Faculty Research Interests and Contact Information

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Faculty Degrees and Specializations UA Home Page

Click on a faculty members name for more information :

Dr. B. Bagatto Dr. L.Fraser Dr. M. Kory Dr. R. Londraville Dr. F. Moore Dr. D. Ott Dr. M. Turner
Dr. J. Duff Dr. J. Frola Dr. P. Lavrentyev Dr. A. Milsted Dr. P. Niewiarowski Dr. R. Salisbury Dr. S. Weeks
Dr. D. Ely Dr. J. Holda Dr. Q. Liu Dr. R. Mitchell Dr. S. Orcutt Dr. J. Stinner (Chair)  

Dr. Brian Bagatto   

Interest Areas:

  • Developmental physiology of vertebrates
  • Physiological variability in developing vertebrates
  • Environmental effects on developing vertebrates
  • Development of the cardiovascular system in vertebrates
  • Development of the catecholamine cascade in vertebrates
  • Evolution in developmental processes
Contact Information:

Selected References:

  • Bagatto, B., B. Pelster, and W.W. Burggren. 2001. Growth and metabolism of larval zebrafish: effects of swim training. Journal of Experimental Biology - in press.
  • Bagatto, B., D.A. Crossley, and W.W. Burggren. 2000. Physiological variability in neonatal armadillo quadruplets: within and between litter differences. Journal of Experimental Biology 203:1733-40.
  • Bagatto, B. and R.P. Henry. 2000. Bimodal respiration in two species of Central American turtles:  effects of forced submergence. Comparative Biochemistry and Physiology Part A 126(1):57-63.
  • Bagatto, B. and R.P. Henry. 1999. Aquatic gas exchange in the snapping turtle, Chelydra serpentina.Journal of Herpetology 33(3):490-492.
  • Bagatto, B. and R.P. Henry. 1999. Exercise and forced submergence in the pond slider (Trachemysscripta) and soft shell turtle (Apalone ferox): influence on bimodal gas exchange, diving behaviour, and blood acid-base status. Journal of Experimental Biology 202(3):267-278.
  • Bagatto, B., C. Guyer, B. Hauge, and R.P. Henry. 1997. Bimodal respiration in two species of Central American turtles, Staurotypus triporcatus and Kinosternon leucostomum. Copeia 1997(4):834-839.
 

Dr. R. Joel Duff  

Research Interests

  • Characterization of plant mitochondrial genomes
  • Land plant phylogeny 
  • Molecular evolution of ribosomal DNA genes in plants
  • Phylogenetics of Hornworts (Bryophyta)
Contact Information:

Selected References

  • Nickrent, D. L, Parkinson, J. D. Palmer, and R. J. Duff. 2000.  Multigene phylogeny of plants:  hornworts are basal and mosses are sister to liverworts. Molecular Biology Evolution. 17(12): 1885-1895.
  • Renzaglia, Karen, R. J. Duff, D. L. Nickrent, and D. Garabary. (2000). Vegetative and reproductive innovations of early land plants:  implications for a unified phylogeny.  Transactions of the Royal Society, London 355:769-793.
  • Duff, R.J. and D.L. Nickrent. 1999.  Phylogenetic relationships of land plants using mitochondrial small-subunit rDNA sequences.  American Journal of Botany 86: 372-386.
  • Wood, Andrew, R. J. Duff, and M. J. Oliver. 1999.  Expressed sequence tags (ESTs) from desiccated Tortula ruralis identify a large number of novel plant genes. Plant Cell Physiology 40(4): 361-368.
  • Nickrent, D. L., R. J. Duff, A. E. Colwell, A. D. Wolfe, N. D. Young, K. E. Steiner, and C. W. dePamphilis. 1998.  Molecular Phylogenetic and Evolutionary Studies of Parasitic Plants. Pp. 211-241 (Chapter 8) In: Molecular Systematics of Plants II.  DNA Sequencing.  D. Soltis, P. Soltis, J. Doyle (eds.).  Kluwer Academic Publishers, Boston, MA.
  • Duff, R. Joel., and D. L. Nickrent. 1997.  Characterization of mitochondrial small-subunit ribosomal RNAs from holoparastic plants. Journal Molecular Evolution 45: 531-539.
 

