Interactive Tree Of Life (iTOL): an online tool for phylogenetic tree display and annotation

Area of Science:

• Bioinformatics
• Computational Biology
• Evolutionary Biology

Background:

• Phylogenetic trees are crucial for understanding evolutionary relationships.
• Visualizing and annotating these trees can be complex.
• Existing tools may lack comprehensive features for tree manipulation and data integration.

Purpose of the Study:

• To introduce the Interactive Tree Of Life (iTOL) as a versatile web-based platform.
• To provide researchers with a tool for enhanced phylogenetic tree visualization and annotation.
• To facilitate the integration of diverse biological data with phylogenetic structures.

Main Methods:

• Development of a web-based application for phylogenetic tree handling.
• Implementation of interactive features for tree manipulation (pruning, re-rooting).
• Support for mapping various data types onto tree structures.
• Integration of multiple export formats for diverse applications.

Main Results:

• iTOL offers an intuitive interface for displaying complex phylogenetic trees.
• Users can interactively modify trees and annotate them with associated data.
• The tool supports the visualization of diverse datasets, including genome sizes and protein domains.
• Multiple high-quality bitmap and vector graphics export options are available.

Conclusions:

• The Interactive Tree Of Life (iTOL) is a powerful and flexible tool for phylogenetic analysis.
• It enhances the visualization, manipulation, and annotation of evolutionary data.
• iTOL supports researchers in interpreting and communicating complex evolutionary relationships and associated biological data.