Past and future demographic dynamics of alpine species: limited genetic consequences despite dramatic range contraction in a plant from the Spanish Sierra Nevada.

abstract：:Pollen flow and population genetic structure among 30 potentially flowering individuals of Neobalanocarpus heimii, a tropical emergent tree, were investigated in a lowland tropical rainforest of Malaysia using microsatellite polymorphism. The 248 offspring in the vicinity of five reproductive trees of the 30 potential...

journal_title：Molecular ecology

authors： Konuma A,Tsumura Y,Lee CT,Lee SL,Okuda T

更新日期：2000-11-01 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：:In the legume-rhizobia mutualism, the benefit each partner derives from the other depends on the genetic identity of both host and rhizobial symbiont. To gain insight into the extent of genome × genome interactions on hosts at the molecular level and to identify potential mechanisms responsible for the variation, we e...

journal_title：Molecular ecology

authors： Burghardt LT,Guhlin J,Chun CL,Liu J,Sadowsky MJ,Stupar RM,Young ND,Tiffin P

更新日期：2017-11-01 00:00:00

abstract：:There is a long tradition of artificially stocking lakes and rivers with fish in the hope to increase the quality and amount of fish that can be harvested. The animals used for stocking often originate in distant hatcheries or hatcheries that breed fish from remote regions. This stocking practice could have effects on...

journal_title：Molecular ecology

authors： Englbrecht CC,Schliewen U,Tautz D

更新日期：2002-06-01 00:00:00

abstract：:We evaluate the relative effectiveness of four methods for preserving faecal samples for DNA analysis. PCR assays of fresh faecal samples collected from free-ranging baboons showed that amplification success was dependent on preservation method, PCR-product size, and whether nuclear or mitochondrial DNA was assayed. S...

journal_title：Molecular ecology

authors： Frantzen MA,Silk JB,Ferguson JW,Wayne RK,Kohn MH

更新日期：1998-10-01 00:00:00

abstract：:The concept of kinship permeates many domains of fundamental and applied biology ranging from social evolution to conservation science to quantitative and human genetics. Until recently, pedigrees were the gold standard to infer kinship, but the advent of next-generation sequencing and the availability of dense geneti...

journal_title：Molecular ecology

authors： Goudet J,Kay T,Weir BS

更新日期：2018-10-01 00:00:00

abstract：:The inference of population divergence times and branching patterns is of fundamental importance in many population genetic analyses. Many methods have been developed for estimating population divergence times, and recently, there has been particular attention towards genome-wide single-nucleotide polymorphisms (SNP) ...

journal_title：Molecular ecology

authors： Wang Y,Nielsen R

更新日期：2012-02-01 00:00:00

abstract：:Fragmentation and loss of natural habitats are recognized as major threats to contemporary flora and fauna. Detecting past or current reductions in population size is therefore a major aim in conservation genetics. Statistical methods developed to this purpose have tended to ignore the effects of spatial population st...

journal_title：Molecular ecology

authors： Leblois R,Estoup A,Streiff R

更新日期：2006-10-01 00:00:00

abstract：:The random amplified polymorphic DNA (RAPD) technique was employed in the haplo-diploid dioecious species Gracilaria gracilis to identify sex-linked PCR markers. Sixty-nine decamer oligonucleotide primers were tested on two bulks of DNA, one from five haploid males and the other from five haploid females. One of these...

journal_title：Molecular ecology

authors： Martinez EA,Destombe C,Quillet MC,Valero M

更新日期：1999-09-01 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：: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 studied the physiological basis of local adaptation to drought in Boechera holboellii, a perennial relative of Arabidopsis thaliana, and used cDNA-AFLPs to identify candidate genes showing differential expression in these populations. We compared two populations of B. holboellii from contrasting water environments ...

journal_title：Molecular ecology

authors： Knight CA,Vogel H,Kroymann J,Shumate A,Witsenboer H,Mitchell-Olds T

更新日期：2006-04-01 00:00:00

abstract：:Over the past 100 years, Arctic temperatures have increased at almost twice the global average rate. One consequence is the acceleration of glacier retreat, exposing new habitats that are colonized by microorganisms whose diversity and function are unknown. Here, we characterized bacterial diversity along two approxim...

journal_title：Molecular ecology

authors： Schütte UM,Abdo Z,Foster J,Ravel J,Bunge J,Solheim B,Forney LJ

更新日期：2010-03-01 00:00:00

abstract：:Theory suggests that speciation is possible without physical isolation of populations (hereafter, nonallopatric speciation), but recent nonallopatric models need the support of irrefutable empirical examples. We collected snails (Littorina saxatilis) from three areas on the NW coast of Spain to investigate the populat...

journal_title：Molecular ecology

authors： Rolán-Alvarez E,Carballo M,Galindo J,Morán P,Fernández B,Caballero A,Cruz R,Boulding EG,Johannesson K

