Landscape genetics, historical isolation and cross-Andean gene flow in the wax palm, Ceroxylon echinulatum (Arecaceae).

abstract：:Understanding divergent adaptation and ecological speciation requires the synthesis of multiple approaches, including phenotypic characterization, genetics and genomics, realistic assessment of fitness and population genetic modelling. Current research in this field often approaches this problem from one of two direct...

journal_title：Molecular ecology

authors： Byers KJ,Xu S,Schlüter PM

更新日期：2017-01-01 00:00:00

abstract：:Hybrid zones are important windows into ecological and evolutionary processes. Our understanding of the significance and prevalence of hybridization in nature has expanded with the generation and analysis of genome-spanning data sets. That said, most hybridization research still has restricted temporal and spatial res...

journal_title：Molecular ecology

authors： Stewart KA,Taylor SA

更新日期：2020-08-01 00:00:00

abstract：:The phylogeographical history of the rare marsh orchid Anacamptis palustris (Orchidaceae) was reconstructed using highly polymorphic chloroplast minisatellite and microsatellite loci. Allelic variation at chloroplast microsatellite loci was due to length variation in poly(A/T) repeats and was informative on a regional...

journal_title：Molecular ecology

authors： Cozzolino S,Cafasso D,Pellegrino G,Musacchio A,Widmer A

更新日期：2003-10-01 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：:We studied the physiological basis of local adaptation to drought in Boechera holboellii, a perennial relative of Arabidopsis thaliana, and used cDNA-AFLPs to identify candidate genes showing differential expression in these populations. We compared two populations of B. holboellii from contrasting water environments ...

journal_title：Molecular ecology

authors： Knight CA,Vogel H,Kroymann J,Shumate A,Witsenboer H,Mitchell-Olds T

更新日期：2006-04-01 00:00:00

abstract：:Conservation programmes aim at maximizing the survival probability of populations, by minimizing the loss of genetic diversity, which allows populations to adapt to changes, and controlling inbreeding increases. The best known strategy to achieve these goals is optimizing the contributions of the parents to minimize g...

journal_title：Molecular ecology

authors： de Cara MÁ,Villanueva B,Toro MÁ,Fernández J

更新日期：2013-12-01 00:00:00

abstract：:We reanalysed published data to evaluate whether climate and habitat are barriers to dispersal in one of the most mobile and widely distributed mammals, the grey wolf (Canis lupus). Distance-based redundancy analysis (dbRDA) was used to examine the amount of variation in genetic distances that could be explained by an...

journal_title：Molecular ecology

authors： Geffen E,Anderson MJ,Wayne RK

更新日期：2004-08-01 00:00:00

abstract：:In group living animals, especially among primates, there is consistent evidence that high-ranking males gain a higher reproductive output than low-ranking males. Primate studies have shown that male coalitions and sociality can impact male fitness; however, it remains unclear whether males could potentially increase ...

journal_title：Molecular ecology

authors： Kulik L,Muniz L,Mundry R,Widdig A

更新日期：2012-02-01 00:00:00

abstract：:To reveal the phylogeographical patterns of four species of coastal tiger beetles in Japan (Lophyridia angulata, Abroscelis anchoralis, Cicindela lewisii and Chaetodera laetescripta), we conducted phylogenetic and nested clade analysis (NCA) using the mitochondrial DNA sequences of two loci (COI and 16S rRNA), with sp...

journal_title：Molecular ecology

authors： Satoh A,Sota T,Ueda T,Enokido Y,Paik JC,Hori M

更新日期：2004-10-01 00:00:00

abstract：:Many ectothermic species are currently expanding their distributions polewards due to anthropogenic global warming. Molecular genetic mechanisms facilitating range expansion under these conditions are largely unknown, but understanding these could help mitigate expanding pests and disease vectors, or help explain why ...

journal_title：Molecular ecology

authors： Lancaster LT,Dudaniec RY,Chauhan P,Wellenreuther M,Svensson EI,Hansson B

