The isolation and identification of juvenile hormone from cockroach corpora allata in vitro |
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Authors: | P J Müller P Masner K H Trautmann M Suchy |
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Affiliation: | Dr. R. Maag AG, 8157 Dielsdorf, Switzerland;Socar AG, 8600 Dübendorf, Switzerland |
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Abstract: | Methyl (2E, 6E) - 10, 11 - epoxy - 3, 7, 11 - trimethyl - 2, 6 - dodecadienoate (JH III) is synthesized by corpora cardiaca/allata of the American cockroach and released into the culture medium. It constitutes the principal part of the biologically detectable JH activity. A fully synthetic medium without terpenoid precursors or serum was used, which proves, that the entire molecule is synthesized . The presence of JH III in orders as different as Blattodea, Orthoptera, Coleoptera and Lepidoptera indicates, that it is the most widely occuring JH of insects. |
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