Biogeography, habitat transitions and hybridization in a radiation of South American silverside fishes revealed by mitochondrial and genomic RAD data.

abstract：:In arthropods, the intracellular bacteria Wolbachia often induce cytoplasmic incompatibility (CI) between sperm and egg, which causes conditional embryonic death and promotes the spatial spread of Wolbachia infections into host populations. The ability of Wolbachia to spread in natural populations through CI has attra...

journal_title：Molecular ecology

authors： Atyame CM,Labbé P,Rousset F,Beji M,Makoundou P,Duron O,Dumas E,Pasteur N,Bouattour A,Fort P,Weill M

更新日期：2015-01-01 00:00:00

abstract：:Small population sizes can, over time, put species at risk due to the loss of genetic variation and the deleterious effects of inbreeding. Losing diversity in the major histocompatibility complex (MHC) could be particularly harmful, given its key role in the immune system. Here, we assess MHC class I (MHC-I) diversity...

journal_title：Molecular ecology

authors： Stervander M,Dierickx EG,Thorley J,Brooke ML,Westerdahl H

更新日期：2020-05-16 00:00:00

abstract：:Few studies have investigated the genetic structure of both host and parasite populations at a level of populations and at a level of individuals. We investigated the genetic structure of the urban cockroach Blattella germanica and its oxyuroid parasite Blatticola blattae. Random amplified polymorphic DNA (RAPD) marke...

journal_title：Molecular ecology

authors： Jobet E,Durand P,Langand J,Müller-Graf CD,Hugot JP,Bougnoux ME,Rivault C,Cloarec A,Morand S

更新日期：2000-04-01 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：:Adaptive ecological differentiation among sympatric populations is promoted by environmental heterogeneity, strong local selection and restricted gene flow. High gene flow, on the other hand, is expected to homogenize genetic variation among populations and therefore prevent local adaptation. Understanding how local a...

journal_title：Molecular ecology

authors： Richter-Boix A,Quintela M,Kierczak M,Franch M,Laurila A

更新日期：2013-03-01 00:00:00

abstract：:Gammarus minus is an important component of surface spring and cave ecosystems throughout Appalachia, and is a useful indicator of the hydrology and gene flow in freshwater communities. Gammarus minus populations occupying large cave passages (> 2 km) are usually troglomorphic, having reduced eyes, fewer ommatidia, la...

journal_title：Molecular ecology

authors： Carlini DB,Manning J,Sullivan PG,Fong DW

更新日期：2009-05-01 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：:Although the importance of host plant chemistry in plant-insect interactions is widely accepted, the genetic basis of adaptation to host plants is not well understood. Here, we investigate transcriptional changes associated with a host plant shift in Drosophila mettleri. While D. mettleri is distributed mainly through...

journal_title：Molecular ecology

authors： Hoang K,Matzkin LM,Bono JM

更新日期：2015-10-01 00:00:00

abstract：:The factors that control the assembly and composition of endophyte communities across plant hosts remains poorly understood. This is especially true for endophyte communities inhabiting inner tree bark, one of the least studied components of the plant microbiome. Here, we test the hypothesis that bark of different tre...

journal_title：Molecular ecology

authors： Pellitier PT,Zak DR,Salley SO

更新日期：2019-12-01 00:00:00

abstract：:In plants, pollination syndromes (the correlated presence of many features of relevance to pollination mode, for instance pollination by a particular animal clade) are a striking feature of plant biodiversity, providing great floral phenotypic diversity (Fenster et al. ). Adaptation to a particular animal pollinator p...

journal_title：Molecular ecology

authors： Cronk Q,Yang JY

更新日期：2016-12-01 00:00:00

abstract：:The evolution of reproductive isolation in the presence of gene flow is supported by theoretical models but rarely by data. Empirical support might be gained from studies of parallel hybrid zones between interbreeding taxa. We analysed gene flow over two hybrid zones separating ecotypes of Littorina saxatilis to test ...

journal_title：Molecular ecology

authors： Panova M,Hollander J,Johannesson K

更新日期：2006-11-01 00:00:00

abstract：:Large-scale anthropogenic changes in the environment are reshaping global biodiversity and the evolutionary trajectory of many species. Evolutionary mechanisms that allow organisms to thrive in this rapidly changing environment are just beginning to be investigated (Hoffmann & Sgrò 2011; Colautti & Barrett 2013). Weed...

journal_title：Molecular ecology

authors： Hodgins K

更新日期：2014-05-01 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：:Phenotypic plasticity allows organisms to adapt quickly to local environmental conditions and could facilitate adaptive radiations. Cichlids have recently undergone an adaptive radiation in Lake Malawi where they inhabit diverse light environments and tune their visual sensitivity through differences in cone opsin exp...

journal_title：Molecular ecology

authors： Nandamuri SP,Yourick MR,Carleton KL

更新日期：2017-11-01 00:00:00

abstract：:A population of Stratiomys japonica, a species belonging to the family Stratiomyidae (Diptera), common name 'soldier flies', occurs in a hot volcanic spring, which is apparently among the most inhospitable environments for animals because of chemical and thermal conditions. Larvae of this species, which naturally ofte...

journal_title：Molecular ecology

authors： Garbuz DG,Zatsepina OG,Przhiboro AA,Yushenova I,Guzhova IV,Evgen'ev MB

更新日期：2008-11-01 00:00:00

abstract：:Parallel patterns of adaptive divergence and speciation are cited as powerful evidence for the role of selection driving these processes. However, it is often not clear whether parallel phenotypic divergence is underlain by parallel genetic changes. Here, we asked about the genetic basis of parallel divergence in the ...

