The effects of cyclic dynamics and mating system on the effective size of an island mouflon population.

abstract：:Amphibians are a globally distributed and diverse lineage, but much of our current understanding of their population genetic structure comes from studies in mesic temperate habitats. We characterize the population genetic structure of two sympatric explosive breeding amphibians in the southwestern deserts of the Unite...

journal_title：Molecular ecology

authors： Chan LM,Zamudio KR

更新日期：2009-08-01 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：:In order to contribute to the debate about southern glacial refugia used by temperate species and more northern refugia used by boreal or cold-temperate species, we examined the phylogeography of a widespread snake species (Vipera berus) inhabiting Europe up to the Arctic Circle. The analysis of the mitochondrial DNA ...

journal_title：Molecular ecology

authors： Ursenbacher S,Carlsson M,Helfer V,Tegelström H,Fumagalli L

更新日期：2006-10-01 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：:The Monotropoideae (Ericaceae) are nonphotosynthetic plants that obtain fixed carbon from their fungal mycorrhizal associates. To infer the evolutionary history of this symbiosis we identified both the plant and fungal lineages involved using a molecular phylogenetic approach to screen 331 plants, representing 10 of t...

journal_title：Molecular ecology

authors： Bidartondo MI,Bruns TD

更新日期：2001-09-01 00:00:00

abstract：:We studied the phylogenetic relationships among the three stone pine species, Pinus cembra, P. sibirica, and P. pumila, using chloroplast microsatellites and mitochondrial nad1 intron 2 sequences. The three chloroplast microsatellite loci combined into a total of 18 haplotypes. Fourteen haplotypes were detected in 15 ...

journal_title：Molecular ecology

authors： Gugerli F,Senn J,Anzidei M,Madaghiele A,Büchler U,Sperisen C,Vendramin GG

更新日期：2001-06-01 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：:Metapopulation genetic models consider that colonization and dispersal are distinct behaviours. However, whether colonization and dispersal indeed reflect different biological processes in nature is unclear. One possibility to test this assumption is to assess patterns of autosomal and mitochondrial genetic structure ...

journal_title：Molecular ecology

authors： Kerth G,Petit E

更新日期：2005-11-01 00:00:00

abstract：:Patterns of genetic differentiation in the plains zebra (Equus quagga) were analysed using mitochondrial DNA control region variation and seven microsatellites. The six morphologically defined subspecies of plains zebra lacked the population genetic structure indicative of distinct evolutionary units. Both marker sets...

journal_title：Molecular ecology

authors： Lorenzen ED,Arctander P,Siegismund HR

更新日期：2008-06-01 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 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：:Fire is a complex event that maintains many ecological systems. The Florida Sand Skink (Plestiodon reynoldsi) is precinctive to Florida Scrub, a habitat that is maintained by infrequent fire. We characterize the effect of fire on genetic diversity and genetic differentiation at eight microsatellite loci in the Florida...

journal_title：Molecular ecology

authors： Schrey AW,Fox AM,Mushinsky HR,McCoy ED

更新日期：2011-01-01 00:00:00

abstract：:A breakdown of self-incompatibility (SI) followed by a shift to selfing is commonly observed in the evolution of flowering plants. Both are expected to reduce the levels of heterozygosity and genetic diversity. However, breakdown of SI should most strongly affect the region of the SI locus (S-locus) because of the rel...

journal_title：Molecular ecology

authors： Haudry A,Zha HG,Stift M,Mable BK

更新日期：2012-03-01 00:00:00

abstract：:Population decline in the federally endangered June sucker (Chasmistes liorus), a lakesucker unique to Utah Lake, Utah, has been attributed in part to hybridization with the more widespread Utah sucker (Catostomus ardens). As a group, suckers in Utah Lake exhibit considerable external morphological variation. Meristic...

journal_title：Molecular ecology

authors： Cole DD,Mock KE,Cardall BL,Crowl TA

更新日期：2008-12-01 00:00:00

abstract：:Genetic variation supplies the raw material for adaptation, evolution and survival of populations and has therefore been a key focus of conservation biology ever since its foundation (Soulé 1985). In previous decades, the neutral component of genetic diversity (generated by mutation and shaped by drift) has been the s...

journal_title：Molecular ecology

authors： Ficetola GF,Bonin AL

更新日期：2011-04-01 00:00:00

abstract：:Many marine organisms can be transported hundreds of kilometres during their pelagic larval stage, yet little is known about spatial and temporal patterns of larval dispersal. Although traditional population-genetic tools can be applied to infer movement of larvae on an evolutionary timescale, large effective populati...

journal_title：Molecular ecology

authors： Pusack TJ,Christie MR,Johnson DW,Stallings CD,Hixon MA

更新日期：2014-07-01 00:00:00

abstract：:Habitat fragmentation represents the single most serious threat to the survival of tropical ecosystems. In formulating strategies to counteract the detrimental effects of fragmentation, knowledge of the levels and patterns of genetic diversity within and between natural populations is vital to the establishment of any...

