Cardioacceleratory effects of Manduca sexta allatotropin in the true armyworm moth, Pseudaletia unipuncta

被引：57

作者：

Koladich, PM

Cusson, M

Bendena, WG

Tobe, SS ^{[1
]}

McNeil, JN

机构：

[1] Univ Toronto, Dept Zool, Toronto, ON M5S 3G5, Canada

[2] Laurentian Forestry Ctr, Ste Foy, PQ G1V 4C7, Canada

[3] Queens Univ, Dept Biol, Kingston, ON K7L 3N6, Canada

[4] Univ Laval, Dept Biol, Ste Foy, PQ G1K 7P4, Canada

来源：

PEPTIDES | 2002年 / 23卷 / 04期

基金：

加拿大自然科学与工程研究理事会;

关键词：

allatostatin; allatotropin; cardioacceleratory peptide; insect heart; juvenile hormone; Manduca sexta; Pseudaletia unipuncta; serotonin;

D O I：

10.1016/S0196-9781(01)00658-1

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：

Manduca sexta allatotropin (Manse-AT), a peptide originally isolated on the basis of its ability to stimulate juvenile hormone (JH) biosynthesis in the tobacco hornworm, is a potent in vitro stimulator of the corpora allata (CA) in Pseudaletia unipuncta (Lepidoptera: Noctuidae). At 10(-6)M, Manse-AT stimulated in vitro rates of JH biosynthesis by CA of day 0 and 6 adult females 15- and 10-fold respectively. Both Manse-AT and serotonin were also shown to be dose-dependent stimulators of heart rate in day 0, 3 and 6 adult males and females. Furthermore, analysis suggests that there are differences in both resting and Manse-AT-stimulated heart rates depending on age and rearing conditions. (C) 2002 Elsevier Science Inc. All rights reserved.

引用

页码：645 / 651

页数：7

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