HSP70 expression in the Copper butterfly Lycaena tityrus across altitudes and temperatures

Journal of Evolutionary Biology
I KarlK Fischer

Abstract

The ability to express heat-shock proteins (HSP) under thermal stress is an essential mechanism for ectotherms to cope with unfavourable conditions. In this study, we investigate if Copper butterflies originating from different altitudes and/or being exposed to different rearing and induction temperatures show differences in HSP70 expression. HSP70 expression increased substantially at the higher rearing temperature in low-altitude butterflies, which might represent an adaptation to occasionally occurring heat spells. On the other hand, high-altitude butterflies showed much less plasticity in response to rearing temperatures, and overall seem to rely more on genetically fixed thermal stress resistance. Whether the latter indicates a higher vulnerability of high-altitude populations to global warming needs further investigation. HSP70 expression increased with both colder and warmer induction temperatures.

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Citations

May 8, 2014·Journal of Thermal Biology·Shiqi LuoRainer Lehtonen
Aug 1, 2014·Proceedings. Biological Sciences·Jing GaoWei-Guo Du
Dec 3, 2014·Journal of Thermal Biology·Wolf U BlanckenhornMartin A Schäfer
Jul 31, 2014·Heredity·Kristin Franke, Klaus Fischer
Mar 3, 2011·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·Qi XuShigui Wang
Jan 19, 2010·Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology·D S BedulinaM A Timofeyev
Apr 10, 2013·Genetics and Molecular Biology·Tiago F JesusMaria M Coelho
Feb 16, 2012·Molecular Ecology·Valérie Le Corre, Antoine Kremer
Feb 1, 2014·Evolution, Medicine, and Public Health·Daniel NettlePaul de Mornay Davies
Nov 7, 2019·MCN. the American Journal of Maternal Child Nursing·Meekyung HanAmber Kim
Feb 9, 2020·Biological Reviews of the Cambridge Philosophical Society·Daniel González-TokmanFabricio Villalobos
Mar 14, 2020·The Journal of Experimental Biology·Gabriela Montejo-KovacevichNicola J Nadeau
Mar 1, 2014·Journal of Evolutionary Biology·L C FallisT J Morgan

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