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A Practical Guide to Phylogenetics for Nonexperts
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Context-Aware Phylogenetic Trees for Phylogeny-Based Taxonomy Visualization.

Gizem Kaya1, Chisom Ezekannagha1, Dominik Heider1

  • 1Department of Mathematics and Computer Science, University of Marburg, Marburg, Germany.

Frontiers in Genetics
|June 6, 2022
PubMed
Summary
This summary is machine-generated.

Next-generation sequencing necessitates updated taxonomy. Context-Aware Phylogenetic Trees (CAPT) offers interactive visualization, linking phylogenetic trees with taxonomic data for improved species categorization and validation.

Keywords:
genomicsiciclephylogenetic treephylogenyphylogeny-based taxonomytaxonomyvisualization

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Area of Science:

  • Bioinformatics
  • Computational Biology
  • Genomics

Background:

  • Next-generation sequencing is rapidly advancing taxonomy, rendering traditional species classification methods outdated.
  • Phylogeny-based methods are refining species taxonomy, but interactive visualization tools are lacking.
  • Existing phylogenetic and taxonomic studies require enhanced consistency and exploration capabilities.

Purpose of the Study:

  • To introduce Context-Aware Phylogenetic Trees (CAPT), an interactive web tool for exploring and validating phylogeny-based taxonomy.
  • To bridge the gap between phylogenetic data and taxonomic classification through integrated visualization.
  • To improve the accuracy of categorizing new species and validating updated taxonomic frameworks.

Main Methods:

  • Developed CAPT, an interactive web tool featuring linked phylogenetic tree and taxonomic icicle visualizations.
  • The icicle view integrates seven taxonomic rankings (domain to species) using space-filling properties for intuitive representation.
  • Implemented interactive techniques like linking and brushing to highlight correspondences between phylogenetic clades and taxonomic data.

Main Results:

  • CAPT successfully enriched phylogenetic tree views with genomic data context.
  • Interactive linking and brushing effectively highlighted correspondences between the two visualization views.
  • Demonstrated utility through four use cases from the Genome Taxonomy DataBase, validating exploration and contextualization capabilities.

Conclusions:

  • CAPT enhances the exploration and validation of phylogeny-based taxonomy.
  • The tool improves the accuracy of new species categorization and the validation of updated taxonomies.
  • CAPT provides a valuable resource for evolutionary and taxonomic research, with source code available.