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Behavioral and Neuroendocrine Correlates of Selection for Stress Responsiveness in Rainbow Trout—a Review

Behavioral and Neuroendocrine Correlates of Selection for Stress Responsiveness in Rainbow... In rainbow trout the magnitude of the cortisol response to stress shows both consistency over time and a moderate to high degree of heritability, and high responding (HR) and low responding (LR) lines of rainbow trout have been generated by individual selection for consistently high or low post-stress cortisol values. Using 2nd and 3rd generation fish, we tested the hypothesis that differential stress responsiveness is associated with behavioral alterations in the HR-LR trout model. LR fish showed a tendency to become socially dominant, a rapid recovery of food intake after transfer to a novel environment, and a reduced locomotor response in a territorial intrusion test. Furthermore, stress induced elevation of brain stem and optic tectum concentrations of the monoamine neurotransmitters serotonin, dopamine, and norepinephrine and their metabolites suggests that both synthesis and metabolism of these transmitters were elevated after stress to a larger degree in HR than in LR trout. A divergent pattern was seen in the hypothalamus, where LR fish displayed elevated levels of 5-hydroxyindoleacetic acid (a serotonin metabolite) and 3-methoxy-4-hydroxyphenylglycol (a norepinephrine metabolite). Thus, selection for a single trait, cortisol responsiveness, in rainbow trout is associated with concurrent changes in both behavior and central signaling systems. The apparent parallel to genetically determined stress coping styles in mammals, and the existence of similar trait associations in unselected populations of rainbow trout, suggests an evolutionarily conserved correlation between multiple traits. Continuing studies on the HR and LR trout lines are aimed at providing the physiological and genetic basis for new marker-assisted selection strategies in the rapidly developing finfish aquaculture industry, as well as increased knowledge of the function and evolution of central neuroendocrine signaling systems. The Society for Integrative and Comparative Biology « Previous | Next Article » Table of Contents This Article Integr. Comp. Biol. (2005) 45 (3): 463-474. doi: 10.1093/icb/45.3.463 » Abstract Free Full Text (HTML) Free Full Text (PDF) Free Classifications Regular Article Services Article metrics Alert me when cited Alert me if corrected Find similar articles Similar articles in Web of Science Add to my archive Download citation Request Permissions Citing Articles Load citing article information Citing articles via CrossRef Citing articles via Scopus Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by Øverli, Ø. Articles by Pottinger, T. G. Search for related content Related Content Load related web page information Share Email this article CiteULike Delicious Facebook Google+ Mendeley Twitter What's this? Search this journal: Advanced » Current Issue November 2015 55 (5) Alert me to new issues The Journal About the journal Publishers' Books for Review Rights & Permissions Dispatch date of the next issue This journal is a member of the Committee on Publication Ethics (COPE) We are mobile – find out more Journals Career Network Impact factor: 2.929 5-Yr impact factor: 3.655 Published on behalf of The Society for Integrative and Comparative Biology Editor-in-Chief Harold Heatwole View full editorial board For Authors Services for authors Instructions to authors Charges Online submission Submit Now! Self-archiving policy Open access options for authors - visit Oxford Open Alerting Services Email table of contents Email Advance Access CiteTrack XML RSS feed Corporate Services What we offer Advertising sales Reprints Supplements var taxonomies = ("SCI00960"); Most Most Read The Ediacaran Biotas in Space and Time Polar Bears in a Warming Climate Causes and Consequences of Stress The relationship between egg size and fertilization success in broadcast-spawning marine invertebrates Mechanisms of Adhesion in Geckos » View all Most Read articles Most Cited Exceptional Fossil Preservation and the Cambrian Explosion Linking immune defenses and life history at the levels of the individual and the species Seminal influences: Drosophila Acps and the molecular interplay between males and females during reproduction Recent progress in understanding larval dispersal: new directions and digressions Grand challenges in organismal biology » View all Most Cited articles Disclaimer: Please note that abstracts for content published before 1996 were created through digital scanning and may therefore not exactly replicate the text of the original print issues. All efforts have been made to ensure accuracy, but the Publisher will not be held responsible for any remaining inaccuracies. If you require any further clarification, please contact our Customer Services Department. Online ISSN 1557-7023 - Print ISSN 1540-7063 Copyright © 2015 The Society for Integrative and Comparative Biology Oxford Journals Oxford University Press Site Map Privacy Policy Cookie Policy Legal Notices Frequently Asked Questions Other Oxford University Press sites: Oxford University Press Oxford Journals China Oxford Journals Japan Academic & Professional books Children's & Schools Books Dictionaries & Reference Dictionary of National Biography Digital Reference English Language Teaching Higher Education Textbooks International Education Unit Law Medicine Music Online Products & Publishing Oxford Bibliographies Online Oxford Dictionaries Online Oxford English Dictionary Oxford Language Dictionaries Online Oxford Scholarship Online Reference Rights and Permissions Resources for Retailers & Wholesalers Resources for the Healthcare Industry Very Short Introductions World's Classics function fnc_onDomLoaded() { var query_context = getQueryContext(); PF_initOIUnderbar(query_context,":QS:default","","JRN"); PF_insertOIUnderbar(0); }; if (window.addEventListener) { window.addEventListener('load', fnc_onDomLoaded, false); } else if (window.attachEvent) { window.attachEvent('onload', fnc_onDomLoaded); } var gaJsHost = (("https:" == document.location.protocol) ? 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Behavioral and Neuroendocrine Correlates of Selection for Stress Responsiveness in Rainbow Trout—a Review

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References (129)

