ArticleThe European physical journal. E, Soft matter2022
Active T1 transitions in cellular networks.
Article in The European physical journal. E, Soft matter, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Article
- Mechanosensitive feedback organizes cell shape and motion during hindbrain neuropore morphogenesis.Current biology : CB · 2026Article
- Fluidization and anomalous density fluctuations in 2D Voronoi cell tissues with pulsating activity.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Remodeling of lipid-foam prototissues by network-wide tension fluctuations induced by active particles.Nature communications · 2025Article
- Article
- Article
- A geometric-tension-dynamics model of epithelial convergent extension.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Engineering tools for quantifying and manipulating forces in epithelia.Biophysics reviews · 2023Review
- Article
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Authors and funding
5 authors.
Funding
Abstract
In amorphous solids as in tissues, neighbor exchanges can relax local stresses and allow the material to flow. In this paper, we use an anisotropic vertex model to study T1 rearrangements in polygonal cellular networks. We consider two different physical realizations of the active anisotropic stresses: (i) anisotropic bond tension and (ii) anisotropic cell stress. Interestingly, the two types of active stress lead to patterns of relative orientation of T1 transitions and cell elongation that are different. Our work suggests that these two realizations of anisotropic active stresses can be observed in vivo. We describe and explain these results through the lens of a continuum description of the tissue as an anisotropic active material. We furthermore discuss the energetics of the dynamic tissue and express the energy balance in terms of internal elastic energy, mechanical work, chemical work and heat. This allows us to define active T1 transitions that can perform mechanical work while consuming chemical energy.
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