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    Article

    Changes in lipid and carbohydrate metabolism during starvation in adult Manduca sexta

    Adult Manduca sexta feed very irregularly in the laboratory, and many adult males never feed. Feeding adults live longer and feeding females lay many more eggs; however, in both feeding (sugar water) and starving...

    Rolf Ziegler in Journal of Comparative Physiology B (1991)

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    Metabolic Energy Expenditure and Its Hormoral Regulation

    All living beings need energy to maintain a low level of entropy, that means to stay alive, grow, and behave as living organisms. Therefore, they continually have to expend energy gained from the environment. ...

    Rolf Ziegler in Environmental Physiology and Biochemistry of Insects (1985)

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    Article

    Regulation of glycogen phosphorylase in fat body ofCecropia silkmoth pupae

    Glycogen phosphorylase of pupal fat body of the silkmoth,Hyalophora cecropia, and its activation by different stimuli have been studied. Spectrophotometric assay in the direction of glycogenolysis, used in most o...

    Rolf Ziegler, Masaaki Ashida, Ann M. Fallon in Journal of comparative physiology (1979)