Results 21 to 30 of about 7,231,771 (330)
Species integrity in trees [PDF]
From California sequoia, to Australian eucalyptus, to the outstanding diversity of Amazonian forests, trees are fundamental to many processes in ecology and evolution. Trees define the communities that they inhabit, are host to a multiplicity of other organisms and can determine the ecological dynamics of other plants and animals. Trees are also at the
Ortiz-Barrientos, Daniel, Baack, Eric J.
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Estimating Species Trees from Unrooted Gene Trees [PDF]
In this study, we develop a distance method for inferring unrooted species trees from a collection of unrooted gene trees. The species tree is estimated by the neighbor joining (NJ) tree built from a distance matrix in which the distance between two species is defined as the average number of internodes between two species across gene trees, that is ...
Liu, Liang, Yu, Lili
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Gene trees and species trees: irreconcilable differences [PDF]
Reconciliation is the classical method for inferring a duplication and loss history from a set of extant genes. It is based upon the notion of embedding the gene tree into the species tree, the incongruence between the two indicating evidence for duplication and loss.
Swenson Krister M, El-Mabrouk Nadia
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The Inference of Gene Trees with Species Trees [PDF]
Review article in relation to the "Mathematical and Computational Evolutionary Biology" conference, Montpellier ...
Szöllősi, Gergely +3 more
openaire +5 more sources
ASTRAL-III: polynomial time species tree reconstruction from partially resolved gene trees
Evolutionary histories can be discordant across the genome, and such discordances need to be considered in reconstructing the species phylogeny. ASTRAL is one of the leading methods for inferring species trees from gene trees while accounting for gene ...
Chao Zhang +3 more
semanticscholar +1 more source
The article evaluates 27 provenances of three subspecies of lodgepole pine on the Kovářská research plot (Krušné hory Mts.). The plot is part of a series of three established plots in various stand conditions.
Jiří ČÁP +4 more
doaj +1 more source
As important components of the cosmopolitan soil biota, soil nematodes are found at multiple trophic levels of the belowground food web and play an important role in soil function.
Fangyuan Shen +5 more
doaj +1 more source
Axiomatic opportunities and obstacles for inferring a species tree from gene trees [PDF]
The reconstruction of a central tendency `species tree' from a large number of conflicting gene trees is a central problem in systematic biology. Moreover, it becomes particularly problematic when taxon coverage is patchy, so that not all taxa are ...
Steel, Mike, Velasco, Joel D.
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Estimating coextinction risks from epidemic tree death [PDF]
At least 10% of the world's tree species are threatened with extinction and pathogens are increasingly implicated in tree threats. Coextinction and threats to affiliates as a consequence of the loss or decline of their host trees is a poorly understood ...
Jönsson, Mari, Thor, Göran
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ASTRAL: genome-scale coalescent-based species tree estimation
Motivation: Species trees provide insight into basic biology, including the mechanisms of evolution and how it modifies biomolecular function and structure, biodiversity and co-evolution between genes and species.
S. Mirarab +5 more
semanticscholar +1 more source

