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juvenile hormone |
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Based on the new technique, NIAS has induced precocious metamorphosis of silkworms by excessively producing juvenile hormone esterase, a kind of hormone-degrading enzyme. Juvenile hormone analogs (JHAs) represent a class of insecticides that were designed specifically to disrupt endocrine-regulated processes relatively unique to insects. After 200 or so organ transplants in mealworm beetles, he and Sheffield colleague Jens Rolff propose that a burst of so-called juvenile hormone triggered by mating revs up the insects' reproductive system but with a dire cost: a weakened immune system. |
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