Positive relationships between genetic diversity and abundance in fishes.

abstract：:Coenagrion mercuriale (Charpentier) (Odonata: Zygoptera) is one of Europe's most threatened damselflies and is listed in the European Habitats directive. We combined an intensive mark-release-recapture (MRR) study with a microsatellite-based genetic analysis for C. mercuriale from the Itchen Valley, UK, as part of an ...

journal_title：Molecular ecology

authors： Watts PC,Rouquette JR,Saccheri IJ,Kemp SJ,Thompson DJ

更新日期：2004-10-01 00:00:00

abstract：:We examined male reproductive success in a common brushtail possum population in New Zealand farmland. Paternity was assigned to 66 of 91 pouch young (maternity known), using a likelihood approach applied to genotypes at six microsatellite loci having an overall average exclusion probability of around 99%. The distrib...

journal_title：Molecular ecology

authors： Taylor AC,Cowan PE,Fricke BL,Cooper DW

更新日期：2000-07-01 00:00:00

abstract：:Environmental DNA (eDNA) metabarcoding is becoming a key tool for biodiversity monitoring over large geographical or taxonomic scales and for elusive taxa such as soil organisms. Increasing sample sizes and interest in remote or extreme areas often require the preservation of soil samples and thus deviations from opti...

journal_title：Molecular ecology

authors： Guerrieri A,Bonin A,Münkemüller T,Gielly L,Thuiller W,Francesco Ficetola G

更新日期：2020-10-08 00:00:00

abstract：:Spatial and environmental heterogeneity are major factors in structuring species distributions in alpine landscapes. These landscapes have also been affected by glacial advances and retreats, causing alpine taxa to undergo range shifts and demographic changes. These nonequilibrium population dynamics have the potentia...

journal_title：Molecular ecology

authors： Schoville SD,Lam AW,Roderick GK

更新日期：2012-09-01 00:00:00

abstract：:DNA-based sex tests now exist for many avian species. However, none of these tests are widely applicable to ratites. We present DNA sequence data for a locus that is W chromosome-linked in the kiwi, ostrich, cassowary, rhea, and emu. At the amino acid level, this sequence has significant homology to X-linked genes in ...

journal_title：Molecular ecology

authors： Huynen L,Millar CD,Lambert DM

更新日期：2002-04-01 00:00:00

abstract：:Sexual selection may facilitate genetic isolation among populations and result in increased rates of diversification. As a mechanism driving diversification, sexual selection has been invoked and upheld in numerous empirical studies across disparate taxa, including birds, plants and spiders. In this study, we investig...

journal_title：Molecular ecology

authors： Chakrabarty P,Davis MP,Smith WL,Baldwin ZH,Sparks JS

更新日期：2011-07-01 00:00:00

abstract：:We used comparative landscape genetics to examine the relative roles of historical events, intrinsic traits and landscape factors in determining the distribution of genetic diversity of river fishes across the North American Great Plains. Spatial patterns of diversity were overlaid on a patch-based graphical model and...

journal_title：Molecular ecology

authors： Osborne MJ,Perkin JS,Gido KB,Turner TF

更新日期：2014-12-01 00:00:00

abstract：:Common groundsel, Senecio vulgaris (Asteraceae), is a highly selfing semelparous ephemeral weed that belongs to the few plant species in central Europe capable of growing, flowering and fruiting all year round. In temperate climates, flowering S. vulgaris cohorts were found to appear up to three times per year. Using ...

journal_title：Molecular ecology

authors： Haldimann P,Steinger T,Müller-Schärer H

更新日期：2003-10-01 00:00:00

abstract：:Mutation rates at microsatellites tend to increase with the number of repeats of the motif, leading to higher levels of polymorphism at long microsatellites. To standardize levels of diversity when microsatellites differ in size, we investigate the relationship between tract length and variation and provide a formula ...

journal_title：Molecular ecology

authors： Petit RJ,Deguilloux MF,Chat J,Grivet D,Garnier-Géré P,Vendramin GG

更新日期：2005-03-01 00:00:00

abstract：:We explore population genetic structure in phyllostomid bats (Ardops nichollsi, Brachyphylla cavernarum and Artibeus jamaicensis) from the northern Lesser Antilles by investigating the degree to which island populations are genetically differentiated. Our hypothesis, that the island populations are genetically distinc...

journal_title：Molecular ecology

authors： Carstens BC,Sullivan J,Davalos LM,Larsen PA,Pedersen SC

更新日期：2004-09-01 00:00:00

abstract：:We estimated the gene dispersal distance and the magnitude of inbreeding depression from the fine-scale genetic structure in the endangered heterostylous perennial Primula sieboldii. We indirectly estimated the neighbourhood size (Nb) and the standard deviation of gene dispersal distance (sigma(g)) from the detected g...

journal_title：Molecular ecology

authors： Ishihama F,Ueno S,Tsumura Y,Washitani I

更新日期：2005-04-01 00:00:00

abstract：:Many parasites manipulate their hosts' phenotype. In particular, parasites with complex life cycles take control of their intermediate hosts' behaviour and life history to increase transmission to their definitive host. The proximate mechanisms underlying these parasite-induced alterations are poorly understood. The c...

journal_title：Molecular ecology

authors： Feldmeyer B,Mazur J,Beros S,Lerp H,Binder H,Foitzik S

更新日期：2016-01-01 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：:We used behavioural observations and mitochondrial DNA (mtDNA) sequence analysis to examine demographic and genetic structure within and among home-range groups of desert bighorn sheep (Ovis canadensis) ewes in the Peninsular Ranges of southern California, USA. We identified substantial genetic variation in the first ...

