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Two Methods for Mapping and Visualizing Associated Data on Phylogeny Using Ggtree.

Guangchuang Yu1, Tommy Tsan-Yuk Lam2, Huachen Zhu2,3,4

  • 1Institute of Bioinformatics, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China.

Molecular Biology and Evolution
|October 24, 2018
PubMed
Summary
This summary is machine-generated.

Ggtree is an R package that visualizes and annotates phylogenetic trees with associated data. It offers two methods for mapping and visualizing external data on phylogenies, aiding evolutionary biology research.

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Area of Science:

  • Phylogenetics
  • Bioinformatics
  • Evolutionary Biology

Background:

  • Phylogenetic trees are crucial for understanding evolutionary relationships.
  • Visualizing and annotating these trees with associated data is essential for biological research.
  • Existing tools may lack comprehensive features for integrated data visualization on phylogenies.

Purpose of the Study:

  • To introduce ggtree, a versatile R package for phylogenetic tree visualization and annotation.
  • To present two novel methods for mapping and visualizing external data alongside phylogenetic trees.
  • To facilitate the integration of diverse datasets with phylogenetic information for enhanced biological interpretation.

Main Methods:

  • Utilizes R programming language and the ggtree package.
  • Implements two distinct methods for data integration: mapping data onto the tree structure and plotting data adjacent to the tree.
  • Employs geometric functions and tree-based data reordering for visualization.

Main Results:

  • Ggtree provides a comprehensive framework for visualizing and annotating phylogenetic trees.
  • Method 1 enables direct mapping of external data as visual characteristics on the tree.
  • Method 2 allows side-by-side visualization of data and trees after data reordering.
  • The package effectively integrates phylogenetic data with associated external datasets.

Conclusions:

  • Ggtree offers powerful and flexible tools for exploring and comparing data within an evolutionary context.
  • The package enhances the visualization and analysis of phylogenetic and associated data.
  • Ggtree is a valuable resource for researchers in evolutionary biology and bioinformatics.