General paper
A correlation between the sulfated glycosaminoglycan concentration and degree of salinity of the “habitat” in fifteen species of the classes Crustacea, Pelecypoda and Gastropoda☆

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Abstract

The sulfated glycosaminoglycan concentration and composition were analysed in 15 species of Crustacea, Pelecypoda and Gastropoda living in different degrees of salinity.

  • 1.

    1. All the organisms analysed contained chondroitin sulfate and heparan sulfate in different proportions plus dermatan sulfate-like and unknown glycosaminoglycans.

  • 2.

    2. A direct correlation between the logarithm of the concentration of the sulfated glycosaminoglycans and the salinity was observed for all the species analysed.

  • 3.

    3. All the sulfated glycosaminoglycans increased in concentration in function of the degree of salinity.

  • 4.

    4. The biological role of these compounds in cell recognition/adhesiveness is discussed in view of the present findings.

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☆

Aided by grants from Pró-reitoria de Pesquisas c Pósgraduação (UFRN), FINEP (Financiadora de Estudos e Projectos), CNPq (Conselho Nacional do Desenvolvimento Cientifico e Tecnológico) and CAPES (Coordenação de Aperfeiçoamento de Pessoal de Nivel Superior).

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