journal_title：Molecular ecology

authors： Boyce WM,Ramey RR 2nd,Rodwell TC,Rubin ES,Singer RS

更新日期：1999-01-01 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

abstract：:In long-lived clonal plants, the overall size of a clone is often used to estimate clone age. The size of a clone, however, might be largely determined by physical or biotic interactions, obscuring the relationship between clone size and age. Here, we use the accumulation of mutations at 14 microsatellite loci to esti...

journal_title：Molecular ecology

authors： Ally D,Ritland K,Otto SP

更新日期：2008-11-01 00:00:00

abstract：:Quaternary climatic fluctuations have left contrasting historical footprints on the neutral genetic diversity patterns of existing populations of different tree species. We should expect the demography, and consequently the neutral genetic structure, of taxa less tolerant to particular climatic extremes to be more sen...

journal_title：Molecular ecology

authors： Soto A,Robledo-Arnuncio JJ,González-Martínez SC,Smouse PE,Alía R

更新日期：2010-04-01 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：:Adaptive radiations provide unique opportunities to test whether and how recent ecological and evolutionary diversification of host species structures the composition of entire bacterial communities. We used 16S rRNA gene sequencing of faecal samples to test for differences in the gut microbiota of six species of Puer...

journal_title：Molecular ecology

authors： Ren T,Kahrl AF,Wu M,Cox RM

更新日期：2016-10-01 00:00:00

abstract：:Genetic differentiation may exist among sympatric populations of a species due to long-term associations with alternative hosts (i.e. host-associated differentiation). While host-associated differentiation has been documented in several phytophagus insects, there are far fewer cases known in animal parasites. The bed ...

journal_title：Molecular ecology

authors： Booth W,Balvín O,Vargo EL,Vilímová J,Schal C

更新日期：2015-03-01 00:00:00

abstract：:One of the greatest threats to the long-term viability of migrating plant species is the loss of genetic diversity due to founder effects. Populations can expand as a response to climate change, but it is uncertain if long-lived plant species can maintain sufficient genetic diversity at the leading edge of migrating p...

journal_title：Molecular ecology

authors： Pluess AR

更新日期：2011-02-01 00:00:00

abstract：:Phenotypic plasticity has been hypothesized to play a central role in the evolution of phenotypic diversity across species (West-Eberhard ). Through 'genetic assimilation', phenotypes that are initially environmentally induced within species become genetically fixed over evolutionary time. While genetic assimilation h...

journal_title：Molecular ecology

authors： Sikkink KL,Snell-Rood EC

更新日期：2016-12-01 00:00:00

abstract：:Social insect colonies possess a range of defences which protect them against highly virulent parasites and colony collapse. The host-parasite interaction between honey bees (Apis mellifera) and the mite Varroa destructor is unusual, as honey bee colonies are relatively poorly defended against this parasite. The inter...

journal_title：Molecular ecology

authors： Conlon BH,Aurori A,Giurgiu AI,Kefuss J,Dezmirean DS,Moritz RFA,Routtu J

更新日期：2019-06-01 00:00:00

abstract：:Big bluestem (Andropogon gerardii) is an ecologically dominant grass with wide distribution across the environmental gradient of U.S. Midwest grasslands. This system offers an ideal natural laboratory to study population divergence and adaptation in spatially varying climates. Objectives were to: (i) characterize neut...

journal_title：Molecular ecology

authors： Gray MM,St Amand P,Bello NM,Galliart MB,Knapp M,Garrett KA,Morgan TJ,Baer SG,Maricle BR,Akhunov ED,Johnson LC

更新日期：2014-12-01 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：:Adaptation to new environments often occurs in the face of gene flow. Under these conditions, gene flow and recombination can impede adaptation by breaking down linkage disequilibrium between locally adapted alleles. Theory predicts that this decay can be halted or slowed if adaptive alleles are tightly linked in regi...

journal_title：Molecular ecology

authors： Samuk K,Owens GL,Delmore KE,Miller SE,Rennison DJ,Schluter D

更新日期：2017-09-01 00:00:00

abstract：:The green and golden bell frog (Litoria aurea) was once a common Australian Hylid. Today, many populations are small and fragmented as a result of dramatic declines in distribution and abundance. We undertook a large-scale assessment of genetic structure and diversity in L. aurea using four species-specific microsatel...

journal_title：Molecular ecology

authors： Burns EL,Eldridge MD,Houlden BA

更新日期：2004-07-01 00:00:00

abstract：:Widespread species that exhibit both high gene flow and the capacity to occupy heterogeneous environments make excellent models for examining local selection processes along environmental gradients. Here we evaluate the influence of temperature and landscape variables on genetic connectivity and signatures of local ad...

journal_title：Molecular ecology

authors： Yadav S,Stow AJ,Dudaniec RY

更新日期：2019-07-01 00:00:00

abstract：:RNA viruses are characterized by high genetic variability resulting in rapid adaptation to new or resistant hosts. Research for plant RNA virus genetic structure and its variability has been relatively scarce compared to abundant research done for human and animal RNA viruses. Here, we utilized a molecular population ...

journal_title：Molecular ecology

authors： Tsompana M,Abad J,Purugganan M,Moyer JW

更新日期：2005-01-01 00:00:00

abstract：:The moss Ceratodon purpureus has long been used as a model system in plant development and physiology. However, the molecular population genetics of the species remains virtually unexplored. In this study, we used population genetic analyses of DNA sequence data from three unlinked loci (atpB-rbcL spacer, adk, and phy...

journal_title：Molecular ecology

authors： McDaniel SF,Shaw AJ

更新日期：2005-04-01 00:00:00