Dr. Dan Ely 

Interest Areas

  • Mechanisms of hypertension - neural, hormonal, and genetic
  • Stress physiology
  • Heart preservation studies for transplant
Contact Information:

Selected References

  • Velleman SG, McCormack RJ, Ely D, Jarrold BB, Patterson RA, Scott CB, Daneshvar H, Bacon WL. Collagen characteristics and organization during the progression of cholesterol-induced atherosclerosis in Japanese quail. Exp. Biol. Med. 226:328-333,2001.
  • Ely,D., Turner,M., Milsted,A. Review of the Y chromosome and hypertension. Braz. J. Biol. Res.33:679-691,2000.
  • Wiley,D. Dunphy,G. Daneshvar, H., Salisbury,R., Neeki,M., Ely, D. Neonatal sympathectomy reduces adult blood pressure and cardiovascular pathology in Y chromosome consomic rats. Blood Pressure 8:300-307,2000.
  • Valigora S, Li PK, Dunphy G, Turner M, Ely DL. Steroid sulfatase inhibitor alters blood pressure and steroid profiles in SHR, SHR/a, SHR/y and WKY rats J. Steroids and Biochem., 73:113-122,2000 .
  • Caplea,A., Seachrist,D., Dunphy,G., Ely,D. The SHR Y chromosome enhances the nocturnal blood pressure in socially interacting rats. Amer. J. Physiology Heart and Circ.279:H58-H66,2000.
  • Seachrist,D., Dunphy,G., Daneshvar,H., Caplea,A., Milsted, A., Ely,D. Testosterone increases blod pressure and cardiovascular and renal pathology in SHR. Blood Pressure 9:1-12, 2000.
  • Ely, D., Herman, M., Ely, L., Barrett, L., and Milsted, A.: Sodium intake is increased by social stress and the Y chromosome, and reduced by clonidine. Am. J. Physiol. 278:R407-R412, 2000.
 

Dr. Lauchlan Fraser 

Interest Areas

  • Restoration of wetlands
  • Plant diversity
  • Plant competition
  • Trophic dynamics
Contact Information:

Selected References

  • Keogh, T.A., Keddy, P. and Fraser, L.H. (1999)  Patterns of tree species richness in forested wetlands. Wetlands (in press).
  • Keddy, P. and Fraser, L.H. (1999) On the diversity of land plants.  Ecoscience (in press).
  • Fraser, L.H. and Grime, J.P. (1999) Interacting effects of herbivory and fertility on a synthesized plant community. Journal of Ecology 87: 514-525.
  • Keddy, P., Fraser, L.H. and Wisheu, I.C. (1998) A comparative approach to investigate competitive response of 48 wetland plant species. Journal of Vegetation Science 9:777-786.
  • Fraser, L. H. 1998. Top-down vs. bottom-up control influenced by productivity in a North Derbyshire dale.  Oikos 81: 99-108.
  • Fraser, L.H. and Keddy, P. 1997. The role of experimental microcosms in ecological research. Trends in Ecology and Evolution 12: 478-481.
 

Dr. Jim Holda 

Interest Areas:

  • Transplant immunology.
  • Cell-mediated immunology.
  • Investigation of autoimmune diseases.
  • Characterization of suppressive cells.
Contact Information:

Selected References:

  • Holda, J.H. LPS activation of bone marrow natural suppressor cells. Cellular Immonol. 141, 518-527, 1992.
  • Holda, J.H., Maier, T., Claman, H.N. IL-3, IL-4 and IL-6 enhance IFN-g dependent bone marrow natural suppressor activity. Cellular Immunol. 125, 459-468, 1990.
  • Maier, T., Holda, J.H., Claman, H.N. Murine natural suppressor (NS) cells in the newborn, in bone marrow, and after cyclophosphamide: Genetic variations and dependence on IFN-g. J. Immunol. 143: 491-498, 1989.
 

Dr. Martha Kory

Interest Areas:

  • Medical bacteriology - mechanisms of pathogenicity.
  • Phenotypic and genotypic characterization of bacteriophages of medically significant bacteria.
  • General bacteriology.
Contact Information:

Selected References:

  • Tallant, T.C., Stupi, R.J., Kory, M.M. Identification and characterization of two Actinomycetes which degrade p-chlorophenol. Submitted to Can. J. Microbiology, June 1993. Being resubmitted as: Tallant, T.C. and Kory, M.M. Identification of two Gram positive bacteria which degrade p-chlorophenol.
  • Huynh, T.D., Kory, M.M. The seasonal distribution of some bacteriophages in the Akron sewage treatment plant. Ohio J. Sci. 93:48-50, 1993.
  • Kramer, C.M., Kory, M.M. Bacteria that degrade p-chlorophenol isolated from a continuous culture system. Can. J. Microbiol. 38:34-37, 1992.
 

