Results 51 to 60 of about 7,231,771 (330)

The Effect of Gene Flow on Coalescent‐based Species‐Tree Inference [PDF]

open access: yesSystematic Biology, 2017
.— Most current methods for inferring species‐level phylogenies under the coalescent model assume that no gene flow occurs following speciation. Several studies have examined the impact of gene flow (e.g., Eckert and Carstens 2008; Chung and Ané 2011 ...
Colby Long, L. Kubatko
semanticscholar   +1 more source

Large-Scale Species Tree Estimation

open access: yes, 2023
Species tree estimation is a complex problem, due to the fact that different parts of the genome can have different evolutionary histories than the genome itself. One of the causes for this discord is incomplete lineage sorting (also called deep coalescence), which is a population-level process that produces gene trees that differ from the species tree.
Molloy, Erin, Warnow, Tandy
openaire   +2 more sources

RECONCILIATION WITH NON-BINARY SPECIES TREES [PDF]

open access: yesComputational Systems Bioinformatics, 2007
Reconciliation extracts information from the topological incongruence between gene and species trees to infer duplications and losses in the history of a gene family. The inferred duplication-loss histories provide valuable information for a broad range of biological applications, including ortholog identification, estimating gene duplication times ...
B, Vernot   +3 more
openaire   +4 more sources

Integrated mRNA and Small RNA Sequencing Reveals microRNAs Associated With Xylem Development in Dalbergia odorifera

open access: yesFrontiers in Genetics, 2022
Dalbergia odorifera is a rare and precious rosewood specie, whose wood is a very high-quality material for valuable furniture and carving crafts. However, limited information is available about the process of wood formation in D. odorifera.
Wenxiu Zhao   +10 more
doaj   +1 more source

STAG: Species Tree Inference from All Genes

open access: yesbioRxiv, 2018
Species tree inference is fundamental to our understanding of the evolution of life on earth. However, species tree inference from molecular sequence data is complicated by gene duplication events that limit the availably of suitable data for ...
David M. Emms, S. Kelly
semanticscholar   +1 more source

Lianas Suppress Seedling Growth and Survival of 14 Tree Species in a Panamanian Tropical Forest [PDF]

open access: yes, 2016
Lianas are a common plant growth form in tropical forests, where they compete intensely with trees, decreasing tree recruitment, growth, and survival. If the detrimental effects of lianas vary significantly with tree species identity, as is often assumed,
Andrade   +65 more
core   +2 more sources

ASTRAL-II: coalescent-based species tree estimation with many hundreds of taxa and thousands of genes

open access: yesBioinform., 2015
Motivation: The estimation of species phylogenies requires multiple loci, since different loci can have different trees due to incomplete lineage sorting, modeled by the multi-species coalescent model.
S. Mirarab, T. Warnow
semanticscholar   +1 more source

Evaluation of the IUFRO provenance plot with grand fir in the Habr locality (Western Bohemia) at the age of 31 years

open access: yesJournal of Forest Science, 2015
In the framework of an international IUFRO provenance research of grand fir (Abies grandis/D. Don/ Lindl.), a series of research plots was established in the Czech Republic in 1980-1982. This paper focuses on an evaluation of experimental plot No.
R. Krejzek   +4 more
doaj   +1 more source

Status, distribution and use of threatened tree species in the walnut-fruit forests of Kyrgyzstan [PDF]

open access: yes, 2014
Information is lacking on the status of threatened tree species in Central Asia. This paper aims to provide preliminary information for 10 fruit and nut tree species of Kyrgyzstan. A field survey was conducted throughout the range of walnut-fruit forests
Buttenschon RM   +6 more
core   +1 more source

Insight into the Phylogenetic Relationships and Evolutionary History of Indocalamus (Bambusoideae) Through Comparative Analyses of Plastomes

open access: yesHorticulturae
Indocalamus Nakai, a genus within the tribe Arundinarieae, has significant horticultural and economic value. However, its classification has long been challenging, and due to limited sampling, both intra- and intergeneric phylogenetic relationships, as ...
Chengkun Wang   +8 more
doaj   +1 more source

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