Abstract
It was 35 years after Gottfried Fraenkel ligated his first blowfly larva (Fraenkel, 1935) that I got the opportunity to work in his laboratory. By this time, in 1970, the ligation experiment had become generally known as the Calliphora-test, and had served as the major bioassay for the isolation and identification of the molting hormone, ecdysone (Butenandt and Karlson, 1954; Huber and Hoppe, 1965). When I joined the laboratory, the validity of the test was being challenged by a group at Harvard (Ohtaki et al., 1968), and one of my first tasks was to reinvestigate certain of the test conditions (Fraenkel and Zdarek, 1970).
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References
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© 1981 Plenum Press, New York
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Zdarek, J. (1981). Blood Borne Factors Controlling Pupariation in Flies. In: Bhaskaran, G., Friedman, S., Rodriguez, J.G. (eds) Current Topics in Insect Endocrinology and Nutrition. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-3210-7_10
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DOI: https://doi.org/10.1007/978-1-4613-3210-7_10
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