Dr. Peter Lavrentyev

Interest Areas

  • Marine and freshwater microbial food webs
  • Trophic cascades
  • Nutrient dynamics
Contact Information:

Selected References

  • Gardner, W.S., Yang, L., Cotner, J.B., Johengen, T.H., and Lavrentyev, P.J. 2001. Nitrogen dynamics in sandy freshwater sediments (Saginaw Bay, Lake Huron). Journal of Great Lakes Research 27: 84-97

  • Lavrentyev, P.J., Gardner, W.S., and Yang, L. 2000. Effects of the zebra mussel on nitrogen cycling and the microbial community at the sediment-water interface.  Aquatic Microbial Ecology 21: 187-194

  • Gardner, W.S., Lavrentyev, P.J., Bootsma, H.A.,  Cavaletto, J.F., and Cotner, J.B.  2000.  Effects of natural light on nitrogen dynamics in diverse aquatic environments.  Archiv für Hydrobiologie Ergebnisse Limnologie 27: 64-73

  • Gardner, W.S., Cavaletto, J.F., Bootsma, H.A., Lavrentyev, P.J. and. Troncone, F.  1998.  Nitrogen cycling rates and light effects in tropical Lake Maracaibo, Venezuela.  Limnology and Oceanography 43: 1814-1825

  • Lavrentyev, P.J., Bootsma, H.A., Johengen, T.H., Cavaletto, J.F and Gardner, W.S. 1998. Microbial plankton response to resource limitation: Insights from the community structure and seston stoichiometry in Florida Bay, USA. Marine Ecology Progress Series 165: 45-57.

  • Lavrentyev, P.J., Gardner, W.S., and Johnson, J.R. 1997. Cascading trophic effects on aquatic nitrification: Experimental evidence and potential implications. Aquatic Microbial Ecology 13: 161-175.
 

Dr. Qin Liu

Interest Areas

  • Molecular mechanisms underlying development of vertebrate visual system

  • Functions of cell adhesion molecule cadherins in the development of vertebrate central nervous system

  • Anatomy and development of vertebrate central nervous system  

Contact Information:

Selected References

  • Liu, Q. and E. A. Debski. 1995. Origins of serotonin-like immunoreactivity in the optic tectum of Rana pipiens. J. Comp. Neurol. 352:280-296.

  • Liu, Q. and E. A. Debski. 1996. Optic nerve dependent changes in adult frog tectal phenotypes. J. Neurobiology. 29:517-534.

  • Liu , Q., K. L. Sanborn,  N. Cobb, P. A. Raymond, and J. A. Marrs. 1999a. R-cadherin expression in the developing and adult zebrafish visual system. J. Comp. Neurol. 410:303-319

  • Liu , Q., J. A. Marrs, and P. A. Raymond. 1999b. Spatial correspondence between R-cadherin expression domains and retinal ganglion cell axons in developing zebrafish. J. Comp. Neurol. 410:290-302.

  • Liu , Q., J. A. Marrs, J. C. Chuang and P. A. Raymond. 2001. R-cadherin expression in the zebrafish central nervous system and regulation by ventral midline signaling. Dev. Brain Res., in press.

  • Liu, Q., S.G. Babb, Z.M. Novince, J.A. Marrs, and P.A. Raymond. 2001. Differential expression of cadherin-2 and cadherin-4 in the developing zebrafish visual system. Vis. Neurosci., in press.

 

Dr. Rich Londraville

Interest Areas:

  • Fat metabolism in lower vertebrates (fish)
  • Calcium cycling proteins, leptin
  • Temperature's effects on protein function
Contact Information:

Selected References:

