4.5 Review

The biology of environmental stress: molecular biomarkers in Sydney rock oysters (Saccostrea glomerata)

Journal

ENVIRONMENTAL SCIENCE-PROCESSES & IMPACTS
Volume 18, Issue 9, Pages 1129-1139

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6em00322b

Keywords

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Funding

  1. Endeavour International Postgraduate Research or Macquarie University Research Excellence Scholarships at Macquarie University
  2. Fundacao para a Ciencia e a Tecnologia, Portugal [SFRH/BPD/44566/, PEst-OE/MAR/UI0199/2011]
  3. Australian Research Council
  4. Industrial Transformation Training Centre [DP120101946, LP0991037, IC130100009]
  5. NSW Environmental Trust
  6. Thyne-Reid Doctoral Fellowship from the Sydney Institute of Marine Science
  7. Australian Research Council [LP0991037, IC130100009] Funding Source: Australian Research Council

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This review describes our recent work on environmental stress in Sydney rock oysters, focusing on the identification of molecular biomarkers for ecotoxicological analysis. We begin by describing the environmental pressures facing coastal estuaries in Australia, with particular reference to Sydney Harbour. After providing that context, we summarise our transcriptional and proteomic analyses of Sydney rock oysters responding to chemical contamination and other forms of environmental stress. This work has shown that the intracellular processes of oysters are highly responsive to environmental threats. Our data agree with the broader literature, which suggests that there is a highly conserved intracellular stress response in oysters involving a limited number of biological processes. We conclude that many effective molecular markers for environmental biomonitoring are likely to lie within these biological pathways.

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