Publisher
Oxford University Press
Copyright
Copyright © 2015 The Society for Integrative and Comparative Biology
ISSN
1540-7063
eISSN
1557-7023
DOI
10.1093/icb/45.3.463
pmid
21676791
Publisher site
See Article on Publisher Site

Abstract

In rainbow trout the magnitude of the cortisol response to stress shows both consistency over time and a moderate to high degree of heritability, and high responding (HR) and low responding (LR) lines of rainbow trout have been generated by individual selection for consistently high or low post-stress cortisol values. Using 2nd and 3rd generation fish, we tested the hypothesis that differential stress responsiveness is associated with behavioral alterations in the HR-LR trout model. LR fish showed a tendency to become socially dominant, a rapid recovery of food intake after transfer to a novel environment, and a reduced locomotor response in a territorial intrusion test. Furthermore, stress induced elevation of brain stem and optic tectum concentrations of the monoamine neurotransmitters serotonin, dopamine, and norepinephrine and their metabolites suggests that both synthesis and metabolism of these transmitters were elevated after stress to a larger degree in HR than in LR trout. A divergent pattern was seen in the hypothalamus, where LR fish displayed elevated levels of 5-hydroxyindoleacetic acid (a serotonin metabolite) and 3-methoxy-4-hydroxyphenylglycol (a norepinephrine metabolite). Thus, selection for a single trait, cortisol responsiveness, in rainbow trout is associated with concurrent changes in both behavior and central signaling systems. The apparent parallel to genetically determined stress coping styles in mammals, and the existence of similar trait associations in unselected populations of rainbow trout, suggests an evolutionarily conserved correlation between multiple traits. Continuing studies on the HR and LR trout lines are aimed at providing the physiological and genetic basis for new marker-assisted selection strategies in the rapidly developing finfish aquaculture industry, as well as increased knowledge of the function and evolution of central neuroendocrine signaling systems. The Society for Integrative and Comparative Biology « Previous | Next Article » Table of Contents This Article Integr. Comp. Biol. (2005) 45 (3): 463-474. doi: 10.1093/icb/45.3.463 » Abstract Free Full Text (HTML) Free Full Text (PDF) Free Classifications Regular Article Services Article metrics Alert me when cited Alert me if corrected Find similar articles Similar articles in Web of Science Add to my archive Download citation Request Permissions Citing Articles Load citing article information Citing articles via CrossRef Citing articles via Scopus Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by Øverli, Ø. Articles by Pottinger, T. G. Search for related content Related Content Load related web page information Share Email this article CiteULike Delicious Facebook Google+ Mendeley Twitter What's this? Search this journal: Advanced » Current Issue November 2015 55 (5) Alert me to new issues The Journal About the journal Publishers' Books for Review Rights & Permissions Dispatch date of the next issue This journal is a member of the Committee on Publication Ethics (COPE) We are mobile – find out more Journals Career Network Impact factor: 2.929 5-Yr impact factor: 3.655 Published on behalf of The Society for Integrative and Comparative Biology Editor-in-Chief Harold Heatwole View full editorial board For Authors Services for authors Instructions to authors Charges Online submission Submit Now! Self-archiving policy Open access options for authors - visit Oxford Open Alerting Services Email table of contents Email Advance Access CiteTrack XML RSS feed Corporate Services What we offer Advertising sales Reprints Supplements var taxonomies = ("SCI00960"); Most Most Read The Ediacaran Biotas in Space and Time Polar Bears in a Warming Climate Causes and Consequences of Stress The relationship between egg size and fertilization success in broadcast-spawning marine invertebrates Mechanisms of Adhesion in Geckos » View all Most Read articles Most Cited Exceptional Fossil Preservation and the Cambrian Explosion Linking immune defenses and life history at the levels of the individual and the species Seminal influences: Drosophila Acps and the molecular interplay between males and females during reproduction Recent progress in understanding larval dispersal: new directions and digressions Grand challenges in organismal biology » View all Most Cited articles Disclaimer: Please note that abstracts for content published before 1996 were created through digital scanning and may therefore not exactly replicate the text of the original print issues. All efforts have been made to ensure accuracy, but the Publisher will not be held responsible for any remaining inaccuracies. If you require any further clarification, please contact our Customer Services Department. Online ISSN 1557-7023 - Print ISSN 1540-7063 Copyright © 2015 The Society for Integrative and Comparative Biology Oxford Journals Oxford University Press Site Map Privacy Policy Cookie Policy Legal Notices Frequently Asked Questions Other Oxford University Press sites: Oxford University Press Oxford Journals China Oxford Journals Japan Academic & Professional books Children's & Schools Books Dictionaries & Reference Dictionary of National Biography Digital Reference English Language Teaching Higher Education Textbooks International Education Unit Law Medicine Music Online Products & Publishing Oxford Bibliographies Online Oxford Dictionaries Online Oxford English Dictionary Oxford Language Dictionaries Online Oxford Scholarship Online Reference Rights and Permissions Resources for Retailers & Wholesalers Resources for the Healthcare Industry Very Short Introductions World's Classics function fnc_onDomLoaded() { var query_context = getQueryContext(); PF_initOIUnderbar(query_context,":QS:default","","JRN"); PF_insertOIUnderbar(0); }; if (window.addEventListener) { window.addEventListener('load', fnc_onDomLoaded, false); } else if (window.attachEvent) { window.attachEvent('onload', fnc_onDomLoaded); } var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); try { var pageTracker = _gat._getTracker("UA-189672-16"); pageTracker._setDomainName(".oxfordjournals.org"); pageTracker._trackPageview(); } catch(err) {}

Journal

Integrative and Comparative BiologyOxford University Press

Published: Jun 1, 2005

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