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      Chapter

      The Chemistry and Biology of Selected Insect Peptides
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      Chapter

      The Chemistry and Biology of Selected Insect Peptides

      DOI link for The Chemistry and Biology of Selected Insect Peptides

      The Chemistry and Biology of Selected Insect Peptides book

      The Chemistry and Biology of Selected Insect Peptides

      DOI link for The Chemistry and Biology of Selected Insect Peptides

      The Chemistry and Biology of Selected Insect Peptides book

      ByW. Mordue, P. J. Morgan
      BookCRC Handbook of Natural Pesticides

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      Edition 1st Edition
      First Published 1987
      Imprint CRC Press
      Pages 36
      eBook ISBN 9780429487255
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      ABSTRACT

      The majority of hormones can be thought of as metabolic in that they produce changes in the rate of metabolism of the target tissues that they affect. This chapter is concerned with peptide hormones released from the corpus cardiacum (CC) which exert specific effects upon intermediary metabolism. Hyperglycemic factors have been reported to exist in the brain-CC complex of insects from most orders. The existence of such factors which can elicit rapid elevations in blood trehalose levels was reported first by J. E. Steele in Periplaneta. Adipokinetic hormone (AKH) is able to induce hyperglycemia in insects other than locusts and it has been of interest to investigate whether the hyperglycemic factors present in Periplaneta and other insects are related structurally to AKH. The hyperglycemic action of CC factors is similar to that of glucagon activation of liver phosphorylase and this similarity has led to the suggestion that glucagon could be the insect hyperglycemic hormone.

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