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Updated: Jul 25, 2025
08:57
Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin
Published on: August 14, 2018
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Incongruence in the phylogenomics era
Jacob L Steenwyk1,2,3, Yuanning Li4, Xiaofan Zhou5
1Howards Hughes Medical Institute and the Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA, USA.
Nature Reviews. Genetics
|June 27, 2023
Summary
Phylogenetic incongruence, or conflicting evolutionary histories, is common in genomic data. This review explores biological and analytical causes and methods to address these challenges in reconstructing the tree of life.
Area of Science:
- Evolutionary Biology
- Phylogenetics
- Genomics
Background:
- Genome-scale data and advanced phylogenetic methods have improved understanding of the tree of life.
- However, evolutionary history conflicts (incongruence) persist in phylogenomic data, hindering accurate reconstruction.
- Incongruence complicates the interpretation of evolutionary relationships.
Purpose of the Study:
- To review the biological and analytical factors causing incongruence in phylogenomic data.
- To discuss current methodologies for identifying and managing phylogenetic incongruence.
- To highlight future research directions for resolving evolutionary conflicts.
Main Methods:
- Review of existing literature on phylogenetic incongruence.
- Categorization of incongruence causes into biological and analytical factors.
- Discussion of statistical and computational approaches for handling conflicting gene trees.
Main Results:
- Biological factors like incomplete lineage sorting, horizontal gene transfer, and hybridization contribute to incongruence.
- Analytical factors, including stochastic and systematic errors, also drive conflicting evolutionary signals.
- Various methods exist to detect and address incongruence, but challenges remain.
Conclusions:
- Phylogenetic incongruence is a significant challenge in reconstructing the tree of life.
- Understanding the diverse causes is crucial for developing robust analytical solutions.
- Further research is needed to refine methods for accurate evolutionary inference.
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