Epigenetic variation predicts regional and local intraspecific functional diversity in a perennial herb.

abstract：:Contemporary North American drainage basins are composites of formerly isolated drainages, suggesting that fragmentation and fusion of palaeodrainage systems may have been an important factor generating current patterns of genetic and species diversity in stream-associated organisms. Here, we combine traditional molec...

journal_title：Molecular ecology

authors： Kozak KH,Blaine RA,Larson A

更新日期：2006-01-01 00:00:00

abstract：:As populations diverge many processes can shape genomic patterns of differentiation. Regions of high differentiation can arise due to divergent selection acting on selected loci, genetic hitchhiking of nearby loci, or through repeated selection against deleterious alleles (linked background selection); this divergence...

journal_title：Molecular ecology

authors： Lehnert SJ,Kess T,Bentzen P,Clément M,Bradbury IR

更新日期：2020-06-01 00:00:00

abstract：:Spatial discordance between primary and effective dispersal in plant populations indicates that postdispersal processes erase the seed rain signal in recruitment patterns. Five different models were used to test the spatial concordance of the primary and effective dispersal patterns in a European beech (Fagus sylvatic...

journal_title：Molecular ecology

authors： Millerón M,López de Heredia U,Lorenzo Z,Alonso J,Dounavi A,Gil L,Nanos N

更新日期：2013-03-01 00:00:00

abstract：:The application of spatially explicit models of population dynamics to fisheries management and the design marine reserve network systems has been limited due to a lack of empirical estimates of larval dispersal. Here we compared assignment tests and parentage analysis for examining larval retention and connectivity u...

journal_title：Molecular ecology

authors： Saenz-Agudelo P,Jones GP,Thorrold SR,Planes S

更新日期：2009-04-01 00:00:00

abstract：:We compared genetic variation and population differentiation at RFLP marker loci with seven quantitative characters including fungicide resistance, temperature sensitivity, pycnidial size, pycnidial density, colony size, percentage of leaves covered by pycnidia (PLACP) and percentage of leaves covered by lesions (PLAC...

journal_title：Molecular ecology

authors： Zhan J,Linde CC,Jürgens T,Merz U,Steinebrunner F,McDonald BA

更新日期：2005-08-01 00:00:00

abstract：:Plants that produce dust seeds can recruit fungi to meet their earliest requirements for carbon and other nutrients. This germination strategy, termed initial mycoheterotrophy, has been well investigated among the orchid family, but there are numerous other plant lineages that have independently evolved mycoheterotrop...

journal_title：Molecular ecology

authors： Hynson NA,Weiß M,Preiss K,Gebauer G,Treseder KK

更新日期：2013-03-01 00:00:00

abstract：:Homologous recombination between bacterial strains is theoretically capable of preventing the separation of daughter clusters, and producing cohesive clouds of genotypes in sequence space. However, numerous barriers to recombination are known. Barriers may be essential such as adaptive incompatibility, or ecological, ...

journal_title：Molecular ecology

authors： Sheppard SK,Cheng L,Méric G,de Haan CP,Llarena AK,Marttinen P,Vidal A,Ridley A,Clifton-Hadley F,Connor TR,Strachan NJ,Forbes K,Colles FM,Jolley KA,Bentley SD,Maiden MC,Hänninen ML,Parkhill J,Hanage WP,Corander J

更新日期：2014-05-01 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：: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：: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：:Speciation remains a central enigma in biology, and nowhere is this more apparent than in shallow tropical seas where biodiversity rivals that of tropical rainforests. Obvious barriers to gene flow are few and most marine species have a highly dispersive larval stage, which should greatly decrease opportunities for sp...

journal_title：Molecular ecology

authors： Bird CE,Holland BS,Bowen BW,Toonen RJ

更新日期：2011-05-01 00:00:00

abstract：:Crater lakes provide a natural laboratory to study speciation of cichlid fishes by ecological divergence. Up to now, there has been a dearth of transcriptomic and genomic information that would aid in understanding the molecular basis of the phenotypic differentiation between young species. We used next-generation seq...

journal_title：Molecular ecology

authors： Elmer KR,Fan S,Gunter HM,Jones JC,Boekhoff S,Kuraku S,Meyer A

更新日期：2010-03-01 00:00:00

abstract：:Dispersal drives diverse processes from population persistence to community dynamics. However, the amount of temporal variation in dispersal and its consequences for metapopulation dynamics is largely unknown for organisms with environmentally driven dispersal (e.g., many marine larvae, arthropods and plant seeds). He...

journal_title：Molecular ecology

authors： Catalano KA,Dedrick AG,Stuart MR,Puritz JB,Montes HR Jr,Pinsky ML

更新日期：2020-11-16 00:00:00

abstract：:Transposable elements are mobile sequences found in nuclear genomes and can potentially serve as molecular markers in various phylogenetic and population genetic investigations. A PCR-based method that utilizes restriction site variation of element copies within a genome is developed. These patterns of site variation,...

journal_title：Molecular ecology

authors： Purugganan MD,Wessler SR

更新日期：1995-04-01 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：:Herbicides act as human-mediated novel selective agents and community disruptors, yet their full effects on eco-evolutionary dynamics in natural communities have only begun to be appreciated. Here, we synthesize how herbicide exposures can result in dramatic phenotypic and compositional shifts within communities at th...

journal_title：Molecular ecology

authors： Iriart V,Baucom RS,Ashman TL

更新日期：2020-06-16 00:00:00

abstract：:Formation of partially reproductively isolated ecotypes in the rough periwinkle, Littorina saxatilis, may be a case of incipient nonallopatric ecological speciation. To better understand the dynamics of ecotype formation, its timescale, driving forces and evolutionary consequences, we developed a spatially explicit, i...