  • Tschantz, D.R., E.L. Crockett, P.H. Niewiarowski, and R.L. Londraville. 2002. Cold acclimation strategy is highly variable among the sunfishes (Centrarchidae) Physiol. Biochem. Zool. 75:544-556.
  • R. L. Londraville and C.S. Duvall. 2002. Murine leptin injections increase intracellular fat metabolism in green sunfish (Lepomis cyanellus) Gen. and Comp Endocrin. 129:56-62.
  • Liu Q., R.L. Londraville, E. Azodi, S.G. Babb, C. Chiappini, J.A. Marrs, and P. A. Raymond. 2002. Up-Regulation of Cadherin-2 and Cadherin-4 in Regenerating Visual Structures of Adult Zebrafish. Experimental Neurology 177:396-406
  • R.L. Londraville, T. D. Cramer, J.P.C. Franck, A. Tullis, and B.A. Block. 2000. Cloning of a neonatal calcium atpase isoform (SERCA 1B) from extraocular muscle of adult blue marlin (Makaira nigricans). Comp. Biochem. Physiol. B 127:223-233.
  • Johnson, R.M., T.M. Johnson, and R.L. Londraville. 2000. Evidence for leptin expression in fishes. J. Exp. Zool. 286(7):718-724
  • Niewiarowski, P.H., M.L. Balk, and R.L. Londraville. 2000. Murine leptin injection raises metabolic rate in an ectotherm. J. Exp. Biol. 203 (2):295-300
  • Crockett, E.L., R.L. Londraville, E.E. Wilkes, and M.C. Popesco. 1999.  Enzymes from energy metabolism and fatty acid-binding protein in gill tissues from temperate and Antarctic fishes. J. Exp. Zool. 284 (3):276-285
  • Franck, J.P.C., J. Morrissete, J.E. Keen, R.L. Londraville, M. Beamsley, B.A. Block. 1998. Cloning and characterization of fiber type specific ryanodine receptor isoforms in skeletal muscles of fish. Am. J. Physiol. 275:C401-C415.
 

Dr. Amy Milsted

Interest Areas:

  • Mechanisms regulating gene expression in hypertension: genomic imprinting in females.
  • The role of the Y chromosome in development and maintenance of hypertension.
  • Characterization of the SHR Y chromosome hypertension locus.
Contact Information:

Selected References

  • Neves, L.A.A., Santos, R.A.S., Khosla, M.C., and Milsted, A.: Angiotensin-(1-7) Increases levels of angiotensin II receptor subtype AT1 mRNA in vascular smooth muscle cells. Regulatory Peptides, in press, 2000
  • Ely, D., Turner, M., and Milsted, A.: Review of the Y chromosome and hypertension. Braz. J. Med. Biol. Res. 33:679-691.  2000.
  • Seachrist, D., Dunphy, G., Daneshvar, H., Caplea, A., Milsted, A., and Ely, D.: Testosterone increases blood pressure and cardiovascular and renal pathology in spontaneously hypertensive rats. Blood Pressure, 9:1-12, 2000
  • Ely, D., Herman, M., Ely, L., Barrett, L., and Milsted, A.: Sodium intake is increased by social stress and the Y chromosome, and reduced by clonidine. Am. J. Physiol. 278:R407-R412, 2000.
  • Milsted, A., Marcelo, M.C., Turner, M.E., and Ely, D.L.: Female WKY and SHR/y rats have the same genotype but different patterns of expression of renin and angiotensinogen. J. Hypertens. 16:823-828, 1998.
  • Jones, T.J., Dunphy, G., Milsted, A., and Ely, D.L: Testosterone effects on renal norepinephrine content and release in rats with different Y chromosomes. Hypertension 32:880-885, 1998.
  • Turner, M.E., Ely, D.L., Milsted, A.: The rat Y chromosome. Rat Genome 4:78-83, 1998.
 

Dr. Randy Mitchell

Interest Areas:

  • Plant-Pollinator interactions
  • Evolutionary Ecology
  • Conservation Biology
  • Foraging Behavior of Nectar Feeders
  • Effects of Population Size and Habitat Fragmentation
Contact Information:

Selected References:

  • Brown, BJ, RJ Mitchell, SA Graham. 2002. Competition for pollination between an invasive species (Purple loosestrife) and a native congener. Ecology 83:2238-2336.
  • Mitchell, RJ, DL Marshall. 1998. Nonrandom mating and sexual selection in a desert mustard: an experimental approach. American Journal of Botany. 85:48-55
  • Mitchell, RJ. 1997. Effects of pollen quantity on progeny vigor: evidence from the desert mustard Lesquerella fendleri. Evolution51:1679-1684.
  • Mitchell, RJ. 1994. Effects of floral traits, pollinator visitation and plant size on Ipomopsis aggregata fruit production. American Naturalist 143:870-889.
  • Mitchell, RJ. 1993. Adaptive significance of Ipomopsis aggregata nectar production: observation and experiment in the field. Evolution 47:25-35.
  • Mitchell, RJ & DR Marshall. 1995. Effects of pollen proximity on the stigma on paternal success in Lesquerella fendleri. American Journal of Botany 82:462-467.
  • Mitchell, RJ. 1994. Effects of floral traits, pollinator visitation and plant size on Ipomopsis aggregata fruit production. American Naturalist 143:870-889.
 

