Results 11 to 20 of about 44,701 (256)
A hybrid sub-lineage of Listeria monocytogenes comprising hypervirulent isolates [PDF]
Listeria monocytogenes isolates are highly heterogeneous and exhibit different levels of virulence. Here, the authors identify hypervirulent isolates that represent a hybrid sub-lineage of the major lineage II harbouring virulence factors from Listeria ...
Yuelan Yin +23 more
doaj +4 more sources
Revealing the Detailed Lineage of Script Outputs Using Hybrid Provenance [PDF]
We illustrate how combining retrospective and prospectiveprovenance can yield scientifically meaningful hybrid provenancerepresentations of the computational histories of data produced during a script run.
Qian Zhang +10 more
doaj +2 more sources
Sex chromosome turnover in hybridizing stickleback lineages
Abstract Recent discoveries of sex chromosome diversity across the tree of life have challenged the canonical model of conserved sex chromosome evolution and evoked new theories on labile sex chromosomes that maintain less differentiation and undergo frequent turnover.
Xueling Yi +5 more
openaire +3 more sources
Disentangling Population History and Character Evolution among Hybridizing Lineages [PDF]
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
Natural hybridization generates mammalian lineage with species characteristics [PDF]
Most diploid species arise from single-species ancestors. Hybrid origins of new species are uncommon (except among polyploids) and are documented infrequently in animals. Examples of natural hybridization leading to speciation in mammals are exceedingly rare.
Peter A, Larsen +2 more
openaire +2 more sources
Using supernetworks to distinguish hybridization from lineage-sorting [PDF]
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
A conventional cytogenetics analysis revealed for first time an allopolyploid lineage of the genus Aeschynomene in Mexico. The hybrid condition is confirmed after all the prometaphase and metaphase nuclei of the hybrids exhibited only one pair of SAT ...
Fernando Tapia-Pastrana +1 more
doaj +1 more source
Beyond clines: lineages and haplotype blocks in hybrid zones [PDF]
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
The ascomycete Verticillium longisporum is a hybrid and a plant pathogen with an expanded host range. [PDF]
Hybridization plays a central role in plant evolution, but its overall importance in fungi is unknown. New plant pathogens are thought to arise by hybridization between formerly separated fungal species.
Patrik Inderbitzin +3 more
doaj +1 more source
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

