Conserving adaptive genetic diversity in dynamic landscapes.

abstract：:We report the phylogeographic pattern of the Patagonian and Subantarctic plant Hypochaeris incana endemic to southeastern South America. We applied amplified fragment length polymorphism (AFLP) and chloroplast DNA (cpDNA) analysis to 28 and 32 populations, respectively, throughout its distributional range and assessed...

journal_title：Molecular ecology

authors： Tremetsberger K,Urtubey E,Terrab A,Baeza CM,Ortiz MA,Talavera M,König C,Temsch EM,Kohl G,Talavera S,Stuessy TF

更新日期：2009-09-01 00:00:00

abstract：:Aside from its selective role in filtering inter-individual variation during evolution by natural selection, the environment also plays an instructive role in producing variation during development. External environmental cues can influence developmental rates and/or trajectories and lead to the production of distinct...

journal_title：Molecular ecology

authors： Beldade P,Mateus AR,Keller RA

更新日期：2011-04-01 00:00:00

abstract：:Exceptional ecological niche diversity, clear waters and unique divergent selection pressures have often been invoked to explain high morphological and genetic diversity of taxa within ancient lakes. However, it is possible that in some ancient lake taxa high diversity has arisen because these historically stable envi...

journal_title：Molecular ecology

authors： Genner MJ,Todd JA,Michel E,Erpenbeck D,Jimoh A,Joyce DA,Piechocki A,Pointier JP

更新日期：2007-02-01 00:00:00

abstract：:Pleistocene ice-ages greatly influenced the historical abundances of Pacific cod, Gadus macrocephalus, in the North Pacific and its marginal seas. We surveyed genetic variation at 11 microsatellite loci and mitochondrial (mt) DNA in samples from twelve locations from the Sea of Japan to Washington State. Both microsat...

journal_title：Molecular ecology

authors： Canino MF,Spies IB,Cunningham KM,Hauser L,Grant WS

更新日期：2010-10-01 00:00:00

abstract：:Genetic differentiation in thermal adaptation can result from a trade-off between the performance of organisms across different temperatures or from the accumulation of deleterious mutations. In this experiment, we assayed thermal sensitivity of 138 genetically distinct Mycosphaerella graminicola isolates sampled from...

journal_title：Molecular ecology

authors： Zhan J,McDonald BA

更新日期：2011-04-01 00:00:00

abstract：:We studied the phylogenetic relationships among the three stone pine species, Pinus cembra, P. sibirica, and P. pumila, using chloroplast microsatellites and mitochondrial nad1 intron 2 sequences. The three chloroplast microsatellite loci combined into a total of 18 haplotypes. Fourteen haplotypes were detected in 15 ...

journal_title：Molecular ecology

authors： Gugerli F,Senn J,Anzidei M,Madaghiele A,Büchler U,Sperisen C,Vendramin GG

更新日期：2001-06-01 00:00:00

abstract：:All species of the genus Populus (poplar, aspen) are dioecious, suggesting an ancient origin of this trait. Despite some empirical counter examples, theory suggests that nonrecombining sex-linked regions should quickly spread, eventually becoming heteromorphic chromosomes. In contrast, we show using whole-genome scans...

journal_title：Molecular ecology

authors： Geraldes A,Hefer CA,Capron A,Kolosova N,Martinez-Nuñez F,Soolanayakanahally RY,Stanton B,Guy RD,Mansfield SD,Douglas CJ,Cronk QC

更新日期：2015-07-01 00:00:00

abstract：:Effective population size (N(e)) is a key parameter to understand evolutionary processes and the viability of endangered populations as it determines the rate of genetic drift and inbreeding. Low Ne can lead to inbreeding depression and reduced population adaptability. In this study, we estimated contemporary N(e) usi...

journal_title：Molecular ecology

authors： Baalsrud HT,Saether BE,Hagen IJ,Myhre AM,Ringsby TH,Pärn H,Jensen H

更新日期：2014-06-01 00:00:00

abstract：:Natural selection, random processes and gene flow are known to generate sex ratio variations among sexually polymorphic plant populations. In gynodioecious species, in which hermaphrodites and females coexist, the relative effect of these processes on the maintenance of sex polymorphism is still up for debate. The aim...

