Results 41 to 50 of about 1,652,278 (203)

Phylogenetic impoverishment of Amazonian tree communities in an experimentally fragmented forest landscape. [PDF]

PLoS ONE, 2014
Amazonian rainforests sustain some of the richest tree communities on Earth, but their ecological and evolutionary responses to human threats remain poorly known.
Bráulio A Santos, Marcelo Tabarelli, Felipe P L Melo, José L C Camargo, Ana Andrade, Susan G Laurance, William F Laurance   +6 more
doaj   +1 more source

Understanding the tree of life: an overview of tree-reading skill frameworks

Evolution: Education and Outreach, 2019
Diagrammatic depictions of evolutionary relationships play an increasingly important role in scientific and educational literature. Reading evolutionary trees is seen as a major challenge for biologists in learning about evolution and its applications in
Thilo Schramm, Yvonne Schachtschneider, Philipp Schmiemann   +2 more
doaj   +1 more source

Molecular Taxonomy Matches Pollen Grains Taxonomy in Differentiation Between Some Caesalpinioideae Taxa [PDF]

Journal of Plant Production, 2023
Phylogeny investigation relying on chloroplast genome sequence is an established approach in differentiation between plants derived from related ancestors.
El-S. Abd El-Aziz,, A. Awad
doaj   +1 more source

ü . On the Construction of a Phylogenetic Tree

Zeitschrift für Naturforschung C, 1979
Abstract Phylogenetic Dendrograms, Molecular Evolution For the construction of a phylogenetic tree an algorithm is described. This, allows the correction of the original data and the proper selection, in each step of the process, of the nearest neighbours of a common ancestor.
Tohá Castellá, José, Soto, María Angélica, Pieber Jiménez, María   +2 more
openaire   +4 more sources

Rearrangement operations on unrooted phylogenetic networks

Theory and Applications of Graphs, 2019
Rearrangement operations transform a phylogenetic tree into another one and hence induce a metric on the space of phylogenetic trees. Popular operations for unrooted phylogenetic trees are NNI (nearest neighbour interchange), SPR (subtree prune and ...
Remie Janssen, Jonathan Klawitter
doaj   +1 more source

Information geometry for phylogenetic trees [PDF]

Journal of Mathematical Biology, 2021
AbstractWe propose a new space of phylogenetic trees which we callwald space. The motivation is to develop a space suitable for statistical analysis of phylogenies, but with a geometry based on more biologically principled assumptions than existing spaces: in wald space, trees are close if they induce similar distributions on genetic sequence data.
Garba, M. K., Nye, T. M. W., Lueg, J., Huckemann, S. F., Garba, M. K.; Department of Mathematical Sciences, Bayero University, Kano, Nigeria, Nye, T. M. W.; School of Mathematics, Statistics and Physics, Newcastle University, Newcastle upon Tyne, UK, Lueg, J.; Felix-Bernstein-Institute for Mathematical Statistics in the Biosciences, Georg-August-Universität, Göttingen, Germany, Huckemann, S. F.; Felix-Bernstein-Institute for Mathematical Statistics in the Biosciences, Georg-August-Universität, Göttingen, Germany   +7 more
openaire   +6 more sources

A new resolution function to evaluate tree shape statistics.

PLoS ONE, 2019
Phylogenetic trees are frequently used in biology to study the relationships between a number of species or organisms. The shape of a phylogenetic tree contains useful information about patterns of speciation and extinction, so powerful tools are needed ...
Maryam Hayati, Bita Shadgar, Leonid Chindelevitch   +2 more
doaj   +1 more source

Conflicting phylogenetic signals in plastomes of the tribe Laureae (Lauraceae) [PDF]

PeerJ, 2020
Background Gene tree discordance is common in phylogenetic analyses. Many phylogenetic studies have excluded non-coding regions of the plastome without evaluating their impact on tree topology. In general, plastid loci have often been treated as a single
Tian-Wen Xiao, Yong Xu, Lu Jin, Tong-Jian Liu, Hai-Fei Yan, Xue-Jun Ge   +5 more
doaj   +2 more sources

tidy tree: A New Layout for Phylogenetic Trees

Molecular Biology and Evolution, 2022
AbstractMany layouts exist for visualizing phylogenetic trees, allowing to display the same information (evolutionary relationships) in different ways. For large phylogenies, the choice of the layout is a key element, because the printable area is limited, and because interactive on-screen visualizers can lead to unreadable phylogenetic relationships ...
Penel, Simon, de Vienne, Damien
openaire   +3 more sources

Phylogenetic support values are not necessarily informative : the case of the Serialia hypothesis (a mollusk phylogeny) [PDF]

, 2009
Background: Molecular phylogenies are being published increasingly and many biologists rely on the most recent topologies. However, different phylogenetic trees often contain conflicting results and contradict significant background data. Not knowing how
Annette Klussmann-Kolb, Christoph Mayer, Wägele, Johann Wolfgang, Klussmann-Kolb Annette, Heike Wägele, Mayer, Christoph, Wägele, Heike, Wägele J Wolfgang, Letsch, Harald, Mayer Christoph, Klussmann-Kolb, Annette, Misof Bernhard, Wägele Heike, Bernhard Misof, J Wolfgang Wägele, Harald Letsch, Misof, Bernhard, Letsch Harald   +17 more
core   +1 more source