Academic Journal
Fission yeast Bgs1 glucan synthase participates in the control of growth polarity and membrane traffic
| العنوان: | Fission yeast Bgs1 glucan synthase participates in the control of growth polarity and membrane traffic |
|---|---|
| المؤلفون: | Mariona Ramos, Rebeca Martín-García, M. Ángeles Curto, Laura Gómez-Delgado, M. Belén Moreno, Mamiko Sato, Elvira Portales, Masako Osumi, Sergio A. Rincón, Pilar Pérez, Juan C. Ribas, Juan C.G. Cortés |
| المصدر: | iScience, Vol 27, Iss 8, Pp 110477- (2024) |
| بيانات النشر: | Elsevier, 2024. |
| سنة النشر: | 2024 |
| المجموعة: | LCC:Science |
| مصطلحات موضوعية: | Functional aspects of cell biology, Mycology, Organizational aspects of cell biology, Science |
| الوصف: | Summary: Rod-shaped fission yeast grows through cell wall expansion at poles and septum, synthesized by essential glucan synthases. Bgs1 synthesizes the linear β(1,3)glucan of primary septum at cytokinesis. Linear β(1,3)glucan is also present in the wall poles, suggesting additional Bgs1 roles in growth polarity. Our study reveals an essential collaboration between Bgs1 and Tea1-Tea4, but not other polarity factors, in controlling growth polarity. Simultaneous absence of Bgs1 function and Tea1-Tea4 causes complete loss of growth polarity, spread of other glucan synthases, and spherical cell formation, indicating this defect is specifically due to linear β(1,3)glucan absence. Furthermore, linear β(1,3)glucan absence induces actin patches delocalization and sterols spread, which are ultimately responsible for the growth polarity loss without Tea1-Tea4. This suggests strong similarities in Bgs1 functions controlling actin structures during cytokinesis and polarized growth. Collectively, our findings unveil that cell wall β(1,3)glucan regulates polarized growth, like the equivalent extracellular matrix in neuronal cells. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 2589-0042 |
| Relation: | http://www.sciencedirect.com/science/article/pii/S2589004224017024; https://doaj.org/toc/2589-0042 |
| DOI: | 10.1016/j.isci.2024.110477 |
| URL الوصول: | https://doaj.org/article/7490424213db4aada6d2572631298797 |
| رقم الانضمام: | edsdoj.7490424213db4aada6d2572631298797 |
| قاعدة البيانات: | Directory of Open Access Journals |
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