Features of DNA fragments obtained by random amplified polymorphic DNA (RAPD) assays

abstract：:Sky islands are ideal systems for determining the effects of climatic oscillations on species distributions and genetic structure. Our study focused on montane stonefly populations in the Great Basin of western North America. We used niche-based distribution modelling, phylogeography and traditional species-based biog...

journal_title：Molecular ecology

authors： Schultheis AS,Booth JY,Perlmutter LR,Bond JE,Sheldon AL

更新日期：2012-07-01 00:00:00

abstract：:In the absence of pedigree information, the determination of genetic distinctness of populations can only be made by genetic methods. Using DNA fingerprinting on the North American captive herd of Speke's gazelle Gazella spekei, we were able to address two hypotheses. First, two new individuals were found to have come...

journal_title：Molecular ecology

authors： Butler MA,Templeton AR,Read B

更新日期：1994-08-01 00:00:00

abstract：:At high altitude, the reduced availability of thermal energy and oxygen poses major challenges to organisms. Different species or populations have evolved similar solutions to these challenges, such as blood flow regulation in animals (Bouverot, 1985). Previous studies investigating such convergent adaptations have pr...

journal_title：Molecular ecology

authors： Mazel F

更新日期：2019-05-01 00:00:00

abstract：:Inbreeding is common in small and threatened populations and often has a negative effect on individual fitness and genetic diversity. Thus, inbreeding can be an important factor affecting the persistence of small populations. In this study, we investigated the effects of inbreeding on fitness in a small, wild populati...

journal_title：Molecular ecology

authors： Billing AM,Lee AM,Skjelseth S,Borg AA,Hale MC,Slate J,Pärn H,Ringsby TH,Saether BE,Jensen H

更新日期：2012-03-01 00:00:00

abstract：:Unlike other migratory hummingbirds in North America, the broad-tailed hummingbird (Selasphorus platycercus) exhibits both long-distance migratory behaviour in the USA and sedentary behaviour in Mexico and Guatemala. We examined the evolution of migration linked to its northward expansion using a multiperspective appr...

journal_title：Molecular ecology

authors： Malpica A,Ornelas JF

更新日期：2014-02-01 00:00:00

abstract：:Island ecosystems provide an opportunity to examine a range of evolutionary and ecological processes. The Chatham Islands are an isolated archipelago situated approximately 800 km east of New Zealand. Geological evidence indicates that the Chatham Islands re-emerged within the last 1-4 million years, following a prolo...

journal_title：Molecular ecology

authors： Liggins L,Chapple DG,Daugherty CH,Ritchie PA

更新日期：2008-07-01 00:00:00

abstract：:Following the announcement of the first case of rabbit haemorrhagic disease (RHD) in a pet rabbit, housed indoors in Canada for more than 1 year, I submitted an evidence-based explanation to ProMed explaining how RHD might have caused the death of 'one' of the three pet rabbits. I suggested with supporting evidence, t...

journal_title：Molecular ecology

authors： Gould EA

更新日期：2012-03-01 00:00:00

abstract：:Diversification and speciation of terrestrial organisms are anticipated in oceanic islands such as Macaronesia, a group of Atlantic islands that have remained unconnected to continental landmasses. Hitherto, the diversification of marine organisms in oceanic islands, especially those with low vagility, has received li...

journal_title：Molecular ecology

authors： Vieira PE,Desiderato A,Holdich DM,Soares P,Creer S,Carvalho GR,Costa FO,Queiroga H

更新日期：2019-04-01 00:00:00

abstract：:Selection on coevolving sperm- and egg-recognition molecules is a potent engine of population divergence leading to reproductive isolation and speciation. The study of receptor-ligand pairs can reveal co-evolution of male- and female-expressed genes or differences between their evolution in response to selective facto...

journal_title：Molecular ecology

authors： Hart MW

更新日期：2013-04-01 00:00:00

abstract：:Both climatic and geographical factors play an important role for the biogeographical distribution of species. The Carpathian mountain ridge has been suggested as a natural geographical divide between the two honeybee subspecies Apis mellifera carnica and A. m. macedonica. We sampled one worker from one colony each at...

journal_title：Molecular ecology

authors： Coroian CO,Muñoz I,Schlüns EA,Paniti-Teleky OR,Erler S,Furdui EM,Mărghitaş LA,Dezmirean DS,Schlüns H,de la Rúa P,Moritz RF

更新日期：2014-05-01 00:00:00

abstract：:Immune responses evolve to balance the benefits of microbial killing against the costs of autoimmunity and energetic resource use. Models that explore the evolution of optimal immune responses generally include a term for constitutive immunity, or the level of immunological investment prior to microbial exposure, and ...

journal_title：Molecular ecology

authors： Jent D,Perry A,Critchlow J,Tate AT

更新日期：2019-12-01 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：:To explore how biogeography, parasite life history and host vagility influences evolutionary codivergences, we followed a comparative phylogeography approach using a host-specific nonpermanent mite, Laelaps giganteus, that occurs on four rodent species within the genus Rhabdomys. A mtDNA COI haplotype network derived ...

