MHC diversity and the association to nematode parasitism in the yellow-necked mouse (Apodemus flavicollis).

abstract：:Mutation rates at microsatellites tend to increase with the number of repeats of the motif, leading to higher levels of polymorphism at long microsatellites. To standardize levels of diversity when microsatellites differ in size, we investigate the relationship between tract length and variation and provide a formula ...

journal_title：Molecular ecology

authors： Petit RJ,Deguilloux MF,Chat J,Grivet D,Garnier-Géré P,Vendramin GG

更新日期：2005-03-01 00:00:00

abstract：:Mutualistic interactions of plants with true fungi are a well-known and widespread phenomenon, which includes mycorrhiza and non-mycorrhizal endophytes like species of Epichloë. Despite the fact that these organisms intrude into plants, neither strong defence reactions nor the onset of symptoms of disease can be obser...

journal_title：Molecular ecology

authors： Ploch S,Thines M

更新日期：2011-09-01 00:00:00

abstract：:Telomeres are dynamic DNA-protein structures that form protective caps at the ends of eukaryotic chromosomes. Although initial telomere length is partly genetically determined, subsequent accelerated telomere shortening has been linked to elevated levels of oxidative stress. Recent studies show that short telomere len...

journal_title：Molecular ecology

authors： Pauliny A,Wagner RH,Augustin J,Szép T,Blomqvist D

更新日期：2006-05-01 00:00:00

abstract：:There is growing interest in understanding patterns of seasonal migratory connectivity between breeding and wintering sites, both because differences in migratory behaviour can be associated with population differentiation and because knowledge of migratory connectivity is essential for understanding the ecology, evol...

journal_title：Molecular ecology

authors： Irwin DE,Irwin JH,Smith TB

更新日期：2011-08-01 00:00:00

abstract：:The ability of DNA screening techniques such as Temperature Gradient Gel Electrophoresis (TGGE) and Heteroduplex Analysis to provide resolution approaching that provided by DNA sequencing for a fraction of the time, effort and expense point to them as the logical successor to allozyme electrophoresis for population ge...

journal_title：Molecular ecology

authors： Campbell NJ,Harriss FC,Elphinstone MS,Baverstock PR

更新日期：1995-08-01 00:00:00

abstract：:Population structure and phylogeography of the pink-footed goose, Anser brachyrhynchus Baillon 1833, was studied using mtDNA control region sequences (221 bp) from 142 individuals. Present breeding areas of the species in Greenland, Iceland, and Svalbard were largely covered by ice during the late Pleistocene. In pair...

journal_title：Molecular ecology

authors： Ruokonen M,Aarvak T,Madsen J

更新日期：2005-01-01 00:00:00

abstract：:As modern genomic tools are developed for ecologically compelling models, field manipulation experiments will become important for establishing the role of functional genomic variation in physiological acclimation and evolutionary adaptation along environmental clines. High-altitude habitats expose individuals to hypo...

journal_title：Molecular ecology

authors： Cheviron ZA,Whitehead A,Brumfield RT

更新日期：2008-10-01 00:00:00

abstract：:Most plant species are recent or ancient polyploids (displaying at least one round of genome duplication in their history). Cultivated species (e.g. wheat, cotton, canola, sugarcane, coffee) and invasive species are often relatively recent polyploids, and frequently of hybrid origin (i.e. allopolyploids). Despite the ...

journal_title：Molecular ecology

authors： Salmon A,Ainouche ML

更新日期：2010-01-01 00:00:00

abstract：:One of the major challenges in evolutionary biology is to understand the mechanisms underlying morphological dimorphism and plasticity, including the genomic basis of traits and links to ecology. At the yellow eel stage of the European eel (Anguilla anguilla), two morphotypes are found: broad- and narrow-heads. This d...

journal_title：Molecular ecology

authors： De Meyer J,Maes GE,Dirks RP,Adriaens D

更新日期：2017-08-01 00:00:00

abstract：:The merger of two or more divergent genomes within an allopolyploid nucleus can facilitate speciation and adaptive evolution in flowering plants. Widespread changes to gene expression have been shown to result from interspecific hybridisation and polyploidy in a number of plant species, and attention has now shifted t...

journal_title：Molecular ecology

authors： Hegarty MJ,Batstone T,Barker GL,Edwards KJ,Abbott RJ,Hiscock SJ

更新日期：2011-01-01 00:00:00

abstract：:Many studies propose that Quaternary climatic cycles contracted and/or expanded the ranges of species and biomes. Strong expansion-contraction dynamics of biomes presume concerted demographic changes of associated fauna. The analysis of temporal concordance of demographic changes can be used to test the influence of Q...

