EFFECTS OF 20-HYDROXYECDYSONE AND JUVENILE HORMONE ON OCTOPAMINE METABOLISM IN FEMALES OF Drosophila

被引：8
作者：
Dogomolova, E. V. [1 ]
Adonyeva, N. V. [1 ]
Gruntenko, N. E. [1 ]
Rauschenbach, I. Yu. [1 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Inst Cytol & Genet, Lavrentieva Ave 10, Novosibirsk 630090, Russia
来源：
ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY | 2009年 / 70卷 / 04期
关键词：
Drosophila; 20-hydroxyeedysone; juvenile hormone; tyrosine decarboxylase; arylalkylamine N-acetyltransferase; HEAT-STRESS; BIOGENIC-AMINES; TYROSINE DECARBOXYLASE; N-ACETYLTRANSFERASE; DOPA DECARBOXYLASE; NUTRITIONAL STRESS; WILD-TYPE; MELANOGASTER; VIRILIS; MUTANT;
D O I：
10.1002/arch.20298
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The effect of exogenous 20-hydroxyecdysone (20E) and juvenile hormone (JH) on the activities of the tyrosine decarboxylase (TDC), the first enzyme in octopamine (OA) synthesis, has been studied in young females of wild type D. virilis and D. normal and heat stress (38 degrees C) conditions. Files fed 20E expressed increased TDC activity in both species. JH application decreased TDC activity in both species. A rise in JH and 20E levels did not prevent a TDC response to heat stress, but changed the response intensity. A long-term increase in JH litre had no effect on the activity of main OA catabolyzing enzyme, arylalkylamine N-acetyltransferase, in females of both species. A possible mechanism of regulation of OA levels by 20E and JH in Drosophila females is discussed. (c) 2009 Wiley Periodicals, Inc.
引用
收藏
页码：244 / 253
页数：10
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