Video 3. A time lapse view of the presumptive epidermal cellular migration in a yap1;wwtr1 double mutants shows that the cells are still migratory but are not accumulating at the ventral midline.

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DOI: 10.7554/eLife.31065.020

Cells move into plane at the midline, but continue to migrate into other z planes instead of building up to contribute to the nascent ventral MFF. Images taken every 5 min for 5 hr starting at the 20-somite stage.