Extremely low genetic variability and highly structured local populations of Arabidopsis thaliana at higher latitudes.

abstract：:Research on contact zones has paid relatively little attention to host-parasite interactions, although these situations have important but different implications depending on whether one considers the host or the parasite's perspective. We investigated both the role of a host contact zone in parasite expansion and whe...

journal_title：Molecular ecology

authors： Reullier J,Pérez-Tris J,Bensch S,Secondi J

更新日期：2006-03-01 00:00:00

abstract：:Polyploidy (whole-genome duplication) has contributed significantly to angiosperm evolution and diversification. To date, it has been found that most polyploids are the result of multiple formation events, which may contribute to genetic diversity and affect interfertility among polyploid lineages of independent origi...

journal_title：Molecular ecology

authors： Modliszewski JL,Willis JH

更新日期：2012-11-01 00:00:00

abstract：:Aspergillus flavus and A. parasiticus are the two most important aflatoxin-producing fungi responsible for the contamination of agricultural commodities worldwide. Both species are heterothallic and undergo sexual reproduction in laboratory crosses. Here we examine the possibility of interspecific matings between A. f...

journal_title：Molecular ecology

authors： Olarte RA,Worthington CJ,Horn BW,Moore GG,Singh R,Monacell JT,Dorner JW,Stone EA,Xie DY,Carbone I

更新日期：2015-04-01 00:00:00

abstract：:Although resolving phylogenetic relationships and establishing species limits are primary goals of systematics, these tasks remain challenging at both conceptual and analytical levels. Here, we integrated genomic and phenotypic data and employed a comprehensive suite of coalescent-based analyses to develop and evaluat...

journal_title：Molecular ecology

authors： Noguerales V,Cordero PJ,Ortego J

更新日期：2018-03-01 00:00:00

abstract：:Studies that span entire species ranges can provide insight into the relative roles of historical contingency and contemporary factors that influence population structure and can reveal patterns of genetic variation that might otherwise go undetected. American shad is a wide ranging anadromous clupeid fish that exhibi...

journal_title：Molecular ecology

authors： Hasselman DJ,Ricard D,Bentzen P

更新日期：2013-03-01 00:00:00

abstract：:The confounding effects of population structure complicate efforts to identify regions of the genome under the influence of selection in natural populations. Here we test for evidence of selection in three genes involved in vertebrate immune function - the major histocompatibility complex (MHC), interferon gamma (IFNG...

journal_title：Molecular ecology

authors： Worley K,Carey J,Veitch A,Coltman DW

更新日期：2006-03-01 00:00:00

abstract：:Coenagrion mercuriale (Charpentier) (Odonata: Zygoptera) is one of Europe's most threatened damselflies and is listed in the European Habitats directive. We combined an intensive mark-release-recapture (MRR) study with a microsatellite-based genetic analysis for C. mercuriale from the Itchen Valley, UK, as part of an ...

journal_title：Molecular ecology

authors： Watts PC,Rouquette JR,Saccheri IJ,Kemp SJ,Thompson DJ

更新日期：2004-10-01 00:00:00

abstract：:Human activities have increasingly introduced plant species far outside their native ranges under environmental conditions that can strongly differ from those originally met. Therefore, before spreading, and potentially causing ecological and economical damage, non-native species may rapidly evolve. Evidence of geneti...

journal_title：Molecular ecology

authors： Vandepitte K,de Meyer T,Helsen K,van Acker K,Roldán-Ruiz I,Mergeay J,Honnay O

更新日期：2014-05-01 00:00:00

abstract：:Abstract The genetic impact of the cultural practice of spat collection and translocation between genetically distinct stocks of black-lipped pearl oyster, Pinctada margaritifera cumingii, was studied by comparing samples collected in the 1980s and 2000s from seven atolls in French Polynesia. An amova revealed homogen...

journal_title：Molecular ecology

authors： Arnaud-Haond S,Vonau V,Bonhomme F,Boudry P,Blanc F,Prou J,Seaman T,Goyard E

