Sulfated polysaccharides from the egg jelly layer are species-specific inducers of acrosomal reaction in sperms of sea urchins.

@article{Alves1997SulfatedPF,
  title={Sulfated polysaccharides from the egg jelly layer are species-specific inducers of acrosomal reaction in sperms of sea urchins.},
  author={Ana Paula Ximenes Alves and Barbara Mulloy and J. A. Diniz and Paulo A. S. Mour{\~a}o},
  journal={The Journal of biological chemistry},
  year={1997},
  volume={272 11},
  pages={6965-71}
}
We have characterized the fine structure of sulfated polysaccharides from the egg jelly layer of three species of sea urchins and tested the ability of these purified polysaccharides to induce the acrosome reaction in spermatozoa. The sea urchin Echinometra lucunter contains a homopolymer of 2-sulfated, 3-linked alpha-L-galactan. The species Arbacia lixula and Lytechinus variegatus contain linear sulfated alpha-L-fucans with regular tetrasaccharide repeating units. Each of these sulfated… CONTINUE READING

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