Gastrulation in the sea urchin embryo requires the deposition of crosslinked collagen within the extracellular matrix.


This study demonstrates that a collagenous extracellular matrix (ECM) is necessary for gastrulation in the sea urchin embryo. The approach taken was to disrupt collagen processing with two types of agents (a lathyritic agent, beta-aminopropionitrile (BAPN), and three types of proline analogs: dehydroproline, cis-OH-proline, and azetidine carboxylic acid… (More)


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