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title Non-lethal heat shock increases tolerance to metal exposure in brine shrimp
authors Pestana, JLT; Novais, SC; Norouzitallab, P; Vandegehuchte, MB; Bossier, P; De Schamphelaere, KAC
author full name Pestana, Joao L. T.; Novais, Sara C.; Norouzitallab, Parisa; Vandegehuchte, Michiel B.; Bossier, Peter; De Schamphelaere, Karel A. C.
title Non-lethal heat shock increases tolerance to metal exposure in brine shrimp
nationality internacional
language English
document type Article
author keywords Artemia franciscana; Cadmium; DNA methylation; Epigenetic markers; Heat shock proteins; Histone acetylation; Induced cross-tolerance; Zinc
abstract Pollution and temperature increase are two of the most important stressors that aquatic organisms are facing. Exposure to elevated temperatures and metal contamination both induce heat shock proteins (HSPs), which may thus be involved in the induced cross-tolerance in various organisms. This study aimed to test the hypothesis that exposure to a non-lethal heat shock (NLHS) causes an increased tolerance to subsequent metal exposure. Using gnotobiotic cultures of the brine shrimp Artemia franciscana, the tolerance to Cd and Zn acute exposures was tested after a prior NLHS treatment (30 min exposure to 37 degrees C). The effects of NLHS and metal exposure were also assessed by measuring 70 kDa-HSPs production, along with the analysis of epigenetic markers such as DNA methylation and histone H3 and histone H4 acetylation. Our results showed that heat-shocked Artemia had increased acute tolerance to Cd and Zn. However, different patterns of HSPs were observed between the two metal compounds and no epigenetic alterations were observed in response to heat shock or metal exposure. These results suggest that HSP production is a phenotypically plastic trait with a potential role in temperature-induced tolerance to metal exposure. (C) 2016 Elsevier Inc. All rights reserved.
author address [Pestana, Joao L. T.] Univ Aveiro, Dept Biol, Campus Univ Santiago, P-3810193 Aveiro, Portugal; [Pestana, Joao L. T.] Univ Aveiro, CESAM, Campus Univ Santiago, P-3810193 Aveiro, Portugal; [Novais, Sara C.] Inst Politecn Leiria, ESTM, MARE Marine & Environm Sci Ctr, P-2520641 Peniche, Portugal; [Norouzitallab, Parisa; Bossier, Peter] Univ Ghent, Fac Biosci Engn, Lab Aquaculture & Artemia Reference Ctr, Rozier 44, B-9000 Ghent, Belgium; [Vandegehuchte, Michiel B.; De Schamphelaere, Karel A. C.] Univ Ghent, Lab Environm Toxicol & Aquat Ecol, J Plateaustr 22, B-9000 Ghent, Belgium; [Norouzitallab, Parisa] Univ Ghent, Fac Biosci Engn, Lab Immunol & Anim Biotechnol, Coupure Links 653, B-9000 Ghent, Belgium
reprint address Pestana, JLT (reprint author), Univ Aveiro, Dept Biol, Campus Univ Santiago, P-3810193 Aveiro, Portugal.; Pestana, JLT (reprint author), Univ Aveiro, CESAM, Campus Univ Santiago, P-3810193 Aveiro, Portugal.
researcherid number CESAM, UA/M-3762-2015
funding agency and grant number Ghent University BOF-PhD Grant [BOF10/DOS/031]; Belgian Science Policy Office (Belspo) AquaStress project [IUAPVII/64/Sorgeloos]; Ghent University [BOF12/BAS/042]; EC [FP7-262 336]; Fundacao para a Ciencia e Tecnologia (FCT); POPH/FSE (Programa Operacional Potencial Humano/Fundo Social Europeu) [SFRH/BPD/45342/2008, SFRH/BPD/94500/2013]
funding text This study was supported by Ghent University BOF-PhD Grant no. BOF10/DOS/031 and the Belgian Science Policy Office (Belspo) AquaStress project (IUAPVII/64/Sorgeloos). The authors highly acknowledge the Special Research Fund of Ghent University (BOF12/BAS/042) for procuring the chemiluminescence detection system. This research was in part supported by the EC funded project AQUAEXCEL FP7-262 336. Fundacao para a Ciencia e Tecnologia (FCT) and POPH/FSE (Programa Operacional Potencial Humano/Fundo Social Europeu) are also acknowledged for the post-doctoral fellowships of Joao Pestana (SFRH/BPD/45342/2008) and Sara Novais (SFRH/BPD/94500/2013).
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cited reference count 55
publisher city SAN DIEGO
publisher address 525 B ST, STE 1900, SAN DIEGO, CA 92101-4495 USA
issn 0013-9351
29-character source abbreviation ENVIRON RES
iso source abbreviation Environ. Res.
publication date NOV
year published 2016
volume 151
beginning page 663
ending page 670
digital object identifier (doi) 10.1016/j.envres.2016.08.037
page count 8
web of science category Environmental Sciences; Public, Environmental & Occupational Health
subject category Environmental Sciences & Ecology; Public, Environmental & Occupational Health
document delivery number EA2HO
unique article identifier WOS:000386413600071