Ecological patterns and genetic analysis of post-dispersal seed predation in sunflower (Helianthus annuus) crop-wild hybrids.

abstract：:In a broad survey of Drosophila melanogaster population samples, levels of abdominal pigmentation were found to be highly variable and geographically differentiated. A strong positive correlation was found between dark pigmentation and high altitude, suggesting adaptation to specific environments. DNA sequence polymor...

journal_title：Molecular ecology

authors： Pool JE,Aquadro CF

更新日期：2007-07-01 00:00:00

abstract：:We investigated genetic differentiation among populations of the clonal grass Elymus athericus, a common salt-marsh species occurring along the Wadden Sea coast of Europe. While E. athericus traditionally occurs in the high salt marsh, it recently also invaded lower parts of the marsh. In one of the first analyses of ...

journal_title：Molecular ecology

authors： Bockelmann AC,Reusch TB,Bijlsma R,Bakker JP

更新日期：2003-02-01 00:00:00

abstract：:Greater prairie-chickens (Tympanuchus cupido pinnatus) were once found throughout the tallgrass prairie of midwestern North America but over the last century these prairies have been lost or fragmented by human land use. As a consequence, many current populations of prairie-chickens have become isolated and small. Thi...

journal_title：Molecular ecology

authors： Johnson JA,Toepfer JE,Dunn PO

更新日期：2003-12-01 00:00:00

abstract：:Philopatry and dispersal result in selection of habitat locations that may differ in resources and social environment and thus should influence fitness components like survival and reproduction. We examined short-distance movements of young and adult females from natal or previous nesting sites within a colony of Colu...

journal_title：Molecular ecology

authors： Arnaud CM,Dobson FS,Murie JO

更新日期：2012-02-01 00:00:00

abstract：:Avian wing length is an important trait that covaries with the ecology and migratory behaviour of a species and tends to change rapidly when the conditions are altered. Long-distance migrants typically have longer wings than short-distance migrants and sedentary species, and long-winged species also tend to be more di...

journal_title：Molecular ecology

authors： Schielzeth H,Forstmeier W,Kempenaers B,Ellegren H

更新日期：2012-01-01 00:00:00

abstract：:Tropical forests have a high diversity of plant species; are they associated with a correspondingly rich microbial flora? We addressed this question by examining the symbiotic rhizobium bacteria that nodulate a diverse pool of forest legume species in Brazil. The 44 strains studied had been isolated from 29 legume tre...

journal_title：Molecular ecology

authors： Moreira FM,Haukka K,Young JP

更新日期：1998-07-01 00:00:00

abstract：:Antarctic ecosystems are dominated by micro-organisms, and viruses play particularly important roles in the food webs. Since the first report in 2009 (López-Bueno et al. ), 'omic'-based studies have greatly enlightened our understanding of Antarctic aquatic microbial diversity and ecosystem function (Wilkins et al. ; ...

journal_title：Molecular ecology

authors： Cavicchioli R,Erdmann S

更新日期：2015-10-01 00:00:00

abstract：:The microbiomes of rhizocompartments (nodule endophytes, root endophytes, rhizosphere and root zone) in soya bean and alfalfa were analysed using high-throughput sequencing to investigate the interactions among legume species, microorganisms and soil types. A clear hierarchical filtration of microbiota by plants was o...

journal_title：Molecular ecology

authors： Xiao X,Chen W,Zong L,Yang J,Jiao S,Lin Y,Wang E,Wei G

更新日期：2017-03-01 00:00:00

abstract：:It is now common for population geneticists to estimate FST for a large number of loci across the genome, before testing for selected loci as being outliers to the FST distribution. One surprising result of such FST scans is the often high proportion (>1% and sometimes >10%) of outliers detected, and this is often int...

journal_title：Molecular ecology

authors： Bierne N,Roze D,Welch JJ

更新日期：2013-04-01 00:00:00

abstract：:Modes and mechanisms of speciation are best studied in young species pairs. In older taxa, it is increasingly difficult to distinguish what happened during speciation from what happened after speciation. Lake Victoria cichlids in the genus Pundamilia encompass a complex of young species and polymorphic populations. On...

