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Here, we investigated how neural diversity arises from neurons coming from identical progenitors. In the dorsal thorax of\n                    <jats:italic>Drosophila<\/jats:italic>\n                    , rows of mechanosensory organs originate from the division of sensory organ progenitor (SOPs). We show that in each row of the notum, an anteromedial located central SOP divides first, then neighbouring SOPs divide, and so on. This centrifugal wave of mitoses depends on cell-cell inhibitory interactions mediated by SOP cytoplasmic protrusions and Scabrous, a secreted protein interacting with the Delta\/Notch complex. Furthermore, when this mitotic wave was reduced, axonal growth was more synchronous, axonal terminals had a complex branching pattern and fly behaviour was impaired. We show that the temporal order of progenitor divisions influences the birth order of sensory neurons, axon branching and impact on grooming behaviour. These data support the idea that developmental timing controls axon wiring neural diversity.\n                  <\/jats:p>","DOI":"10.7554\/elife.75746","type":"journal-article","created":{"date-parts":[[2022,3,7]],"date-time":"2022-03-07T08:00:39Z","timestamp":1646640039000},"update-policy":"https:\/\/doi.org\/10.7554\/elife.75746","source":"Crossref","is-referenced-by-count":9,"title":["A neural progenitor mitotic wave is required for asynchronous axon outgrowth and morphology"],"prefix":"10.7554","volume":"11","author":[{"given":"J\u00e9r\u00f4me","family":"Lacoste","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/01c2cjg59","id-type":"ROR","asserted-by":"publisher"}],"name":"Sorbonne Universit\u00e9, CNRS, Laboratoire de Biologie du D\u00e9veloppement - Institut de Biologie Paris Seine (LBD-IBPS), Cell cycle and cell determination Team","place":["Paris, 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