Genomic islands of divergence linked to ecotypic variation in sockeye salmon.

abstract：:In two sister species of leaf beetles with overlapping host associations, Chrysochus auratus and C. cobaltinus, we established diet breadth and food preference of local populations for evaluation together with genetic differentiation between populations. While C. auratus turned out to be monophagous on the same plant ...

journal_title：Molecular ecology

authors： Dobler S,Farrell BD

更新日期：1999-08-01 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：: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：:The spread of transgenes into the genome of wild soybean is a concern when transgenic and wild soybeans are planted sympatrically. The objectives of this study were to investigate the origin and fate of morphological intermediates between wild and cultivated soybeans in their natural habitats in Japan. Twenty nuclear ...

journal_title：Molecular ecology

authors： Kuroda Y,Kaga A,Tomooka N,Vaughan D

更新日期：2010-06-01 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：: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：:Inbreeding depression is the loss of fitness resulting from the mating of genetically related individuals. Traditionally, the study of inbreeding depression focused on genetic effects, although recent research has identified DNA methylation as also having a role in inbreeding effects. Since inbreeding depression and D...

journal_title：Molecular ecology

authors： Venney CJ,Johansson ML,Heath DD

更新日期：2016-09-01 00:00:00

abstract：:Invasive species' success may depend strongly on the genetic resources they maintain through the invasion process. We ask how many introductions have occurred in the North American weed Centaurea stoebe micranthos (Asteraceae), and explore whether genetic diversity and population structure have changed as a result of ...

journal_title：Molecular ecology

authors： Marrs RA,Sforza R,Hufbauer RA

更新日期：2008-10-01 00:00:00

abstract：:Pollen DNA metabarcoding-marker-based genetic identification of potentially mixed-species pollen samples-has applications across a variety of fields. While basic species-level pollen identification using standard DNA barcode markers is established, the extent to which metabarcoding (a) correctly assigns species identi...

journal_title：Molecular ecology

authors： Bell KL,Burgess KS,Botsch JC,Dobbs EK,Read TD,Brosi BJ

更新日期：2019-01-01 00:00:00

abstract：:The variation and taxonomic diversity among mammalian gut microbiomes raises several questions about the factors that contribute to the rates and patterns of change in these microbial communities. By comparing the microbiome compositions of 112 species representing 14 mammalian orders, we assessed how host and ecologi...

journal_title：Molecular ecology

authors： Nishida AH,Ochman H

更新日期：2018-04-01 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：:We define a genetic similarity rule that predicts how genetic variation in a dominant plant affects the structure of an arthropod community. This rule applies to hybridizing cottonwood species where plant genetic variation determines plant-animal interactions and structures a dependent community of leaf-modifying arth...

journal_title：Molecular ecology

authors： Bangert RK,Turek RJ,Rehill B,Wimp GM,Schweitzer JA,Allan GJ,Bailey JK,Martinsen GD,Keim P,Lindroth RL,Whitham TG

更新日期：2006-04-01 00:00:00

abstract：:We investigated whether birth weight and neonatal survival, a period within which 24% of all mortalities occur, were correlated with levels of inbreeding in St Kilda Soay sheep, using pedigree inbreeding coefficients and four marker-based estimators of inbreeding. None of the inbreeding estimators, either of the offsp...

journal_title：Molecular ecology

authors： Overall AD,Byrne KA,Pilkington JG,Pemberton JM

更新日期：2005-10-01 00:00:00

abstract：:As a result of an intense host-parasite evolutionary arms race, parasitic wasps frequently display high levels of specialization on very few host species. For instance, in braconid wasps very few generalist species have been described. However, within this family, Cotesia sesamiae is a generalist species that is wides...

journal_title：Molecular ecology

authors： Branca A,LE Ru BP,Vavre F,Silvain JF,Dupas S

更新日期：2011-03-01 00:00:00

abstract：:Molecular markers have proved extremely useful in resolving mating patterns within individual populations of a number of species, but little is known about how genetic mating systems might vary geographically within a species. Here we use microsatellite markers to compare patterns of sneaked fertilization and mating s...

journal_title：Molecular ecology

authors： Jones AG,Walker D,Lindström K,Kvarnemo C,Avise JC

更新日期：2001-02-01 00:00:00

abstract：:Inversion polymorphisms are responsible for many ecologically important phenotypes and are often found under balancing selection. However, the same features that ensure their large role in local adaptation-especially reduced recombination between alternate arrangements-mean that uncovering the precise loci within inve...

journal_title：Molecular ecology

authors： Ayala D,Zhang S,Chateau M,Fouet C,Morlais I,Costantini C,Hahn MW,Besansky NJ

