期刊
FRONTIERS IN CELL AND DEVELOPMENTAL BIOLOGY
卷 9, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fcell.2021.682083
关键词
microtubules; Patronin; Drosophila abdomen; cell migration; tissue morphogenesis
资金
- DFG [MA 6726/3-1]
- IZKF [Mat1/027/21]
The study shows that the minus-end binding protein Patronin is essential for organizing microtubule arrays in histoblast cells that form the Drosophila abdomen, affecting the function and motility of these cells. Patronin plays a crucial role in mediating epithelium remodeling by regulating the microtubule cytoskeleton.
In the developing Drosophila abdomen, the epithelial tissue displays extensive cytoskeletal remodeling. In stark contrast to the spatio-temporal control of the actin cytoskeleton, the regulation of microtubule architecture during epithelial morphogenesis has remained opaque. In particular, its role in cell motility remains unclear. Here, we show that minus-end binding protein Patronin is required for organizing microtubule arrays in histoblast cells that form the Drosophila abdomen. Loss of Patronin results in a dorsal cleft, indicating the compromised function of histoblasts. We further show that Patronin is polarized in these cells and is required for the formation of highly dynamic non-centrosomal microtubules in the migrating histoblasts. Thus, our study demonstrates that regulation of microtubule cytoskeleton through Patronin mediates epithelium remodeling.
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