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Adria Elskus

If you need to locate a faculty member with knowledge about particular functions of SMS (e.g., graduate admissions), you can find them on the list of current faculty committees.

Adria Elskus

Contact Information

Adria Elskus


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321 Murray Hall
Orono, ME  04469


PhD Biology Boston University Marine Program, MS Biological Oceanography, AB Biochemistry

Research interests

My research focuses on the fate and effects of contaminants in aquatic ecosystems, adaptation to environmental contaminants, and the effects of multiple stressors on survival, reproduction and physiological processes in fish.


  • Holliday, D.K., Elskus, A.A., Roosenburg, W.M. (2009) Impacts of multiple stressors on growth and metabolic rate of Malaclemys terrapin. Environmental Toxicology and Chemistry 28 (2); in press.
  • Holliday, D.K., Roosenburg, W.M., Elskus, A.A. (2008) Spatial variation in polycyclic aromatic hydrocarbon concentrations in eggs of diamondback terrapins, Malaclemys terrapin, from the Patuxent River, Maryland. Bulletin of Environmental Contamination and Toxicology 80(2):119-122.
  • Arzuaga, X., Wassenburg, D., Di Giulio, R., Elskus, A.A. (2006) The chlorinated AHR ligand 3,3’,4,4’,5-pentachlorobiphenyl (PCB126) promotes reactive oxygen species (ROS) production during embryonic development in the killifish (Fundulus heteroclitus). Aquatic Toxicology 76(1):13-23.
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    Wheelock, C.E., Eder, K., Werner, I., Huang, H., Jones, P.D., Brammell, B.F., Elskus, A.A., Hammock, B.D. Individual variability in esterase activity and CYP1A levels in Chinook salmon (Oncorhynchus tshawytscha) exposed to esfenvalerate and chlorpyrifos. Aquatic Toxicology 74:172-192.

  • Elskus, A.A., Collier, T.K., Monosson, E. (2005)Chapter 4. Interactions among lipids and persistent organic pollutants (POPs) in fish. In: Biochemistry and Molecular Biology of Fishes, Volume 6. Environmental Toxicology. T.P. Mommsen and T.W. Moon, Eds. Elsevier Science, St. Louis.

  • Brammell, B.F., Price, D.J., Birge, W.J., Elskus, A.A. (2004) Apparent lack of CYP1A1 response to high PCB body burdens in fish from a chronically contaminated PCB site. Marine Environmental Research 58: 251-255

  • Elskus, A.A. (2004) Estradiol and estriol suppress CYP1A1 expression in rainbow trout hepatocytes. Marine Environmental Research 58:463-467.

  • Arzuaga, X., Calcaño, W., and Elskus, A.A. (2004) The DNA de-methylating agent 5-azacytidine does not restore CYP1A1 induction in PCB resistant Newark Bay killifish (Fundulus heteroclitus). Marine Environmental Research 58: 517-520.

  • Rohr, J.R., Elskus, A.A., Shepherd, B.S., Crowley, P.H., McCarthy, T.M., Niedzwiecki, J.H., Sager, T., Sih, A. and Palmer, B.D. (2004) Multiple stressors and streamside salamanders: Effects of the herbicide atrazine and food limitation. Ecological Applications 14 (4):1028-1040.

  • McArdle, M.E., McElroy, A.E and Elskus, A.A. (2004) CYP1A, CYP3A and estradiol 2-hydroxylase in fish exposed to organic pollutants and sewage effluent. Environmental Toxicology and Chemistry 23(4):953-959.

  • Rohr, J.R., Elskus, A.A., Shepherd, B.S., Crowley, P.H., McCarthy, T.M., Niedzwiecki, J.H., Sih, A. and Palmer, B.D. (2003). Lethal and sublethal effects of atrazine, carbaryl, endosulfan, and octylphenol on the streamside salamander, Ambystoma barbouri. Environmental Toxicology and Chemistry 22(10): 2385-2392.

