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The effects of seawater transfer on ...

Craig, Paul Matthew.

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The effects of seawater transfer on the corticotropin-releasing factor system in rainbow trout (Oncorhynchus mykiss).

Record Type:	Electronic resources : Monograph/item
Title/Author:	The effects of seawater transfer on the corticotropin-releasing factor system in rainbow trout (Oncorhynchus mykiss)./
Author:	Craig, Paul Matthew.
Description:	77 p.
Notes:	Source: Masters Abstracts International, Volume: 43-06, page: 2120.
Contained By:	Masters Abstracts International43-06.
Subject:	Biology, Zoology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR01798
ISBN:	9780494017982

The effects of seawater transfer on the corticotropin-releasing factor system in rainbow trout (Oncorhynchus mykiss).
Craig, Paul Matthew.

The effects of seawater transfer on the corticotropin-releasing factor system in rainbow trout (Oncorhynchus mykiss). - 77 p.

Source: Masters Abstracts International, Volume: 43-06, page: 2120.

Thesis (M.Sc.)--University of Guelph (Canada), 2005.

Transfer to seawater (SW) in rainbow trout is accompanied by a period of anorexia. Although the hypothalamic-pituitary-interrenal (HPI) axis is activated in response to SW transfer and corticotropin-releasing factor (CRF)-related peptides have hypophysiotropic and anorexigenic properties, the role of the CRF system in appetite regulation during SW acclimation is not known. I examined the effects of SW transfer on food intake, plasma osmolality, HPI axis activity, and forebrain CRF and urotensin I (UI) expression. While SW transfer chronically suppressed food intake over a 2-week period, it transiently increased plasma osmolality and cortisol. Similarly, 24-h after SW transfer, hypothalamic and preoptic area CRF mRNA levels were significantly increased but recovered to pre-transfer levels within 7 days. In contrast, SW transfer elicited a delayed increase in hypothalamic UI mRNA levels and had no effect on preoptic area UI expression.

ISBN: 9780494017982Subjects--Topical Terms:

1018632
Biology, Zoology.

The effects of seawater transfer on the corticotropin-releasing factor system in rainbow trout (Oncorhynchus mykiss).
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020 $a 9780494017982
035 $a (UnM)AAIMR01798
035 $a AAIMR01798
040 $a UnM $c UnM
100 1 $a Craig, Paul Matthew. $3 1913114
245 1 4 $a The effects of seawater transfer on the corticotropin-releasing factor system in rainbow trout (Oncorhynchus mykiss).
300 $a 77 p.
500 $a Source: Masters Abstracts International, Volume: 43-06, page: 2120.
502 $a Thesis (M.Sc.)--University of Guelph (Canada), 2005.
520 $a Transfer to seawater (SW) in rainbow trout is accompanied by a period of anorexia. Although the hypothalamic-pituitary-interrenal (HPI) axis is activated in response to SW transfer and corticotropin-releasing factor (CRF)-related peptides have hypophysiotropic and anorexigenic properties, the role of the CRF system in appetite regulation during SW acclimation is not known. I examined the effects of SW transfer on food intake, plasma osmolality, HPI axis activity, and forebrain CRF and urotensin I (UI) expression. While SW transfer chronically suppressed food intake over a 2-week period, it transiently increased plasma osmolality and cortisol. Similarly, 24-h after SW transfer, hypothalamic and preoptic area CRF mRNA levels were significantly increased but recovered to pre-transfer levels within 7 days. In contrast, SW transfer elicited a delayed increase in hypothalamic UI mRNA levels and had no effect on preoptic area UI expression.
520 $a Because the caudal neurosecretory system (CNSS) is a major source of CRF-related peptides in fish, I examined the effects of SW transfer on CNSS CRF and UI expression. (Abstract shortened by UMI.)
590 $a School code: 0081.
650 4 $a Biology, Zoology. $3 1018632
650 4 $a Agriculture, Fisheries and Aquaculture. $3 1020913
650 4 $a Biology, Animal Physiology. $3 1017835
690 $a 0472
690 $a 0792
690 $a 0433
710 2 0 $a University of Guelph (Canada). $3 1018650
773 0 $t Masters Abstracts International $g 43-06.
790 $a 0081
791 $a M.Sc.
792 $a 2005
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR01798