| Freeze-fracture study of the site of attachment of Cryptosporidium muris in gastric glands. | |
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MedLine Citation:
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PMID: 1387896 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The mode and organization of the attachment site of Cryptosporidium muris to gastric glands of stomach were investigated by the freeze-fracture method. Cryptosporidium muris was enveloped by a double membrane, of host plasma membrane origin, which formed the parasitophorous vacuole. The outer membrane of the double membrane was continuous with host plasma membrane, while the inner membrane was connected with the anterior part of the parasite plasma membrane at the annular ring. The density of intramembranous particles (IMP) was severely altered at the above two junctures. The parasitophorous outer membrane showed low IMP-density when compared to the host plasma membrane, although both membranes were continuous at the dense band. The inner membrane had few IMP, whereas the parasite plasma membrane showed numerous IMP, although both membranes were continuous at the annular ring. The size of dense band and annular ring was similar in diameter. The feeder organelle was clearly visible as membrane folds in freeze-fracture and some of them were connected with small vesicles of cytoplasm, indicating that the feeder organelle may play an important role for incorporation of nutrients from the host cell. |
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Authors:
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H Yoshikawa; M Iseki |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Journal of protozoology Volume: 39 ISSN: 0022-3921 ISO Abbreviation: J. Protozool. Publication Date: 1992 Sep-Oct |
Date Detail:
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Created Date: 1992-10-15 Completed Date: 1992-10-15 Revised Date: 2003-11-14 |
Medline Journal Info:
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Nlm Unique ID: 2985197R Medline TA: J Protozool Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 539-44 Citation Subset: IM |
Affiliation:
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Department of Biology, Faculty of Science, Nara Women's University, Japan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Cell Adhesion Cell Membrane / ultrastructure Cryptosporidium / physiology, ultrastructure* Freeze Fracturing Gastric Mucosa / parasitology* Male Mice Mice, Inbred ICR Specific Pathogen-Free Organisms |
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