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Genomic and physiological footprint of the Deepwater Horizon oil spill on resident marsh fishes
Whitehead, A.; Dubansky, B.; Bodinier, C.; Garcia, T.I.; Miles, S.; Pilley, C.; Raghunathan, V.; Roach, J.L.; Walker, N.; Walter, R.B.; Rice, C.D.; Galvez, F. (2012). Genomic and physiological footprint of the Deepwater Horizon oil spill on resident marsh fishes. Proc. Natl. Acad. Sci. U.S.A. 109(50): 20298-20302.
In: Proceedings of the National Academy of Sciences of the United States of America. The Academy: Washington, D.C.. ISSN 0027-8424, more
Peer reviewed article  

Available in Authors 

Author keywords
    ecological genomics ecotoxicology microarray RNA-seq toxicogenomics

Authors  Top 
  • Whitehead, A.
  • Dubansky, B.
  • Bodinier, C.
  • Garcia, T.I.
  • Miles, S.
  • Pilley, C.
  • Raghunathan, V.
  • Roach, J.L.
  • Walker, N.
  • Walter, R.B.
  • Rice, C.D.
  • Galvez, F.

    The biological consequences of the Deepwater Horizon oil spill are unknown, especially for resident organisms. Here, we report results from a field study tracking the effects of contaminating oil across space and time in resident killifish during the first 4 mo of the spill event. Remote sensing and analytical chemistry identified exposures, which were linked to effects in fish characterized by genome expression and associated gill immunohistochemistry, despite very low concentrations of hydrocarbons remaining in water and tissues. Divergence in genome expression coincides with contaminating oil and is consistent with genome responses that are predictive of exposure to hydrocarbon-like chemicals and indicative of physiological and reproductive impairment. Oil-contaminated waters are also associated with aberrant protein expression in gill tissues of larval and adult fish. These data suggest that heavily weathered crude oil from the spill imparts significant biological impacts in sensitive Louisiana marshes, some of which remain for over 2 mo following initial exposures.

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