更新日期：2004-07-01 00:00:00

abstract：:Male nuptial colour hues are important for the maintenance of reproductive isolation among cichlid fish species, and environmental changes that lead to narrower light spectra can lead to hybridization. However, cichlid species can naturally co-occur in narrow light spectrum habitats, such as turbid shallow lakes and t...

journal_title：Molecular ecology

authors： Genner MJ,Nichols P,Carvalho GR,Robinson RL,Shaw PW,Turner GF

更新日期：2007-02-01 00:00:00

abstract：:Colour vision varies within the family Atelidae (Primates, Platyrrhini), which consists of four genera with the following cladistic relationship: {Alouatta[Ateles (Lagothrix and Brachyteles)]}. Spider monkeys (Ateles) and woolly monkeys (Lagothrix) are characteristic of platyrrhine monkeys in possessing a colour visio...

journal_title：Molecular ecology

authors： Talebi MG,Pope TR,Vogel ER,Neitz M,Dominy NJ

更新日期：2006-02-01 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

abstract：:Lady's slipper orchids (Cypripedium spp.) are rare terrestrial plants that grow throughout the temperate Northern Hemisphere. Like all orchids, they require mycorrhizal fungi for germination and seedling nutrition. The nutritional relationships of adult Cypripedium mycorrhizae are unclear; however, Cypripedium distrib...

journal_title：Molecular ecology

authors： Shefferson RP,Weiss M,Kull T,Taylor DL

更新日期：2005-02-01 00:00:00

abstract：:Isolation due to both geological barriers and range contractions during the Pleistocene glacial maxima has been an important cause of diversification of arid-adapted species in the North American deserts. Tree lizards, Urosaurus ornatus, are distributed across much of the southwestern arid regions and can tolerate a w...

journal_title：Molecular ecology

authors： Haenel GJ

更新日期：2007-10-01 00:00:00

abstract：:The impact of gene flow and population size fluctuations in shaping genetic variation during adaptive radiation, at both the genome-wide and gene-specific levels, is very poorly understood. To examine how historical population size and gene flow patterns within and between loci have influenced lineage divergence in th...

journal_title：Molecular ecology

authors： Lawton-Rauh A,Robichaux RH,Purugganan MD

更新日期：2007-10-01 00:00:00

abstract：:The timing of reproduction in birds varies considerably within populations and is often under strong natural selection. Individual timing within years is dependent on a range of environmental factors in addition to having an additive genetic basis. In vertebrates, an increasing amount is known about the molecular basi...

journal_title：Molecular ecology

authors： Liedvogel M,Szulkin M,Knowles SC,Wood MJ,Sheldon BC

更新日期：2009-06-01 00:00:00

abstract：:Understanding the factors that maintain genetic variation in natural populations is a foundational goal of evolutionary biology. To this end, population geneticists have developed a variety of models that can produce stable polymorphisms. In one of the earliest models, Owen () demonstrated that differences in selectio...

journal_title：Molecular ecology

authors： Meisel RP

更新日期：2018-09-01 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：:Crop-wild hybridization has been documented in many cultivated species, but the ecological and genetic factors that influence the likelihood or rate that cultivar alleles will introgress into wild populations are poorly understood. Seed predation is one factor that could mitigate the spread of otherwise advantageous c...

journal_title：Molecular ecology

authors： Dechaine JM,Burger JC,Burke JM

更新日期：2010-08-01 00:00:00

abstract：:The Neotropical region represents one of the greatest biodiversity hot spots on earth. Despite its unparalleled biodiversity, regional comparative phylogeographic studies are still scarce, with most focusing on model clades (e.g. birds) and typically examining a handful of loci. Here, we apply a genome-wide comparativ...

journal_title：Molecular ecology

authors： Rincon-Sandoval M,Betancur-R R,Maldonado-Ocampo JA

更新日期：2019-03-01 00:00:00

abstract：:Marine metapopulations often exhibit subtle population structure that can be difficult to detect. Given recent advances in high-throughput sequencing, an emerging question is whether various genotyping approaches, in concert with improved sampling designs, will substantially improve our understanding of genetic struct...

