Apical contacts stemming from incomplete delamination guide progenitor cell allocation through a dragging mechanism

Pulgar E, Schwayer C, Guerrero N, López L, Márquez S, Härtel S, Soto R, Heisenberg CP, Concha ML. 2021. Apical contacts stemming from incomplete delamination guide progenitor cell allocation through a dragging mechanism. eLife. 10, e66483.

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Author
Pulgar, Eduardo; Schwayer, CorneliaIST Austria; Guerrero, Néstor; López, Loreto; Márquez, Susana; Härtel, Steffen; Soto, Rodrigo; Heisenberg, Carl Philipp; Concha, Miguel L.
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Abstract
The developmental strategies used by progenitor cells to endure a safe journey from their induction place towards the site of terminal differentiation are still poorly understood. Here we uncovered a progenitor cell allocation mechanism that stems from an incomplete process of epithelial delamination that allows progenitors to coordinate their movement with adjacent extra-embryonic tissues. Progenitors of the zebrafish laterality organ originate from the surface epithelial enveloping layer by an apical constriction process of cell delamination. During this process, progenitors retain long-term apical contacts that enable the epithelial layer to pull a subset of progenitors along their way towards the vegetal pole. The remaining delaminated progenitors follow apically-attached progenitors’ movement by a co-attraction mechanism, avoiding sequestration by the adjacent endoderm, ensuring their fate and collective allocation at the differentiation site. Thus, we reveal that incomplete delamination serves as a cellular platform for coordinated tissue movements during development. Impact Statement: Incomplete delamination serves as a cellular platform for coordinated tissue movements during development, guiding newly formed progenitor cell groups to the differentiation site.
Publishing Year
Date Published
2021-08-27
Journal Title
eLife
Volume
10
Article Number
e66483
eISSN
IST-REx-ID

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Pulgar E, Schwayer C, Guerrero N, et al. Apical contacts stemming from incomplete delamination guide progenitor cell allocation through a dragging mechanism. eLife. 2021;10. doi:10.7554/eLife.66483
Pulgar, E., Schwayer, C., Guerrero, N., López, L., Márquez, S., Härtel, S., … Concha, M. L. (2021). Apical contacts stemming from incomplete delamination guide progenitor cell allocation through a dragging mechanism. ELife. eLife Sciences Publications. https://doi.org/10.7554/eLife.66483
Pulgar, Eduardo, Cornelia Schwayer, Néstor Guerrero, Loreto López, Susana Márquez, Steffen Härtel, Rodrigo Soto, Carl Philipp Heisenberg, and Miguel L. Concha. “Apical Contacts Stemming from Incomplete Delamination Guide Progenitor Cell Allocation through a Dragging Mechanism.” ELife. eLife Sciences Publications, 2021. https://doi.org/10.7554/eLife.66483.
E. Pulgar et al., “Apical contacts stemming from incomplete delamination guide progenitor cell allocation through a dragging mechanism,” eLife, vol. 10. eLife Sciences Publications, 2021.
Pulgar E, Schwayer C, Guerrero N, López L, Márquez S, Härtel S, Soto R, Heisenberg CP, Concha ML. 2021. Apical contacts stemming from incomplete delamination guide progenitor cell allocation through a dragging mechanism. eLife. 10, e66483.
Pulgar, Eduardo, et al. “Apical Contacts Stemming from Incomplete Delamination Guide Progenitor Cell Allocation through a Dragging Mechanism.” ELife, vol. 10, e66483, eLife Sciences Publications, 2021, doi:10.7554/eLife.66483.
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