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Updated: Jun 1, 2026
13:08
Quantitative Localization of a Golgi Protein by Imaging Its Center of Fluorescence Mass
Published on: August 10, 2017
Evolution and diversity of the Golgi
Mary J Klute1, Paul Melançon, Joel B Dacks
1Department of Cell Biology, University of Alberta, Edmonton, Alberta T6G 2H7, Canada.
Cold Spring Harbor Perspectives in Biology
|June 8, 2011
Summary
The Golgi apparatus, a key eukaryotic organelle, had its core vesicle trafficking machinery established nearly 2 billion years ago. Its complexity evolved through gene duplication and coevolution, with some lineages losing or gaining Golgi components.
Area of Science:
- Evolutionary Cell Biology
- Genomics
- Organelle Biology
Background:
- The Golgi apparatus is a fundamental organelle in eukaryotic cells.
- Understanding its evolutionary history is crucial for deciphering early eukaryotic cell biology.
- Previous studies have explored Golgi evolution, but a broad taxonomic survey was lacking.
Purpose of the Study:
- To review the literature on Golgi evolution and diversity.
- To present a novel comparative genomic survey of Golgi machinery across diverse eukaryotes.
- To serve as a primer for evolutionary cell biology approaches.
Main Methods:
- Literature review on Golgi evolution.
- Comparative genomic analysis of Golgi-associated genes.
- Sampling across a wide taxonomic diversity of eukaryotic lineages.
Main Results:
- The core Golgi vesicle trafficking machinery was present in early eukaryotic lineages (~2 billion years ago).
- Gene duplication and coevolution of trafficking proteins likely drove Golgi complexity.
- Evidence of machinery loss and innovation in specific eukaryotic lineages was observed.
Conclusions:
- The fundamental Golgi apparatus evolved early in eukaryotic history.
- Gene duplication and coevolution are key mechanisms shaping Golgi machinery.
- Golgi diversity reflects evolutionary adaptations, including gene loss and innovation.
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