journal_title：Molecular ecology

authors： D'Aloia CC,Andrés JA,Bogdanowicz SM,McCune AR,Harrison RG,Buston PM

更新日期：2020-06-01 00:00:00

abstract：:Organisms often respond to environmental changes by producing alternative phenotypes. Epigenetic processes such as DNA methylation may contribute to environmentally induced phenotypic variation by modifying gene expression. Changes in DNA methylation, unlike DNA mutations, can be influenced by the environment; they ar...

journal_title：Molecular ecology

authors： Angers B,Castonguay E,Massicotte R

更新日期：2010-04-01 00:00:00

abstract：:Climate is one of the most important drivers of local adaptation in forest tree species. Standing levels of genetic diversity and structure within and among natural populations of forest trees are determined by the interplay between climatic heterogeneity and the balance between selection and gene flow. To investigate...

journal_title：Molecular ecology

authors： Mosca E,Eckert AJ,Di Pierro EA,Rocchini D,La Porta N,Belletti P,Neale DB

更新日期：2012-11-01 00:00:00

abstract：:Life history adaptations and spatial configuration of metapopulation networks allow certain species to persist in extreme fluctuating environments, yet long-term stability within these systems relies on the maintenance of linkage habitat. Degradation of such linkages in urban riverscapes can disrupt this dynamic in aq...

journal_title：Molecular ecology

authors： Richmond JQ,Backlin AR,Galst-Cavalcante C,O'Brien JW,Fisher RN

更新日期：2018-01-01 00:00:00

abstract：:Divergent host use has long been suspected to drive population differentiation and speciation in plant-feeding insects. Evaluating the contribution of divergent host use to genetic differentiation can be difficult, however, as dispersal limitation and population structure may also influence patterns of genetic variati...

journal_title：Molecular ecology

authors： Bagley RK,Sousa VC,Niemiller ML,Linnen CR

更新日期：2017-02-01 00:00:00

abstract：:RNA viruses are characterized by high genetic variability resulting in rapid adaptation to new or resistant hosts. Research for plant RNA virus genetic structure and its variability has been relatively scarce compared to abundant research done for human and animal RNA viruses. Here, we utilized a molecular population ...

journal_title：Molecular ecology

authors： Tsompana M,Abad J,Purugganan M,Moyer JW

更新日期：2005-01-01 00:00:00

abstract：:Humans are notorious for disturbing terrestrial ecosystems worldwide, especially those that are in close proximity to urban areas. This disturbance has involved the accumulation of various types of chemical pollutants, of either agricultural or industrial origins, in both soil and water ecosystems. Pollutants have som...

journal_title：Molecular ecology

authors： Corradi N,Charest C

更新日期：2011-08-01 00:00:00

abstract：:For most species in the Western Palaearctic region, southern Mediterranean peninsulas have been identified as major Quaternary refugia and hotspots of intraspecific diversity, and thus, as areas of particular relevance for the conservation of the evolutionary potential. We analysed the patterns of geographical variati...

journal_title：Molecular ecology

authors： Canestrelli D,Cimmaruta R,Nascetti G

更新日期：2008-09-01 00:00:00

abstract：:Kinkajou social groups generally consist of one adult female, two males, one subadult and one juvenile. Based on analysis of variation in 11 microsatellite loci, we assess the degree of kinship within and between four social groups totaling 25 kinkajous. We use exclusion and likelihood analyses to assign parents for s...

journal_title：Molecular ecology

authors： Kays RW,Gittleman JL,Wayne RK

更新日期：2000-06-01 00:00:00

abstract：:Conspecific brood parasitism (CBP), females laying eggs in the nest of other 'host' females of the same species, is a common alternative reproductive tactic among birds. For hosts there are likely costs of incubating and rearing foreign offspring, but costs may be low in species with precocial chicks such as waterfowl...

journal_title：Molecular ecology

authors： Anderholm S,Waldeck P,VAN DER Jeugd HP,Marshall RC,Larsson K,Andersson M

更新日期：2009-12-01 00:00:00