Results 21 to 30 of about 49,201 (297)
Beyond clines: lineages and haplotype blocks in hybrid zones [PDF]
Molecular Ecology, 2016 Abstract Hybrid zones formed between recently diverged populations offer an opportunity to study the mechanisms underlying reproductive isolation and the process of speciation. Here, we use a combination of analytical theory and explicit forward simulations to describe how selection against hybrid genotypes ...
Sedghifar, Alisa +2 more
openaire +3 more sources
, 2022 Hybrid zones are often described as clines of genetic and phenotypic traits moving across species barriers through introgression. Yet, hybrid zones can also be spatially complex and shift over time, and dispersal and vicariance can isolate portions of a ...
Tsai, Whitney L.E. +6 more
core +1 more source
The chromosomal constitution of fish hybrid lineage revealed by 5S rDNA FISH. [PDF]
BMC Genet, 2015 The establishment of the bisexual fertile fish hybrid lineage including the allodiploid and allotetraploid hybrids, from interspecific hybridization of red crucian carp (Carassius auratus red var. 2n = 100, 2n = AA) (♀) × common carp (Cyprinus carpio L.
Zhang C +7 more
europepmc +4 more sources
Parsimonious Inference of Hybridization in the Presence of Incomplete Lineage Sorting [PDF]
Systematic Biology, 2013 Hybridization plays an important evolutionary role in several groups of organisms. A phylogenetic approach to detect hybridization entails sequencing multiple loci across the genomes of a group of species of interest, reconstructing their gene trees, and taking their differences as indicators of hybridization. However, methods that follow this approach
Yu, Yun +2 more
openaire +3 more sources
Disentangling Population History and Character Evolution among Hybridizing Lineages [PDF]
Molecular Biology and Evolution, 2020 AbstractUnderstanding the origin and maintenance of adaptive phenotypic novelty is a central goal of evolutionary biology. However, both hybridization and incomplete lineage sorting can lead to genealogical discordance between the regions of the genome underlying adaptive traits and the remainder of the genome, decoupling inferences about character ...
Mullen, Sean +9 more
openaire +5 more sources
Using supernetworks to distinguish hybridization from lineage-sorting [PDF]
BMC Evolutionary Biology, 2008 A simple and widely used approach for detecting hybridization in phylogenies is to reconstruct gene trees from independent gene loci, and to look for gene tree incongruence. However, this approach may be confounded by factors such as poor taxon-sampling and/or incomplete lineage-sorting.Using coalescent simulations, we investigated the potential of ...
Holland, Barbara R. +4 more
openaire +4 more sources
Geographic Range Dynamics Drove Ancient Hybridization in a Lineage of Angiosperms [PDF]
The American Naturalist, 2017 Abstract Factors explaining global distribution patterns have been central to biology since the 19th century, yet failure to combine dispersal-based biogeography with shifts in habitat suitability remains a present-day setback in understanding geographic distributions present and past, and time-extended trajectories ...
Folk, R.A. +4 more
openaire +2 more sources
PHYLOGENETIC EVIDENCE FOR HYBRID ORIGINS OF ASEXUAL LINEAGES IN AN APHID SPECIES [PDF]
Evolution, 2003 Understanding the mode of origin of asexuality is central to ongoing debates concerning the evolution and maintenance of sexual reproduction in eukaryotes. This is because it has profound consequences for patterns of genetic diversity and ecological adaptability of asexual lineages, hence on the outcome of competition with sexual relatives both in ...
Delmotte, François +6 more
openaire +4 more sources
Molecular Plant-Microbe Interactions, 2021 The emergence of new fungal pathogens through hybridization represents a serious challenge for agriculture. Hybridization between the wheat mildew (Blumeria graminis f. sp. tritici) and rye mildew (B. graminis f. sp.
Marion C. Müller +4 more
doaj +1 more source
Karyotypes of Danubian lineage brown trout and their hybrids
Caryologia, 2019 Cytogenetic analysis of brown trout, Salmo trutta, have been described for different populations and morphs; however, cytogenetic analysis of interspecific brown trout hybrids is unknown. Cultured kidney cells from four brown trout subspecies (Salmo trutta abanticus, S.t. caspius, S.t. fario and S.t. labrax) and their reciprocal hybrids were karyotyped
Alemdag, Melike +3 more
openaire +3 more sources