  • Monosson, E, Ashley, J.T.F, McElroy, A.E., Woltering, D. and. Elskus, A.A., (2003). PCB congener distributions in muscle, liver and gonad of Fundulus heteroclitus from the lower Hudson River Estuary and Newark Bay. Chemosphere 52:777-787.

  • Arzuaga, X. and Elskus, A.A. (2002) Evidence for resistance to benzo[a]pyrene and 3,4,3Â’4Â’-tetrachlorobiphenyl in a chronically polluted Fundulus heteroclitus population. Marine Environmental Research 54:247-251.

  • Todorov, J.R., Elskus, A.A., Schlenk, D., Ferguson, P.L. Brownawell, B.J. and McElroy, A.E. (2002) Estrogenic responses of larval sunshine bass (Morone saxatilis x M. chrysops) exposed to New York City sewage effluent. Marine Environmental Research 54: 691-695

  • National Research Council (2002) A Century of Ecosystem Science: Planning Long-Term Research for the Gulf of Alaska. National Academy Press, Washington, D.C. (one of 12 authors)

  • Elskus, A.A. (2001) Toxicant resistance in wildlife: fish populations. In PCB: recent advances in environmental toxicology and health effects. L.W. Robertson and L.G. Hansen, Editors. University Press of Kentucky. pp. 273-276.

  • Fay, A.A., Brownawell, B., Elskus, A.A., and McElroy, A.E. (2000) Critical body residues in Ampleisca abdita: sediment exposures to organic contaminants. Environmental Toxicology and Chemistry 19 (4):1028-1035.

  • McArdle, M., Elskus, A., McElroy, A, Larsen, B., Benson, W. and Schlenk, D. (2000) Estrogenic and CYP1A1 response of mummichogs and sunshine bass to sewage effluent. Marine Environmental Research 50(1-5):175-180.

  • Elskus, A.A., Monosson, E., McElroy, A.E., Stegeman, J.J. and Woltering, D.S. (1999) Altered CYP1A1 expression in Fundulus heteroclitus adults and larvae: a sign of pollutant resistance? Aquatic Toxicology 45:99-113.

  • Ackland, J.F., Knox, K.L., Elskus, A.A., Fallest, P.C., Hiatt, E.S. and Schwartz, N.B. (1995) Use of an in vitro perifusion system to study the effects of pulsatile hormone administration on the control of the hypothalamic-pituitary-ovarian axis. In Methods in Neuroscience, Academic Press, New York.

  • Elskus, A.A., Phelps, A.F. and Schwartz, N.B. (1995) Acute sex differences in serum LH levels in gonadectomized rats: Investigation of pituitary response to GnRH pulse frequency and prolactin secretion as etiological agents. Neuroendocrinology 61, 301-309.

  • Elskus, A.A., and Schwartz, N.B. (1995) Pituitary and hypothalamic regulation of sex differences in serum-luteinizing hormone levels in gonadectomized rats: In vitro perifusion studies. Recent Progress in Hormone Research 50, 397-401.

  • Elskus, A.A., Stegeman, J.J., Gooch, J.W., Black, D.E. and Pruell, R.J. (1994) Polychlorinated biphenyl congener distributions in winter flounder as related to gender, spawning site, and congener metabolism. Environ. Sci. Technol. 28, 401-407.

  • Elskus, A.A., Pruell, R.J. and Stegeman, J.J. (1992) Endogenously-mediated, pretranslational suppression of cytochrome P450IA expression in PCB-contaminated flounder. Mar. Environ. Res. 34, 97-101.

  • Elskus, A.A., Stegeman, J.J., Susani, L.S., Black, D., Pruell, R.J. and Fluck, S.J. (1989). Polychlorinated biphenyls concentration and cytochrome P-450E expression in winter flounder from contaminated environments. Mar. Environ. Res. 28, 25-30.

  • Elskus, A.A. and Stegeman, J.J. (1989) Further consideration of phenobarbital effects on cytochrome P450 activity in the killifish, Fundulus heteroclitus. Comp. Biochem. Physiol. 92C, 223-30.

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