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2025-06-10 17:36:30

This https://arxiv.org/abs/2407.12124 has been replaced.
initial toot: https://mastoxiv.page/@arXi…

Emergence of cellular nematic order is a conserved feature of gastrulation in animal embryos
Cells undergo dramatic morphological changes during embryogenesis, yet how these changes affect the formation of ordered tissues remains elusive. Here, we show that a phase transition leading to the formation of a nematic liquid crystal state during gastrulation in the development of embryos of fish, frogs, and fruit flies occurs by a common mechanism despite substantial differences between these evolutionarily distant animals. Importantly, nematic order forms early before any discernible chang…