ArticleThe Biochemical journal2002
Species specificity of O-linked carbohydrate chains of the oviducal mucins in amphibians: structural analysis of neutral oligosaccharide alditols released by reductive beta-elimination from the egg-jelly coats of Rana clamitans.
Article in The Biochemical journal, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 26 citations in OpenAlex.
- Interspecific and intraspecific Taylor's laws for frog skin microbes.Computational and structural biotechnology journal · 2023Article
- Article
- Skin microbiota differs drastically between co-occurring frogs and newts.Royal Society open science · 2017Article
- Interacting symbionts and immunity in the amphibian skin mucosome predict disease risk and probiotic effectiveness.PloS one · 2014Article
- Phylogenetic expression of Galalpha1-4Gal on avian glycoproteins: glycan differentiation inscribed in the early history of modern birds.Proceedings of the National Academy of Sciences of the United States of America · 2004Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The extracellular matrix (the so-called jelly coat) surrounding amphibian eggs mainly comprises highly O-glycosylated proteins. These oviducal mucins have an important role in the fertilization process, and their carbohydrate chains are remarkably species-specific. Alkaline reductive treatment of the jelly-coat material of the frog Rana clamitans led to the release of oligosaccharide alditols. The neutral oligosaccharide alditols were fractionated and purified by successive chromatographic techniques. The structures of 27 of them, ranging from three to sixteen monosaccharides, were established by a combination of NMR spectroscopy, methylation analyses and matrix-assisted laser-desorption ionization-time of flight MS. Typically, some of the neutral compounds appeared to possess the core structure: Gal(beta1-3)[GlcNAc(beta1-6)]Gal(beta1-3)[GlcNAc(beta1-6)]GalNAc-ol (where GalNAc-ol represents N-acetylgalactosaminitol). Moreover, a novel type of chain termination, characterized by an unusual sequence [Fuc(alpha1-2)Gal(alpha1-3)Gal(alpha1-4)Gal(beta1-3/4)] was observed. Indeed, the most complex representative structure of this series was found to be: Fuc(alpha1-2)Gal(alpha1-3)Gal(alpha1-4)Gal(beta1-3)[Fuc(alpha1-2)Gal(alpha1-3)Gal(alpha1-4)Gal(beta1-4)GlcNAc(beta1-6)]Gal(beta1-3)[Fuc(alpha1-2)Gal(alpha1-3)Gal(alpha1-4)Gal(beta1-4)GlcNAc(beta1-6)]GalNAc-ol.
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