更新日期：2004-11-01 00:00:00

abstract：:The carabid beetle Pterostichus melanarius is a major natural enemy of pests, such as aphids and slugs in agricultural systems. Earthworms are a dominant non-pest component of the diet of P. melanarius which help sustain the beetles during periods when the pest population is low or absent. In this study we wanted to t...

journal_title：Molecular ecology

authors： King RA,Vaughan IP,Bell JR,Bohan DA,Symondson WO

更新日期：2010-04-01 00:00:00

abstract：:Reproductive skew - the extent to which reproduction is unevenly shared between individuals in a social group - varies greatly between and within animal species. In this study, we investigated how queens share parentage in polygynous (multiple queen) colonies of the Mediterranean ant Pheidole pallidula. We used highly...

journal_title：Molecular ecology

authors： Fournier D,Aron S,Keller L

更新日期：2004-01-01 00:00:00

abstract：:Knowledge of the role of landscapes in shaping genetic connectivity and divergence is essential for understanding patterns of biogeography and diversity. This is particularly relevant for the Andes region, a major biodiversity hotspot of relatively recent origin. We examined the phylogeography and landscape genetics o...

journal_title：Molecular ecology

authors： Trénel P,Hansen MM,Normand S,Borchsenius F

更新日期：2008-08-01 00:00:00

abstract：:Tectonic movement at the boundary of the Indo-Australian and Pacific Plates during the Miocene and Pliocene is recognized as a driving force for invertebrate speciation in New Zealand. Two endemic freshwater crayfish (koura) species, Paranephrops planifrons White 1842 and Paranephrops zealandicus White 1842, represent...

journal_title：Molecular ecology

authors： Apte S,Smith PJ,Wallis GP

更新日期：2007-05-01 00:00:00

abstract：:The effect of Pleistocene climate change on the organisms of tropical and subtropical regions is rather poorly understood. We therefore studied the land snail genus Mandarina (Bradybaenidae) of oceanic Ogasawara (Bonin Islands, Japan), with the aim of using population genetic data to understand their recent history. O...

journal_title：Molecular ecology

authors： Davison A,Chiba S

更新日期：2006-09-01 00:00:00

abstract：:Amplified fragment length polymorphisms (AFLPs) were used to characterize the genetic diversity within and among natural populations of Sticherus flabellatus. Eight populations within the Sydney region of New South Wales, Australia were surveyed using 11 primer combinations. A total of 1108 reproducible bands were det...

journal_title：Molecular ecology

authors： Keiper FJ,McConchie R

更新日期：2000-05-01 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：: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：:The evolution of diversity in the marine ecosystem is poorly understood, given the relatively high potential for connectivity, especially for highly mobile species such as whales and dolphins. The killer whale (Orcinus orca) has a worldwide distribution, and individual social groups travel over a wide geographic range...

journal_title：Molecular ecology

authors： Moura AE,Kenny JG,Chaudhuri R,Hughes MA,J Welch A,Reisinger RR,de Bruyn PJ,Dahlheim ME,Hall N,Hoelzel AR

更新日期：2014-11-01 00:00:00

abstract：:The majority of achlorophyllous mycoheterotrophic plant species associate with arbuscular mycorrhizal fungi (AMF). Previous studies have shown that some species are highly specialized towards narrow lineages of AMF and have suggested that only particular lineages of these fungi are targeted by mycoheterotrophic plants...

journal_title：Molecular ecology

authors： Merckx VS,Janssens SB,Hynson NA,Specht CD,Bruns TD,Smets EF

更新日期：2012-03-01 00:00:00

abstract：:New technologies promise to revolutionize the field of molecular ecology. This technological progress comes with its own set of challenges. Among the most important ones is the analysis and interpretation of the data in a way that tells us about the molecular causes of the phenotype of interest and its consequences. I...

journal_title：Molecular ecology

authors： Landry CR,Aubin-Horth N

更新日期：2010-12-01 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：:Genetic variation supplies the raw material for adaptation, evolution and survival of populations and has therefore been a key focus of conservation biology ever since its foundation (Soulé 1985). In previous decades, the neutral component of genetic diversity (generated by mutation and shaped by drift) has been the s...

journal_title：Molecular ecology

authors： Ficetola GF,Bonin AL

更新日期：2011-04-01 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：: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：:Ophiocordyceps unilateralis (Hypocreales, Ascomycetes) is an entomopathogenic fungus specific to formicine ants (Formicinae, Hymenoptera). Previous works have shown that the carpenter ant Camponotus leonardi acts as the principal host with occasional infections of ants from the genus Polyrhachis (sister genus of Campo...

journal_title：Molecular ecology

authors： Kobmoo N,Mongkolsamrit S,Tasanathai K,Thanakitpipattana D,Luangsa-Ard JJ

更新日期：2012-06-01 00:00:00