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Ribonucleoprotein Particle in Epidermis Cells as the Receptor for Juvenile Hormone

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Abstract

JUVENILE hormone maintains the larval character of insects1. In the imago it controls maturation of oocytes and yolk deposition2, and low doses of the hormone and its analogues cause persistence of the cutis of the pupae at the site of application3. Otherwise the insect develops to a normal imago. At higher doses there is an increase of hormone action which produces intermediates between pupa and imago4 and in this case too the main accent is on the cutis. We have tried to establish whether the epidermis cells which form the cutis are biochemical target organs for the hormone and its analogues. By definition a target organ accumulates the hormone against a concentration gradient and degrades it more slowly than non-target organs. We also searched for the molecular basis of this function.

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Authors and Affiliations

  1. Biochemie und Biophysik, Zentralinstitut 5, Universität Berlin,

    P. SCHMIALEK

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  1. P. SCHMIALEK
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SCHMIALEK, P. Ribonucleoprotein Particle in Epidermis Cells as the Receptor for Juvenile Hormone. Nature 245, 267–268 (1973). https://doi.org/10.1038/245267a0

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  • DOI: https://doi.org/10.1038/245267a0

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