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Trees as Python objects
Load, create, traverse, search, prune, or modify hierarchical tree structures with ease using the ETE Python API.
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Programmatic tree visualization
Get full control of your tree images. Browse them interatively or render SVG, PNG of PDF images.
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Tree annotation
Custom node attributes can be rendered as graphical elements. Choose among external images, charts, symbols, text labels, and more!
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Jupyter notebook support
Prototype your methods using the Jupyter notebook framework including inline visualization of trees.
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Automated reconstruction of gene and species trees.
Run phylogenetic workflows with ease.
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Test evolutionary hypotheses
You can run CodeML and SLR easly using ETE, as well as visualizing results.
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Annotate trees with taxonomic data.
Use the NCBI taxonomy database to perform queries efficiently or to annotate your trees.
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Visualize trees and sequence alignments
Choose among detailed view, block-based, domain-based or condensed alignment formats.
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Compare tree topologies
You can estimate distances between gene and species trees of a different size and with duplicated events.
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Summarize phylogenetic signal
You can summarize phylogentic signal from multiple gene trees into a single species tree.