journal_title：Molecular ecology

authors： Meier JI,Sousa VC,Marques DA,Selz OM,Wagner CE,Excoffier L,Seehausen O

更新日期：2017-01-01 00:00:00

abstract：:Mounting evidence suggests that average telomere length reflects previous stress and predicts subsequent survival across vertebrate species. In humans, leucocyte telomere length (LTL) is consistently shorter during adulthood in males than in females, although the causes of this sex difference and its generality to oth...

journal_title：Molecular ecology

authors： Watson RL,Bird EJ,Underwood S,Wilbourn RV,Fairlie J,Watt K,Salvo-Chirnside E,Pilkington JG,Pemberton JM,McNeilly TN,Froy H,Nussey DH

更新日期：2017-06-01 00:00:00

abstract：:Species occupying the same geographic range can exhibit remarkably different population structures across the landscape, ranging from highly diversified to panmictic. Given limitations on collecting population-level data for large numbers of species, ecologists seek to identify proximate organismal traits-such as disp...

journal_title：Molecular ecology

authors： Phillipsen IC,Kirk EH,Bogan MT,Mims MC,Olden JD,Lytle DA

更新日期：2015-01-01 00:00:00

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：:Cichlid fish are well known for their high speciation rates, which are usually accompanied by spectacular and rapid diversification in eco-morphological and secondary sexual traits. This is best illustrated by the famous repeated explosive radiations in the African Great Lakes Tanganyika, Malawi and Victoria, each lak...

journal_title：Molecular ecology

authors： Pinho C,Faria R

更新日期：2016-04-01 00:00:00

abstract：:Many ectothermic species are currently expanding their distributions polewards due to anthropogenic global warming. Molecular genetic mechanisms facilitating range expansion under these conditions are largely unknown, but understanding these could help mitigate expanding pests and disease vectors, or help explain why ...

journal_title：Molecular ecology

authors： Lancaster LT,Dudaniec RY,Chauhan P,Wellenreuther M,Svensson EI,Hansson B

更新日期：2016-03-01 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：:Clarification of the genetic structure and population history of a species can shed light on the impacts of landscapes, historical climate change and contemporary human activities and thus enables evidence-based conservation decisions for endangered organisms. The red panda (Ailurus fulgens) is an endangered species d...

journal_title：Molecular ecology

authors： Hu Y,Guo Y,Qi D,Zhan X,Wu H,Bruford MW,Wei F

更新日期：2011-07-01 00:00:00

abstract：:Japanese camellia (Camellia japonica) and its seed predator, the camellia weevil (Curculio camelliae), provide a notable example of a geographic mosaic of coevolution. In the species interaction, the offensive trait of the weevil (rostrum length) and the defensive trait of the plant (pericarp thickness) are involved i...

journal_title：Molecular ecology

authors： Toju H,Sota T

更新日期：2006-11-01 00:00:00

abstract：:Organisms often respond to environmental changes by producing alternative phenotypes. Epigenetic processes such as DNA methylation may contribute to environmentally induced phenotypic variation by modifying gene expression. Changes in DNA methylation, unlike DNA mutations, can be influenced by the environment; they ar...

journal_title：Molecular ecology

authors： Angers B,Castonguay E,Massicotte R

更新日期：2010-04-01 00:00:00

abstract：:Many amphibian species are known to form leks during breeding season, yet it has seldom been tested which evolutionary forces are likely to act on lek formation in this taxon. We tested the kin selection hypothesis for lek formation by using eight variable microsatellite loci to compare the genetic relationship of 203...

journal_title：Molecular ecology

authors： Knopp T,Heimovirta M,Kokko H,Merilä J

更新日期：2008-05-01 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：:Army ants are among the top arthropod predators and considered keystone species in tropical ecosystems. During daily mass raids with many thousand workers, army ants hunt live prey, likely exerting strong top-down control on prey species. Many tropical sites exhibit a high army ant species diversity (>20 species), sug...

