Divergent evolutionary histories of two sympatric spruce bark beetle species.

abstract：:Mitochondrial DNA sequence data were obtained for eight species of flightless Galapaganus endemic weevils and one winged close relative in order to study their colonization history and modes of diversification in the Galápagos Archipelago. Contrary to most other insular radiations, the phylogeny estimates we recovered...

journal_title：Molecular ecology

authors： Sequeira AS,Lanteri AA,Albelo LR,Bhattacharya S,Sijapati M

更新日期：2008-02-01 00:00:00

abstract：:Life history adaptations and spatial configuration of metapopulation networks allow certain species to persist in extreme fluctuating environments, yet long-term stability within these systems relies on the maintenance of linkage habitat. Degradation of such linkages in urban riverscapes can disrupt this dynamic in aq...

journal_title：Molecular ecology

authors： Richmond JQ,Backlin AR,Galst-Cavalcante C,O'Brien JW,Fisher RN

更新日期：2018-01-01 00:00:00

abstract：:Predicting and controlling infectious disease epidemics is a major challenge facing the management of agriculture, human and wildlife health. Co-evolutionarily derived patterns of local adaptation among pathogen populations have the potential to generate variation in disease epidemiology; however, studies of local ada...

journal_title：Molecular ecology

authors： Parratt SR,Barrès B,Penczykowski RM,Laine AL

更新日期：2017-04-01 00:00:00

abstract：:DNA was extracted from five coprolites, excavated in Gypsum Cave, Nevada and radiocarbon dated to approximately 11 000, 20 000 and 28 500 years BP. All coprolites contained mitochondrial DNA sequences identical to a DNA sequence determined from a bone of the extinct ground sloth Nothrotheriops shastensis. A 157-bp fra...

journal_title：Molecular ecology

authors： Hofreiter M,Poinar HN,Spaulding WG,Bauer K,Martin PS,Possnert G,Pääbo S

更新日期：2000-12-01 00:00:00

abstract：:Phenotypic divergence among natural populations can be explained by natural selection or by neutral processes such as drift. Many examples in the literature compare putatively neutral (FST ) and quantitative genetic (QST ) differentiation in multiple populations to assess their evolutionary signature and identify cand...

journal_title：Molecular ecology

authors： Marin S,Gibert A,Archambeau J,Bonhomme V,Lascoste M,Pujol B

更新日期：2020-08-01 00:00:00

abstract：:A comparative study between microsatellite and allozyme markers was conducted on natural populations of resident brown trout (Salmo trutta) sampled over a reduced geographical scale and on hatchery strains. The higher level of polymorphism observed at microsatellite loci resulted in higher power of statistical tests f...

journal_title：Molecular ecology

authors： Estoup A,Rousset F,Michalakis Y,Cornuet JM,Adriamanga M,Guyomard R

更新日期：1998-03-01 00:00:00

abstract：:Coral reefs belong to the most diverse ecosystems on our planet. The diversity in coloration and lifestyles of coral reef fishes makes them a particularly promising system to study the role of visual communication and adaptation. Here, we investigated the evolution of visual pigment genes (opsins) in damselfish (Pomac...

journal_title：Molecular ecology

authors： Stieb SM,Cortesi F,Sueess L,Carleton KL,Salzburger W,Marshall NJ

更新日期：2017-03-01 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：:The molecular phylogeography of Microtus longicaudus was investigated with DNA sequences of the mitochondrial cytochrome b gene. We used phylogenetic and pairwise distance methods to reconstruct the history of the species with particular emphasis on the Pacific Northwest. Genetic variation across the species was consi...

journal_title：Molecular ecology

authors： Conroy CJ,Cook JA

更新日期：2000-02-01 00:00:00

abstract：:Levels and origins of clonal diversity in asexual hybrid animals are critical to understanding how they can coexist with their sexual progenitor species. In this study, asexual gynogenetic hybrids between Fundulus diaphanus and Fundulus heteroclitus known from two sites in Nova Scotia (Canada) were characterized using...

journal_title：Molecular ecology

authors： Hernández Chávez C,Turgeon J

更新日期：2007-04-01 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：:Experimental evolution (EE) combined with whole-genome sequencing (WGS) has become a compelling approach to study the fundamental mechanisms and processes that drive evolution. Most EE-WGS studies published to date have used microbes, owing to their ease of propagation and manipulation in the laboratory and relatively...

journal_title：Molecular ecology

authors： Dettman JR,Rodrigue N,Melnyk AH,Wong A,Bailey SF,Kassen R

更新日期：2012-05-01 00:00:00

abstract：:Studies examining the effects of anthropogenic habitat fragmentation on both neutral and adaptive genetic variability are still scarce. We compared tadpole fitness-related traits (viz. survival probability and body size) among populations of the common frog (Rana temporaria) from fragmented (F) and continuous (C) habi...

journal_title：Molecular ecology

authors： Johansson M,Primmer CR,Merilä J

更新日期：2007-07-01 00:00:00

abstract：:While males gain obvious direct advantages from multiple mating, the reproductive capacity of females is more constrained. The reason why polyandry evolved in females is therefore open to many conjectures. One hypothesis postulates that females gain indirect benefits by increasing the probability of siring young from ...

journal_title：Molecular ecology

authors： Richard M,Lecomte J,de Fraipont M,Clobert J

更新日期：2005-09-01 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：:One of the original goals of phylogeography was to use genetic data to identify historical events that might contribute to breaks among communities. In this study, we examine the phylogeography of a common livebearing fish (Poecilia gillii) from Costa Rica. Our goal was to determine if phylogeographical breaks in this...

