Isolation by distance, not incipient ecological speciation, explains genetic differentiation in an Andean songbird (Aves: Furnariidae: Cranioleuca antisiensis, Line-cheeked Spinetail) despite near threefold body size change across an environmental gradien

abstract：:A considerable fraction of the world's biodiversity is of recent evolutionary origin and has evolved as a by-product of, and is maintained by, divergent adaptation in heterogeneous environments. Conservationists have paid attention to genetic homogenization caused by human-induced translocations (e.g. biological invas...

journal_title：Molecular ecology

authors： Seehausen O,Takimoto G,Roy D,Jokela J

更新日期：2008-01-01 00:00:00

abstract：:One of the greatest threats to the long-term viability of migrating plant species is the loss of genetic diversity due to founder effects. Populations can expand as a response to climate change, but it is uncertain if long-lived plant species can maintain sufficient genetic diversity at the leading edge of migrating p...

journal_title：Molecular ecology

authors： Pluess AR

更新日期：2011-02-01 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：:Metabarcoding has been used in a range of ecological applications such as taxonomic assignment, dietary analysis and the analysis of environmental DNA. However, after a decade of use in these applications there is little consensus on the extent to which proportions of reads generated corresponds to the original propor...

journal_title：Molecular ecology

authors： Lamb PD,Hunter E,Pinnegar JK,Creer S,Davies RG,Taylor MI

更新日期：2019-01-01 00:00:00

abstract：:As natural selection must act on underlying genetic variation, discovering the number and location of loci under the influence of selection is imperative towards understanding adaptive divergence in evolving populations. Studies employing genome scans have hypothesized that the action of divergent selection should red...

journal_title：Molecular ecology

authors： Rogers SM,Bernatchez L

更新日期：2005-02-01 00:00:00

abstract：:Microbes have evolved ways of interference competition to gain advantage over their ecological competitors. The use of secreted killer toxins by yeast cells through acquiring double-stranded RNA viruses is one such prominent example. Although the killer behaviour has been well studied in laboratory yeast strains, our ...

journal_title：Molecular ecology

authors： Chang SL,Leu JY,Chang TH

更新日期：2015-08-01 00:00:00

abstract：:The fauna of oceanic islands provide exceptional models with which to examine patterns of dispersal, isolation and diversification, from incipient speciation to species level radiations. Here, we investigate recent differentiation and microevolutionary change in Berthelot's pipit (Anthus berthelotii), an endemic bird ...

journal_title：Molecular ecology

authors： Illera JC,Emerson BC,Richardson DS

更新日期：2007-11-01 00:00:00

abstract：:The black surfperch Embiotoca jacksoni and the striped surfperch E. lateralis (Embiotocidae, Perciformes) are livebearing temperate reef fishes that live sympatrically over a large portion of their distribution range, where they exhibit strong ecological competition. In order to assess whether mating strategies reflec...

journal_title：Molecular ecology

authors： Reisser CM,Beldade R,Bernardi G

更新日期：2009-04-01 00:00:00

abstract：:Niche conservatism has been proposed as the mechanism driving speciation in temperate montane clades through range fragmentation during climatic oscillations. Thus, a negative relationship between speciation rates and niche width is expected. Here, we test this prediction using American zopherine beetles. Our phylogen...

journal_title：Molecular ecology

authors： Baselga A,Recuero E,Parra-Olea G,García-París M

更新日期：2011-12-01 00:00:00

abstract：:Genetic subdivision in local populations of the European house mice, Mus musculus domesticus and M. m. musculus, was analysed to study patterns of gene flow. The data consisted of frequencies of microsatellite alleles in 16 samples (250 individuals) from a total of 11 sites in Jutland, which included successive sample...

journal_title：Molecular ecology

authors： Dallas JF,Dod B,Boursot P,Prager EM,Bonhomme F

更新日期：1995-06-01 00:00:00

abstract：:Arbuscular mycorrhizal fungi (AMF) form a mutualistic symbiosis with plant roots and are found in most ecosystems. In this study the community structure of AMF in a clade of the genus Glomus was examined in undisturbed costal grassland using LSU rDNA sequences amplified from roots of Hieracium pilosella. Roots were sa...

journal_title：Molecular ecology

authors： Rosendahl S,Stukenbrock EH

更新日期：2004-10-01 00:00:00

abstract：:The world's second largest expanse of tropical rainforest is in Central Africa, and it harbours enormous species diversity. Population genetic studies have consistently revealed significant structure across Central African rainforest plants. In particular, previous studies have repeatedly demonstrated a north-south ge...

journal_title：Molecular ecology

authors： Helmstetter AJ,Amoussou BEN,Bethune K,Kamdem NG,Glèlè Kakaï R,Sonké B,Couvreur TLP

更新日期：2020-09-01 00:00:00

abstract：:We examined the consequences of barriers, stream architecture and putative dispersal capability on levels of genetic differentiation among populations of the freshwater fish Craterocephalus stercusmuscarum. Seven polymorphic allozyme loci and sequences of a 498-bp fragment of the ATPase 6 mitochondrial DNA (mtDNA) gen...

journal_title：Molecular ecology

authors： McGlashan DJ,Hughes JM

更新日期：2000-11-01 00:00:00

abstract：:Both models and case studies suggest that chromosomal inversions can facilitate adaptation and speciation in the presence of gene flow by suppressing recombination between locally adapted alleles. Until recently, however, it has been laborious and time-consuming to identify and genotype inversions in natural populatio...

