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1979•The Journal of Infectious DiseasesRequires access

Unmasking of Actual and Potential Receptor Sites for Cholera Toxin in Intestinal Mucosal Homogenates

N. Gascoyne, W. E. van Heyningen

Open publisher page 4 citations

Abstract

Endongenous and exogenous sialidases appear to unmask sialidase-stable and sialidase-labile gangliosides in intestinal mucosal homogenates by attacking glycoproteins. Exogenous (but not endogenous) sialidase then converts sialidase-labile gangliosides into the cholera toxin-binding, sialidase-stable ganglioside GM1 (galactosyl-N-acetylgalactosaminyl [sialosyl] lactosyl ceramide). Since Vibrio cholerae produces sialidase, these observations may be relevant to the course of cholera.

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What this paper is about

Endongenous and exogenous sialidases appear to unmask sialidase-stable and sialidase-labile gangliosides in intestinal mucosal homogenates by attacking glycoproteins. Exogenous (but not endogenous) sialidase then converts sialidase-labile gangliosides into the cholera toxin-binding, sialidase-stable ganglioside GM1 (galactosyl-N-acetylgalactosaminyl [sialosyl] lactosyl ceramide). Since Vibrio cholerae produces sialidase, these observations may be relevant to the course of cholera.

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OpenAlex reports 4 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Endongenous and exogenous sialidases appear to unmask sialidase-stable and sialidase-labile gangliosides in intestinal mucosal homogenates by attacking glycoproteins. Exogenous (but not endogenous) sialidase then converts sialidase-labile gangliosides into the cholera toxin-binding, sialidase-stable ganglioside GM1 (galactosyl-N-acetylgalactosaminyl [sialosyl] lactosyl ceramide). Since Vibrio cholerae produces sialidase, these observations may be relevant to the course of cholera.

Key concepts: Sialidase, Cholera toxin, Vibrio cholerae, Ganglioside, Microbiology, Glycoprotein, Toxin, Sialic acid

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