journal_title：Molecular ecology

authors： Gehara M,Garda AA,Werneck FP,Oliveira EF,da Fonseca EM,Camurugi F,Magalhães FM,Lanna FM,Sites JW Jr,Marques R,Silveira-Filho R,São Pedro VA,Colli GR,Costa GC,Burbrink FT

更新日期：2017-09-01 00:00:00

abstract：:Seed germination is a key life history transition for annual plants and partly determines lifetime performance and fitness. Germination speed, the elapsed time for a nondormant seed to germinate, is a poorly understood trait important for plants' competitiveness and fitness in fluctuating environments. Germination spe...

journal_title：Molecular ecology

authors： Yuan W,Flowers JM,Sahraie DJ,Ehrenreich IM,Purugganan MD

更新日期：2016-09-01 00:00:00

abstract：:In theory, conservation genetics predicts that forest fragmentation will reduce gene dispersal, but in practice, genetic and ecological processes are also dependent on other population characteristics. We used Bayesian genetic analyses to characterize parentage and propagule dispersal in Heliconia acuminata L. C. Rich...

journal_title：Molecular ecology

authors： Côrtes MC,Uriarte M,Lemes MR,Gribel R,Kress WJ,Smouse PE,Bruna EM

更新日期：2013-11-01 00:00:00

abstract：:Natural selection, random processes and gene flow are known to generate sex ratio variations among sexually polymorphic plant populations. In gynodioecious species, in which hermaphrodites and females coexist, the relative effect of these processes on the maintenance of sex polymorphism is still up for debate. The aim...

journal_title：Molecular ecology

authors： De Cauwer I,Dufay M,Hornoy B,Courseaux A,Arnaud JF

更新日期：2012-02-01 00:00:00

abstract：:Population studies have revealed that the fungal ectomycorrhizal morphospecies Tricholoma scalpturatum consists of at least two genetically distinct groups that occur sympatrically in several geographical areas. This discovery prompted us to examine species boundaries and relationships between members formerly assigne...

journal_title：Molecular ecology

authors： Jargeat P,Martos F,Carriconde F,Gryta H,Moreau PA,Gardes M

更新日期：2010-12-01 00:00:00

abstract：:Habitat fragmentation is one of the major contributors to the loss of biodiversity worldwide. However, relatively little is known about its more immediate impacts on within-patch population processes such as social structure and mating systems, whose alteration may play an important role in extinction risk. We investi...

journal_title：Molecular ecology

authors： Banks SC,Ward SJ,Lindenmayer DB,Finlayson GR,Lawson SJ,Taylor AC

更新日期：2005-05-01 00:00:00

abstract：:Reproducibility is the benchmark for results and conclusions drawn from scientific studies, but systematic studies on the reproducibility of scientific results are surprisingly rare. Moreover, many modern statistical methods make use of 'random walk' model fitting procedures, and these are inherently stochastic in the...

journal_title：Molecular ecology

authors： Gilbert KJ,Andrew RL,Bock DG,Franklin MT,Kane NC,Moore JS,Moyers BT,Renaut S,Rennison DJ,Veen T,Vines TH

更新日期：2012-10-01 00:00:00

abstract：:Exceptional ecological niche diversity, clear waters and unique divergent selection pressures have often been invoked to explain high morphological and genetic diversity of taxa within ancient lakes. However, it is possible that in some ancient lake taxa high diversity has arisen because these historically stable envi...

journal_title：Molecular ecology

authors： Genner MJ,Todd JA,Michel E,Erpenbeck D,Jimoh A,Joyce DA,Piechocki A,Pointier JP

更新日期：2007-02-01 00:00:00

abstract：:Japanese camellia (Camellia japonica) and its seed predator, the camellia weevil (Curculio camelliae), provide a notable example of a geographic mosaic of coevolution. In the species interaction, the offensive trait of the weevil (rostrum length) and the defensive trait of the plant (pericarp thickness) are involved i...

journal_title：Molecular ecology

authors： Toju H,Sota T

更新日期：2006-11-01 00:00:00

abstract：:Natural hybridization accompanied by a shift in niche preference by hybrid genotypes can lead to hybrid speciation. Natural selection may cause the fixation of advantageous alleles in the ecologically diverged hybrids, and the loci experiencing selection should exhibit a reduction in allelic diversity relative to neut...

