Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/3732

Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: Diablo/SMAC: A novel biomarker of pollutant exposure in European flounder (Platichthys flesus)
Authors: Zacchino, Valentina
Minghetti, Matteo
Centoducati, Gerardo
Leaver, Michael
Contact Email: mjl1@stir.ac.uk
Keywords: Diablo
SMAC
Pollutant
Environment
Biomarker
Flounder
Platichthys flesus
Issue Date: May-2012
Publisher: Elsevier
Citation: Zacchino V, Minghetti M, Centoducati G & Leaver M (2012) Diablo/SMAC: A novel biomarker of pollutant exposure in European flounder (Platichthys flesus), Ecotoxicology and Environmental Safety, 79, pp. 176-183.
Abstract: Diablo (or SMAC) is a protein released from mitochondria following apoptotic stimuli and inhibits the actions of Inhibitors of Apoptosis (IAP) proteins. IAPs regulate the activity of caspases and NFkB, the primary executioners of apoptosis and of inflammation respectively. Thus, Diablo is important for the regulation of cellular responses to damage. In Northern Europe, statutory governmental marine monitoring programs measure various biomarkers in flounder to indicate biological effects of pollutant exposure. More recently transcriptomic techniques have been applied in flounder to gain a more comprehensive understanding of pollutant effects, and to discover novel biomarkers. In most of these studies utilising flounder, Diablo was amongst the most highly increased transcripts identified. The aim of this study was to further examine piscine Diablo, at the gene level and mRNA level, after exposure to prototypical pollutants, and in flounder caught from polluted environments. The results show that two genes encoding Diablo exist in fish species, and in flounder one of these genes is increased in liver after exposure to polyaromatic hydrocarbons and polychlorinated biphenyls, and also in livers from fish living on contaminated estuarine sediments. Therefore, Diablo measurement has potential as a biomarker of pollutant exposure, and could indicate damaging effects of chemical contaminants.
Type: Journal Article
URI: http://hdl.handle.net/1893/3732
DOI Link: http://dx.doi.org/10.1016/j.ecoenv.2011.12.017
Rights: Published in Ecotoxicology and Environmental Safety by Elsevier. This is the peer reviewed version of this article. NOTICE: this is the author’s version of a work that was accepted for publication in Ecotoxicology and Environmental Safety. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Ecotoxicology and Environmental Safety, VOL 79, (May 2012). DOI: 10.1016/j.ecoenv.2011.12.017.
Affiliation: University of Bari, Italy
Aquaculture
University of Bari, Italy
Aquaculture

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