journal_title：Molecular ecology

authors： Westram AM,Galindo J,Alm Rosenblad M,Grahame JW,Panova M,Butlin RK

更新日期：2014-09-01 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：:This paper describes how ground water was sampled, DNA extracted, amplified and cloned and how information available in the ribosomal 16S rRNA gene was used for mapping diversity and distribution of subterranean bacteria in groundwater at the Bangombé site in the Oklo region. The results showed that this site was inha...

journal_title：Molecular ecology

authors： Pedersen K,Arlinger J,Hallbeck L,Pettersson C

更新日期：1996-06-01 00:00:00

abstract：:Microorganisms in the gastrointestinal tract of animals play vital roles in food digestion, homeostasis and immune response regulation. Globally, there are 33,700 fish species, representing almost half of all vertebrate diversity and a wide range of physiologies, ecologies and life histories. To investigate gut microb...

journal_title：Molecular ecology

authors： Huang Q,Sham RC,Deng Y,Mao Y,Wang C,Zhang T,Leung KMY

更新日期：2020-12-01 00:00:00

abstract：:Freshwater planarians Dugesia japonica from three localities were examined for cytochrome c oxidase subunit I (COI) gene sequence, karyotype and the presence of genital organ. The planarians from Mt Fujiwara in Japan were composed of two different groups; one revealed inter- and intraindividual COI gene heterogeneity,...

journal_title：Molecular ecology

authors： Bessho Y,Tamura S,Hori H,Tanaka H,Ohama T,Osawa S

更新日期：1997-02-01 00:00:00

abstract：:Studying the evolutionary history of trait divergence, in particular those related to dispersal capacity, is of major interest for the process of local adaptation and metapopulation dynamics. Here, we reconstruct the evolution of different alleles at the nuclear-encoded mitochondrial NADP(+)-dependent isocitrate dehyd...

journal_title：Molecular ecology

authors： Van Belleghem SM,Roelofs D,Hendrickx F

更新日期：2015-02-01 00:00:00

abstract：:Divergent life history strategies occur in steelhead or rainbow trout Oncorhynchus mykiss, and many populations produce both migrant (anadromous fish that move to the ocean after rearing) and resident (do not migrate and remain in fresh water) individuals. Mechanisms leading to each type are only partially understood;...

journal_title：Molecular ecology

authors： Sutherland BJ,Hanson KC,Jantzen JR,Koop BF,Smith CT

更新日期：2014-04-01 00:00:00

abstract：:Carrion beetles (Coleoptera, Silphidae) are well known for their behaviour of exploiting vertebrate carcasses for nutrition. While species in the subfamily Silphinae feed on large carcasses and on larvae of competing scavengers, the Nicrophorinae are unique in monopolizing, burying and defending small carrion, and pro...

journal_title：Molecular ecology

authors： Kaltenpoth M,Steiger S

更新日期：2014-03-01 00:00:00

abstract：:Archipelago-endemic bird radiations are familiar to evolutionary biologists as key illustrations of evolutionary patterns. However, such radiations are in fact rare events. White-eyes (Zosteropidae) are birds with an exceptionally high colonization and speciation potential; they have colonized more islands globally th...

journal_title：Molecular ecology

authors： Melo M,Warren BH,Jones PJ

更新日期：2011-12-01 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：:A recent region-wide study determined that the central California coyote (Canis latrans) population was genetically subdivided according to habitat bioregions, supporting the hypothesis that coyotes exhibit a dispersal bias toward their natal habitat type. Here, we further investigated this hypothesis using radio-coll...

journal_title：Molecular ecology

authors： Sacks BN,Mitchell BR,Williams CL,Ernest HB

更新日期：2005-04-01 00:00:00

abstract：:The repeated evolution of similar phenotypes by similar mechanisms can be indicative of local adaptation, constraints or biases in the evolutionary process. Little is known about the incidence of physiological convergence in natural populations, so here we test whether energy metabolism in 'dwarf' and 'normal' Lake Wh...

journal_title：Molecular ecology

authors： Dalziel AC,Laporte M,Rougeux C,Guderley H,Bernatchez L

更新日期：2017-01-01 00:00:00

abstract：:Global warming has had numerous effects on populations of animals and plants, with many species in temperate regions experiencing environmental change at unprecedented rates. Populations with low potential for adaptive evolutionary change and plasticity will have little chance of persistence in the face of environment...

journal_title：Molecular ecology

authors： Garant D,Hadfield JD,Kruuk LE,Sheldon BC

更新日期：2008-01-01 00:00:00

abstract：:Lions were the most widespread carnivores in the late Pleistocene, ranging from southern Africa to the southern USA, but little is known about the evolutionary relationships among these Pleistocene populations or the dynamics that led to their extinction. Using ancient DNA techniques, we obtained mitochondrial sequenc...

journal_title：Molecular ecology

authors： Barnett R,Shapiro B,Barnes I,Ho SY,Burger J,Yamaguchi N,Higham TF,Wheeler HT,Rosendahl W,Sher AV,Sotnikova M,Kuznetsova T,Baryshnikov GF,Martin LD,Harington CR,Burns JA,Cooper A

更新日期：2009-04-01 00:00:00

abstract：:Habitat loss and fragmentation often reduce gene flow and genetic diversity in plants by disrupting the movement of pollen and seed. However, direct comparisons of the contributions of pollen vs. seed dispersal to genetic variation in fragmented landscapes are lacking. To address this knowledge gap, we partitioned the...

journal_title：Molecular ecology

authors： Browne L,Karubian J

更新日期：2018-08-01 00:00:00