Scanning electron microscopy of the disruption of tobacco hornworm, Manduca sexta, midgut by Bacillus thuringiensis endotoxin |
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| Authors: | Viola M. Griego Lynn J. Fancher K.D. Spence |
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| Affiliation: | 1. Department of Bacteriology and Public Health, Washington State University, Pullman, Washington 99164 USA;2. Department of Biological Sciences, Washington State University, Pullman, Washington 99164 USA |
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| Abstract: | The ingestion of Bacillus thuringiensis crystal endotoxin by Manduca sexta causes the destruction of both goblet and columnar cells of the midgut. One hour after ingestion, the microvilli show pathological effects. Nearly complete destruction of the goblet and columnar cells has taken place after 4 hr exposure to the toxin. |
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| Keywords: | crystal endotoxin midgut epithelium columnar cells goblet cells |
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