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Relative oxygenase activities in Juvenile hormone biosynthesis of corpora allata of an african locust (Schistocerca gregaria) and American cockroach (Periplaneta americana)

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Nous avons comparé in vitro dans les corpora allata de femelles adultes de sauterelles (Schistocerca gregaria) et de cafards (Periplaneta americana) le taux de composition de la méthyl farnesoate marquée et son epoxydation due à l'hormone juvénile C16. Chez les sauterelles, un surcroît d'acide farnésique stimule l'estérification et l'époxydation, tandis que chez les cafards, une accumulation de méthyl farnesoate dans les glandes et l'indice d'une saturation de l'enzyme oxygénase. Cette contenance oxydative plus basse des glandes de cafard est en rapport avec leur trachéolation peu abondante.

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Literatur

  1. C16JH: methyl, 10,11-epoxy-3,7,11-trimethyl-trans,trans, 10R-2, 6-dodecadienoate; C17JH: methyl 10,11-epoxy-3,7,11-trimethyl-trans, trans, cis 10R, 11S-2,6-tridecadienoate; C18JH: methyl 10, 11-epoxy-3,11-dimethyl-7-ethyl-trans, trans, cis 10R, 11S-2,6-tridecadienoate.

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Pratt, G.E., Tobe, S.S. & Weaver, R.J. Relative oxygenase activities in Juvenile hormone biosynthesis of corpora allata of an african locust (Schistocerca gregaria) and American cockroach (Periplaneta americana). Experientia 31, 120–122 (1975). https://doi.org/10.1007/BF01924713

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