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Updated: Jul 10, 2026

Quantitative Localization of a Golgi Protein by Imaging Its Center of Fluorescence Mass
Published on: August 10, 2017
Evolution of the endoplasmic reticulum and the Golgi complex
Alexander A Mironov1, Victor V Banin, Irina S Sesorova
1Department of Cell Biology and Oncology, Mario Negri Sud Institute, Via Nazionale 8, 66030 Santa Maria Imbaro, Chieti, Italy. mironov@negrisud.it
All eukaryotic cells possess Golgi complex components or intracellular transport proteins. This study proposes an evolutionary model for the Golgi complex and endoplasmic reticulum based on molecular machinery and transport mechanisms.
Area of Science:
- Cell Biology
- Evolutionary Biology
- Molecular Biology
Background:
- The Golgi complex and endoplasmic reticulum are crucial organelles in eukaryotic cells.
- Understanding their structure, function, and evolutionary origins is fundamental to cell biology.
Purpose of the Study:
- To analyze the morpho-physiological characteristics of the Golgi complex.
- To investigate the relationship between the Golgi complex and endoplasmic reticulum across species.
- To elucidate the molecular machinery underlying intracellular transport.
Main Methods:
- Comparative analysis of Golgi complex morphology and physiology.
- Examination of Golgi-ER interactions in diverse species.
- Phylogenetic analysis of molecular machines involved in intracellular transport.
Main Results:
- All eukaryotic cells contain Golgi complexes or their remnants.
- A conserved set of intracellular transport proteins is present in all eukaryotic cells.
- Secreting eukaryotic cells consistently feature specific indispensable molecular machines.
Conclusions:
- The study provides a framework for understanding the evolution of the Golgi complex and endoplasmic reticulum.
- A model for the evolutionary trajectory of these organelles is proposed.
- Key molecular components and transport mechanisms are identified as critical for organelle evolution.
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