FIGURE 25.1. (Left) The purple sea urchin Strongylocentrotus purpuratus.


(Left) The purple sea urchin Strongylocentrotus purpuratus. (Reprinted, with permission, courtesy of Charles Hollahan, Santa Barbara Marine Biologicals.) (Right) Sperm binding to a sea urchin egg. (Reprinted, with permission, courtesy of M. Tegner and D. Epel.) Sea urchins have been used extensively in studies of fertilization. Many of the key discoveries regarding glycans and their role in determining species-specific sperm–egg binding and blocks to polyspermy were made in sea urchins.

Download Teaching Slide (PPT, 1.8M)

From: Chapter 25, Deuterostomes

Cover of Essentials of Glycobiology
Essentials of Glycobiology. 2nd edition.
Varki A, Cummings RD, Esko JD, et al., editors.
Cold Spring Harbor (NY): Cold Spring Harbor Laboratory Press; 2009.
Copyright © 2009, The Consortium of Glycobiology Editors, La Jolla, California.

NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.