Welcome to the Department of Biology

Department of Biology at Illinois State University
Department of Biology
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Dr. Ryan Paitz

Assistant Professor of Endocrinology
  • BIOGRAPHY
  • I am a comparative physiologist interested in how vertebrate embryos regulate their exposure to maternal steroids and environmental chemicals.
  • CURRENT COURSES
  • BSC 499.Sec 027 Independent Research For The Master's Thesis
  • BSC 290.Sec 050 Research In Biological Sciences
  • TEACHING INTERESTS
  • Endocrinology, Comparative Physiology, Developmental Biology, Embryology
  • RESEARCH INTERESTS
  • Embryonic development, steroid metabolism, maternal effects, steroids, endocrine disruption
  • Ph D Biological Sciences - 2010
  • Illinois State University
  • Normal, IL
  • BS Genetics - 2003
  • Iowa State University
  • Ames, IA
  • SELECTED PUBLICATIONS
  • Merrill, L., Chiavacci, S. J., Paitz, R. T., & Benson, T. J. (2017). Rates of parasitism, but not allocation of egg resources, vary among and within hosts of a generalist avian brood parasite. Oecologia, 1-12.
  • Carter, A. W., Bowden, R. M., & Paitz, R. T. (2017). Seasonal shifts in sex ratios are mediated by maternal effects and fluctuating incubation temperatures. Functional Ecology, 31(4), 876-884.
  • Bensky, M. K., Paitz, R., Pereira, L., & Bell, A. M. (2017). Testing the predictions of coping styles theory in threespined sticklebacks. Behavioural processes, 136, 1-10.
  • Paitz, R. T., Duffield, K. R., & Bowden, R. M. (2017). Characterizing the distribution of steroid sulfatase during embryonic development: when and where might metabolites of maternal steroids be reactivated?. Journal of Experimental Biology, 220(24), 4567-4570.
  • Carter, A. W., R. T. Paitz, K. E. McGhee, and R. M. Bowden. 2016. Turtle hatchlings show behavioral types that are robust to developmental manipulations. Physiology & Behavior 155:46-55.
  • Holgersson, M. C. N., W. A. Nichols, R. T. Paitz, and R. M. Bowden. 2016. How important is the eggshell as a source for initial acquisition of Salmonella in hatchling turtles? Journal of Experimental Zoology Part A: Ecological Genetics and Physiology 325A:142-148.
  • Paitz, R. T. and R. M. Bowden. 2015. The in ovo conversion of oestrone to oestrone sulfate is rapid and subject to inhibition by Bisphenol A. Biology Letters 11:20140946.
  • PRESENTATIONS
  • FUNDED GRANTS