Movie 1.

Example of elongating chimeric gastruloid in 0.8mM dextran gel. Chimeras are constituted of 129/svev cells and a small fraction of cells expressing a nuclear marker H2B-iRFP. Video shows bright field intensity with superimposed fluorescence.

Fine-tuning mechanical constraints reveals uncoupled patterning and gene expression programs in murine gastruloids

Judith Pineau, Jerome Wong-Ng, Alexandre Mayran, Lucille Lopez-Delisle, Pierre Osteil, Armin Shoushtarizadeh, Denis Duboule, Samy Gobaa, and Thomas Gregor

Development 2025. 152:None-None; doi: 10.1242/dev.204711