journal_title：Molecular ecology

authors： Huang K,Andrew RL,Owens GL,Ostevik KL,Rieseberg LH

更新日期：2020-07-01 00:00:00

abstract：:The ecological and genetic factors determining the extent of introgression between species in secondary contact zones remain poorly understood. Here, we investigate the relative importance of isolating barriers and the demographic expansion of invasive Mytilus galloprovincialis on the magnitude and the direction of in...

journal_title：Molecular ecology

authors： Saarman NP,Pogson GH

更新日期：2015-09-01 00:00:00

abstract：:Pseudomonas fluorescens SBW25 is a Gram-negative bacterium that grows in close association with plants. In common with a broad range of functionally similar bacteria it plays an important role in the turnover of organic matter and certain isolates can promote plant growth. Despite its environmental significance, the c...

journal_title：Molecular ecology

authors： Gal M,Preston GM,Massey RC,Spiers AJ,Rainey PB

更新日期：2003-11-01 00:00:00

abstract：:The extinction of the giant tortoises of the Seychelles Archipelago has long been suspected but is not beyond doubt. A recent morphological study of the giant tortoises of the western Indian Ocean concluded that specimens of two native Seychelles species survive in captivity today alongside giant tortoises of Aldabra,...

journal_title：Molecular ecology

authors： Palkovacs EP,Marschner M,Ciofi C,Gerlach J,Caccone A

更新日期：2003-06-01 00:00:00

abstract：:Inbreeding can have negative consequences on population and individual fitness, which could be counteracted by inbreeding avoidance mechanisms. However, the inbreeding risk and inbreeding avoidance mechanisms in endangered species are less studied. The giant panda, a solitary and threatened species, lives in many smal...

journal_title：Molecular ecology

authors： Hu Y,Nie Y,Wei W,Ma T,Van Horn R,Zheng X,Swaisgood RR,Zhou Z,Zhou W,Yan L,Zhang Z,Wei F

更新日期：2017-10-01 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：:Microbial taxa range from being ubiquitous and abundant across space to extremely rare and endemic, depending on their ecophysiology and on different processes acting locally or regionally. However, little is known about how cosmopolitan or rare taxa combine to constitute communities and whether environmental variatio...

journal_title：Molecular ecology

authors： Ruiz-González C,Logares R,Sebastián M,Mestre M,Rodríguez-Martínez R,Galí M,Sala MM,Acinas SG,Duarte CM,Gasol JM

更新日期：2019-04-01 00:00:00

abstract：:Multiple introductions are key features for the establishment and persistence of introduced species. However, little is known about the contribution of genetic admixture to the invasive potential of populations. To address this issue, we studied the recent invasion of the Asian tiger mosquito (Aedes albopictus) in Eur...

journal_title：Molecular ecology

authors： Sherpa S,Blum MGB,Capblancq T,Cumer T,Rioux D,Després L

更新日期：2019-05-01 00:00:00

abstract：:High-throughput sequencing approaches have enabled characterizations of the community composition of numerous gut microbial communities, which in turn has enhanced interest in their diversity and functional relationships in different groups of vertebrates. Although fishes represent the greatest taxonomic and ecologica...

journal_title：Molecular ecology

authors： Clements KD,Angert ER,Montgomery WL,Choat JH

更新日期：2014-04-01 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：:Spatial and environmental heterogeneity are major factors in structuring species distributions in alpine landscapes. These landscapes have also been affected by glacial advances and retreats, causing alpine taxa to undergo range shifts and demographic changes. These nonequilibrium population dynamics have the potentia...

journal_title：Molecular ecology

authors： Schoville SD,Lam AW,Roderick GK

更新日期：2012-09-01 00:00:00

abstract：:Speciation remains a central enigma in biology, and nowhere is this more apparent than in shallow tropical seas where biodiversity rivals that of tropical rainforests. Obvious barriers to gene flow are few and most marine species have a highly dispersive larval stage, which should greatly decrease opportunities for sp...

journal_title：Molecular ecology

authors： Bird CE,Holland BS,Bowen BW,Toonen RJ

更新日期：2011-05-01 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：:The factors that control the assembly and composition of endophyte communities across plant hosts remains poorly understood. This is especially true for endophyte communities inhabiting inner tree bark, one of the least studied components of the plant microbiome. Here, we test the hypothesis that bark of different tre...

journal_title：Molecular ecology

authors： Pellitier PT,Zak DR,Salley SO

更新日期：2019-12-01 00:00:00

abstract：:We investigated genetic variation in asexual polyploid members of the water flea Daphnia pulex complex from a set of 12 Bolivian high-altitude lakes. We used nuclear microsatellite markers to study genetic relationships among all encountered multilocus genotypes, and combined this with a phylogenetic approach using DN...

journal_title：Molecular ecology

authors： Mergeay J,Aguilera X,Declerck S,Petrusek A,Huyse T,De Meester L

更新日期：2008-04-01 00:00:00

abstract：:Multilocus isozyme genotypic composition for aspartate aminotransferase (AAT), leucine aminopeptidase (LAP) and glutamate dehydrogenase (GDH) was studied for Capsella in the source continent, Europe (9000 plants from 593 populations), and in the colonized continent, North America (2700 plants from 88 populations). Nor...

journal_title：Molecular ecology

authors： Neuffer B,Hurka H

更新日期：1999-10-01 00:00:00

abstract：:A number of evolutionary mechanisms have been suggested for generating low but significant genetic structuring among marine fish populations. We used nine microsatellite loci and recently developed methods in landscape genetics and coalescence-based estimation of historical gene flow and effective population sizes to ...

journal_title：Molecular ecology

authors： Hemmer-Hansen J,Nielsen EE,Grønkjaer P,Loeschcke V

更新日期：2007-08-01 00:00:00