetics have highlighted the importance of taking into account both neutral and adaptive genetic variation in characterizing microevolutionary dynamics. Here, we explore the genetic population structure and the footprints of selection in four populations of the warm-temperate co...

journal_title：Heredity

authors： Coscia I,Vogiatzi E,Kotoulas G,Tsigenopoulos CS,Mariani S

更新日期：2012-05-01 00:00:00

abstract：:Deciphering the colonization processes by which introduced pests invade new areas is essential to limit the risk of further expansion and/or multiple introductions. We here studied the invasion history of the maritime pine bast scale Matsucoccus feytaudi. This host-specific insect does not cause any damage in its nati...

journal_title：Heredity

authors： Kerdelhué C,Boivin T,Burban C

更新日期：2014-11-01 00:00:00

abstract：:In the mosquito Culex pipiens, over-production of esterases is a common insecticide resistance mechanism. Different alleles at the esterase A and B loci are known to occur in natural populations, as shown by enzyme electrophoresis and RFLP studies on the esterase B locus. Here we analyse the variability of the esteras...

journal_title：Heredity

authors： Guillemaud T,Rooker S,Pasteur N,Raymond M

更新日期：1996-11-01 00:00:00

abstract：:In prediction of genomic values, the single-step method has been demonstrated to outperform multi-step methods. In statistical analyses of longitudinal traits, the random regression test-day model (RR-TDM) has clear advantages over other models. Our goal in this study was to evaluate the performance of a model that in...

journal_title：Heredity

authors： Kang H,Zhou L,Mrode R,Zhang Q,Liu JF

更新日期：2017-12-01 00:00:00

abstract：:At treeline, selection by harsh environmental conditions sets an upward limit to arboreal vegetation. Increasing temperatures and the decline of traditional animal raising have favoured an upward shift of treeline in the last decades. These circumstances create a unique opportunity to study the balance of the main for...

journal_title：Heredity

authors： Piotti A,Leonardi S,Piovani P,Scalfi M,Menozzi P

更新日期：2009-08-01 00:00:00

abstract：:Allozyme analysis on 20 putative enzyme-coding loci and RAPD analysis on 154 markers, amplified by eight decamer random primers, were used to assess the genetic variation of striped red mullet, Mullus surmuletus L., collected from six locations in the Mediterranean Sea. Both methods were able to detect a high degree o...

journal_title：Heredity

authors： Mamuris Z,Stamatis C,Triantaphyllidis C

更新日期：1999-07-01 00:00:00

abstract：:The estimation of heritabilities and genetic correlations is based on the assumption that the trait distributions are normal. When the distributions are not normal it is advisable to transform the data to produce normality. However, it is possible that no suitable transformation can be found. The purpose of the presen...

journal_title：Heredity

authors： Roff DA

更新日期：2001-04-01 00:00:00

abstract：:Identifying genetic cues of functional relevance is key to understanding the drivers of evolution and increasingly important for the conservation of biodiversity. This study introduces nuclear ribosomal DNA (nrDNA) to mitochondrial DNA (mtDNA) copy number ratios as a metric with which to screen for this functional gen...

journal_title：Heredity

authors： Goodall-Copestake WP

更新日期：2018-08-01 00:00:00

abstract：:Several studies on 5S ribosomal DNA (5S rDNA) have been focused on a subset of the following features in mostly one organism: number of copies, pseudogenes, secondary structure, promoter and terminator characteristics, genomic arrangements, types of non-transcribed spacers and evolution. In this work, we systematicall...

journal_title：Heredity

authors： Vierna J,Wehner S,Höner zu Siederdissen C,Martínez-Lage A,Marz M

更新日期：2013-11-01 00:00:00

abstract：:Invasive hybrids and their spread dynamics pose unique opportunities to study evolutionary processes. Invasive hybrids of native Spartina foliosa and introduced S. alterniflora have expanded throughout San Francisco Bay intertidal habitats within the past 35 years by deliberate plantation and seeds floating on the tid...

journal_title：Heredity

authors： Sloop CM,Ayres DR,Strong DR

更新日期：2011-04-01 00:00:00

abstract：:Host-plant resistance is an effective method for controlling soybean aphid (Aphis glycines Matsumura), the most damaging insect pest of soybean (Glycine max (L.) Merr.) in North America. Recently, resistant soybean lines have been discovered and at least four aphid resistance genes (Rag1, Rag2, Rag3 and rag4) have bee...

journal_title：Heredity

authors： Jun TH,Rouf Mian MA,Michel AP

更新日期：2013-07-01 00:00:00

abstract：:Advances in the use of molecular markers to elucidate the inheritance of quantitative traits enable the integration of genetic information on physiological traits into crop growth models. The objective of this study was to assess the ability of a crop growth model with QTL-based estimates of physiological input parame...

journal_title：Heredity

authors： Yin X,Chasalow SD,Dourleijn CJ,Stam P,Kropff MJ

更新日期：2000-12-01 00:00:00

abstract：:Local patterns of genetic variation were analysed in the land snail Helix aspersa for 32 populations sampled within a patchy agricultural landscape: the polders of the Bay of Mont-Saint-Michel (France). This investigation examined the allele frequencies at four enzymatic markers and five microsatellite loci through th...

journal_title：Heredity

authors： Arnaud JF,Madec L,Guiller A,Deunff J

更新日期：2003-06-01 00:00:00

abstract：:We present a study of fine-scale spatial genetic structure (SGS) and assess the impact of seed and pollen dispersal on the pattern of genetic diversity in the predominantly selfing Hordeum spontaneum. The study included (1) direct measurement of dispersal in a controlled environment, and (2) analyses of SGS and estima...

