Recent Y chromosome divergence despite ancient origin of dioecy in poplars (Populus).

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：: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：:An aquatic hyphomycete, Dwayaangam sp., was isolated from superficially sterilized black spruce (Picea mariana) needles submerged in aerated water in a small glass chamber (microcosm). The internal transcribed spacer (ITS) sequence of this fungus and of a commonly encountered foliar endophyte isolated from P. mariana ...

journal_title：Molecular ecology

authors： Sokolski S,Piché Y,Chauvet E,Bérubé JA

更新日期：2006-06-01 00:00:00

abstract：:Effective population size (N(e)) is a key parameter to understand evolutionary processes and the viability of endangered populations as it determines the rate of genetic drift and inbreeding. Low Ne can lead to inbreeding depression and reduced population adaptability. In this study, we estimated contemporary N(e) usi...

journal_title：Molecular ecology

authors： Baalsrud HT,Saether BE,Hagen IJ,Myhre AM,Ringsby TH,Pärn H,Jensen H

更新日期：2014-06-01 00:00:00

abstract：:High-latitude ecotonal populations at the species margins may exhibit altered patterns of genetic diversity, resulting from more or less recent founder events and from bottleneck effects in response to climate oscillations. Patterns of genetic diversity were investigated in nine populations of the conifer black spruce...

journal_title：Molecular ecology

authors： Gamache I,Jaramillo-Correa JP,Payette S,Bousquet J

更新日期：2003-04-01 00:00:00

abstract：:Tectonic movement at the boundary of the Indo-Australian and Pacific Plates during the Miocene and Pliocene is recognized as a driving force for invertebrate speciation in New Zealand. Two endemic freshwater crayfish (koura) species, Paranephrops planifrons White 1842 and Paranephrops zealandicus White 1842, represent...

journal_title：Molecular ecology

authors： Apte S,Smith PJ,Wallis GP

更新日期：2007-05-01 00:00:00

abstract：:Many parasites manipulate their hosts' phenotype. In particular, parasites with complex life cycles take control of their intermediate hosts' behaviour and life history to increase transmission to their definitive host. The proximate mechanisms underlying these parasite-induced alterations are poorly understood. The c...

journal_title：Molecular ecology

authors： Feldmeyer B,Mazur J,Beros S,Lerp H,Binder H,Foitzik S

更新日期：2016-01-01 00:00:00

abstract：:We investigated the use of PCR primers designed to conserved exons within nuclear DNA to amplify potentially variable regions such as introns or hypervariable exons from a wide range of species. We then explored various approaches to assay population-level variation in these PCR products. Primers designed to amplify r...

journal_title：Molecular ecology

authors： Slade RW,Moritz C,Heideman A,Hale PT

更新日期：1993-12-01 00:00:00

abstract：:Future climate scenarios predict changes in rainfall regimes. These changes are expected to affect plants via effects on the expression of root traits associated with water and nutrient uptake. Associated microorganisms may also respond to these new precipitation regimes, either directly in response to changes in the ...

journal_title：Molecular ecology

authors： Deveautour C,Donn S,Power SA,Bennett AE,Powell JR

更新日期：2018-04-01 00:00:00

abstract：:Increasing genetic diversity and maintaining evolutionary processes are primary goals of conservation translocations, which involve the intentional movement of an at-risk species to establish new populations or augment existing populations, with the ultimate goal of reversing declines. Much debate has focused on how t...

journal_title：Molecular ecology

authors： Albrecht MA,Edwards CE

更新日期：2020-11-01 00:00:00

abstract：:Ocean currents are expected to be the predominant environmental factor influencing the dispersal of planktonic larvae or spores; yet, their characterization as predictors of marine connectivity has been hindered by a lack of understanding of how best to use oceanographic data. We used a high-resolution oceanographic m...

journal_title：Molecular ecology

authors： Alberto F,Raimondi PT,Reed DC,Watson JR,Siegel DA,Mitarai S,Coelho N,Serrão EA

更新日期：2011-06-01 00:00:00

abstract：:Microsatellites are one of the most important classes of nuclear genetic markers and offer many advantages for the study of marine mammals. Here we describe the isolation and characterization of 12 cetacean microsatellites which are then tested across 30 different cetacean species. For around half the species tested, ...

journal_title：Molecular ecology

authors： Valsecchi E,Amos W

更新日期：1996-02-01 00:00:00

abstract：:The harbour porpoise, Phocoena phocoena, experiences high levels of nonnatural mortality owing to interactions with commercial fisheries throughout its range. To accurately evaluate the significance of this bycatch, information on population structure is required. We have examined the population structure of this spec...

journal_title：Molecular ecology

authors： Rosel PE,France SC,Wang JY,Kocher TD

更新日期：1999-12-01 00:00:00

abstract：:In the last decade, amplified fragment length polymorphisms (AFLPs) have become one of the most widely used molecular markers to study the genetic structure of natural populations. Most of the statistical methods available to study the genetic structure of populations using AFLPs consider these markers as dominant and...

journal_title：Molecular ecology

authors： Foll M,Fischer MC,Heckel G,Excoffier L

更新日期：2010-11-01 00:00:00

abstract：:The repeated evolution of similar phenotypes by similar mechanisms can be indicative of local adaptation, constraints or biases in the evolutionary process. Little is known about the incidence of physiological convergence in natural populations, so here we test whether energy metabolism in 'dwarf' and 'normal' Lake Wh...

