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Related Concept Videos

Phylogenetic Trees03:21

Phylogenetic Trees

Phylogenetic trees come in many forms. It matters in which sequence the organisms are arranged from the bottom to the top of the tree, but the branches can rotate at their nodes without altering the information. The lines connecting individual nodes can be straight, angled, or even curved.The length of the branches can depict time or the relative amount of change among organisms. For instance, the branch length might indicate the number of amino acid changes in the sequence that underlies the...
Phylogenetic Trees03:21

Phylogenetic Trees

Phylogenetic trees come in many forms. It matters in which sequence the organisms are arranged from the bottom to the top of the tree, but the branches can rotate at their nodes without altering the information. The lines connecting individual nodes can be straight, angled, or even curved.The length of the branches can depict time or the relative amount of change among organisms. For instance, the branch length might indicate the number of amino acid changes in the sequence that underlies the...
Phylogeny01:23

Phylogeny

Phylogeny is concerned with the evolutionary diversification of organisms or groups of organisms. A group of organisms with a name is called a taxon (singular). Taxa (plural) can span different levels of the evolutionary hierarchy. For instance, the group containing all birds is a taxon (comprising the class Aves), and the group of all species of daisies (the genus Bellis) is a taxon. Phylogenies can likewise include just one genus (i.e., depict species relationships) or span an entire...
Evolutionary Relationships through Genome Comparisons02:54

Evolutionary Relationships through Genome Comparisons

Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
Microbial Phylogeny01:28

Microbial Phylogeny

Understanding the evolutionary relationships among microorganisms is fundamental to microbial ecology and taxonomy. Phylogenetic trees are essential tools for inferring these relationships, relying primarily on comparative analyses of molecular sequences such as DNA, RNA, or proteins. In microbial studies, these trees typically depict the evolutionary paths of diverse bacterial and archaeal species by mapping genetic differences accumulated over time.Phylogenetic trees are composed of tips,...
Gene Evolution - Fast or Slow?02:05

Gene Evolution - Fast or Slow?

The genomes of eukaryotes are punctuated by long stretches of sequence which do not code for proteins or RNAs. Although some of these regions do contain crucial regulatory sequences, the vast majority of this DNA serves no known function. Typically, these regions of the genome are the ones in which the fastest change, in evolutionary terms, is observed, because there is typically little to no selection pressure acting on these regions to preserve their sequences.
In contrast, regions which code...

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A Practical Guide to Phylogenetics for Nonexperts
12:00

A Practical Guide to Phylogenetics for Nonexperts

Published on: February 5, 2014

Treevolution: visual analysis of phylogenetic trees.

Rodrigo Santamaría1, Roberto Therón

  • 1Department of Computer Science and Automation, 37008 Salamanca, Spain. rodri@usal.es

Bioinformatics (Oxford, England)
|May 28, 2009
PubMed
Summary
This summary is machine-generated.

Treevolution enhances phylogenetic tree visualization with high interactivity, improving user exploration and analysis. This tool offers advanced visual analysis strategies for phylogenetic trees, aiding in deeper understanding.

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Area of Science:

  • Bioinformatics
  • Computational Biology
  • Evolutionary Biology

Background:

  • Phylogenetic tree visualization tools often lack sufficient interactivity, hindering in-depth analysis.
  • Radial representations of phylogenetic trees typically offer limited user interaction.
  • Effective visualization is crucial for understanding evolutionary relationships.

Purpose of the Study:

  • To introduce Treevolution, a novel tool for representing and exploring phylogenetic trees.
  • To enhance the visual analysis of phylogenetic trees through increased interactivity.
  • To facilitate a more thorough analysis of phylogenetic data for researchers.

Main Methods:

  • Development of an interactive platform for phylogenetic tree visualization.
  • Implementation of advanced interaction strategies within the visualization interface.
  • Focus on improving user experience for exploring complex tree structures.

Main Results:

  • Treevolution provides a highly interactive environment for phylogenetic tree exploration.
  • The tool facilitates visual analysis, overcoming limitations of existing methods.
  • Users can perform more thorough analyses due to enhanced interaction capabilities.

Conclusions:

  • Treevolution offers a significant advancement in phylogenetic tree visualization.
  • Increased interactivity in Treevolution improves the exploration and understanding of evolutionary data.
  • The tool empowers users with enhanced analytical capabilities for phylogenetic studies.