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phylogenetics

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ToolUniverse workflow — Phylogenetics

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---
name: tooluniverse-phylogenetics
description: Production-ready phylogenetics and sequence analysis skill for alignment processing, tree analysis, and evolutionary metrics. Computes treeness, RCV, treeness/RCV, parsimony informative sites, evolutionary rate, DVMC, tree length, alignment gap statistics, GC content, and bootstrap support using PhyKIT, Biopython, and DendroPy. Performs NJ/UPGMA/parsimony tree construction, Robinson-Foulds distance, Mann-Whitney U tests, and batch analysis across gene families. Integrates with ToolUniverse for sequence retrieval (NCBI, UniProt, Ensembl) and tree annotation. Use when processing FASTA/PHYLIP/Nexus/Newick files, computing phylogenetic metrics, comparing taxa groups, or answering questions about alignments, trees, parsimony, or molecular evolution.
---

# Phylogenetics and Sequence Analysis

Comprehensive phylogenetics and sequence analysis using PhyKIT, Biopython, and DendroPy. Designed for bioinformatics questions about multiple sequence alignments, phylogenetic trees, parsimony, molecular evolution, and comparative genomics.

**IMPORTANT**: This skill handles complex phylogenetic workflows. Most implementation details have been moved to `references/` for progressive disclosure. This document focuses on high-level decision-making and workflow orchestration.

---

## When to Use This Skill