Results 1 to 10 of about 21,244 (285)

Accuracy of ancestral state reconstruction for non-neutral traits [PDF]

open access: yesSci Rep, 2020
The assumptions underpinning ancestral state reconstruction are violated in many evolutionary systems, especially for traits under directional selection. However, the accuracy of ancestral state reconstruction for non-neutral traits is poorly understood.
Woodhams, MD (15556577)   +4 more
core   +5 more sources

A comparison of ancestral state reconstruction methods for quantitative characters [PDF]

open access: yesJournal of Theoretical Biology, 2016
International audienceChoosing an ancestral state reconstruction method among the alternatives available for quantitative characters may be puzzling.
Gilles Didier
exaly   +6 more sources

Optimized ancestral state reconstruction using Sankoff parsimony [PDF]

open access: yesBMC Bioinformatics, 2009
Background Parsimony methods are widely used in molecular evolution to estimate the most plausible phylogeny for a set of characters. Sankoff parsimony determines the minimum number of changes required in a given phylogeny when a cost is associated to ...
Gabriel Valiente   +7 more
core   +4 more sources

WARACS: Wrappers to Automate the Reconstruction of Ancestral Character States [PDF]

open access: yesApplications in Plant Sciences, 2016
Premise of the study: Reconstructions of ancestral character states are among the most widely used analyses for evaluating the morphological, cytological, or ecological evolution of an organismic lineage.
Michael Gruenstaeudl
exaly   +6 more sources

Choosing the best ancestral character state reconstruction method [PDF]

open access: yesMathematical Biosciences, 2013
Despite its intrinsic difficulty, ancestral character state reconstruction is an essential tool for testing evolutionary hypothesis. Two major classes of approaches to this question can be distinguished: parsimony- or likelihood-based approaches.
Gilles Didier
exaly   +5 more sources

Evidence for a Syncytial Origin of Eukaryotes from Ancestral State Reconstruction. [PDF]

open access: yesGenome Biol Evol, 2021
AbstractModern accounts of eukaryogenesis entail an endosymbiotic encounter between an archaeal host and a proteobacterial endosymbiont, with subsequent evolution giving rise to a unicell possessing a single nucleus and mitochondria. The mononucleate state of the last eukaryotic common ancestor (LECA) is seldom, if ever, questioned, even though cells ...
Skejo J   +8 more
europepmc   +7 more sources

Evolutionary insights into Felidae iris color through ancestral state reconstruction. [PDF]

open access: yesiScience, 2023
Summary There have been almost no studies with an evolutionary perspective on eye (iris) color, outside of humans and domesticated animals. Extant members of the family Felidae have a great interspecific and intraspecific diversity of eye colors, in stark contrast to their closest relatives, all of which have only brown eyes. This makes
Tabin JA, Chiasson KA.
europepmc   +3 more sources

Morphological character evolution and ancestral state reconstruction in phylactolaemate bryozoans [PDF]

open access: yesScientific Reports
Phylactolaemates represent a small clade within bryozoans that exclusively occur in limnic habitats. About 100 species are described in seven to eight families.
Julian Bibermair   +2 more
doaj   +2 more sources

Ancestral state reconstruction of metabolic pathways across pangenome ensembles. [PDF]

open access: yesMicrob Genom, 2020
As genome sequencing efforts are unveiling the genetic diversity of the biosphere with an unprecedented speed, there is a need to accurately describe the structural and functional properties of groups of extant species whose genomes have been sequenced, as well as their inferred ancestors, at any given taxonomic level of their phylogeny.
Psomopoulos FE   +4 more
europepmc   +5 more sources

Evolutionary Origin of Prolonged Delayed Fertilization in the Fagaceae [PDF]

open access: yesEcology and Evolution
The temporal organization of flowering, fertilization, and fruiting is a fundamental axis of life‐history evolution in angiosperms. While most species complete fruit development within a single growing season (“1‐year fruiting”), many Fagaceae species ...
Takenori Shagawa   +5 more
doaj   +2 more sources

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