Ryan T Paitz

Summary

Affiliation: Illinois State University
Country: USA

Publications

  1. pmc Stickleback embryos use ATP-binding cassette transporters as a buffer against exposure to maternally derived cortisol
    Ryan T Paitz
    School of Integrative Biology, University of Illinois, Urbana, IL 61801, USA School of Biological Sciences, Illinois State University, Campus Box 4120, Normal, IL 61790, USA
    Proc Biol Sci 283:20152838. 2016
  2. pmc The in ovo conversion of oestrone to oestrone sulfate is rapid and subject to inhibition by Bisphenol A
    Ryan T Paitz
    School of Biological Sciences, Illinois State University, Campus Box 4120, Normal, IL 61790 4120, USA
    Biol Lett 11:20140946. 2015
  3. doi request reprint Characterizing the metabolism and movement of yolk estradiol during embryonic development in the red-eared slider (Trachemys scripta)
    Ryan T Paitz
    School of Biological Sciences, Campus Box 4120, Illinois State University, Normal, IL 61790 4120, USA
    Gen Comp Endocrinol 176:507-12. 2012
  4. doi request reprint The decline in yolk progesterone concentrations during incubation is dependent on embryonic development in the European starling
    Ryan T Paitz
    School of Biological Sciences, Campus Box 4120, Illinois State University, Normal, IL 61790 4120, USA
    Gen Comp Endocrinol 176:415-9. 2012
  5. doi request reprint Rapid decline in the concentrations of three yolk steroids during development: is it embryonic regulation?
    Ryan T Paitz
    School of Biological Sciences, Illinois State University, Normal, IL 61790 4120, USA
    Gen Comp Endocrinol 161:246-51. 2009
  6. doi request reprint Temperature, phenotype, and the evolution of temperature-dependent sex determination: how do natural incubations compare to laboratory incubations?
    Ryan T Paitz
    School of Biological Sciences, Illinois State University, Normal, Illinois, USA
    J Exp Zool B Mol Dev Evol 314:86-93. 2010
  7. doi request reprint Progesterone metabolites, "xenobiotic-sensing" nuclear receptors, and the metabolism of maternal steroids
    Ryan T Paitz
    School of Biological Sciences, Campus Box 4120, Illinois State University, Normal, IL 61790 4120, USA
    Gen Comp Endocrinol 166:217-21. 2010
  8. pmc Embryonic modulation of maternal steroids in European starlings (Sturnus vulgaris)
    Ryan T Paitz
    School of Biological Sciences, Illinois State University, Normal, IL 61790, USA
    Proc Biol Sci 278:99-106. 2011
  9. pmc Biological activity of oestradiol sulphate in an oviparous amniote: implications for maternal steroid effects
    Ryan T Paitz
    School of Biological Sciences, Illinois State University, Normal, IL 61790, USA
    Proc Biol Sci 278:2005-10. 2011
  10. doi request reprint Sulfonation of maternal steroids is a conserved metabolic pathway in vertebrates
    Ryan T Paitz
    School of Biological Sciences, Campus Box 4120, Illinois State University, Normal, IL 61790 4120, USA
    Integr Comp Biol 53:895-901. 2013