更新日期：2019-03-01 00:00:00

abstract：:Unlike plants and vertebrates, the ecological preferences, and potential vulnerabilities of soil invertebrates to environmental change, remain poorly understood in terrestrial ecosystems globally. We conducted a cross-biome survey including 83 locations across six continents to advance our understanding of the ecologi...

journal_title：Molecular ecology

authors： Bastida F,Eldridge DJ,Abades S,Alfaro FD,Gallardo A,García-Velázquez L,García C,Hart SC,Pérez CA,Santos F,Trivedi P,Williams MA,Delgado-Baquerizo M

更新日期：2020-02-01 00:00:00

abstract：:Speciation in brood-parasitic indigobirds (genus Vidua) is a consequence of behavioural imprinting in both males and females. Mimicry of host song by males and host fidelity in female egg laying result in reproductive isolation of indigobirds associated with a given host species. Colonization of new hosts and subseque...

journal_title：Molecular ecology

authors： Sefc KM,Payne RB,Sorenson MD

更新日期：2005-04-01 00:00:00

abstract：:The evolutionary origin of extant species in the Neotropics, one of the most biodiverse regions of the world, has been widely debated. One hypothesis is that neotropical species emerged primarily during the Quaternary (the last approximately 2 million years), favoured by alternating glacial/interglacial climates. An o...

journal_title：Molecular ecology

authors： Rull V

更新日期：2008-06-01 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：:Tetrachaetum elegans Ingold is a saprobic aquatic hyphomycete for which no sexual stage has yet been described. It occurs most commonly during the initial decay of tree leaves in temperate freshwater habitats and typically sporulates under water. Dispersal of the aquatic fungus takes place primarily in the water colum...

journal_title：Molecular ecology

authors： Laitung B,Chauvet E,Feau N,Fève K,Chikhi L,Gardes M

更新日期：2004-06-01 00:00:00

abstract：:The Heliconius butterflies are a diverse recent radiation comprising multiple levels of divergence with ongoing gene flow between species. The recently sequenced genome of Heliconius melpomene allowed us to investigate the genomic evolution of this group using dense RAD marker sequencing. Phylogenetic analysis of 54 i...

journal_title：Molecular ecology

authors： Nadeau NJ,Martin SH,Kozak KM,Salazar C,Dasmahapatra KK,Davey JW,Baxter SW,Blaxter ML,Mallet J,Jiggins CD

更新日期：2013-02-01 00:00:00

abstract：:Biological control requires specific tools for the accurate detection and identification of natural enemies, and to detect unusual variations in their density, which may follow changes in agricultural practices. Here we have developed specific molecular markers to detect Lydella thompsoni (Herting) and Pseudoperichaet...

journal_title：Molecular ecology

authors： Agustí N,Bourguet D,Spataro T,Delos M,Eychenne N,Folcher L,Arditi R

更新日期：2005-09-01 00:00:00

abstract：:The primary goal of captive breeding programmes for endangered species is to prevent extinction, a component of which includes the preservation of genetic diversity and avoidance of inbreeding. This is typically accomplished by minimizing mean kinship in the population, thereby maintaining equal representation of the ...

journal_title：Molecular ecology

authors： Hammerly SC,Morrow ME,Johnson JA

更新日期：2013-11-01 00:00:00

abstract：:The relatedness structure of animal populations is thought to be a critically important factor underlying the evolution of mating systems and social behaviours. While previous work has shown that population structure is shaped by many biological processes, few studies have investigated how these factors vary over time...

journal_title：Molecular ecology

authors： Nichols HJ,Jordan NR,Jamie GA,Cant MA,Hoffman JI

更新日期：2012-11-01 00:00:00

abstract：:It is challenging to unravel the history of organisms with highly scattered populations. Such species may have fragmented distributions because extant populations are remnants of a previously more continuous range, or because the species has narrow habitat requirements in combination with good dispersal capacity (natu...

journal_title：Molecular ecology

authors： Cassel-Lundhagen A,Ronnås C,Battisti A,Wallén J,Larsson S

更新日期：2013-06-01 00:00:00

abstract：:The population structure of the giant mottled eel, Anguilla marmorata, was investigated with mitochondrial and microsatellite DNA analyses using 449 specimens from 13 localities throughout the species range. Control region F-statistics indicated the North Pacific (Japan, Taiwan, Philippines, Sulawesi), South Pacific (...

journal_title：Molecular ecology

authors： Minegishi Y,Aoyama J,Tsukamoto K

更新日期：2008-07-01 00:00:00

abstract：:Telomeres are dynamic DNA-protein structures that form protective caps at the ends of eukaryotic chromosomes. Although initial telomere length is partly genetically determined, subsequent accelerated telomere shortening has been linked to elevated levels of oxidative stress. Recent studies show that short telomere len...

journal_title：Molecular ecology

authors： Pauliny A,Wagner RH,Augustin J,Szép T,Blomqvist D

更新日期：2006-05-01 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

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