אסיף מאגר המחקר החקלאי

Ecdysteroid production in Drosophila melanogaster reared on defined diets

Year:

1995

Source of publication :

Authors :

Volume :

25

Co-Authors:

Feldlaufer, M.F., Insect Neurobiology and Hormone Laboratory, USDA, ARS, Beltsville, MD 20705, United States
Weirich, G.F., Insect Neurobiology and Hormone Laboratory, USDA, ARS, Beltsville, MD 20705, United States
Imberski, R.B., Department of Zoology, University of Maryland, College Park, MD 20742, United States
Svoboda, J.A., Insect Neurobiology and Hormone Laboratory, USDA, ARS, Beltsville, MD 20705, United States

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Abstract:

Larvae of Drosophila melanogaster were reared aseptically on defined diets containing either cholesterol, campesterol or sitosterol as the only dietary sterol. Sterol analyses of pupae revealed that insects reared on campesterol and sitosterol diets contained 3.3 and 8.1% cholesterol, indicative of an ability to accumulate this sterol. Ecdysone and 20-hydroxyecdysone were the predominant eedysteroids in insects from all diet studies, though makisterone A was detected in pupae reared on campesterol and sitosterol. © 1995.

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