Inhibition of active K+ transport in the tobacco hornworm (Manduca sexta) midgut after ingestion of Bacillus thuringiensis endotoxin |
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| Authors: | V.M. Griego D. Moffett K.D. Spence |
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| Affiliation: | 1. Department of Bacteriology and Public Health, Washington State University, Pullman, Washington 99164, U.S.A.;2. Department of Zoology, Washington State University, Pullman, Washington 99164, U.S.A. |
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| Abstract: | The effect of Bacillus thuringiensis endotoxin after ingestion on the K+ transport of Manduca sexta midgut is described. Direct measurements of short circuit current and transepithelial potential demonstrate that the transport is inhibited at the end of 1 hr with many of the insects exhibiting both negative short circuit current and transepithelial potential by the end of a 4-hr ingestion period. |
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| Keywords: | To whom reprint requests and correspondence should be addressed. |
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