Dr. Francisco (Paco) Moore

Areas of Interest:

  • The evolutionary consequences of gene-gene interactions

  • Theoretical population genetics

  • Experimental evolution in bacteria

  • The interface between micro and macro evolution

  • The evolution of novelty
Contact Information:

Selected Publications:

  • Moore, Francisco B.-G., and D. E. Rozen, and R. E. Lenski. 2000. Pervasive compensation for deleterious mutations in experimental populations of E. coli. Proceedings of the Royal Society London B. 267: 515-522.

  • Whitlock, M. C., P. C. Phillips, F. B.-G. Moore and S. J. Tonsor. 1995. Multiple fitness peaks and epistasis. Annual Review of Ecology and Systematics 26: 601-629.

  • Moore, Francisco B.-G., and S. J. Tonsor. 1994. A simulation of Wright's shifting-balance process: migration and the three phases. Evolution 48: 69-80.

 

Dr. Peter Niewiarowski

Interest Areas:

  • Ecology and Population biology of reptiles.
  • Physiological ecology.
  • Evolution of life histories.
Contact Information:
Selected Publications:
  • Niewiarowski, P.H., M.L. Balk, and R.L. Londraville. 2000. Murine injection raises metabolic rate in an ectotherm. J. Exp. Biol.  203 (2):295-300.
  • Chazal, A.C. and Niewiarowski, P.H.  (1998).  An experimental test of the effects of clearcutting on the growth, survival and reproduction of the Mole Salamander, Ambystoma talpoideum.  In Press: Ecological Applications
  • Niewiarowski, P.H., and Dunham, A.E.  (1998).  Effects of Mortality Risk and Growth On A Model of Reproductive Effort: Why the Shine and Schwarzkopf Model is Not General.  Evolution 52: (4) 1236-1241.
  • Niewiarowski, P. H., Congdon, J. D., Dunham, A. E., Vitt, L. J. and Tinkle, D. W. 1997. Tales of Uta tails: effects of tail autotomy on subsequent survival and growth of free-ranging hatchling Uta stansburiana. Canadian Journal of Zoology 75:542-548.
  • Petraitis, P. P., Dunham, A. E., and Niewiarowski, P. H. 1996. Inferring multiple causality: The limitations of path analysis. Functional Ecology10: 421-431.
  • Niewiarowski, P. H. and Dunham, A. E. 1994. Evolution of reproductive effort in squamate reptiles: Costs, trade-offs, and assumptions reconsidered. Evolution 48(1): 137-145
  • Niewiarowski, P. H., and Roosenburg, W. M. 1993. Reciprocal transplant reveals sources of variation in growth rates of the lizard Sceloporus undulatus. Ecology 74:1992-2002.
 

Dr. Scott Orcutt

Interest Areas:

  • Vocalizations as reproductive isolating mechanisms in birds.
  • Hormonal control of avian reproductive behavior.
Contact Information:

Selected References

  • Stinner, J., Zarlinga, N., Orcutt, F.S., Jr. Overwintering behavior of adult bullfrogs, Rana catesbeiana, in Northeastern Ohio. Ohio J. Sci. 94:8-13, 1994.
  • Orcutt, F.S., Jr., Orcutt, A.B. Nesting and parental behavior in domestic common quail. Auk 93:135-141, 1976.
  • Buxton, J.R., Orcutt, F.S., Jr. Enzymes and electrolytes in the semen of Japanese quail. Poultry Sci. 54:1556-1566, 1975.
 

Dr. Don Ott

Interest Areas:

  • Role of the cytoskeleton in organelle Translocation in Vaucheria.
  • Molecular phylogeny of the genus Vaucheria.
  • Association of the parasitic rotifer, Proales, in Vaucheria.
Contact Information:

 

Selected References:

  • Wallace, R.L., D.W. Ott, S.L. Stiles, and C.K. Oldham-Ott. 2001. Bed and Breakfast: the parasitic life of Proales werneckii (Ploimida: Proalidae) within the alga Vaucheria (Xanthophyceae: Vaucheriales). Hydrobiologia 446/447:129-137.

