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在红带锥蝽四龄若虫中证明保幼激素毒素敏感期。

Demonstration of a proallatotoxin-sensitive period in 4th-instar nymphs of Rhodnius prolixus.

作者信息

Azambuja P, Garcia E S

机构信息

Departamento de Biologia Geral, Universidade Federal Fluminense, Niteroi Brasil.

出版信息

Braz J Med Biol Res. 1987;20(2):175-9.

PMID:3318976
Abstract
  1. Topical application of the proallatotoxin ethoxyprecocene II (60 micrograms/nymph) to 4th-instar nymphs of Rhodnius prolixus at various times before and after a blood meal induced precocious metamorphosis. 2. The highest percentage of adultoids was obtained when proallatotoxin was applied prior to feeding or up to day 3 after the blood meal. 3. The proallatotoxin-sensitive period ended 4 days after feeding just before the maximum peak of ecdysteroid concentration in the hemolymph. 4. The significance of these findings is discussed in terms of the juvenile hormone-sensitive period and the hormonal program which controls molting in this insect.
摘要
  1. 在血餐前后的不同时间,将保幼激素毒素乙氧基早熟素II(60微克/若虫)局部施用于红带锥蝽的四龄若虫,可诱导早熟变态。2. 当在进食前或血餐之后第3天之前施用保幼激素毒素时,获得成虫样个体的比例最高。3. 保幼激素毒素敏感期在进食后4天结束,恰好在血淋巴中蜕皮甾体浓度达到最高峰之前。4. 根据这种昆虫的保幼激素敏感期和控制蜕皮的激素程序,对这些发现的意义进行了讨论。

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