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  A minimal self-organisation model of the Golgi apparatus.

Vagne, Q., Vrel, J.-P., & Sens, P. (2020). A minimal self-organisation model of the Golgi apparatus. eLife, 9: e47318. doi:10.7554/eLife.47318.

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 Creators:
Vagne, Quentin1, Author           
Vrel, Jean-Patrick, Author
Sens, Pierre, Author
Affiliations:
1Max Planck Institute for Molecular Cell Biology and Genetics, Max Planck Society, ou_2340692              

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 Abstract: The design principles dictating the spatio-temporal organisation of eukaryotic cells, and in particular the mechanisms controlling the self-organisation and dynamics of membrane-bound organelles such as the Golgi apparatus, remain elusive. Although this organelle was discovered 120 years ago, such basic questions as whether vesicular transport through the Golgi occurs in an anterograde (from entry to exit) or retrograde fashion are still strongly debated. Here, we address these issues by studying a quantitative model of organelle dynamics that includes: de-novo compartment generation, inter-compartment vesicular exchange, and biochemical conversion of membrane components. We show that anterograde or retrograde vesicular transports are asymptotic behaviors of a much richer dynamical system. Indeed, the structure and composition of cellular compartments and the directionality of vesicular exchange are intimately linked. They are emergent properties that can be tuned by varying the relative rates of vesicle budding, fusion and biochemical conversion.

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 Dates: 2020-08-05
 Publication Status: Issued
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 Identifiers: DOI: 10.7554/eLife.47318
Other: cbg-7775
PMID: 32755543
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Title: eLife
  Other : Elife
Source Genre: Journal
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Pages: - Volume / Issue: 9 Sequence Number: e47318 Start / End Page: - Identifier: -