Author

Bob Goldstein
http://labs.bio.unc.edu/Goldstein/

Published on SDB CoRe: May 31 2012

Organisms: Model Organisms; Invertebrates
Tools & Techniques: Microscopy
Early Embryogenesis: Cleavage
Morphogenic Movements: Gastrulation
Morphogenesis: Cell Movements; Cell Shape Changes
Organism: C. elegans
Stage of Development: Embryo

Object Description

A living Caenorhabditis elegans (a model roundworm) embryo shown at various stages over 15 hours of development. The embryo starts at the 1-cell stage in the upper left, then 2-cell (center top), 4-cell (right top), 12-cell (2nd row, left), 26-cell early gastrulation (2nd row, center). A 558-cell worm is about to hatch out in the lower right. This is a single plane, by DIC microscopy. Nuclei appear as clear circles in the more granular cytoplasm.

References

Gönczy, P., Rose, L.S. Asymmetric cell division and axis formation in the embryo. October 15, 2005, WormBook, ed. The C. elegans Research Community, WormBook, doi/10.1895/wormbook.1.30.1, http://www.wormbook.org.

Nance, J., Lee, J.Y., Goldstein, B. Gastrulation in C. elegans. September 26, 2005, WormBook, ed. The C. elegans Research Community, WormBook, doi/10.1895/wormbook.1.23.1, http://www.wormbook.org.

Schierenberg, E. Embryological variation during nematode development. January 02, 2006, WormBook, ed. The C. elegans Research Community, WormBook, doi/10.1895/wormbook.1.55.1, http://www.wormbook.org.

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