The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.
Ultrastructural localization of lectin-binding sites on the zonae pellucidae and plasma membranes of mammalian eggs.
Open accessAbstract
Receptors for Ricinus communis agglutinin I (RCAI), concanavalin A (Con A), and wheat germ agglutinin (WGA) were localized on the zonae pellucidae and plasma membranes of hamster, mouse, and rat eggs with ferritin-lectin conjugates. Intact eggs labeled with the ferritin conjugates showed dense concentrations of RCAI and WGA receptors in the outermost regions of their zonae pellucidae and sparse distributions of Con A receptors throughout the zonae. Ferritin-lectin labeling was specific, since inhibitory saccharides effectively blocked labeling. The asymmetric density of RCAI receptors across the zona was confirmed by ferritin-RCAI and fluorescein-RCAI labeling of mechanically isolated zonae pellucidae, indicating that the RCAI-binding sites are more densely distributed in the exterior zona regions. Plasma membranes of rodent eggs contained RCAI, WGA, and Con A receptors. These receptors were found to be more or less randomly distributed on surfaces of aldehyde-fixed eggs or on eggs labeled near 0 degrees C. However, eggs incubated at 25 degrees C showed aggregated WGA- and Con A-binding site distributions on their plasma membranes. This indicates that lectin-induced receptor redistribution occurs at this temperature. The possibility that plasma membrane receptor mobility is a requirement for sperm-egg fusion is discussed.
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Citations
Cites
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Cited by
Mechanisms of Fertilization in Mammals
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BIOPSY OF HUMAN PREIMPLANTATION EMBRYOS AND SEXING BY DNA AMPLIFICATION
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Methylation levels of maternal and paternal genomes during preimplantation development
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Metadata
- Authors
- Nicolson, G. L., Yanagimachi, R., & Yanagimachi, H.
- Venue
- The Journal of cell biology
- Publisher
- Rockefeller University Press
- Published
- 1975-08-01
- Volume
- 66
- Issue
- 2
- Pages
- 263-274
- ISSN
- 0021-9525 (ISSN-L)
- 1540-8140
- OpenAlex
- W2018122591
- Cited by
- 484
- References
- 13
- FWCI
- 21.33
- Type
- journal article
- Language
- en
- Open access
- green
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- Nicolson, G. L., Yanagimachi, R., & Yanagimachi, H. (1975). Ultrastructural localization of lectin-binding sites on the zonae pellucidae and plasma membranes of mammalian eggs. The Journal of cell biology. https://doi.org/10.1083/jcb.66.2.263
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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