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Related Experiment Video

Updated: Nov 5, 2025

Comprehensive Workflow for the Genome-wide Identification and Expression Meta-analysis of the ATL E3 Ubiquitin Ligase Gene Family in Grapevine

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A Comprehensive Phylogenomic Platform for Exploring the Angiosperm Tree of Life.

William J Baker¹, Paul Bailey¹, Vanessa Barber¹

¹Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, UK.

Systematic Biology

|May 13, 2021

Summary

This study introduces a new platform for exploring the angiosperm tree of life using 353 nuclear genes. The first data release provides a comprehensive nuclear phylogenomic dataset and a species tree, supporting existing taxonomy while refining evolutionary relationships.

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Area of Science:

Phylogenomics
Evolutionary Biology
Botany

Background:

The evolutionary history of flowering plants (angiosperms) remains incompletely understood, despite their ecological importance.
High-throughput sequencing technologies offer new avenues to resolve these evolutionary relationships.
Existing data gaps hinder a comprehensive understanding of the angiosperm tree of life.

Purpose of the Study:

To develop a comprehensive phylogenomic platform for the angiosperm tree of life.
To document methods, release initial data, and present an open data portal.
To generate and integrate nuclear phylogenomic data from diverse sources, including natural history collections.

Main Methods:

Utilized the Angiosperms353 sequence capture probes targeting 353 nuclear genes.
Developed a phylogenomic platform with open tools and data.
Exploited herbarium specimens and public data for sequence generation.
Validated 3099 samples using DNA barcoding and phylogenetic tests.

Main Results:

The first data release is the most extensive nuclear phylogenomic dataset for angiosperms to date.
Inferred a "first pass" angiosperm tree of life from 824,878 sequences.
The tree supports existing taxonomy and challenges/clarifies numerous hypothesized relationships.
The data and tree are openly accessible via the Kew Tree of Life Explorer.

Conclusions:

This work represents a major milestone toward a complete tree of life for flowering plants.
The platform and data facilitate an integrated future for angiosperm phylogenomics.
The approach bridges large-scale genomics initiatives with natural history collection data.