Diuresis in the housefly (Musca domestica) and its control by neuropeptides

被引：23

作者：

Coast, GM ^{[1
]}

机构：

[1] Univ London Birkbeck Coll, Dept Biol, London WC1E 7HX, England

来源：

PEPTIDES | 2001年 / 22卷 / 02期

关键词：

insects water loss; diuresis; diuretic hormone; myokinin; CRF-related diuretic peptide; Musca domestica;

D O I：

10.1016/S0196-9781(00)00372-7

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：

Diuresis was studied in vivo by measuring the loss of tritiated water. The basal rate of water loss (5 nl/min) represents respiratory and cuticular losses, whereas higher rates reflect urine output. which reaches 20 nl/min after injection of 1 mu1 distilled water. This response to hypervolemia involves release of a diuretic hormones into the hemolymph. However, housefly diuretic peptides increased urine output to a maximum of only 7 nl/min, and higher rates may require fluid reabsorption from the hindgut to be reduced. Diuresis is partially blocked by injected anti-muscakinin antibodies, providing evidence of a hormonal function for this insect myokinin. (C) 2001 Elsevier Science Inc. All rights reserved.

引用

页码：153 / 160

页数：8

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