journal_title：Molecular ecology

authors： Lira CF,Cardoso SR,Ferreira PC,Cardoso MA,Provan J

更新日期：2003-12-01 00:00:00

abstract：:Conspecific brood parasitism allows females to exploit other females' nests and enhance their reproductive output. Here, we test a recent theoretical model of how host females gain inclusive fitness from brood parasitism. High levels of relatedness between host and parasitizer can be maintained either by: (a) kin reco...

journal_title：Molecular ecology

authors： Hervey SD,Barnas AF,Stechmann TJ,Rockwell RF,Ellis-Felege SN,Darby BJ

更新日期：2019-11-01 00:00:00

abstract：:The ecological effects of climate change have been shown in most major taxonomic groups; however, the evolutionary consequences are less well-documented. Adaptation to new climatic conditions offers a potential long-term mechanism for species to maintain viability in rapidly changing environments, but mammalian exampl...

journal_title：Molecular ecology

authors： Waterhouse MD,Erb LP,Beever EA,Russello MA

更新日期：2018-06-01 00:00:00

abstract：:The Veronica alpina complex comprises eight species of alpine habitats over a wide range of mountain systems in the Northern Hemisphere. The occurrence of sympatric species in the European and North American mountain systems allowed us not only to investigate the effect of the ice ages on intraspecific phylogeographic...

journal_title：Molecular ecology

authors： Albach DC,Schönswetter P,Tribsch A

更新日期：2006-10-01 00:00:00

abstract：:Gene flow among incipient species can act as a creative or destructive force in the speciation process, generating variation on which natural selection can act while, potentially, undermining population divergence. The flowering plant genus Carex exhibits a rapid and relatively recent radiation with many species limit...

journal_title：Molecular ecology

authors： Maguilla E,Escudero M,Hipp AL,Luceño M

更新日期：2017-10-01 00:00:00

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：:The host-associated microbiome is increasingly recognized as a critical player in health and immunity. Recent studies have shown that disruption of commensal microbial communities can contribute to disease pathogenesis and severity. Santa Catalina Island foxes (Urocyon littoralis catalinae) present a compelling system...

journal_title：Molecular ecology

authors： DeCandia AL,Brenner LJ,King JL,vonHoldt BM

更新日期：2020-04-01 00:00:00

abstract：:Accurate identification of species that are consumed by vertebrate predators is necessary for understanding marine food webs. Morphological methods for identifying prey components after consumption often fail to make accurate identifications of invertebrates because prey morphology becomes damaged during capture, inge...

journal_title：Molecular ecology

authors： Jarman SN,Gales NJ,Tierney M,Gill PC,Elliott NG

更新日期：2002-12-01 00:00:00

abstract：:Understanding the role of interspecific interactions in shaping ecological communities is one of the central goals in community ecology. In fungal communities, measuring interspecific interactions directly is challenging because these communities are composed of large numbers of species, many of which are unculturable...

journal_title：Molecular ecology

authors： Abrego N,Roslin T,Huotari T,Tack AJM,Lindahl BD,Tikhonov G,Somervuo P,Schmidt NM,Ovaskainen O

更新日期：2020-07-01 00:00:00

abstract：:Phylogeography has provided a new approach to the analysis of the postglacial history of a wide range of taxa but, to date, little is known about the effect of glacial periods on the marine biota of Europe. We have utilized a combination of nuclear, plastid and mitochondrial genetic markers to study the biogeographic ...

journal_title：Molecular ecology

authors： Provan J,Wattier RA,Maggs CA

更新日期：2005-03-01 00:00:00

abstract：:The success of coral reefs is due to obligate mutualistic symbioses involving invertebrates and photosynthetic dinoflagellate symbionts belonging to the genus Symbiodinium. In the Caribbean, the vast majority of octocorals and other invertebrate hosts associate with Symbiodinium clade B, and more selectively, with a s...

journal_title：Molecular ecology

authors： Santos SR,Shearer TL,Hannes AR,Coffroth MA

更新日期：2004-02-01 00:00:00

abstract：:The analysis of mitochondrial DNA sequences has for a long time been the most extensively used genetic tool for phylogenetic, phylogeographic and population genetic studies. Since this approach only considers female lineages, it tends to give a biased picture of the population history. The use of protein polymorphisms...

journal_title：Molecular ecology

authors： Sundqvist AK,Ellegren H,Olivier M,Vilà C

更新日期：2001-08-01 00:00:00

abstract：:Effects of habitat fragmentation on genetic diversity vary among species. This may be attributed to the interacting effects of species traits and landscape structure. While widely distributed and abundant species are often considered less susceptible to fragmentation, this may be different if they are small sized and ...

journal_title：Molecular ecology

authors： Lange R,Durka W,Holzhauer SI,Wolters V,Diekötter T

更新日期：2010-11-01 00:00:00

abstract：:Episodes of trans-Arctic faunal exchange and isolation between the north Pacific and Atlantic ocean basins have been implicated as important historic geological events contributing to extant patterns of genetic diversity and structure in Holarctic faunas. We made a further test of the significance of such biogeographi...

journal_title：Molecular ecology

authors： Taylor EB,Dodson JJ

更新日期：1994-06-01 00:00:00