Nature CommunicationsSpatial patterning of contractility by a self-organized mechanogen activity gradient underlies Drosophila gastrulationGayatri MundheValentin Dunsing-EichenauerJean-Marc PhilippeÉlise Da SilvaClaudio CollinetThomas Lecuit2026-01-23Full textDOI https://doi.org/10.1038/s41467-026-68418-z