Divergence with gene flow: models and data

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August undefined, 2024

WebJun 23, 2015 · These data are integrated under evolutionary mechanisms (e.g., spatially localized gene flow with reduced migration) and reflected in emergent properties expected under models of reinforcement (e.g., ethological isolation and selection against hybrids). Their genetic divergence is prima facie more » Web1 day ago · Short introgressed fragments are a signal of ancient gene flow, while long introgressed fragments are a signal of recent gene flow (Duranton et al. 2024). Consequently, our results support an independent evolutionary lineage of eastern wolves post-divergence from grey wolves, followed by ancient and recent admixture with …

Frontiers Divergence With Gene Flow and Contrasting …

WebOverall, our analyses suggest that the simple introgression model is useful for extracting information concerning between-specific gene flow and divergence even when the … WebDec 5, 2024 · Genomic sequence data provide a rich source of information about the history of species divergence and interspecific hybridization or introgression. … t shirt logo press

Genomic divergence between two sister Medicago …

WebIn this paper, we use mathematical analysis and computer simulation to examine the impact of model misspecification on estimation of parameters under the MSci model, such as species divergence and introgression times, population sizes, and … WebSurprisingly, population models with both gene flow and population size heterogeneities among genomes indicated that these three species are still able to exchange genes due to secondary contacts at some localities after a long period of isolation. Keywords: speciation; secondary contact; nuclear and mitochondrial genome; transcriptome; DILS 1. WebPopulation divergence and gene flow are key processes in evolution and ecology. Model-based analysis of genome-wide data sets allows discrimination between alternative … t shirt loneliness

Evidence for Asymmetrical Divergence-Gene Flow of Nuclear Loci …

WebMar 18, 2024 · M. ruthenica and M. archiducis-nicolai are well-delimited based on population genomic data, although hybrids exist in sympatric sampling locations. Coalescent … WebMay 9, 2013 · Divergence in the face of gene flow results from the interaction of the opposing forces of gene flow and diversifying selection and the action of recombination. t shirt lomepalWeb4 rows · Models of divergence in sympatry are more complex than models of divergence in allopatry, ... ES41CH11-Hey ARI 7 October 2010 11:1 Divergence with Gene Flow: Models and … The domestication of plants and animals over the past 11,500 years has had a … philosophy images and pictures

"WebMar 8, 2024 · We conclude that this approach, based on ddRAD data and an IM model, is highly useful for analyzing the origin of populations and species. ... Pinho, C. & Hey, J. … " - Divergence with gene flow: models and data

Divergence with gene flow: models and data

Species Delimitation with Gene Flow Systematic Biology Oxford …

WebApr 3, 2024 · Thus, the spatial arrangement of landscape features drives connectivity or creates barriers to gene flow, directly affecting divergence processes (Richardson et al., 2016; Sexton et al., 2014). ... (Bayes Factor < 0.0001), which suggests that patterns of relatedness in these genomic data were well-described by an IBD model. WebApr 17, 2013 · The program IMa was used to contrast models of divergence with gene flow versus strictly allopatric differentiation. IMa implements the coalescent based …

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WebJan 8, 2024 · Here f is the fraction of gene flow, N is the population size, T 3 is the divergence time between the donor and recipient of gene flow, T 2 is the divergence time between the recipient of gene flow and its sister species that have not received gene flow, and T gf is the time of the gene flow event. All times are in units of generations. The … WebMar 18, 2024 · Genomic divergence between two sister Medicagospecies triggered by the quaternary climatic oscillations on the Qinghai–Tibet plateau and northern China Wei Guo, Wei Guo State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, College of Ecology, Lanzhou University, Lanzhou, China Search for more papers by this …

WebApr 13, 2024 · Gene duplication is thought to be a central process in evolution to gain new functions. The factors that dictate gene retention following duplication as well paralog gene divergence in sequence, expression and function have been extensively studied. However, relatively little is known about the evolution of promoter regions of gene duplicates and … WebApr 18, 2024 · We argue that empirical studies on divergence with gene flow should consider the possibility of both ecological and intrinsic barriers. Future progress will likely come from work combining population genomic studies, experiments quantifying fitness and molecular studies on protein function and interactions. 1 INTRODUCTION

WebNov 13, 2024 · Here, we used genome-scale data and demographic modelling to resolve the evolutionary history of Lednia ... Coalescent-based demographic modelling … WebDec 27, 2016 · Shedding Light on the Grey Zone of Speciation along a Continuum of Genomic Divergence Author Summary Isolated populations accumulate genetic differences across their genomes as they diverge, whereas gene flow between populations counteracts divergence and tends to restore genetic homogeneity.

WebAn Early Divergence of KhoeSan Ancestors from Those of Other Modern Humans Is Supported by an ABC-Based Analysis of Autosomal Resequencing Data . × ...

WebMay 4, 2024 · Using simulations, we show that the estimated values of ancestral population sizes and species divergence times are close to the true values when analyzing the simulation data sets, which are generated based on the isolation-with-initial-migration model, secondary contact model, and isolation-with-migration model. t shirt long backWebMay 19, 2015 · The detection of high gene flow within many different populations signifies that recombination is a widespread homogenizing force preventing genetic divergence in bacteria and archaea. Further, it indicates that barriers to gene flow are likely required to promote speciation. tshirt logos masonry philosophy in 90 minutes