Summary
The absorption of ouabain and digitoxin into the gut of the milkweed bug was studied by a tissue-accumulation technique. Uptake of both compounds obeyed diffusion kinetics, was Na+ sensitive, and for digitoxin, was concentrative.
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M. Rothschild, in R. E. S. Symposium 6; Insect/Plant Relationships (Ed.H. F. Van Emden; John Wiley and Sons, New York 1973), p. 59.
L. P. Brower, Scient. Am.220, 22 (1969).
J. C. Skou, Physiol. Rev.45, 596 (1965).
S. S. Duffy andG. G. E. Scudder, Can. J. Zool.52, 283 (1974).
K. D. Roeder, J. cell. comp. Physiol.31, 327 (1948).
M. S. Patterson andR. C. Greene, Analyt. Chem.37, 854 (1965).
S. S. Duffey andG. G. E. Scudder, J. Insect Physiol.18, 63 (1972).
T. Z. Czaky andY. Hara, Am. J. Physiol.209, 467 (1965).
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The authors express their appreciation to Dr.James A. Slater and Ms.Flavia O'Rourke, Biological Sciences Group, University of Connecticut, Storrs, Conn. (USA) for supplying milkweed bugs. This work was supported by the University of Maine Honors Program and the University of Maine Agricultural Experiment Station.
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Yoder, C.A., Leonard, D.E. & Lerner, J. Intestinal uptake of ouabain and digitoxin in the milkweed bug,Oncopeltus fasciatus. Experientia 32, 1549–1550 (1976). https://doi.org/10.1007/BF01924445
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DOI: https://doi.org/10.1007/BF01924445