Collaborators

Detail Information

Publications22

  1. pmc Stickleback embryos use ATP-binding cassette transporters as a buffer against exposure to maternally derived cortisol
    Ryan T Paitz
    School of Integrative Biology, University of Illinois, Urbana, IL 61801, USA School of Biological Sciences, Illinois State University, Campus Box 4120, Normal, IL 61790, USA
    Proc Biol Sci 283:20152838. 2016
    ....
  2. pmc The in ovo conversion of oestrone to oestrone sulfate is rapid and subject to inhibition by Bisphenol A
    Ryan T Paitz
    School of Biological Sciences, Illinois State University, Campus Box 4120, Normal, IL 61790 4120, USA
    Biol Lett 11:20140946. 2015
    ..Taken together, these findings highlight the dynamic nature of the early endocrine environment in developing vertebrates. ..
  3. doi request reprint Characterizing the metabolism and movement of yolk estradiol during embryonic development in the red-eared slider (Trachemys scripta)
    Ryan T Paitz
    School of Biological Sciences, Campus Box 4120, Illinois State University, Normal, IL 61790 4120, USA
    Gen Comp Endocrinol 176:507-12. 2012
    ..Our findings have important implications for studies investigating the effect of maternally derived steroids on offspring development...
  4. doi request reprint The decline in yolk progesterone concentrations during incubation is dependent on embryonic development in the European starling
    Ryan T Paitz
    School of Biological Sciences, Campus Box 4120, Illinois State University, Normal, IL 61790 4120, USA
    Gen Comp Endocrinol 176:415-9. 2012
    ....
  5. doi request reprint Rapid decline in the concentrations of three yolk steroids during development: is it embryonic regulation?
    Ryan T Paitz
    School of Biological Sciences, Illinois State University, Normal, IL 61790 4120, USA
    Gen Comp Endocrinol 161:246-51. 2009
    ....
  6. doi request reprint Temperature, phenotype, and the evolution of temperature-dependent sex determination: how do natural incubations compare to laboratory incubations?
    Ryan T Paitz
    School of Biological Sciences, Illinois State University, Normal, Illinois, USA
    J Exp Zool B Mol Dev Evol 314:86-93. 2010
    ..Thus, it may be necessary to use natural incubation conditions to accurately examine how offspring sex relates to other phenotypic parameters if we are to understand the evolution of this sex determining mechanism...
  7. doi request reprint Progesterone metabolites, "xenobiotic-sensing" nuclear receptors, and the metabolism of maternal steroids
    Ryan T Paitz
    School of Biological Sciences, Campus Box 4120, Illinois State University, Normal, IL 61790 4120, USA
    Gen Comp Endocrinol 166:217-21. 2010
    ..We propose that xenobiotic-sensing nuclear receptors initially evolved to buffer the developing embryo from the potentially adverse effects of various maternal steroids on sexual differentiation...
  8. pmc Embryonic modulation of maternal steroids in European starlings (Sturnus vulgaris)
    Ryan T Paitz
    School of Biological Sciences, Illinois State University, Normal, IL 61790, USA
    Proc Biol Sci 278:99-106. 2011
    ..Embryonic regulation must be considered when addressing the evolutionary consequences of maternal steroids in eggs...
  9. pmc Biological activity of oestradiol sulphate in an oviparous amniote: implications for maternal steroid effects
    Ryan T Paitz
    School of Biological Sciences, Illinois State University, Normal, IL 61790, USA
    Proc Biol Sci 278:2005-10. 2011
    ..These data demonstrate that oviparous amniotes can both sulphonate steroids and respond to sulphonated steroids during embryonic development in a manner similar to placental amniotes...
  10. doi request reprint Sulfonation of maternal steroids is a conserved metabolic pathway in vertebrates
    Ryan T Paitz
    School of Biological Sciences, Campus Box 4120, Illinois State University, Normal, IL 61790 4120, USA
    Integr Comp Biol 53:895-901. 2013
    ..These data suggest that steroid sulfates, both those that are maternally derived and those resulting from the metabolism of maternal steroids, are a key component of the mechanism underlying steroid-mediated maternal effects. ..
  11. doi request reprint Living at extremes: development at the edges of viable temperature under constant and fluctuating conditions
    Heather L Les
    School of Biological Sciences, Behavior, Ecology, Evolution, and Systematics Section, Illinois State University, Normal, Illinois 61790, USA
    Physiol Biochem Zool 82:105-12. 2009
    ....
  12. pmc In ovo inhibition of steroid metabolism by bisphenol-A as a potential mechanism of endocrine disruption
    Sandrine G Clairardin
    School of Biological Sciences, Illinois State University, Campus Box 4120, Normal, IL 61790 4120, USA
