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Freeze-fracture cytochemistry: localization of wheat-germ agglutinin and concanavalin A binding sites on freeze-fractured pancreatic cells
The combined application of thin-section and critical-point-drying "fracture-label" is used to determine the pattern of distribution and partition of wheat-germ agglutinin and concanavalin A binding sites on the membrane faces of freeze-fractured exocrine and endocrine rat pancreatic cells...
Formato: | Texto |
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Lenguaje: | English |
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The Rockefeller University Press
1981
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2111992/ https://www.ncbi.nlm.nih.gov/pubmed/7031067 |
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collection | PubMed |
description | The combined application of thin-section and critical-point-drying "fracture-label" is used to determine the pattern of distribution and partition of wheat-germ agglutinin and concanavalin A binding sites on the membrane faces of freeze-fractured exocrine and endocrine rat pancreatic cells. Whereas the exoplasmic face of plasma membrane is preferentially labeled by both lectins, the endoplasmic reticulum and nuclear envelope are strongly and uniformly labeled by concanavalin A but not by wheat-germ agglutinin. The results support current views in the glycosylation of membrane proteins and do not support the backflow of sialidated glycoproteins to the endoplasmic reticulum. |
format | Text |
id | pubmed-2111992 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 1981 |
publisher | The Rockefeller University Press |
record_format | MEDLINE/PubMed |
spelling | pubmed-21119922008-05-01 Freeze-fracture cytochemistry: localization of wheat-germ agglutinin and concanavalin A binding sites on freeze-fractured pancreatic cells J Cell Biol Articles The combined application of thin-section and critical-point-drying "fracture-label" is used to determine the pattern of distribution and partition of wheat-germ agglutinin and concanavalin A binding sites on the membrane faces of freeze-fractured exocrine and endocrine rat pancreatic cells. Whereas the exoplasmic face of plasma membrane is preferentially labeled by both lectins, the endoplasmic reticulum and nuclear envelope are strongly and uniformly labeled by concanavalin A but not by wheat-germ agglutinin. The results support current views in the glycosylation of membrane proteins and do not support the backflow of sialidated glycoproteins to the endoplasmic reticulum. The Rockefeller University Press 1981-11-01 /pmc/articles/PMC2111992/ /pubmed/7031067 Text en This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/). |
spellingShingle | Articles Freeze-fracture cytochemistry: localization of wheat-germ agglutinin and concanavalin A binding sites on freeze-fractured pancreatic cells |
title | Freeze-fracture cytochemistry: localization of wheat-germ agglutinin
and concanavalin A binding sites on freeze-fractured pancreatic cells |
title_full | Freeze-fracture cytochemistry: localization of wheat-germ agglutinin
and concanavalin A binding sites on freeze-fractured pancreatic cells |
title_fullStr | Freeze-fracture cytochemistry: localization of wheat-germ agglutinin
and concanavalin A binding sites on freeze-fractured pancreatic cells |
title_full_unstemmed | Freeze-fracture cytochemistry: localization of wheat-germ agglutinin
and concanavalin A binding sites on freeze-fractured pancreatic cells |
title_short | Freeze-fracture cytochemistry: localization of wheat-germ agglutinin
and concanavalin A binding sites on freeze-fractured pancreatic cells |
title_sort | freeze-fracture cytochemistry: localization of wheat-germ agglutinin
and concanavalin a binding sites on freeze-fractured pancreatic cells |
topic | Articles |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2111992/ https://www.ncbi.nlm.nih.gov/pubmed/7031067 |