Biodiversity of rhizobia isolated from a wide range of forest legumes in Brazil.

abstract：:Mitochondrial DNA sequence data for 295 individuals of the marine bivalve Macoma balthica (L.) were collected from 10 sites across the European distribution, and from Alaska. The data were used to infer population subdivision history and estimate current levels of gene flow. Inferred historical biogeography was expect...

journal_title：Molecular ecology

authors： Luttikhuizen PC,Drent J,Baker AJ

更新日期：2003-08-01 00:00:00

abstract：:The objective of this study was to assess the spatiotemporal distribution of four landlocked Atlantic salmon (Salmo salar) populations during their sympatric feeding phase in lake St-Jean (Québec, Canada). A total of 1100 fish captured over a period of 25 years was genotyped at six microsatellite loci in order to asse...

journal_title：Molecular ecology

authors： Potvin C,Bernatchez L

更新日期：2001-10-01 00:00:00

abstract：:Widely distributed taxa provide an opportunity to compare biogeographic responses to climatic fluctuations on multiple continents and to investigate speciation. We conducted the most geographically and genomically comprehensive study to date of the red fox (Vulpes vulpes), the world's most widely distributed wild terr...

journal_title：Molecular ecology

authors： Statham MJ,Murdoch J,Janecka J,Aubry KB,Edwards CJ,Soulsbury CD,Berry O,Wang Z,Harrison D,Pearch M,Tomsett L,Chupasko J,Sacks BN

更新日期：2014-10-01 00:00:00

abstract：:Since the late 1990s, molecular techniques have fuelled debate about the role of Pleistocene glacial cycles in structuring contemporary avian diversity in North America. The debate is still heated; however, there is widespread agreement that the Pleistocene glacial cycles forced the repeated contraction, fragmentation...

journal_title：Molecular ecology

authors： Spellman GM,Riddle B,Klicka J

更新日期：2007-03-01 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：:Phylogeographic patterns in Macrodon ancylodon sampled from 12 locations across all its range were investigated using mitochondrial DNA cytochrome b sequences, and analysed together with patterns of morphometric differentiation. Populations of the North Brazil and the Brazil currents, with warmer waters, form a clade ...

journal_title：Molecular ecology

authors： Santos S,Hrbek T,Farias IP,Schneider H,Sampaio I

更新日期：2006-12-01 00:00:00

abstract：:Anthropogenic habitat fragmentation of species that live in naturally patchy metapopulations such as mountaintops or sky islands experiences two levels of patchiness. Effects of such multilevel patchiness on species have rarely been examined. Metapopulation theory suggests that patchy habitats could have varied impact...

journal_title：Molecular ecology

authors： Robin VV,Gupta P,Thatte P,Ramakrishnan U

更新日期：2015-07-01 00:00:00

abstract：:The early stages of invasion involve demographic bottlenecks that may result in lower genetic variation in introduced populations as compared to source population/s. Low genetic variability may decrease the adaptive potential of such populations in their new environments. Previous population genetic studies of invasiv...

journal_title：Molecular ecology

authors： Ciosi M,Miller NJ,Kim KS,Giordano R,Estoup A,Guillemaud T

更新日期：2008-08-01 00:00:00

abstract：:The genetic variation across a species' range is an important factor in speciation and conservation, yet searching for general patterns and underlying causes remains challenging. While the majority of comparisons between central and marginal populations have revealed a general central-marginal (C-M) decline in genetic...

journal_title：Molecular ecology

authors： Guo Q

更新日期：2012-11-01 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

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：: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：:The koala, Phascolarctos cinereus, is a geographically widespread species endemic to Australia, with three currently recognized subspecies: P.c. adustus, P.c. cinereus, and P.c. victor. Intraspecific variation in the mitochondrial DNA (mtDNA) control region was examined in over 200 animals from 16 representative popul...

journal_title：Molecular ecology

authors： Houlden BA,Costello BH,Sharkey D,Fowler EV,Melzer A,Ellis W,Carrick F,Baverstock PR,Elphinstone MS

更新日期：1999-06-01 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：:With the availability of highly variable microsatellite loci, many previously elusive aspects of the lives of animals have been revealed. One important finding is that multiple paternity (MP) appears to be somewhat common throughout the metazoa. Frequently, along with the discovery of MP are assertions that it can inc...