更新日期：2016-03-01 00:00:00

abstract：:We investigated how heterozygosity at the major histocompatibility complex (MHC) affects fitness in wild-derived (F2) house mice (Mus musculus musculus). To compare and control for potential confounding effects from close inbreeding and genome-wide heterozygosity, we used mice that were systematically outbred. We asse...

journal_title：Molecular ecology

authors： Thoss M,Ilmonen P,Musolf K,Penn DJ

更新日期：2011-04-01 00:00:00

abstract：:We investigate population genetic structuring in Margaritifera falcata, a freshwater mussel native to western North America, across the majority of its geographical range. We find shallow rangewide genetic structure, strong population-level structuring and very low population diversity in this species, using both mito...

journal_title：Molecular ecology

authors： Mock KE,Brim Box JC,Chong JP,Furnish J,Howard JK

更新日期：2013-12-01 00:00:00

abstract：:Plasticity allows for changes in phenotype in response to environmental cues, often facilitating local adaptation to seasonal environments. Phenotypic plasticity alone, however, may not always be sufficient to ensure adaptation to new localities. In particular, changing cues associated with shifting seasonal regimes m...

journal_title：Molecular ecology

authors： Hyma KE,Caicedo AL

更新日期：2011-09-01 00:00:00

abstract：:African cichlid fishes are a prime model for studying speciation mechanisms. Despite the development of extensive genomic resources, it has been difficult to determine which sources of genetic variation are responsible for cichlid phenotypic variation. One of their most variable phenotypes is visual sensitivity, with ...

journal_title：Molecular ecology

authors： Carleton KL,Conte MA,Malinsky M,Nandamuri SP,Sandkam BA,Meier JI,Mwaiko S,Seehausen O,Kocher TD

更新日期：2020-12-01 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：:Big bluestem (Andropogon gerardii) is an ecologically dominant grass with wide distribution across the environmental gradient of U.S. Midwest grasslands. This system offers an ideal natural laboratory to study population divergence and adaptation in spatially varying climates. Objectives were to: (i) characterize neut...

journal_title：Molecular ecology

authors： Gray MM,St Amand P,Bello NM,Galliart MB,Knapp M,Garrett KA,Morgan TJ,Baer SG,Maricle BR,Akhunov ED,Johnson LC

更新日期：2014-12-01 00:00:00

abstract：:In cooperatively breeding species, restricted dispersal of offspring leads to clustering of closely related individuals, increasing the potential both for indirect genetic benefits and inbreeding costs. In apostlebirds (Struthidea cinerea), philopatry by both sexes results in the formation of large (up to 17 birds), p...

journal_title：Molecular ecology

authors： Woxvold IA,Adcock GJ,Mulder RA

更新日期：2006-10-01 00:00:00

abstract：:Dispersal is a key factor in invasion and in the persistence and evolution of species. Despite the importance of estimates of dispersal distance, dispersal measurement remains a real methodological challenge. In this study, we characterized dispersal by exploiting a specific case of biological invasion, in which multi...

journal_title：Molecular ecology

authors： Bermond G,Blin A,Vercken E,Ravigné V,Rieux A,Mallez S,Morel-Journel T,Guillemaud T

更新日期：2013-11-01 00:00:00

abstract：:Linear and heterogeneous habitat makes headwater stream networks an ideal ecosystem in which to test the influence of environmental factors on spatial genetic patterns of obligatory aquatic species. We investigated fine-scale population structure and influence of stream habitat on individual-level genetic differentiat...

journal_title：Molecular ecology

authors： Kanno Y,Vokoun JC,Letcher BH

更新日期：2011-09-01 00:00:00

abstract：:The zebra mussel, Dreissena polymorpha (Pallas), a bivalve species originally native to the Black and Caspian seas, has invaded Ireland in the last decade. Five microsatellite loci were used to investigate genetic diversity and population structure in 10 populations across Europe (Ireland, UK, the Netherlands and Roma...

journal_title：Molecular ecology

authors： Astanei I,Gosling E,Wilson J,Powell E

更新日期：2005-05-01 00:00:00

abstract：:In vertebrates, the genes of the major histocompatibility complex (MHC) are among the most debated candidates accounting for co-evolutionary processes of host-parasite interaction at the molecular level. The exceptionally high allelic polymorphism found in MHC loci is believed to be maintained by pathogen-driven selec...

