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Keywords: 20-hydroxyecdysone
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Journal Articles
J Exp Biol jeb.249807.
Published: 16 January 2025
... the detection of sex pheromones in insects, we turned to the male moth Agrotis ipsilon for which the behavioral responsiveness to sex pheromones is dependent on diet and reproductive hormones, juvenile hormone (JH) and 20-hydroxyecdysone (20E). We demonstrated that a sugar-rich diet with sodium increases...
Journal Articles
J Exp Biol (2000) 203 (19): 3011–3018.
Published: 1 October 2000
... (EH) 8 h before pupation. Injection of 20-hydroxyecdysone (20E) into precompetent insects prevents this acquisition of competence, but does not affect EH-evoked accumulation of the second messenger cyclic GMP. Precompetent glands acquire competence in vitro after overnight culture, and this can...
Journal Articles
J Exp Biol (1998) 201 (21): 2981–2992.
Published: 1 November 1998
... of neuropil, including the contralateral side of the ganglion. Using both in vivo manipulations and a single-cell culture system, we show that this change in morphology is probably triggered by two pulses of the steroid hormone 20-hydroxyecdysone (20-HE): a small commitment peak and a larger prepupal pulse...
Journal Articles
Journal Articles
Journal Articles
J Exp Biol (1992) 167 (1): 277–284.
Published: 1 June 1992
... containing 0.5% CO 2 . After preincubation for 6h, fresh medium containing the hormone 20-hydroxyecdysone (Sigma Chemical Co. Ltd) was added and incubation continued for a further 14 h. Two hormone concentrations were used, 10 −7 moll −1 and 10 −6 moll −1 , which correspond to the mean values of 20...