journal_title：Molecular ecology

authors： Lee JB,Johnson JB

更新日期：2009-10-01 00:00:00

abstract：:Sequence and restriction site analyses of the paternally inherited chloroplast rbcL gene and maternally inherited mitochondrial nad1 fragments from the same set of populations and individuals were used to investigate cytoplasmic composition and population establishment of Pinus densata, a diploid pine that originated ...

journal_title：Molecular ecology

authors： Song BH,Wang XQ,Wang XR,Ding KY,Hong DY

更新日期：2003-11-01 00:00:00

abstract：:Invasive species are expected to experience a unique combination of high genetic drift due to demographic factors while also experiencing strong selective pressures. The paradigm that reduced genetic diversity should limit the evolutionary potential of invasive species, and thus, their potential for range expansion ha...

journal_title：Molecular ecology

authors： Wellband KW,Pettitt-Wade H,Fisk AT,Heath DD

更新日期：2018-04-01 00:00:00

abstract：:What is the relationship between genetic or environmental variation and the variation in messenger RNA (mRNA) expression? To address this, microarrays were used to examine the effect of genetic and environmental variation on cardiac mRNA expression for metabolic genes in three groups of Fundulus heteroclitus: (i) indi...

journal_title：Molecular ecology

authors： Scott CP,Williams DA,Crawford DL

更新日期：2009-07-01 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：:Accurate identification of species that are consumed by vertebrate predators is necessary for understanding marine food webs. Morphological methods for identifying prey components after consumption often fail to make accurate identifications of invertebrates because prey morphology becomes damaged during capture, inge...

journal_title：Molecular ecology

authors： Jarman SN,Gales NJ,Tierney M,Gill PC,Elliott NG

更新日期：2002-12-01 00:00:00

abstract：:Agroforestry ecosystems may be an important resource for conservation and sustainable use of tropical trees, but little is known of the genetic diversity they contain. Inga edulis, a widespread indigenous fruit tree in South America, is used as a model to assess the maintenance of genetic diversity in five planted vs....

journal_title：Molecular ecology

authors： Hollingsworth PM,Dawson IK,Goodall-Copestake WP,Richardson JE,Weber JC,Sotelo Montes C,Pennington RT

更新日期：2005-02-01 00:00:00

abstract：:Sequence variation at the intron-1 of the voltage-gated sodium channel gene in Anopheles gambiae M- and S-forms from Cameroon was assessed to explore the number of mutational events originating knockdown resistance (kdr) alleles. Mosquitoes were sampled between December 2005 and June 2006 from three geographical areas...

journal_title：Molecular ecology

authors： Etang J,Vicente JL,Nwane P,Chouaibou M,Morlais I,Do Rosario VE,Simard F,Awono-Ambene P,Toto JC,Pinto J

更新日期：2009-07-01 00:00:00

abstract：:A considerable fraction of the world's biodiversity is of recent evolutionary origin and has evolved as a by-product of, and is maintained by, divergent adaptation in heterogeneous environments. Conservationists have paid attention to genetic homogenization caused by human-induced translocations (e.g. biological invas...

journal_title：Molecular ecology

authors： Seehausen O,Takimoto G,Roy D,Jokela J

更新日期：2008-01-01 00:00:00

abstract：:Unlike plants and vertebrates, the ecological preferences, and potential vulnerabilities of soil invertebrates to environmental change, remain poorly understood in terrestrial ecosystems globally. We conducted a cross-biome survey including 83 locations across six continents to advance our understanding of the ecologi...

journal_title：Molecular ecology

authors： Bastida F,Eldridge DJ,Abades S,Alfaro FD,Gallardo A,García-Velázquez L,García C,Hart SC,Pérez CA,Santos F,Trivedi P,Williams MA,Delgado-Baquerizo M

更新日期：2020-02-01 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：:The question of whether spatial aspects of evolution differ in marine versus terrestrial realms has endured since Ernst Mayr's 1954 essay on marine speciation. Marine systems are often suggested to support larger and more highly connected populations, but quantitative comparisons with terrestrial systems have been lac...

journal_title：Molecular ecology

authors： Ludington AJ,Sanders KL

更新日期：2020-11-10 00:00:00

abstract：:Research on contact zones has paid relatively little attention to host-parasite interactions, although these situations have important but different implications depending on whether one considers the host or the parasite's perspective. We investigated both the role of a host contact zone in parasite expansion and whe...

journal_title：Molecular ecology

authors： Reullier J,Pérez-Tris J,Bensch S,Secondi J

更新日期：2006-03-01 00:00:00

abstract：:Natural hybridization between closely related taxa is frequent in many organismal groups, yet it has long been perceived as a force preventing diversification and speciation, especially so in animals. In recent years, growing evidence in favour of hybridization facilitating adaptive divergence has accumulated (Mallet ...

journal_title：Molecular ecology

authors： Renaut S

更新日期：2011-04-01 00:00:00

abstract：:Analysis of mitochondrial DNA sequence variation has been used extensively to study the evolutionary relationships of individuals and populations, both within and across species. So ubiquitous and easily acquired are mtDNA data that it has been suggested that such data could serve as a taxonomic 'barcode' for an objec...

journal_title：Molecular ecology

authors： Thalmann O,Hebler J,Poinar HN,Pääbo S,Vigilant L

更新日期：2004-02-01 00:00:00