Muscular hydraulics drive larva-polyp morphogenesis

Anniek Stokkermans, Aditi Chakrabarti, Kaushikaram Subramanian, Ling Wang, Sifan Yin, Prachiti Moghe, Petrus Steenbergen, Gregor Mönke, Takashi Hiiragi, Robert Prevedel, L Mahadevan, Aissam Ikmi

Onderzoeksoutput: Bijdrage aan wetenschappelijk tijdschrift/periodieke uitgaveArtikelWetenschappelijkpeer review

10 Citaten (Scopus)


Development is a highly dynamic process in which organisms often experience changes in both form and behavior, which are typically coupled to each other. However, little is known about how organismal-scale behaviors such as body contractility and motility impact morphogenesis. Here, we use the cnidarian Nematostella vectensis as a developmental model to uncover a mechanistic link between organismal size, shape, and behavior. Using quantitative live imaging in a large population of developing animals, combined with molecular and biophysical experiments, we demonstrate that the muscular-hydraulic machinery that controls body movement also drives larva-polyp morphogenesis. We show that organismal size largely depends on cavity inflation through fluid uptake, whereas body shape is constrained by the organization of the muscular system. The generation of ethograms identifies different trajectories of size and shape development in sessile and motile animals, which display distinct patterns of body contractions. With a simple theoretical model, we conceptualize how pressures generated by muscular hydraulics can act as a global mechanical regulator that coordinates tissue remodeling. Altogether, our findings illustrate how organismal contractility and motility behaviors can influence morphogenesis.

Originele taal-2Engels
Pagina's (van-tot)4707-4718.e8
TijdschriftCurrent Biology
Nummer van het tijdschrift21
StatusGepubliceerd - 07 nov. 2022


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