journal_title：Molecular ecology

authors： Meyer-Lucht Y,Sommer S

更新日期：2005-06-01 00:00:00

abstract：:Epichloë endophytes are fungal symbionts of grasses that span a continuum including asexual mutualists that are vertically transmitted, obligately sexual pathogens that are horizontally transmitted, and mixed-strategy symbionts with both mutualistic and pathogenic capabilities. Here we show that processes of genome ev...

journal_title：Molecular ecology

authors： Moon CD,Craven KD,Leuchtmann A,Clement SL,Schardl CL

更新日期：2004-06-01 00:00:00

abstract：:Male-killing bacteria are generally thought to attain low to intermediate prevalence in natural populations, with only mild effects on the host population sex ratio. This view was recently challenged by reports of extremely high infection frequencies in three butterfly species, raising the prospect that male killers, ...

journal_title：Molecular ecology

authors： Charlat S,Hornett EA,Dyson EA,Ho PP,Loc NT,Schilthuizen M,Davies N,Roderick GK,Hurst GD

更新日期：2005-10-01 00:00:00

abstract：:Mitochondrial haplotype diversity in 27 populations of brown trout, Salmo trutta L., in Austria was investigated by sequencing the 5' end of the mitochondrial DNA (mtDNA) control region. Although all populations are within the Danube drainage, 44% of all individuals carried Atlantic basin haplotypes. It is argued that...

journal_title：Molecular ecology

authors： Weiss S,Schlötterer C,Waidbacher H,Jungwirth M

更新日期：2001-05-01 00:00:00

abstract：:The variation and taxonomic diversity among mammalian gut microbiomes raises several questions about the factors that contribute to the rates and patterns of change in these microbial communities. By comparing the microbiome compositions of 112 species representing 14 mammalian orders, we assessed how host and ecologi...

journal_title：Molecular ecology

authors： Nishida AH,Ochman H

更新日期：2018-04-01 00:00:00

abstract：:Interspecific mutualism can evolve when specific lineages of different species tend to be associated with each other from one generation to the next. Different maternally transmitted endosymbionts occurring within the same cytoplasmic lineage fulfil this requirement. Drosophila neotestacea is infected with maternally ...

journal_title：Molecular ecology

authors： Jaenike J,Stahlhut JK,Boelio LM,Unckless RL

更新日期：2010-01-01 00:00:00

abstract：:In this study, we used a comparative genome scan to examine patterns of population differentiation with respect to host plant use in Hesperotettix viridis, a Nearctic oligophagous grasshopper locally specialized on various Asteraceae including Solidago, Gutierrezia, and Ericameria. We identified amplified fragment len...

journal_title：Molecular ecology

authors： Apple JL,Grace T,Joern A,St Amand P,Wisely SM

更新日期：2010-09-01 00:00:00

abstract：:Most emerging pathogens of humans can infect multiple host species (Woolhouse & Gowtage-Sequeria, 2005). This simple fact has motivated multiple large-scale, comparative analyses of the drivers of pathogen sharing and zoonotic pathogen richness among hosts as well as the factors determining the zoonotic potential of p...

journal_title：Molecular ecology

authors： Becker DJ,Albery GF

更新日期：2020-09-01 00:00:00

abstract：:Arion vulgaris (syn. A. lusitanicus) is the most destructive pest slug in Europe. The species has been regarded a classic case of an ongoing biological invasion with negative economic and ecological impact in many European countries, but this status has recently been contested. In this study, we assessed mitochondrial...

journal_title：Molecular ecology

authors： Zemanova MA,Knop E,Heckel G

更新日期：2016-11-01 00:00:00

abstract：:The ecological and evolutionary importance of fine-scale genetic structure within populations is increasingly appreciated. However, available data are largely restricted to wild vertebrates and eusocial insects. In addition, there is the expectation that most insects tend to have such large- and high-density populatio...

journal_title：Molecular ecology

authors： Bretman A,Rodríguez-Muñoz R,Walling C,Slate J,Tregenza T

更新日期：2011-07-01 00:00:00