  • Verb, R.G., M.L. Vis, D.W. Ott, & R.L. Wallace. 1999. New records of Vaucheria species  (Xanthophyceae) with associated Proales werneckii (Rotifera) from North America. Crytogamie Algologie 20(2):67-73.

  • Triemer, R.E. and D.W. Ott. 1990. Ultrastructure of Diplonema ambulator Larsen & Pattersen (Euglenozoa) and its relationship to Isonema. Eur. J. Protist. 25: 316–320.

  • Pulfer, S.K., D.W. Ott, D.J. Smith. 1997. Incorporation of Nitric-Oxide Releasing Cross-    linked Polyethyleneimine Microspheres into Vascular Grafts. J. of Biomed.  Materials Res. 37(2):182-186.

  • Chase, G. G., J. Steffen, and D. W. Ott. 1995. Microscopic Observation of Filter Cake Formation. Sep. Technol. 4:118-122.

  • Ott, Donald William. 1992. The Role of the Cytoskeleton in Organelle Translocation in Vaucheria longicaulis. In: The Cytoskeleton of the Algae, Menzel, D., Ed. CRC Press, Boca Raton, Fl., pp. 255-272.

 

Dr. Ron Salisbury

Interest Areas:

  • Sexual differentiation of nervous system
  • Reproductive biology
  • Developmental endocrinology.
Contact Information:

 

Selected References:

  • Jenkins, C., R. Salisbury, D. Ely. 1994. Castration lowers and testosterone restores blood pressure in several rat strains on high sodium diets. Clin. and Experimental Hypertension 16:611-625.
  • Ely, D., J. Falvo, G. Dunphy, A. Caplea, R. Salisbury, M. Turner. 1994. The spontaneously hypertensive rat Y chromosome produces an early testosterone rise in normotensive rats. J. Hypertension 12:769:774.
  • Ely, D., Salisbury, R.L., Hadi, D., Turner, M., Johnson, M. 1991. Androgen receptor and the testes influence hypertension in a hybrid rat model. Hypertension 17:1104- 1110.
  • Krieg, R.J., Jr., Batson, J.M., Martha, P.N., Jr., Matt, D.W., Salisbury, R.L., Evans, W.S. 1990. Gonadotrophin releasing hormone-stimulated luteinizing hormone secretion by perifused pituitary cells from normal, gonadectomized and testicular feminized rats. Endocrinology 126:3022-3027.
  • Salisbury, R.L., Reed, J., Ward, I.L., Weisz, J. 1989. Plasma Luteinizing Hormone Levels in Normal and Prenatally Stressed Male and Female Rat Fetuses and Their Mothers. Biology of Reproduction 40:111-117.
  • Roselli, R.E., R.L. Salisbury, J.A. Resko. 1987. Genetic evidence for androgen-dependent and independent control of aromatase activity in the rat brain. Endocrinology 121:2205-2210.
 

Dr. Jerry Stinner (Chair)

Interest Areas:

  • Comparative physiology.
  • Respiratory physiology.
  • Gas exchange and acid-base regulation in vertebrate ectotherms.
Contact Information:

Selected References:

  • Stinner. J. 2000.  Effect of temperature on pH and electrolyte concentration in air-breathing ectotherms.  J. Exp. biol 203: 2065-2074.
  • Stinner, J.N., L.K. Hartzler, M.R. Grguric, D.L. Newlon. 1998. A protein titration hypothesis for the temperature dependence of tissue CO2 content in reptiles and amphibians. J. Exp. Biol. 201:415-424.
  • Stinner, J.N., M.R. Grguric, S.L. Beaty. 1996. Ventilatory and blood acid-base adjustments to a decrease in body temperature from 30 to 10ºC in black racer snakes Coluber constrictor. J. Exp. Biol. 199:815-823.
  • Stinner, J.N., Newlon, D.L., Heisler, N. 1994. Extracellular and intracellular CO2 concentration as a function of temperature in the toad Bufo marinus. J. Exp. Biol. 195:345-360.
  • Stinner, J., Zarlinga, N. Orcutt, S. 1994. Over wintering behavior of individual adult bullfrogs, Rana catesbeiana, in Northeastern Ohio. Ohio J. Sci. 94:8-13.
  • Stinner, J., Ely, D. 1993. Blood pressure during routine activity, stress, and feeding in black racer snakes (Coluber constrictor). Amer. J. Physiol. 264:R79-R84.
 