journal_title：Molecular ecology

authors： Sapir Y,Moody ML,Brouillette LC,Donovan LA,Rieseberg LH

更新日期：2007-12-01 00:00:00

abstract：:The Neolithic transition has been widely debated particularly regarding the extent to which this revolution implied a demographic expansion from the Near East. We attempted to shed some light on this process in northeastern Iberia by combining ancient DNA (aDNA) data from Early Neolithic settlers and published DNA dat...

journal_title：Molecular ecology

authors： Gamba C,Fernández E,Tirado M,Deguilloux MF,Pemonge MH,Utrilla P,Edo M,Molist M,Rasteiro R,Chikhi L,Arroyo-Pardo E

更新日期：2012-01-01 00:00:00

abstract：:Habitat fragmentation is a major force affecting demography and genetic structure of wild populations, especially in agricultural landscapes. The land snail Cepaea nemoralis (L.) was selected to investigate the impact of habitat fragmentation on the spatial genetic structure of an organism with limited dispersal abili...

journal_title：Molecular ecology

authors： Schweiger O,Frenzel M,Durka W

更新日期：2004-12-01 00:00:00

abstract：:Discordance between the mitochondrial and nuclear genomes is a prevalent phenomenon in nature, in which the underlying processes responsible are considered to be important in shaping genetic variation in natural populations. Among the evolutionary processes that best explain such genomic mismatches incomplete lineage ...

journal_title：Molecular ecology

authors： Streicher JW,Day JJ

更新日期：2020-09-01 00:00:00

abstract：:A simple method is presented for developing polymorphic, anonymous DNA markers suitable for population genetic studies. Anonymous DNA fragments are screened for sequence variability using a common mutation detection technique (single strand conformation polymorphism analysis; SSCP) and locus-specific PCR primers are d...

journal_title：Molecular ecology

authors： Bagley MJ,Medrano JF,Gall GA

更新日期：1997-04-01 00:00:00

abstract：:Quaternary climatic fluctuations have left contrasting historical footprints on the neutral genetic diversity patterns of existing populations of different tree species. We should expect the demography, and consequently the neutral genetic structure, of taxa less tolerant to particular climatic extremes to be more sen...

journal_title：Molecular ecology

authors： Soto A,Robledo-Arnuncio JJ,González-Martínez SC,Smouse PE,Alía R

更新日期：2010-04-01 00:00:00

abstract：:Gene flow within and between social groups is contingent on behaviourally mediated patterns of mating and dispersal. To understand how these patterns affect the genetic structure of primate populations, long-term data are required. In this study, we analyse 10 years of demographic and genetic data from a wild lemur po...

journal_title：Molecular ecology

authors： Lawler RR,Richard AF,Riley MA

更新日期：2003-09-01 00:00:00

abstract：:Accurate detection of offspring resulting from hybridization between individuals of distinct populations has a range of applications in conservation and population genetics. We assessed the hybrid identification efficiency of two methods (implemented in the STRUCTURE and NEWHYBRIDS programs) which are tailored to iden...

journal_title：Molecular ecology

authors： Vähä JP,Primmer CR

更新日期：2006-01-01 00:00:00

abstract：:Adaptive radiations provide unique opportunities to test whether and how recent ecological and evolutionary diversification of host species structures the composition of entire bacterial communities. We used 16S rRNA gene sequencing of faecal samples to test for differences in the gut microbiota of six species of Puer...

journal_title：Molecular ecology

authors： Ren T,Kahrl AF,Wu M,Cox RM

更新日期：2016-10-01 00:00:00

abstract：:Habitat fragmentation may disrupt original patterns of gene flow and lead to drift-induced differentiation among local population units. Top predators such as the jaguar may be particularly susceptible to this effect, given their low population densities, leading to small effective sizes in local fragments. On the oth...

journal_title：Molecular ecology

authors： Haag T,Santos AS,Sana DA,Morato RG,Cullen L Jr,Crawshaw PG Jr,De Angelo C,Di Bitetti MS,Salzano FM,Eizirik E

更新日期：2010-11-01 00:00:00

abstract：:Major histocompatibility complex (MHC) genes, coding molecules which play an important role in immune response, are the most polymorphic genes known in vertebrates. However, MHC polymorphism in some species is limited. MHC monomorphism at several MHC class I and II loci was previously reported for two neighbouring nor...

journal_title：Molecular ecology

authors： Babik W,Durka W,Radwan J

更新日期：2005-12-01 00:00:00