Neuroblast ingression in Drosophila embryos proceeds at normal speed even when the germband tissue is made solid-like, because cell-intrinsic myosin anisotropy and endocytosis-contractility coupling, not tissue fluidity, control ingression kinetics.
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Cell intrinsic dynamics guide neuroblast ingression independent of tissue fluidity
Neuroblast ingression in Drosophila embryos proceeds at normal speed even when the germband tissue is made solid-like, because cell-intrinsic myosin anisotropy and endocytosis-contractility coupling, not tissue fluidity, control ingression kinetics.