Dr. Monte Turner

Interest Areas:

  • Genetics of hypertension.
  • Population genetics.
  • Mammalian Y chromosomes.
Contact Information:

Selected References:

  • Ely, D., Turner, M., and Milsted, A.: Review of the Y chromosome and hypertension. Braz. J. Med. Biol. Res., in press, 2000.
  • Turner, M.E., Ely, D.L., Milsted, A.: The rat Y chromosome. Rat Genome 4:78-83, 1998.
  • Milsted, A., Marcelo, M.C., Turner, M.E., and Ely, D.L.: Female WKY and SHR/y rats have the same genotype but different patterns of expression of renin and angiotensinogen. J. Hypertens. 16:823-828, 1998.
  • Ely, D.L., Falvo, J., Dunphy, G., Caplea, A., Salisbury, R., Turner, M. 1994. The SHR Y chromosome produces an early testosterone rise in normotensive rats. J. of Hypertension 12:769-774.
  • Ely, D.L., Daneshvar, H., Turner, M.E., Johnson, M.L., Salisbury, R.L. 1993. The Hypertensive Y-Chromosome Elevates Blood Pressure in a Normotensive Rat Strain after Eleven Generations. Hypertension 21:1071-1075.
  • Johnson, M.L., Perry, S.W., Ely, D.L., Turner, M. 1993. Mitochondrial DNA analysis of the spontaneously hypertensive rat is inconsistent with nuclear divergence. Hypertension 21:1066-1070.
 

Dr. Stephen C. Weeks

Interest Areas:

  • Evolution of sex-determining mechanisms in crustacea.
  • Ecology and evolution of freshwater fish.
  • Population biology of aquatic animals.
Contact Information:

Selected References

  • Medland, VL, N Zucker, and SC Weeks. 2000. Maintenance of androdioecy in the freshwater shrimp, Eulimnadia texana Parker:Encounters between males and hermaphrodites are not random. Ethology (In press). 
  • Weeks, SC, BR Crosser, B Bennett, MM Gray, and N Zucker. 2000. Maintenance of androdioecy in the freshwater shrimp,
    Eulimnadia texana: Variation in inbreeding depression between two populations. Evolution (In press). 
  • Weeks, SC, BR Crosser, MM Gray, JA Matweyou, and N. Zucker. 2000. Is there Sperm Storage in the Clam Shrimp Eulimnadia
    texana? Invertebrate Biology (In press).
  • Weeks, SC, and N Zucker. 1999. Rates of Inbreeding in the Clam Shrimp Eulimnadia texana. Can. J. Zool. 77:1402-1408.
  • Stockwell, CA and SC Weeks. 1999. Translocations and altered evolutionary trajectories in recently established populations of the western mosquitofish (Gambusia affinis) Animal Conservation 2:103-110.
  • Weeks SC, V Marcus, and B Crosser. 1999. Inbreeding Depression in a Self-Compatible, Androdioecious Crustacean, Eulimnadia texana. Evolution 53:472-483.
  • Belk, D, G Mura and SC Weeks. 1998. Untangling confusion between Eubranchipus vernalis and Eubranchipus neglectus
    (Branchiopoda, Anostraca). Journal of Crustacean Biology 18:147-152. 
  • Weeks SC and GK Meffe. 1996. Quantitative genetic and optimality analyses of life-history plasticity in the eastern mosquitofish, Gambusia holbrooki. Evolution 50:1358-1365.
  • Weeks, S.C. 1995. Comparisons of life-history traits between clonal and sexual fish (Poeciliopsis: Poeciliidae) raised in monoculture and mixed treatments. Evolutionary Ecology 9:258-274.
  • Weeks SC. 1993. The effects of recurrent clonal formation on clonal invasion patterns and sexual persistence: A Monte Carlo simulation of the frozen niche-variation model. The American Naturalist 141:409-427.
  • Sassaman C and SC Weeks. 1993. The genetic mechanism of sex determination in the Conchostracan shrimp Eulimnadia texana. The American Naturalist 141:314-328.

Last Updated : 15 September 2002

email changes to: rjduff@uakron.edu