家蚕(Bombyx mori)末龄幼虫前胸腺内蜕皮素20-单氧酶活性(英文) |
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引用本文: | 王宗舜,郑文惠,伊淑霞.家蚕(Bombyx mori)末龄幼虫前胸腺内蜕皮素20-单氧酶活性(英文)[J].Entomologia Sinica,1995(1). |
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作者姓名: | 王宗舜 郑文惠 伊淑霞 |
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作者单位: | 中国科学院动物研究所 北京100080 |
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摘 要: | 应用无细胞放射实验技术,逐日测定了家蚕末龄幼虫发育期间前胸腺和脂肪体匀浆液内蜕皮素20单氧酶(E-20-M)的活性。结果发现前胸腺内E-20-M活性特点是:从蜕皮到第3天幼虫前胸腺缺乏或具较低水平E-20-M活性;第4天前胸腺E-20-M活性开始升高;到第5天前胸腺E-20-M活性达到高峰。然而,与前胸腺相比,脂肪体E-20-M活性要高的多。
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ECDYSONE 20 MONOOXYGENASE ACTIVITY IN THE PROTHORACIC GLANDS OF LAST INSTAR LARVAE OF BOMBYX MORI |
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Authors: | Zongshun Wang Wenhui Zheng and Shuxia YiInstitute of Zoology Academia Sinica Beijing China |
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Institution: | Zongshun Wang. Wenhui Zheng and Shuxia YiInstitute of Zoology,Academia Sinica,Beijing 100080,China |
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Abstract: | Using cell free radioassay activities of ecdysone 20-monooxygenase (E-20-M) were deter-mined in homogenates of prothoracic glands (PGs) and fat bodies at 24 h intervals during last instar larval development of Bombyx mori. It was found that the profile of E-20-M activity in PG homogenates was characterized by a basal line from day 0 to day 3 which begins to rise on 4th day and reaches a peak on 5th day . Nevertheless, in comparison with PGs, E-20-M activity in fat body was much higher. |
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Keywords: | ecdysone 20-monooxygenase prothoracic gland fat body Bombyx mori |
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