journal_title：Molecular ecology

authors： Dalziel AC,Laporte M,Rougeux C,Guderley H,Bernatchez L

更新日期：2017-01-01 00:00:00

abstract：:In plants, pollination syndromes (the correlated presence of many features of relevance to pollination mode, for instance pollination by a particular animal clade) are a striking feature of plant biodiversity, providing great floral phenotypic diversity (Fenster et al. ). Adaptation to a particular animal pollinator p...

journal_title：Molecular ecology

authors： Cronk Q,Yang JY

更新日期：2016-12-01 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：:Landscape features are known to alter the spatial genetic variation of aboveground organisms. Here, we tested the hypothesis that the genetic structure of belowground organisms also responds to landscape structure. Microsatellite markers were used to carry out a landscape genetic study of two endogeic earthworm specie...

journal_title：Molecular ecology

authors： Dupont L,Torres-Leguizamon M,René-Corail P,Mathieu J

更新日期：2017-06-01 00:00:00

abstract：:Instances of hybridization between endemic and alien species pose a threat to species integrity but also provide us with an opportunity to study the dynamics of gene flow between two species as they first meet. Here, we used variation at 22 highly differentiated microsatellite loci and one mitochondrial DNA (mtDNA) ma...

journal_title：Molecular ecology

authors： Senn HV,Pemberton JM

更新日期：2009-03-01 00:00:00

abstract：:Mitochondrial DNA control region sequences and seven microsatellites were used to estimate the genetic structuring, evolutionary history and historic migration patterns of the kob antelope (Kobus kob). Ten populations were analysed, representing the three recognized K. kob subspecies: K. k. kob in west Africa, K. k. t...

journal_title：Molecular ecology

authors： Lorenzen ED,De Neergaard R,Arctander P,Siegismund HR

更新日期：2007-08-01 00:00:00

abstract：:The dynamics and consequences of introgression can inform about numerous evolutionary processes. Biologists have therefore long been interested in hybridization. One challenge, however, lies in the identification of nonadmixed genotypes that can serve as a baseline for accurate quantification of admixture. In this iss...

journal_title：Molecular ecology

authors： Hailer F

更新日期：2015-03-01 00:00:00

abstract：:The major aim of this study was to compare the phylogeographic patterns of codistributed bats and small nonvolant Neotropical mammals. Cytochrome b sequences (mitochondrial DNA) were obtained for a total of 275 bats representing 17 species. The tissue samples were collected in coastal Brazil, and were available from M...

journal_title：Molecular ecology

authors： Ditchfield AD

更新日期：2000-09-01 00:00:00

abstract：:Edaphic specialization is one of the main drivers of plant diversification and has multifaceted effects on population dynamics. Carex angustisquama is a sedge plant growing only on heavily acidified soil in solfatara fields, where only extremophytes can survive. Because of the lack of closely related species in simila...

journal_title：Molecular ecology

authors： Nagasawa K,Setoguchi H,Maki M,Goto H,Fukushima K,Isagi Y,Suyama Y,Matsuo A,Tsunamoto Y,Sawa K,Sakaguchi S

更新日期：2020-09-01 00:00:00

abstract：:Genetic assignment methods provide an appealing approach for characterizing dispersal patterns on ecological time scales, but require sufficient genetic differentiation to accurately identify migrants and a large enough sample size of migrants to, for example, compare dispersal between sexes or age classes. We demonst...

journal_title：Molecular ecology

authors： Hall LA,Palsbøll PJ,Beissinger SR,Harvey JT,Bérubé M,Raphael MG,Nelson SK,Golightly RT,McFarlane-Tranquilla L,Newman SH,Peery MZ

更新日期：2009-12-01 00:00:00

abstract：:As part of a large project to determine rooting depth and resource uptake on the Edwards Plateau of central Texas, we developed a DNA-based technique that allows the below-ground parts of all plants to be identified to the level of genus and usually to species. Identification is achieved by comparing DNA sequences of ...

journal_title：Molecular ecology

authors： Linder CR,Moore LA,Jackson RB

更新日期：2000-10-01 00:00:00

abstract：:In polygyne ants (multiple queens per colony) factors that affect the distribution and survival of queens may play a key role in shaping the population-wide mating system and colony kin structure. The aim of this paper was to study the breeding system in two populations of different age in the facultatively polygyne a...

journal_title：Molecular ecology

authors： Hannonen M,Helanterä H,Sundström L

更新日期：2004-06-01 00:00:00

abstract：:Biological invasions generally start from low initial population sizes, leading to reduced genetic variation in nuclear and especially mitochondrial DNA. Consequently, genetic approaches for the study of invasion history and population structure are difficult. An extreme example is the Mediterranean fruit fly, Ceratit...

journal_title：Molecular ecology

authors： Villablanca FX,Roderick GK,Palumbi SR

更新日期：1998-05-01 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：:We developed genetic markers for three microsatellite loci in the tropical tree Symphonia globulifera and used them to examine the demographic genetic consequences of forest fragmentation. High levels of genetic variation were revealed in samples of adults, saplings, and seedlings. The more-variable loci exhibited les...

journal_title：Molecular ecology

authors： Aldrich PR,Hamrick JL,Chavarriaga P,Kochert G

更新日期：1998-08-01 00:00:00

abstract：:Host-pathogen interactions are of particular interest in studies of the interplay between population dynamics and natural selection. The major histocompatibility complex (MHC) genes of demographically fluctuating species are highly suitable markers for such studies, because they are involved in initiating the immune r...

journal_title：Molecular ecology

authors： Bryja J,Charbonnel N,Berthier K,Galan M,Cosson JF

更新日期：2007-12-01 00:00:00