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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/178142
Coordinated crosstalk between microtubules and actin by a spectraplakin regulates lumen formation and branching
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Subcellular lumen formation by single-cells involves complex cytoskeletal remodelling. We have previously shown that centrosomes are key players in the initiation of subcellular lumen formation in Drosophila melanogaster, but not much is known on the what leads to the growth of these subcellular luminal branches or makes them progress through a particular trajectory within the cytoplasm. Here, we have identified that the spectraplakin Short-stop (Shot) promotes the crosstalk between MTs and actin, which leads to the extension and guidance of the subcellular lumen within the Terminal Cell (TC) cytoplasm. Shot is enriched in cells undergoing the initial steps of subcellular branching as a direct response to FGF signalling. An excess of Shot induces ectopic acentrosomal luminal branching points in the embryonic and larval tracheal TC leading to cells with extra subcellular lumina. These data provide the first evidence for a role for spectraplakins in single-cell lumen formation and branching.
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RICOLO, Delia, ARAÚJO, Sofia j.. Coordinated crosstalk between microtubules and actin by a spectraplakin regulates lumen formation and branching. _eLife_. 2020. Vol. 9, núm. e61111. [consulta: 9 de gener de 2026]. ISSN: 2050-084X. [Disponible a: https://hdl.handle.net/2445/178142]