The Binding Protein as a Modulator of Juvenile Hormone Stability and Uptake

  • J. Nowock
  • B. Hammock
  • L. I. Gilbert


Past data on the corpora allata and juvenile hormone (see Gilbert and King, 1973) suggest a highly intermeshed regulatory system which must allow for rapid and dramatic changes in hormone titer as well as fine tuning. An important compartment in this control system is the hemolymph since it serves as the shuttle system between the corpora allata and peripheral tissues. This compartment represents the central mixing point for those factors determining the juvenile hormone (JH) titer, the latter determining the hormone concentration at the target tissues. The processes responsible for the hemolymph pool of JH are: synthesis and release of the hormone by the corpora allata (e.g. Röller and Dahm, 1970; Judy et al., 1973; Pratt and Tobe, 1974); under certain conditions there may be a reflux from tissues; metabolic inactivation; and tissue uptake with subsequent degradation and/or excretion.


Juvenile Hormone Esterase Activity Juvenile Hormone Titer Thin Layer Chromatogra Initial Uptake Rate 
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Copyright information

© Plenum Press, New York 1976

Authors and Affiliations

  • J. Nowock
    • 1
  • B. Hammock
    • 1
  • L. I. Gilbert
    • 1
  1. 1.Department of Biological SciencesNorthwestern UniversityEvanstonUSA

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