ArticleGlycoconjugate journal1999
Lectin histochemical localization of N- and O-linked oligosaccharides during the spermiogenesis of the urodele amphibian Pleurodeles waltl.
Article in Glycoconjugate journal, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 22 citations in OpenAlex.
- Histochemical identification of sialylated glycans in Xenopus laevis testis.Journal of anatomy · 2012Article
- Identification of fucosylated glycoconjugates in Xenopus laevis testis by lectin histochemistry.Histochemistry and cell biology · 2010Article
- Glycan composition of follicle (Sertoli) cells of the amphibian Pleurodeles waltl. A lectin histochemical study.Journal of anatomy · 2001Article
- Galactosides and sialylgalactosides in O-linked oligosaccharides of the primordial germ cells in Xenopus embryos.Glycoconjugate journal · 2001Article
- Carbohydrate moieties of the interstitial and glandular tissues of the amphibian Pleurodeles waltl testis shown by lectin histochemistry.Journal of anatomy · 2001Article
- Lectin histochemical identification of the carbohydrate moieties on N- and O-linked oligosaccharides in the duct cells of the testis of an amphibian urodele, the spanish newt (Pleurodeles waltl).The Histochemical journal · 2000Article
- Lectin cytochemical characterization of the N- and O-linked oligosaccharides in the human rectum.The Histochemical journal · 2000Article
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Authors and funding
5 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The aim of this work is the characterization of the glycoconjugates of the spermatids during the spermiogenesis of the testis of an urodele amphibian, Pleurodeles waltl, by means of lectins in combination with several chemical and enzymatic procedures, in order to establish the distribution of N- and O-linked oligosaccharides in these cells. The acrosome was the most relevant lectin-labeled structure. The O-linked oligosaccharides contained DBA- and SBA-positive GalNAc, AAA-positive Fuc and PNA-positive Gal beta1,3GalNAc. Sialic acid was scarcely observed, the Neu5Ac alpha2,3Gal beta1,4GlcNAc sequence was found in N-linked oligosaccharides. Additionally, N-linked oligosaccharides containing HPA-positive GalNAc and AAA-positive Fuc were found. Moreover, with some lectins the acrosome showed a variable composition of the oligosaccharides in the different steps of the sperm maturation. Some residues were found only in the early steps in maturating acrosome, while others were in the later steps, showing that acrosomal glycoconjugates are modified during acrosome development in spermiogenesis. The changes observed during acrosome maturation suggest the existence of a predetermined pattern of storage of the acrosome components and a progressive compression of them.
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