Some aspects of regulation of fat body lipolytic activity in Galleria mellonella |
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| Authors: | Andrzej B. Dutkowski M.G. Sarzała-Drabikowska |
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| Affiliation: | 1. Department of Cell Biology, M. Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteura 3, Warsaw, Poland;2. Department of Biochemistry of Nervous System and Muscle, M. Nencki Institute of Experimental Biology, Polish Academy of Sciences, Pasteura 3, Warsaw, Poland |
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| Abstract: | The degradation of 14C-trioleate by the homogenate of fat body of normally developing specimens of both sexes of Galleria mellonella at different days after the larval-pupal ecdysis, and of specimens subjected to different experiments was studied. It has been confirmed that the lipolytic activity of female fat body being low after the larval-pupal ecdysis, rises distinctly by about 6 days later. In contrast to this, the lipolytic activity of this tissue in males is high and does not appear to undergo changes.Ovariotectomy causes a significant fall of lipolytic activity.Preincubation of fat body of ovariotectomized females in the medium containing ovaries of pharate adults 6 days after the larval-pupal ecdysis brings about a rise of lipolytic activity of this tissue. |
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