Changes in ecdysone levels in the spiderPisaura mirabilis nymphs (Araneae,Pisauridae) |
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| Authors: | J C Bonaric M De Reggi |
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| Institution: | (1) Laboratoire de Zoologie, Université des Sciences et Techniques du Languedoc, Place Eugène Bataillon, F-34060 Montpellier, (France);(2) Centre d'Immunologie INSERM-CNRS de Marseille Luminy, 70, route Léon Lachamp, F-13288 Marseille Cédex 2, (France) |
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| Abstract: | Summary RIA of ecdysones are made on nymphal extracts ofPisaura mirabilis during the intermoulting cycle. The hormone level is low during exuviation and the greatest part of the intermoulting period but increases notably before and after ecdysis. The main hormonal peak or pre-ecdysial peak is due to  -ecdysone, characterized by combined TLC/RIA.Acknowledgment. We wish to thank Dr M. Hirn for his help during the manipulations and J. Britton who has translated the text into English. |
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