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Christopher J. Martyniuk

Associate ProfessorMartyniukChris_200px

Center for Environmental and Human Toxicology &
Department of Physiological Sciences
2187 Mowry Road, Bldg 471
PO Box 110885
Gainesville, FL 32611
Office: 352-294-4636
Fax: 352-392-4707


  • PhD Biology, University of Ottawa, Ottawa, ON, CAN, 2006
  • MSc Zoology, University of Guelph, Guelph, ON, CAN, 2001
  • BSc Biology, Simon Fraser University, Burnaby, BC, CAN, 1996

Courses Taught in College of Veterinary Medicine

  • VME 6603 Advanced Toxicology (Fall)
  • VEM 5176 Poisonous Plants (Spring)
  • VEM 5172 Veterinary Toxicology (Fall)

Recent Honors and Awards

  • 2013: The Gorbman – Bern New Independent Investigator Award. North American Society for Comparative Endocrinology
  • 2013: Canadian Society of Zoology, Bob Boutilier New Investigator Award
  • 2010: UNB Harrison-McCain Young Researcher Award
  • 2008: ThermoElectron-ABRF 2008 Outstanding Scientist/Technologists Awardees
  • 2007: Finalist for top Ph.D. thesis in Canada (Canadian Society of Zoology)

Research Interests

aquatic toxicology, sex steroids, neuroendocrinology, gamma-aminobutyric acid, transcriptomics, proteomics, reproduction, fish biology

Current Projects


  • Mechanisms of intersex and sex differentiation in rainbow darter (P Bahamonde, PhD)
  • In vitro methods in largemouth bass for sediment screening (D. Dreier, PhD candidate)
  • Effects of polycyclic aromatic hydrocarbons on the reproductive axis (J Loughery, PhD candidate)
  • Molecular biomarkers for environmental assessments for selenium in trout (R. Kan, MSc candidate)

Human Health

  • Pesticide effects on GABAergic and dopaminergic signaling systems in zebrafish (A. Cowie, MSc candidate)
  • Natural product screening for angiogenesis in zebrafish (K. Sarty, MSc candidate)

Recent Research Articles

  • Colli-Dula CR, Martyniuk CJ, Kroll KJ, Prucha MS, Kozuch M, Barber DS, Denslow ND. 2014. Dietary exposure of 17-alpha ethinylestradiol modulates physiological endpoints and gene signaling pathways in female largemouth bass (Micropterus salmoides). Aquatic Tox. In press
  • Zhang J, Carnduff L, Norman G, Josey T, Wang Y, Sawyer TW, Martyniuk CJ, Langlois VS. 2014. Transcriptional Profiling in Rat Hair Follicles following Simulated Blast Insult: A New Diagnostic Tool for Traumatic Brain Injury. PLoS One. 9(8):e104518.
  • Marlatt VL, Sun J, Curran CA, Bailey HC, Kennedy CK, Elphick JR, Martyniuk CJ. 2014. Molecular responses to 17β-estradiol in early life stage salmonids. Gen Comp Endocrinol. In press.
  • Richter CA, Martyniuk CJ, Annis ML, Brumbaugh WG, Chasar LC, Denslow ND, Tillitt DE. 2014 Methylmercury-induced changes in gene transcription associated with neuroendocrine disruption in largemouth bass (Micropterus salmoides). Gen Comp Endocrinol. In press.
  • Liang X, Martyniuk CJ, Cheng G, Zha J, Wang Z. 2014. Pyruvate carboxylase as a sensitive protein biomarker for exogenous steroid chemicals. Environ Pollut.189:184-93.
  • Bissegger S, Martyniuk CJ, Langlois V. 2014. Transcriptomic profiling in Silurana tropicalis testes exposed to finasteride. Gen Comp Endocrinol. doi: 10.1016/j.ygcen.2014.01.018.
  • León-Olea M, Martyniuk CJ, Orlando EF, Ottinger MA, Rosenfeld C, Wolstenholme J, Trudeau VL. 2014. Current Concepts in Neuroendocrine Disruption. Gen Comp Endocrinol. In press.
  • Bahamonde PA, Tetreault GR, McMaster ME, Servos MR, Martyniuk CJ, Munkittrick KR. 2014. Molecular signatures in rainbow darter (Etheostoma caeruleum) inhabiting an urbanized river reach receiving wastewater effluents. Aquat Toxicol.148C:211-220.
  • Mennigen JA, Martyniuk CJ, Seiliez I, Panserat S, Skiba-Cassy S. 2014. Metabolic consequences of microRNA-122 inhibition in rainbow trout, Oncorhynchus mykiss. BMC Genomics. 15(1):70.
  • Mathieu-Denoncourt J, Martyniuk CJ, de Solla SR, Balakrishnan VK, Langlois VS. 2014. Sediment Contaminated with the Azo Dye Disperse Yellow 7 Alters Cellular Stress- and Androgen-Related Transcription in Silurana tropicalis Larvae. Environ Sci Technol. 48(5):2952-61.
  • Liang X, Li W, Martyniuk CJ, Zha J, Wang Z, Cheng G, Giesy JP. 2014. Effects of dechlorane plus on the hepatic proteome of juvenile Chinese sturgeon (Acipenser sinensis). Aquat Toxicol 148C:83-91.
  • Chishti YZ, Feswick A, Martyniuk CJ. 2014. Progesterone increases ex vivo testosterone production and decreases the expression of progestin receptors and steroidogenic enzymes in the fathead minnow (Pimephales promelas) ovary. Gen Comp Endocrinol. 199C:16-25.
  • Feswick A, Ings JS, Doyle MA, Bosker T, Munkittrick KR, Martyniuk CJ. 2014. Transcriptomics profiling and steroid production in mummichog (Fundulus heteroclitus) testes after treatment with 5α-dihydrotestosterone. Gen Comp Endocrinol. In press.

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