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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...
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,...
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...
Applications of Molecular Taxonomy01:20

Applications of Molecular Taxonomy

Molecular taxonomy has revolutionized the understanding and classification of bacteria, providing precise insights into their diversity, evolutionary relationships, and ecological roles. By utilizing molecular techniques such as DNA sequencing and fingerprinting, researchers have made significant strides in various fields related to bacterial studies.Resolving Taxonomic AmbiguitiesMolecular taxonomy has been instrumental in distinguishing closely related bacterial species initially thought to...

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Updated: Jul 1, 2026

A Practical Guide to Phylogenetics for Nonexperts
12:00

A Practical Guide to Phylogenetics for Nonexperts

Published on: February 5, 2014

Visualizing phylogenetic trees using TreeView.

Roderic D M Page1

  • 1University of Glasgow, Glasgow, Scotland.

Current Protocols in Bioinformatics
|September 17, 2008
PubMed
Summary
This summary is machine-generated.

TreeView is a versatile tool for visualizing and printing phylogenetic trees from various software, enhancing the quality of tree graphics for publication. It supports multiple file formats and offers customizable display options for clear data representation.

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Area of Science:

  • Bioinformatics
  • Computational Biology
  • Evolutionary Biology

Background:

  • Phylogenetic tree visualization is crucial for evolutionary studies.
  • Many phylogenetic software packages lack robust tree-printing capabilities.
  • Generating publication-quality figures from phylogenetic analyses can be challenging.

Purpose of the Study:

  • To introduce TreeView, a software tool designed for viewing and printing phylogenetic trees.
  • To provide a solution for creating publication-quality tree graphics.
  • To offer a user-friendly interface for phylogenetic tree visualization and manipulation.

Main Methods:

  • TreeView reads and writes diverse phylogenetic tree file formats (e.g., from PAUP*, PHYLIP, TREE-PUZZLE, ClustalX).
  • The software allows users to display trees in various styles and customize their appearance.
  • TreeView enables saving trees as graphic files for integration into publications.

Main Results:

  • TreeView successfully visualizes phylogenetic trees from multiple sources.
  • The program facilitates the generation of high-quality, printable tree figures.
  • Users can display bootstrap values for trees generated by other software.

Conclusions:

  • TreeView effectively addresses the need for improved phylogenetic tree visualization and printing.
  • The software enhances the accessibility and quality of tree figures for research dissemination.
  • TreeView serves as a valuable tool for researchers in evolutionary biology and bioinformatics.