journal_title：Molecular ecology

authors： Sadedin S,Hollander J,Panova M,Johannesson K,Gavrilets S

更新日期：2009-10-01 00:00:00

abstract：:There is a long-standing debate over whether or not the Pleistocene glaciations promoted speciation. While some models predict that extensive mixing of populations during interglacial expansion would have inhibited divergence, others postulate that divergence among allopatric glacial refuges or founder events during r...

journal_title：Molecular ecology

authors： Knowles LL

更新日期：2001-03-01 00:00:00

abstract：:Future climate scenarios predict changes in rainfall regimes. These changes are expected to affect plants via effects on the expression of root traits associated with water and nutrient uptake. Associated microorganisms may also respond to these new precipitation regimes, either directly in response to changes in the ...

journal_title：Molecular ecology

authors： Deveautour C,Donn S,Power SA,Bennett AE,Powell JR

更新日期：2018-04-01 00:00:00

abstract：:Hypotheses of diversification in eastern North American freshwater fishes have focused primarily on allopatric distributions of species between disjunct highland areas and major river systems. However, these hypotheses do not fully explain the rich diversity of species within highland regions and river systems. Relati...

journal_title：Molecular ecology

authors： Keck BP,Near TJ

更新日期：2010-11-01 00:00:00

abstract：:An investigation of a parasite species that is broadly host- and habitat-specific and exhibits alternative transmission strategies was undertaken to examine intraspecific variability and if it can be attributed to cryptic speciation or environmentally induced plasticity. Specimens of an acanthocephalan parasite, Lepto...

journal_title：Molecular ecology

authors： Steinauer ML,Nickol BB,Ortí G

更新日期：2007-10-01 00:00:00

abstract：:On evolutionary timescales, sea level oscillations lead to recurrent spatio-temporal variation in species distribution and population connectivity. In this situation, applying classical concepts of biogeography is challenging yet necessary to understand the mechanisms underlying biodiversity in highly diverse marine e...

journal_title：Molecular ecology

authors： Bertrand JAM,Borsa P,Chen WJ

更新日期：2017-05-01 00:00:00

abstract：:Organismal traits interact with environmental variation to mediate how species respond to shared landscapes. Thus, differences in traits related to dispersal ability or physiological tolerance may result in phylogeographic discordance among co-distributed taxa, even when they are responding to common barriers. We quan...

journal_title：Molecular ecology

authors： Bell RC,Parra JL,Badjedjea G,Barej MF,Blackburn DC,Burger M,Channing A,Dehling JM,Greenbaum E,Gvoždík V,Kielgast J,Kusamba C,Lötters S,McLaughlin PJ,Nagy ZT,Rödel MO,Portik DM,Stuart BL,VanDerWal J,Zassi-Boulou AG,

更新日期：2017-10-01 00:00:00

abstract：:High-throughput DNA methods hold great promise for the study of taxonomically intractable mesofauna of the soil. Here, we assess species diversity and community structure in a phylogenetic framework, by sequencing total DNA from bulk specimen samples and assembly of mitochondrial genomes. The combination of mitochondr...

journal_title：Molecular ecology

authors： Andújar C,Arribas P,Ruzicka F,Crampton-Platt A,Timmermans MJ,Vogler AP

更新日期：2015-07-01 00:00:00

abstract：:Heavy fishing and other anthropogenic influences can have profound impact on a species' resilience to harvesting. Besides the decrease in the census and effective population size, strong declines in mature adults and recruiting individuals may lead to almost irreversible genetic changes in life-history traits. Here, w...

journal_title：Molecular ecology

authors： Cuveliers EL,Volckaert FA,Rijnsdorp AD,Larmuseau MH,Maes GE

更新日期：2011-09-01 00:00:00

abstract：:Greater prairie-chickens (Tympanuchus cupido pinnatus) were once found throughout the tallgrass prairie of midwestern North America but over the last century these prairies have been lost or fragmented by human land use. As a consequence, many current populations of prairie-chickens have become isolated and small. Thi...

journal_title：Molecular ecology

authors： Johnson JA,Toepfer JE,Dunn PO

更新日期：2003-12-01 00:00:00

abstract：:Many insect groups have obligate associations with primary endosymbionts: mutualistic bacteria that are maternally transmitted and derived from an ancient infection. Often, the same insects are hosts to 'secondary' bacterial symbionts which are maternally transmitted but relatively labile within host lineages. To expl...

journal_title：Molecular ecology

authors： Sandström JP,Russell JA,White JP,Moran NA

更新日期：2001-01-01 00:00:00

abstract：:Habitat fragmentation is one of the major contributors to the loss of biodiversity worldwide. However, relatively little is known about its more immediate impacts on within-patch population processes such as social structure and mating systems, whose alteration may play an important role in extinction risk. We investi...

journal_title：Molecular ecology

authors： Banks SC,Ward SJ,Lindenmayer DB,Finlayson GR,Lawson SJ,Taylor AC

更新日期：2005-05-01 00:00:00

abstract：:The desert locust (Schistocerca gregaria) undergoes crowding-induced phase transformation from solitary form to gregarious form. The transformations involves changes in behaviour, colour, development, morphometry, fecundity and endocrine physiology. Recession populations of the desert locust exist primarily in the sol...

journal_title：Molecular ecology

authors： Ibrahim KM

更新日期：2001-03-01 00:00:00

abstract：:Dispersal is a fundamental attribute of species in nature and shapes population dynamics, evolutionary trajectories and genetic variation across spatial and temporal scales. It is increasingly clear that landscape features have large impacts on dispersal patterns. Thus, understanding how individuals and species move t...

journal_title：Molecular ecology

authors： Row JR,Blouin-Demers G,Lougheed SC

更新日期：2010-12-01 00:00:00