Molecular markers for marine algal polysaccharides

  • Valerie Vreeland
  • Earl Zablackis
  • Bogdan Doboszewski
  • Watson M. Laetsch
Part of the Developments in Hydrobiology book series (DIHY, volume 41)


Alginate, carrageenan and agar are marine algal polysaccharides with several common features. They all contain linear substructures which enable them to form gels. All three types of polymers vary within and between samples in subunit composition and arrangement, and in molecular weight. That the subunit organization in these complex algal polymers is neither completely regular nor completely random is becoming increasingly clear (Larsen, 1981; Greer et al., 1984). The relationship between carbohydrate primary structure, polymer conformation and biochemical properties of marine algal carbohydrates is gaining increasing attention as new experimental approaches are being developed. Recent studies have involved combinations of chemical or enzymatic fragmentation; size, ionic or electrophoretic separations; and analysis of polymer properties or interactions by nuclear magnetic resonance spectroscopy, infrared spectroscopy, optical rotatory dispersion, circular dichroism, light scattering, calorimetry and other modern techniques (e.g., Dea et al., 1972; Larsen, 1981; Smidsrod & Grasdalen, 1984; Lahaye et al., 1985).

Key words

seaweed agar alginate carrageenan carbohydrate hybridization probe fucoidan monoclonal antibodies 


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Copyright information

© Dr W. Junk Publishers, Dordrecht 1987

Authors and Affiliations

  • Valerie Vreeland
    • 1
  • Earl Zablackis
    • 1
  • Bogdan Doboszewski
    • 1
  • Watson M. Laetsch
    • 1
  1. 1.Department of botanyUniversity of CaliforniaBerkeleyUSA

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