Each ecdysis during the life of Manduca appears to be triggered by eclosion hormone. Depending on developmental stage, the hormone comes either from the brain-corpora cardiaca complex or from the chain of ventral ganglia. The neural programs triggered by eclosion hormone include a neuroendocrine ...
It is converted in many peripheral tissues to 20E, which in most insects is the major active hormone and which binds with high affinity to the ecdysone receptor (EcR). 20E is widely used in experimental studies of the cellular and molecular actions of ecdysteroids. Some insects, including the...
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VRoles of juvenile hormone in embryonic development BothecdysteroidsandJHare found in freshly laid eggs in the locust,Locusta migratoria. Theecdysteroidsare inactive conjugates; at times corresponding to the early embryonic molts, these inactive conjugates are converted to 20E and other metabolites. The...
Davis, R.E., Kelly, T.J., Masler, E.P., Fescemeyer, H.W., Thyagaraja, B.S., and Borkovec, A.B. (1990). Hormonal control of vitellogenesis in the gypsy moth,Lymantria dispar(L.): sup pression of haemolymph vitellogenin by the juvenile hormone analogue methoprene. J. Insect Physi...
Shorter hatching times were observed in the egg strings exposed to hormone (10−7 to 10−5 M) compared to sea water and cholesterol (10−11 and 10−9 M) controls. Possible physiological roles and the evolutionary significance of ecdysteroids in nemerteans are discussed. This is a ...
Minimum detectable levels were 4 ng for 20-hydroxyecdysone and 4 ng for juvenile hormone. No juvenile hormones were detected in male boll weevils, whereas titers were readily determined in female boll weevils. The ecdysteroid, 20-hydroxyecdysone was present in pupae (not sexed), in adult males ...
afoyum foyum[translate] awhen her husband is rree. 当她的丈夫是rree。[translate] awhen her husband is free. 当她的丈夫自由。[translate] acoclwear coclwear[translate] aEcdysteroid hormone 20-hydroxyecdysone Ecdysteroid激素20-hydroxyecdysone[translate]...
Interestingly, the structure of steroid hormone receptors is highly conserved among metazoans2. Although ecdysteroids do not necessarily bind to homologous receptors in different phyla of the Animal Kingdom, they may have a variety of effects even in distantly related taxa. These compounds play an ...
1) ecdysteroid 蜕化类固醇2) ecdysteroids 蜕皮类固醇 例句>> 3) phytoecdysteroid 植物蜕皮类固醇,植物蜕皮甾体4) ecdysteroid hormone 蜕皮类固醇激素[见于血吸虫] 例句>> 5) Steroid 11β-hydroxylase 类固醇11β-羟化酶6) steroid 21-hydroxylase (CYP21) 类固醇21-羟化酶...