The distribution of Concanavalin A binding sites on the intestinal epithelium of the nematodes Ascans suum and Parascaris equorum |
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Authors: | Dr. John J. Trimble III Sue Ann Thompson |
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Affiliation: | (1) Department of Pathology, Creighton Medical School, 68178 Omaha, Nebraska, USA;(2) Department of Anatomy, University of Iowa Medical School, 52242 Iowa City, Iowa, USA |
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Abstract: | Summary Receptors for Concanavalin A (Con A), were localized on the intestinal epithelium of the nematodes Ascaris suum and Parascaris equorum. Fixed tissue incubated in 3H-Con A showed labeling of the microvilli surface and basal membrane. Using Con A coupled with peroxidase, the tips of the microvilli of Ascaris suum and the tips and lateral surfaces of Parascaris equorum were stained. The basal membrane of both species was also labeled. No labeling was observed on control tissue incubated without Con A or on tissue incubated with Con A to which -methyl-D-mannoside was added. |
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Keywords: | Intestinal epithelium Nematodes Ascaris suum Parascaris equorum Concanavalin A |
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