Changes in patterns of ecdysteroid secretion by the ring gland ofDrosophila in relation to the sterol composition of the diet |
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| Authors: | Ch P F Redfern |
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| Institution: | (1) Department of Biochemistry, University of Liverpool, NE1 4LP Newcastle upon Tyne, UK;(2) Present address: Department of Dermatology, University of Newcastle, NE1 4LP Newcastle upon Tyne, UK |
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| Abstract: | Summary Brain-ring glands fromDrosophila larvae reared on a defined diet containing campesterol (24-methyl-cholesterol) as the major sterol, secreted-in addition to ecdysone-a compound identified previously as a 24-methyl analogue, 20-deoxy-makisterone A. Using ergosterol or cholesterol as the sterol component of the diet, only ecdysone was detectable in cultures of brain-ring glands. |
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| Keywords: | Ecdysteroid sterols Drosophila melanogaster ring gland |
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