    Proc Biol Sci 280:20131773. 2013
    ..The retention of oestrogens at points of development when they would normally be metabolized to inactive forms might also help explain low-dose effects frequently reported for EDCs. ..
  13. doi request reprint Humoral immune responses are maintained with age in a long-lived ectotherm, the red-eared slider turtle
    Laura M Zimmerman
    School of Biological Sciences, Illinois State University, Normal, IL 61790, USA
    J Exp Biol 216:633-40. 2013
    ..Overall, this demonstrates that a taxon's immune strategy can influence how the immune system is affected by age...
  14. ncbi request reprint Experimental test of the effects of fluctuating incubation temperatures on hatchling phenotype
    Heather L Les
    Behavior, Ecology, Evolution, and Systematics Section, Department of Biological Sciences, Illinois State University, Normal, Illinois 61790, USA
    J Exp Zool A Ecol Genet Physiol 307:274-80. 2007
    ..The fluctuating regime did produce a higher proportion of females, but also resulted in increased developmental time and increased hatchling mass, indicating that fluctuating temperatures produce complex effects on hatchling phenotype...
  15. doi request reprint The ontogeny of postmaturation resource allocation in turtles
    R M Bowden
    School of Biological Sciences, Illinois State University, Normal, IL, USA
    Physiol Biochem Zool 84:204-11. 2011
    ..We conclude that resource-allocation patterns do vary with age in a long-lived ectotherm...
  16. doi request reprint No evidence that estrogens affect the development of the immune system in the red-eared slider turtle, Trachemys scripta
    Laura M Zimmerman
    School of Biological Sciences, Illinois State University, Normal, IL 61790 4120, USA
    Horm Behav 62:331-6. 2012
    ..Our results suggest that maternally derived estradiol does not affect the development of the immune system in T. scripta...
  17. ncbi request reprint Age and season impact resource allocation to eggs and nesting behavior in the painted turtle
    Heidi K Harms
    Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, IA, 50011, USA
    Physiol Biochem Zool 78:996-1004. 2005
    ..Our results indicate that trade-offs involving resource allocation and nesting behavior do occur both seasonally and with age, suggesting ontogenetic variation in life-history strategies in this long-lived organism...
  18. doi request reprint A modified yolk biopsy technique improves survivorship of turtle eggs
    Rachel M Bowden
    School of Biological Sciences, Behavior, Ecology, Evolution and Systematics Section, Illinois State University, Normal, Illinois 61790, USA
    Physiol Biochem Zool 82:611-15. 2009
    ..By elevating survival to a level on par with other oviparous taxa, this method permits a more thorough exploration of reptilian egg physiology and allows for studies that examine traits in both the egg and the resulting hatchling...
  19. doi request reprint How important is the eggshell as a source for initial acquisition of Salmonella in hatchling turtles?
    Mikael C N Holgersson
    School of Biological Sciences, Illinois State University, Normal, Illinois
    J Exp Zool A Ecol Genet Physiol 325:142-8. 2016
    ..Though it can also act as a barrier that prevents the bacteria from infecting the embryo prior to hatching these findings suggest that the eggshell is a likely source of Salmonella infection in turtle hatchlings...
  20. doi request reprint Variation in the seasonal patterns of innate and adaptive immunity in the red-eared slider (Trachemys scripta)
    Laura M Zimmerman
    School of Biological Sciences, Illinois State University, Normal, IL 61790 4120, USA
    J Exp Biol 213:1477-83. 2010
    ..This study demonstrates the highly dynamic nature of the reptilian immune system, and provides information on how biotic and abiotic factors influence the immune system of a long-lived ectotherm...
  21. doi request reprint Constancy in an inconstant world: moving beyond constant temperatures in the study of reptilian incubation
    Rachel M Bowden
    School of Biological Sciences, Campus Box 4120, Illinois State University, Normal, IL 61790 4120, USA School of Integrative Biology, 439 Morrill Hall, University of Illinois, Urbana, IL 61801, USA
    Integr Comp Biol 54:830-40. 2014
    ..By taking such an approach, it may be possible to predict more accurately how these thermally sensitive organisms will respond to environmental perturbations, including climatic change. ..
  22. doi request reprint A proposed role of the sulfotransferase/sulfatase pathway in modulating yolk steroid effects
    Ryan T Paitz
    Department of Biological Sciences, Campus Box 4120, Illinois State University, Normal, IL 61790 4120, USA
    Integr Comp Biol 48:419-27. 2008
    ....