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The immunophilin Zonda controls regulated exocytosis in endocrine and exocrine tissues

Permanent lenke
https://hdl.handle.net/10037/25303
DOI
https://doi.org/10.1111/tra.12777
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Åpne
article.pdf (3.680Mb)
Akseptert manusversjon (PDF)
Dato
2020-12-18
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Forfatter
de la Riva-Carrasco, Rocío; Perez-Pandolfo, Sebastián; Suárez Freire, Sofía; Romero, Nuria M.; Bhujabal, Zambarlal; Johansen, Terje; Wappner, Pablo; Melani, Mariana
Sammendrag
Exocytosis is a fundamental process in physiology, that ensures communication between cells, organs and even organisms. Hormones, neuropeptides and antibodies, among other cargoes are packed in exocytic vesicles that need to reach and fuse with the plasma membrane to release their content to the extracellular milieu. Hundreds of proteins participate in this process and several others in its regulation. We report here a novel component of the exocytic machinery, the Drosophila transmembrane immunophilin Zonda (Zda), previously found to participate in autophagy. Zda is highly expressed in secretory tissues, and regulates exocytosis in at least three of them: the ring gland, insulin-producing cells and the salivary gland. Using the salivary gland as a model system, we found that Zda is required at final steps of the exocytic process for fusion of secretory granules to the plasma membrane. In a genetic screen we identified the small GTPase RalA as a crucial regulator of secretory granule exocytosis that is required, similarly to Zda, for fusion between the secretory granule and the plasma membrane.
Beskrivelse
This is the peer reviewed version of the following article: de la Riva-Carrasco, Perez-Pandolfo, Suárez Freire, Romero, Bhujabal, Johansen, Wappner, Melani. The immunophilin Zonda controls regulated exocytosis in endocrine and exocrine tissues. Traffic : the International Journal of Intracellular Transport. 2020, which has been published in final form at https://doi.org/10.1111/tra.12777. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
Forlag
Wiley
Sitering
de la Riva-Carrasco, Perez-Pandolfo, Suárez Freire, Romero, Bhujabal, Johansen, Wappner, Melani. The immunophilin Zonda controls regulated exocytosis in endocrine and exocrine tissues. Traffic : the International Journal of Intracellular Transport. 2020
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  • Artikler, rapporter og annet (medisinsk biologi) [1103]
Copyright 2020 The Author(s)

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