journal_title：Molecular ecology

authors： Hoenle PO,Blüthgen N,Brückner A,Kronauer DJC,Fiala B,Donoso DA,Smith MA,Ospina Jara B,von Beeren C

更新日期：2019-05-01 00:00:00

abstract：:The temperature stress that pelagic fishes experience can induce physiological and behavioural changes that leave a signature in gene expression profiles. We used a functional genomics approach to identify genes that were up- or down-regulated following thermal stress in the Pacific bluefin tuna. Following the acclima...

journal_title：Molecular ecology

authors： Castilho PC,Buckley BA,Somero G,Block BA

更新日期：2009-05-01 00:00:00

abstract：:Replicated ecological gradients are prime systems to study processes of molecular evolution underlying ecological divergence. Here, we investigated the repeated adaptation of the neotropical fish Poecilia mexicana to habitats containing toxic hydrogen sulphide (H2 S) and compared two population pairs of sulphide-adapt...

journal_title：Molecular ecology

authors： Pfenninger M,Patel S,Arias-Rodriguez L,Feldmeyer B,Riesch R,Plath M

更新日期：2015-11-01 00:00:00

abstract：:Cysteine plays essential biological roles, but excessive amounts produce cellular oxidative stress. Cysteine metabolism is mainly mediated by the enzymes cysteine dioxygenase and γ-glutamylcysteine synthetase, respectively coded by the genes CDO1 and GCLC. Here we test a new hypothesis posing that the synthesis of the...

journal_title：Molecular ecology

authors： Rodríguez-Martínez S,Márquez R,Inácio Â,Galván I

更新日期：2019-03-01 00:00:00

abstract：:Genetic diversity in experimental, domesticated and wild populations of the related yeasts, Saccharomyces cerevisiae and Saccharomyces paradoxus, has been well described at the global scale. We investigated the population genomics of a local population on a small spatial scale to address two main questions. First, is ...

journal_title：Molecular ecology

authors： Xia W,Nielly-Thibault L,Charron G,Landry CR,Kasimer D,Anderson JB,Kohn LM

更新日期：2017-02-01 00:00:00

abstract：:We present a mitochondrial DNA (mtDNA) haplotype phylogeny for Amazonian Anolis lizards, including geographical sampling within four species distributed across the Amazon basin (A. fuscoauratus, A. nitens, A. ortonii and A. punctatus). Approximately 1500 bp of mtDNA encoding ND2, COI and four transfer RNAs (tRNAs) are...

journal_title：Molecular ecology

authors： Glor RE,Vitt LJ,Larson A

更新日期：2001-11-01 00:00:00

abstract：:Variation in social behaviour is common, yet little is known about the genetic architectures underpinning its evolution. A rare exception is in the fire ant Solenopsis invicta: Alternative variants of a supergene region determine whether a colony will have exactly one or up to dozens of queens. The two variants of thi...

journal_title：Molecular ecology

authors： Pracana R,Priyam A,Levantis I,Nichols RA,Wurm Y

更新日期：2017-06-01 00:00:00

abstract：:Osmoregulation is a vital physiological function for fish, as it helps maintain a stable intracellular concentration of ions in environments of variable salinities. We focused on a primarily freshwater species, the European whitefish (Coregonus lavaretus), to investigate the molecular mechanisms underlying salinity to...

journal_title：Molecular ecology

authors： Papakostas S,Vasemägi A,Vähä JP,Himberg M,Peil L,Primmer CR

更新日期：2012-07-01 00:00:00

abstract：:Nucleotide variation in an approximately 490 bp fragment of the mitochondrial DNA control region (mtDNA CR) was used to describe the genetic variation and phylogeographical pattern in the Eurasian beaver (Castor fiber) over its entire range. The sampling effort was focused on the relict populations that survived a dra...

journal_title：Molecular ecology

authors： Durka W,Babik W,Ducroz JF,Heidecke D,Rosell F,Samjaa R,Saveljev AP,Stubbe A,Ulevicius A,Stubbe M

更新日期：2005-10-01 00:00:00