Speciation with gene flow
Speciation with gene flow in the Daphnia pulex species complex
... of gene flow, divergent selection may act on a few genomic regions, while other neutral regions homogenize, such as in the Z and E strain of the European corn borer moth (Ostrinia nubilalis) where only 1 ...
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Experimental evidence of genome-wide impact of ecological selection during early stages of speciation-with-gene-flow
... for speciation-with-gene-flow may be the evolution of suffi- cient adaptive divergence to enable genome-wide coupling of individual gene effects, which transitions RI from a feature of ...
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Genomic differentiation during speciation-with-gene-flow: Comparing geographic and host-related variation in divergent life history adaptation in rhagoletis pomonella
... and Figure 7). In comparison, sympatric populations of apple and hawthorn flies show a range of divergence in which clustering is just emerging as an inchoate property of divergent selection on diapause (Figure 6A–H). ...
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FROM GENES TO SPECIES: ECOLOGICAL SPECIATION WITH GENE FLOW IN \u3cem\u3eNEODIPRION PINETUM\u3c/em\u3e AND \u3cem\u3eN. LECONTEI\u3c/em\u3e
... 3.1 Abstract One area of evolutionary biology that has recently gained momentum is the genetic architecture of adaptation and speciation. Here we aim to connect genotype to phenotype to fitness in Neodiprion pine ...
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Single gene speciation: mating and gene flow between mirror image snails
... “single-gene” speciation, because mating between individuals of opposite chirality is believed not possible if the snails mate in a face-to-face ...single-gene speciation is sparse, mostly ...
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Divergence with gene flow across a speciation continuum of Heliconius butterflies
... the speciation process than previously ...the speciation process that suggest complex population histories and selective pressures likely drive rapid divergence early in the speciation ...erato ...
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Speciation over the edge: Gene flow among non-human primate species across a formidable biogeographic barrier
... of speciation over the edge of this biogeographic divide, we used genomic data to test for evidence of gene flow between macaque species across Wallace’s Line after macaques colonized ...
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Gene flow & dispersal as factors mediating population divergence, admixture and speciation in fishes
... DISPERSAL AND POPULATION STRUCTURE OF TELMATHERINA ANTONIAE, AN ENDEMIC TROPICAL FRESHWATER SAILFIN SILVERSIDE FROM SULAWESI, INDONESIA.. 3.1 Introduction 41 3.2 Methods 43 3.3 Resul[r] ...
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The Limits to Parapatric Speciation II: Strengthening a Preexisting Genetic Barrier to Gene Flow in Parapatry
... parapatric speciation includes many potential scenarios for the evolution of new ...to gene flow, that relies on a single postzygotic genetic incompatibility, may further evolve under ongoing ...of ...
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Inference of Gene Flow in the Process of Speciation: An Efficient Maximum-Likelihood Method for the Isolation-with-Initial-Migration Model
... Misspecification of the demographic model: To explore the potential effect of misspecification of the demographic model on inference accuracy, we first simulated 20 data sets of 40,000 loci each from a somewhat more complex ...
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Ecological speciation in sympatric palms: 1. Gene expression, selection and pleiotropy
... ‘ecological speciation genes’ and further validate their effect on flowering time by knocking out orthologous loci in a model plant ...ecological speciation loci, providing support for the hypothesis that ...
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Evolution and speciation
... The Rhagoletis pomonella sibling species complex is a model system for sympatric host race formation and speciation (e.g. Forbes et al., 2005; Linn et al., 2003; Linn et al., 2005b). The complex consists of ...
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Nuclear Gene Genealogies Reveal Historical, Demographic and Selective Factors Associated With Speciation in Field Crickets
... differ little with respect to allele frequencies yet they morphisms may persist for substantial lengths of time after interbreeding ceases (Hilton et al. 1994; Ting et are clearly not a single equilibrium population, so ...
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Historical Divergence and Gene Flow in the Genus Zea
... ABSTRACT Gene flow plays a fundamental role in plant evolutionary history, yet its role in population divergence—and ultimately speciation—remains poorly ...investigated gene flow and ...
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Catalysis in flow: Operando study of Pd catalyst speciation and leaching
... Catalysis in Flow: Operando study of Pd catalyst speciation and leaching. John B. Brazier, a Bao N. Nguyen, a,† Luis A. Adrio, a,§ Elena M. Barreiro, a Wai Peng Leong, a Mark A. Newton, c Santiago J. A. ...
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Microcolumn field sampling and flow injection techniques for mercury speciation
... element speciation methods, the field sampling technique coupled with flow injection - atomic fluorescence spectrom etry is convenient, very sensitive and relatively ...mercury speciation data would ...
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Field sampling and flow injection strategies for trace analysis and element speciation
... V r = t R Fc where Fc is the volume flow-rate of the mobile phase, usually expressed in ml min"1, at the column temperature. Atomic spectroscopy involves several techniques and the common factor in these ...
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Multiple rounds of speciation associated with reciprocal gene loss in polyploid yeasts
... of speciation associated with reciprocal gene loss in polyploid yeasts Devin ...duplicated gene pair, so that 4–7% of single-copy genes compared between any two species are not ...of gene loss ...
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GENE FLOW AND GENETIC DIFFERENTIATION
... Biologically this implies that, while the actual amounts of differentiation, F and S, depend upon the muta- tion rate and the effective local population size, N e (which is [r] ...
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GENE FLOW AND SELECTION IN A CLINE
... the environment changes on a scale less than the characteristic length, then the gene frequencies will not respond to the local variations but to the selection in- tensities average[r] ...
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