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Lack of glucose and hsp70 responses in haddock Melanogrammus aeglefinus (L.) subjected to handling and heat shock

Afonso, L. O. B., Hosoya, S., Osborne, J., Gamperl, A. K. and Johnson, S. 2008, Lack of glucose and hsp70 responses in haddock Melanogrammus aeglefinus (L.) subjected to handling and heat shock, Journal of fish biology, vol. 72, no. 1, pp. 157-167, doi: 10.1111/j.1095-8649.2007.01697.x.

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Title Lack of glucose and hsp70 responses in haddock Melanogrammus aeglefinus (L.) subjected to handling and heat shock
Formatted title Lack of glucose and hsp70 responses in haddock Melanogrammus aeglefinus (L.) subjected to handling and heat shock
Author(s) Afonso, L. O. B.
Hosoya, S.
Osborne, J.
Gamperl, A. K.
Johnson, S.
Journal name Journal of fish biology
Volume number 72
Issue number 1
Start page 157
End page 167
Total pages 11
Publisher Wiley-Blackwell Publishing
Place of publication Oxford, England
Publication date 2008
ISSN 0022-1112
1095-8649
Keyword(s) cortisol
glucose
haddock
handling
heat shock
hsp70
Summary Juvenile haddock Melanogrammus aeglefinus (c. 39 g) were exposed to either a handling stressor (1 min out of water) or heat shock (increase from 10 to 15° C for 1 h), and plasma cortisol, plasma glucose and gill hsp70 levels were determined before, and at 1, 3, 6, 12, 24 and 48 h post-stress. The pattern of cortisol increase was similar following both stressors, with levels increasing by 25-fold at 1 h post-stress, but returning to pre-stress levels (2–5 ng ml−1) by 3 h. In contrast, neither handling nor heat shock caused an increase in plasma glucose levels. Although gill hsp70 was detected, presumably constitutive levels, in both control and heat shocked groups, there were not significant changes in gill hsp70 levels after exposure to heat shock. The lack of glucose and hsp70 responses to these typical stressors is consistent with previous studies on Atlantic cod Gadus morhua, and suggests that the stress physiology of Gadidae differs from the ‘typical’ teleost.
Language eng
DOI 10.1111/j.1095-8649.2007.01697.x
Field of Research 070401 Aquaculture
070405 Fish Physiology and Genetics
Socio Economic Objective 830102 Aquaculture Fin Fish (excl. Tuna)
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2008, Wiley-Blackwell
Persistent URL http://hdl.handle.net/10536/DRO/DU:30048016

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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