journal_title：Molecular ecology

authors： Engelbrecht A,Matthee S,du Toit N,Matthee CA

更新日期：2016-02-01 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：:Distinguishing between primary and secondary intergradation among differentiated populations, and the relative importance of drift and selection, are persistent problems in evolutionary biology. An historical perspective on population interactions can provide insight into the nature of contacts, and thus help resolve ...

journal_title：Molecular ecology

authors： Schneider CJ

更新日期：1996-04-01 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：:Landscape genetics offers a powerful approach to understanding species' dispersal patterns. However, a central obstacle is to account for ecological processes operating at multiple spatial scales, while keeping research outcomes applicable to conservation management. We address this challenge by applying a novel multi...

journal_title：Molecular ecology

authors： Dudaniec RY,Rhodes JR,Worthington Wilmer J,Lyons M,Lee KE,McAlpine CA,Carrick FN

更新日期：2013-07-01 00:00:00

abstract：:Investigating how environmental features shape the genetic structure of populations is crucial for understanding how they are potentially adapted to their habitats, as well as for sound management. In this study, we assessed the relative importance of spatial distribution, ocean currents and sea surface temperature (S...

journal_title：Molecular ecology

authors： Benestan L,Quinn BK,Maaroufi H,Laporte M,Clark FK,Greenwood SJ,Rochette R,Bernatchez L

更新日期：2016-10-01 00:00:00

abstract：:Determining how genetic diversity is structured between populations that span the divergence continuum from populations to biological species is key to understanding the generation and maintenance of biodiversity. We investigated genetic divergence and gene flow in eight lineages of birds with a trans-Beringian distri...

journal_title：Molecular ecology

authors： McLaughlin JF,Faircloth BC,Glenn TC,Winker K

更新日期：2020-09-01 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：:The ocellated antbird (Phaenostictus mcleannani) feeds in groups and therefore is an informative species in which to study the biological factors that modulate avian group living. These birds congregate at swarms of army ants to capture fleeing prey, and previous observations suggest that males may be philopatric, fee...

journal_title：Molecular ecology

authors： Chaves-Campos J,DeWoody JA

更新日期：2008-06-01 00:00:00

abstract：:Phenotypic divergence among natural populations can be explained by natural selection or by neutral processes such as drift. Many examples in the literature compare putatively neutral (FST ) and quantitative genetic (QST ) differentiation in multiple populations to assess their evolutionary signature and identify cand...

journal_title：Molecular ecology

authors： Marin S,Gibert A,Archambeau J,Bonhomme V,Lascoste M,Pujol B

更新日期：2020-08-01 00:00:00

abstract：:Typha glauca represents a significant portion of the biomass of the wetlands surrounding the Great Lakes, USA. It is generally accepted to be a form of hybrid between T. latifolia and T. angustifolia, which itself appears to be an exotic introduction from Europe. Based on morphological and isozyme data, conflicting th...

journal_title：Molecular ecology

authors： Kuehn MM,Minor JE,White BN

更新日期：1999-12-01 00:00:00

abstract：:The genetic structure of Apis mellifera populations from the Canary Islands has been assessed by mitochondrial (restriction fragment length polymorphisms of the intergenic transfer RNAleu-COII region) and nuclear (microsatellites) studies. These populations show a low level of genetic variation in terms of average num...

journal_title：Molecular ecology

authors： De la Rúa P,Galián J,Serrano J,Moritz RF

更新日期：2001-07-01 00:00:00

abstract：:Molecular markers, such as mitochondrial DNA and microsatellite loci, are widely studied to assess population genetics and phylogeography; however, the selective neutrality of these markers is increasingly being questioned. Given the importance of molecular markers in fisheries science and conservation, we evaluated t...

journal_title：Molecular ecology

authors： McCusker MR,Bentzen P

更新日期：2010-11-01 00:00:00

abstract：:Understanding how landscape heterogeneity mediates the effects of fire on biodiversity is increasingly important under global changes in fire regimes. We used a simulation experiment to investigate how fire regimes interact with topography and weather to shape neutral and selection-driven genetic diversity under alter...

journal_title：Molecular ecology

authors： Banks SC,Davies ID,Cary GJ

更新日期：2017-10-01 00:00:00

abstract：:Understanding the origin of new species is a central goal in evolutionary biology. Diverging lineages often evolve highly heterogeneous patterns of genetic differentiation; however, the underlying mechanisms are not well understood. We investigated evolutionary processes governing genetic differentiation between the h...

journal_title：Molecular ecology

authors： Liu X,Glémin S,Karrenberg S

更新日期：2020-09-01 00:00:00

abstract：:Anthropogenic global climate change is expected to cause severe range contractions among alpine plants. Alpine areas in the Mediterranean region are of special concern because of the high abundance of endemic species with narrow ranges. This study combined species distribution models, population structure analyses and...

journal_title：Molecular ecology

authors： Blanco-Pastor JL,Fernández-Mazuecos M,Vargas P

更新日期：2013-08-01 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：:Palaeoclimatic events and biogeographical processes since the mid-Tertiary are believed to have strongly influenced the evolution and distribution of the terrestrial vertebrate fauna of southeastern Australia. We examined the phylogeography of the temperate-adapted members of the Egernia whitii species group, a group ...

journal_title：Molecular ecology

authors： Chapple DG,Keogh JS,Hutchinson MN

更新日期：2005-04-01 00:00:00