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生物学论文_保幼激素通过非基因组效应调控果蝇
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摘要:文章目录 Conflict of interest 文章摘要:正A wide array of biological events in the life history of insects are orchestrated by juvenile hormone (JH) and 20-hydroxyecdysone(20E)[1]. They control embryonic development, molting
文章目录
Conflict
of
interest
文章摘要:<正>A wide array of biological events in the life history of insects are orchestrated by juvenile hormone (JH) and 20-hydroxyecdysone(20E)[1]. They control embryonic development, molting, metamorphosis, and reproduction. Some processes are governed by one of the two hormones while others rely on both. Larval development and metamorphosis in the tobacco hornworm, Manduca sexta, is a classic example manifesting the coordination of JH and20E. 20E triggers every molt in M. sexta, from larval-larval molt to larval-pupal and pupal-adult molts; the nature of molting is defined by JH [2]. High levels of JH in the early larva instars exert the anti-metamorphic function and 20E initiates a molt that leads to another larger larva. Once the hornworm reaches a critical weight (a body size ‘‘check-point"), the synthesis of JH is halted.In the absence of JH, 20E instigates the metamorphic program,
文章关键词:
论文分类号:Q968
文章来源:《昆虫学报》 网址: http://www.kcxbzz.cn/qikandaodu/2022/0125/1157.html
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