journal_title：Molecular ecology

authors： Karl SA

更新日期：2008-09-01 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：:Ocean warming will undoubtedly affect the migratory patterns of many marine species, but specific changes can be predicted only where behavioural mechanisms guiding migration are understood. Southern right whales show maternally inherited site fidelity to near-shore winter nursery grounds, but exactly where they feed ...

journal_title：Molecular ecology

authors： Valenzuela LO,Sironi M,Rowntree VJ,Seger J

更新日期：2009-03-01 00:00:00

abstract：:Many insects possess endosymbiotic bacteria inside their body, wherein intimate interactions occur between the partners. While recent technological advancements have deepened our understanding of metabolic and evolutionary features of the symbiont genomes, molecular mechanisms underpinning the intimate interactions re...

journal_title：Molecular ecology

authors： Kikuchi Y,Fukatsu T

更新日期：2014-03-01 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：:Host specialization is a key process in ecological divergence and speciation of plant-associated fungi. The underlying determinants of host specialization are generally poorly understood, especially in endophytes, which constitute one of the most abundant components of the plant microbiome. We addressed the genetic ba...

journal_title：Molecular ecology

authors： Schirrmann MK,Zoller S,Croll D,Stukenbrock EH,Leuchtmann A,Fior S

更新日期：2018-08-01 00:00:00

abstract：:Current forestry policy promotes the use of local seed for new plantings, on the assumption that local material may be better adapted to local conditions. However, landscape-scale genetic studies which are necessary to underpin conservation and breeding strategies are often lacking. We investigated molecular diversity...

journal_title：Molecular ecology

authors： Sutherland BG,Belaj A,Nier S,Cottrell JE,P Vaughan S,Hubert J,Russell K

更新日期：2010-06-01 00:00:00

abstract：:Although many sharks begin their life confined in nursery habitats, it is unknown how rapidly they disperse away from their natal area once they leave the nursery. We examine this issue in immature lemon sharks (Negaprion brevirostris) from the time they leave the nursery (approximately age 3) at a subtropical island ...

journal_title：Molecular ecology

authors： Chapman DD,Babcock EA,Gruber SH,Dibattista JD,Franks BR,Kessel SA,Guttridge T,Pikitch EK,Feldheim KA

更新日期：2009-08-01 00:00:00

abstract：:Populations are often exposed to multiple sources of gene flow, but accounts are lacking of the population genetic dynamics that result from these interactions or their effects on local evolution. Using a genomic clines framework applied to 1,195 single nucleotide polymorphisms, we documented genomewide, locus-specifi...

journal_title：Molecular ecology

authors： Blackburn GS,Brunet BMT,Muirhead K,Cusson M,Béliveau C,Levesque RC,Lumley LM,Sperling FAH

更新日期：2017-12-01 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：:While microsatellites have been used to examine genetic structure in local populations of Neotropical trees, genetic studies based on such high-resolution markers have not been carried out for Mesoamerica as a whole. Here we assess the genetic structure of the Mesoamerican mahogany Swietenia macrophylla King (big-leaf...

journal_title：Molecular ecology

authors： Novick RR,Dick CW,Lemes MR,Navarro C,Caccone A,Bermingham E

更新日期：2003-11-01 00:00:00

abstract：:The formation of continental Europe in the Neogene was due to the regression of the Tethys Ocean and of the Paratethys Sea. The dynamic geology of the area and repetitious transitions between marine and freshwater conditions presented opportunities for the colonization of newly emerging hydrological networks and diver...

journal_title：Molecular ecology

authors： Mamos T,Wattier R,Burzyński A,Grabowski M

更新日期：2016-02-01 00:00:00

abstract：:Recently evolved species typically share genetic variation across their genomes due to incomplete lineage sorting and/or ongoing gene flow. Given only subtle allele frequency differences at most loci and the expectation that divergent selection may affect only a tiny fraction of the genome, distinguishing closely rela...

journal_title：Molecular ecology

authors： Lavretsky P,DaCosta JM,Sorenson MD,McCracken KG,Peters JL

更新日期：2019-05-01 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：:In certain cases, a species may have access to important genetic variation present in a related species via adaptive introgression. These novel alleles may interact with their new genetic background, resulting in unexpected phenotypes. In this study, we describe a selective sweep on standing variation on the X chromos...

journal_title：Molecular ecology

authors： Main BJ,Lee Y,Collier TC,Norris LC,Brisco K,Fofana A,Cornel AJ,Lanzaro GC

更新日期：2015-10-01 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