journal_title：Molecular ecology

authors： De Cauwer I,Dufay M,Hornoy B,Courseaux A,Arnaud JF

更新日期：2012-02-01 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

abstract：:The ecological and genetic factors determining the extent of introgression between species in secondary contact zones remain poorly understood. Here, we investigate the relative importance of isolating barriers and the demographic expansion of invasive Mytilus galloprovincialis on the magnitude and the direction of in...

journal_title：Molecular ecology

authors： Saarman NP,Pogson GH

更新日期：2015-09-01 00:00:00

abstract：:Currently, there is much debate on the genetic architecture of quantitative traits in wild populations. Is trait variation influenced by many genes of small effect or by a few genes of major effect? Where is additive genetic variation located in the genome? Do the same loci cause similar phenotypic variation in differ...

journal_title：Molecular ecology

authors： Santure AW,Poissant J,De Cauwer I,van Oers K,Robinson MR,Quinn JL,Groenen MA,Visser ME,Sheldon BC,Slate J

更新日期：2015-12-01 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：:MtDNA sequencing was used to investigate the genetic population structure of Litoria pearsoniana, a wet forest-restricted hylid frog, endemic to southeast Queensland and northeast New South Wales, Australia. L. pearsoniana is regarded as endangered under Queensland legislation. Significant genetic divergence among pop...

journal_title：Molecular ecology

authors： McGuigan K,McDonald K,Parris K,Moritz C

更新日期：1998-02-01 00:00:00

abstract：:Conspecific brood parasitism (CBP), females laying eggs in the nest of other 'host' females of the same species, is a common alternative reproductive tactic among birds. For hosts there are likely costs of incubating and rearing foreign offspring, but costs may be low in species with precocial chicks such as waterfowl...

journal_title：Molecular ecology

authors： Anderholm S,Waldeck P,VAN DER Jeugd HP,Marshall RC,Larsson K,Andersson M

更新日期：2009-12-01 00:00:00

abstract：:The evolutionary mechanisms generating the tremendous biodiversity of islands have long fascinated evolutionary biologists. Genetic drift and divergent selection are predicted to be strong on islands and both could drive population divergence and speciation. Alternatively, strong genetic drift may preclude adaptation....

journal_title：Molecular ecology

authors： Funk WC,Lovich RE,Hohenlohe PA,Hofman CA,Morrison SA,Sillett TS,Ghalambor CK,Maldonado JE,Rick TC,Day MD,Polato NR,Fitzpatrick SW,Coonan TJ,Crooks KR,Dillon A,Garcelon DK,King JL,Boser CL,Gould N,Andelt WF

更新日期：2016-05-01 00:00:00

abstract：:Theoretical and empirical studies have shown that species radiations are facilitated when a trait under divergent natural selection is also involved in sexual selection. It is yet unclear how quick and effective radiations are where assortative mating is unrelated to the ecological environment and primarily results fr...

journal_title：Molecular ecology

authors： Nolen ZJ,Yildirim B,Irisarri I,Liu S,Groot Crego C,Amby DB,Mayer F,Gilbert MTP,Pereira RJ

更新日期：2020-12-01 00:00:00

abstract：:Understanding ecological divergence of morphologically similar but genetically distinct species - previously considered as a single morphospecies - is of key importance in evolutionary ecology and conservation biology. Despite their morphological similarity, cryptic species may have evolved distinct adaptations. If su...

journal_title：Molecular ecology

authors： Leys M,Keller I,Robinson CT,Räsänen K

更新日期：2017-03-01 00:00:00

abstract：:We reanalysed published data to evaluate whether climate and habitat are barriers to dispersal in one of the most mobile and widely distributed mammals, the grey wolf (Canis lupus). Distance-based redundancy analysis (dbRDA) was used to examine the amount of variation in genetic distances that could be explained by an...

journal_title：Molecular ecology

authors： Geffen E,Anderson MJ,Wayne RK

更新日期：2004-08-01 00:00:00

abstract：:The fauna of oceanic islands provide exceptional models with which to examine patterns of dispersal, isolation and diversification, from incipient speciation to species level radiations. Here, we investigate recent differentiation and microevolutionary change in Berthelot's pipit (Anthus berthelotii), an endemic bird ...

journal_title：Molecular ecology

authors： Illera JC,Emerson BC,Richardson DS

更新日期：2007-11-01 00:00:00

abstract：:The Jamaican boa (Epicrates subflavus; also called Yellow boa) is an endemic species whose natural populations greatly and constantly declined since the late 19th century, mainly because of predation by introduced species, human persecution, and habitat destruction. In-situ conservation of the Jamaican boa is seriousl...

