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Thermal tolerance in teleost fish –importance of cardiac oxygen supply, ATP production and autonomic control


Please use this identifier to cite or link to this item: http://hdl.handle.net/2077/51825

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Title: Thermal tolerance in teleost fish –importance of cardiac oxygen supply, ATP production and autonomic control
Authors: Ekström, Andreas
E-mail: andreas.ekstrom@bioenv.gu.se
andreas.t.ekstrom@gmail.com
Issue Date: 7-Apr-2017
University: University of Gothenburg. Faculty of Science
Institution: Department of Biological and Environmental Sciences ; Institutionen för biologi och miljövetenskap
Parts of work: I. Ekström, A., Brijs, J., Clark, T. D., Gräns, A., Jutfelt, F. and Sandblom, E. (2016). Cardiac oxygen limitation during an acute thermal challenge in the European perch: effects of chronic environmental warming and experimental hyperoxia. American Journal of Physiology – Regulatory, Integrative and Comparative Physiology. 311, R440-449.
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II. Ekström, A., Axelsson, M., Gräns, A., Brijs., and Sandblom, E. (2017) Influence of the coronary circulation on thermal tolerance and cardiac performance during warming in rainbow trout. American Journal of Physiology – Regulatory, Integrative and Comparative Physiology. In Press
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III. Ekström, A.,Sandblom, E., Blier, P.U., Dupont Cyr, B-A., Brijs, J. and Pichaud, N. (2016) Thermal sensitivity and phenotypic plasticity of cardiac mitochondrial metabolism in European perch, Perca fluviatilis. Journal of Experimental Biology. 220: 386-396
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IV. Ekström, A., Jutfelt, F. and Sandblom, E. (2014). Effects of autonomic blockade on acute thermal tolerance and cardioventilatory performance in rainbow trout, Oncorhynchus mykiss. Journal of Thermal Biology 44, 47-54.
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Date of Defence: 2017-04-28
Disputation: Fredagen den 28 april 2017, kl.10.00 i föreläsningssalen, Zoologen, Medicinaregatan 18A, Göteborg
Degree: Doctor of Philosophy
Publication type: Doctoral thesis
Keywords: acclimation
coronary
CTmax
enzyme
global warming
heart
mitochondria
Abstract: Temperature tolerance is a key determinant of the resilience and adaptability of fish facing a warmer and more thermally variable future with climate change. Yet, the underlying physiological mechanisms determining the critical thermal maximum (CTmax) are poorly understood. This thesis investigated the physiological determinants of CTmax in teleost fish, focusing on cardiovascular function. An inability of the heart to pump and supply the body tissues with oxygenated blood could constrain w... more
ISBN: 978-91-629-0088-5 (Print)
978-91-629-0087-8 (PDF)
URI: http://hdl.handle.net/2077/51825
Appears in Collections:Doctoral Theses from University of Gothenburg / Doktorsavhandlingar från Göteborgs universitet
Doctoral Theses / Doktorsavhandlingar Institutionen för biologi och miljövetenskap

 

 

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