Journal
JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY
Volume 445, Issue -, Pages 166-173Publisher
ELSEVIER
DOI: 10.1016/j.jembe.2013.03.002
Keywords
Differentially expressed genes; Hexabromocyclododecane; Molecular biomarkers; Suppression subtractive hybridization (SSH); Venerupis philippinarum
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Funding
- State Oceanic Administration specific public project [201105013]
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Hexabromocydododecane (HBCD) is a widely used flame retardant that has increasingly been found as contaminant in the aquatic environment. This study aimed to investigate the molecular response of gill of clam, Venerupis philippinarum, to environmental stress HBCD by identification of transcripts involved in immune and detoxification defense. Genomic analysis was made applying suppression subtractive hybridization (SSH) method to identify differentially expressed genes during HBCD exposure and transcripts were clustered to 11 and 9 functional categories from forward and backward subtracted library, respectively. Nine genes of interest were analyzed using quantitative real-time PCR at 3 days and 10 days post-exposure to HBCD at three concentrations (0.086, 0.86 and 8.6 mu g/L). This study provides information for the characterization of potential molecular biomarkers that may be used in future environmental monitoring and to investigate new mechanisms of stress to HBCD in this commercially important marine species. (C) 2013 Elsevier B.V. All rights reserved.
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