journal_title：Heredity

authors： Volis S,Zaretsky M,Shulgina I

更新日期：2010-10-01 00:00:00

abstract：:Co-operative behaviour may evolve by enhancing the genetic similarity of group members. Increased group similarity is thought to be the basis for the 'subsocial route' of social evolution in the spider family Eresidae. Two processes may promote the similarity of individuals within populations or breeding groups, namel...

journal_title：Heredity

authors： Johannesen J,Lubin Y

更新日期：1999-06-01 00:00:00

abstract：:The conditional average frequency of rare alleles has been shown in simulations to provide a simple and robust estimator of the number of individuals exchanged between local populations in an island model (Nm). This statistic is defined as the average frequency of an allele in those samples in which the allele is pres...

journal_title：Heredity

authors： Barton NH,Slatkin M

更新日期：1986-06-01 00:00:00

abstract：:The frequency of B chromosomes has been determined for several stages in the grasshopper life-cycle, over three generations, in three natural populations spanning a steep cline in East Anglia. This has revealed a rise in B frequency in prediapause eggs, a fall during the winter in the embryos and a rise in the early n...

journal_title：Heredity

authors： Robinson PM,Hewitt GM

更新日期：1976-06-01 00:00:00

abstract：:Genomic rearrangements can result in losses, amplifications, translocations and inversions of DNA fragments thereby modifying genome architecture, and potentially having clinical consequences. Many genomic disorders caused by structural variation have initially been uncovered by early cytogenetic methods. The last dec...

journal_title：Heredity

authors： Le Scouarnec S,Gribble SM

更新日期：2012-01-01 00:00:00

abstract：:In the context of frequency-dependent selection, the effect of conditioning the medium, by the previous culture of larvae of a given strain, on the survival of subsequent larvae of the same or different strains was measured. Six strains were sued, some inbred and some lines selected for low or high sternopleural brist...

journal_title：Heredity

authors： Dolan R,Robertson A

更新日期：1975-12-01 00:00:00

abstract：:The importance of sexual selection in population divergence is of much interest, mainly because it is thought to cause reproductive isolation and hence could lead to speciation. Sexually selected traits have been hypothesized to diverge faster between populations than other traits, presumably because of differences in...

journal_title：Heredity

authors： Svensson EI,Kristoffersen L,Oskarsson K,Bensch S

更新日期：2004-11-01 00:00:00

abstract：:Cuticular colour in the mealworm beetle (Tenebrio molitor) is a quantitative trait, varying from tan to black. Population level variation in cuticular colour has been linked to pathogen resistance in this species and in several other insects: darker individuals are more resistant to pathogens. Given that cuticular col...

journal_title：Heredity

authors： Armitage SA,Siva-Jothy MT

更新日期：2005-06-01 00:00:00

abstract：:Differences in mating time between populations can give rise to premating reproductive isolation. Tephritid fruit flies exhibit large variation in mating time among intra- or inter-specific populations. We previously cloned the clock gene period from two strains of melon fly, Bactrocera cucurbitae; in one the individu...

journal_title：Heredity

authors： Fuchikawa T,Sanada S,Nishio R,Matsumoto A,Matsuyama T,Yamagishi M,Tomioka K,Tanimura T,Miyatake T

更新日期：2010-04-01 00:00:00

abstract：:Plants mediate carbon into most ecosystems and are thus under persistent attack by diverse enemies. The evolution of defense against such assaults will depend on the availability of genetic variation, as well as the costs and constraints on defense. We estimated the magnitude of genetic variation for defense against s...

journal_title：Heredity

authors： Ivey CT,Carr DE,Eubanks MD

更新日期：2009-03-01 00:00:00

abstract：:Crop modelling has so far contributed little to the genetic analysis of a quantitative trait. This study illustrates how a simple model for crop phenological development, which assumes that crop development rate is affected by daily effective temperature, can assist the identification of Quantitative Trait Loci (QTLs)...

journal_title：Heredity

authors： Yin X,Kropff MJ,Stam P

更新日期：1999-04-01 00:00:00

abstract：:Mate choice behaviors are among the most important reproductive isolating barriers in many animals. Little is known about the genetic basis of reproductively isolating behaviors, but examples to date provide evidence that they can have a simple genetic basis. However, it is unclear if these results indicate that indiv...

journal_title：Heredity

authors： Shahandeh MP,Turner TL

更新日期：2020-06-01 00:00:00

abstract：:Understanding how geographical and environmental features affect genetic variation at both the population and individual levels is crucial in biology, especially in the case of pathogens. However, distinguishing between these factors and the effects of historical range expansion on spatial genetic structure remains ch...

journal_title：Heredity

authors： Rieux A,De Lapeyre De Bellaire L,Zapater MF,Ravigne V,Carlier J

更新日期：2013-01-01 00:00:00

abstract：:Araucaria araucana (Monkey Puzzle), a southern South American tree species of exceptional cultural and economic importance, is of conservation concern owing to extensive historical clearance and current human pressures. Random amplified polymorphic DNA (RAPD) markers were used to characterise genetic heterogeneity wit...

journal_title：Heredity

authors： Bekessy SA,Allnutt TR,Premoli AC,Lara A,Ennos RA,Burgman MA,Cortes M,Newton AC

更新日期：2002-04-01 00:00:00

abstract：:The equal probability of transmission of alleles from either parent during sexual reproduction is a central tenet of genetics and evolutionary biology. Yet, there are many cases where this rule is violated. The preferential transmission of alleles or genotypes is termed transmission ratio distortion (TRD). Examples of...

journal_title：Heredity

authors： Seymour DK,Chae E,Arioz BI,Koenig D,Weigel D

更新日期：2019-03-01 00:00:00