journal_title：Molecular ecology

authors： Tzika AC,Koenig S,Miller R,Garcia G,Remy C,Milinkovitch MC

更新日期：2008-01-01 00:00:00

abstract：:Although microbial ecology of the gut is now a major focus of interest, little is known about the molecular determinants of microbial adaptation in the gut. Experimental evolution coupled with whole-genome sequencing can provide insights of the adaptive process. In vitro experiments have revealed some conserved patter...

journal_title：Molecular ecology

authors： Lescat M,Launay A,Ghalayini M,Magnan M,Glodt J,Pintard C,Dion S,Denamur E,Tenaillon O

更新日期：2017-04-01 00:00:00

abstract：:Abstract The genetic impact of the cultural practice of spat collection and translocation between genetically distinct stocks of black-lipped pearl oyster, Pinctada margaritifera cumingii, was studied by comparing samples collected in the 1980s and 2000s from seven atolls in French Polynesia. An amova revealed homogen...

journal_title：Molecular ecology

authors： Arnaud-Haond S,Vonau V,Bonhomme F,Boudry P,Blanc F,Prou J,Seaman T,Goyard E

更新日期：2004-07-01 00:00:00

abstract：:The evolution of resistance to drugs and pesticides poses a major threat to human health and food security. Neonicotinoids are highly effective insecticides used to control agricultural pests. They target the insect nicotinic acetylcholine receptor and mutations of the receptor that confer resistance have been slow to...

journal_title：Molecular ecology

authors： Homem RA,Buttery B,Richardson E,Tan Y,Field LM,Williamson MS,Emyr Davies TG

更新日期：2020-07-01 00:00:00

abstract：:Although most vertebrates reproduce sexually, a small number of fishes, amphibians and reptiles are known in which reproduction is asexual, i.e. without meiotic recombination. In fishes, these so-called unisexual lineages usually comprise only females and utilize co-occurring males of a related sexual species to repro...

journal_title：Molecular ecology

authors： Schmidt DJ,Bond NR,Adams M,Hughes JM

更新日期：2011-08-01 00:00:00

abstract：:Understanding dispersal patterns, population structure and connectivity among populations is helpful in the management and conservation of threatened species. Molecular markers are useful tools as indirect estimators of these characteristics. In this study, we assess the population genetic structure of the orange cora...

journal_title：Molecular ecology

authors： Casado-Amezúa P,Goffredo S,Templado J,Machordom A

更新日期：2012-08-01 00:00:00

abstract：:Swordtails (Xiphophorus; Poeciliidae) have figured prominently in research on fish mating behaviours, sexual selection, and carcinogenesis, but their population structures and dispersal patterns have been relatively neglected. Using nine microsatellite loci, we estimated genetic differentiation in Xiphophorus helleri ...

journal_title：Molecular ecology

authors： Tatarenkov A,Healey CI,Avise JC

更新日期：2010-01-01 00:00:00

abstract：:Chihuahua spruce (Picea chihuahuana Martínez) is a montane subtropical conifer endemic to the Sierra Madre Occidental in northwestern México. Range-wide variation was investigated using maternally inherited mitochondrial (mtDNA) and paternally inherited chloroplast (cpDNA) DNA markers. Among the 16 mtDNA regions analy...

journal_title：Molecular ecology

authors： Jaramillo-Correa JP,Beaulieu J,Ledig FT,Bousquet J

更新日期：2006-09-01 00:00:00

abstract：:The analysis of mitochondrial DNA sequences has for a long time been the most extensively used genetic tool for phylogenetic, phylogeographic and population genetic studies. Since this approach only considers female lineages, it tends to give a biased picture of the population history. The use of protein polymorphisms...

journal_title：Molecular ecology

authors： Sundqvist AK,Ellegren H,Olivier M,Vilà C

更新日期：2001-08-01 00:00:00

abstract：:Rhizosphere microbes affect plant performance, including plant resistance against insect herbivores; yet, a direct comparison of the relative influence of rhizosphere microbes versus plant genetics on herbivory levels and on metabolites related to defence is lacking. In the crucifer Boechera stricta, we tested the eff...

journal_title：Molecular ecology

authors： Hubbard CJ,Li B,McMinn R,Brock MT,Maignien L,Ewers BE,Kliebenstein D,Weinig C

更新日期：2019-04-01 00:00:00