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Insect physiology and cell biology, notably cell Ca2+ signaling. Other research areas include trehalose regulation, enzymology, larval nutritional ecology, insect-plant and insect-pathogen interactions History of entomology and evolutionary thought, particularly during the 19th and early 20th century
Anelli, C.M. and S. Friedman. 1986. The regulation of blood sugar in the aging blow fly, Phormia regina. Exp. Geront. 21:93-98. Anelli, C.M. and S. Friedman. 1986. Presence and regulation of trehalose in the body of adult Phormia regina. Arch. Insect Biochem. Physiol. 3:381-395. Sheppard, C.A. and S. Friedman. 1989. Endogenous and induced monooxygenase activity in gypsy moth larvae feeding on natural and artificial diets. Arch. Insect Biochem. Physiol. 10:47-56. Sheppard, C.A. 1989. A brief history of The Practical Entomologist and its contributions to economic entomology. Ent. News 100:212-223. Loeb, M.J., DeMilo, A.B., and C.A. Sheppard. 1990. Characterization of testis ecdysiotropin (TE) from brains of Lepidoptera. In: Insect Neurochemistry and Neurophysiology 1989. A.B. Borkovec and E.P. Masler, eds. Humana Press, Clifton, NJ. pp.259-262. Sheppard, C.A. and S. Friedman. 1990. Influence of host plant, foliar phenology and larval dietary history on Lymantria dispar larval nutritional indices. Entomol. exp. appl. 55:247-255. Smith, E. H. and C.A. Sheppard. 1990. A heritage of distinguished journalism. American Entomologist 36:7-17. Sheppard, C.A. and S. Friedman. 1992. Effect of dietary nitrogen on nutritional indices, development rate and lipid content of gypsy moth larvae. Ent. exp. appl. 64:269-280. Sheppard, C.A. and M.J. Loeb. 1992. ATP-dependent Ca2+transport and Ca2+-ATPase activities in an enriched plasma membrane fraction from gypsy moth larval midgut tissue. Arch. Insect Biochem. Physiol. 21:179-194. Sheppard, C.A. and M.J. Loeb. 1992. Enzymatic characterization of subcellular samples from gypsy moth larval midgut following differential centrifugation and fractionation on Percoll-sucrose gradient. Arch. Insect Biochem. Physiol. 21:195-206. Yagodin, S.V., Holtzclaw, L., Sheppard, C.A., and J.T. Russell. 1993. Non-linear propagation of agonist-induced cytoplasmic calcium waves in single astrocytes. J. Neurobiol. 25:265-280. Adams, J.R., Sheppard, C.A., and M. Shapiro. 1994. Light and electron microscopic investigations on the histopathology of the midgut of gypsy moth larvae infected with LdMNPV plus a fluorescent brightener. J. Invertebr. Pathol. 64:156-159. Sheppard, C.A. and M. Shapiro. 1994. Physiological and nutritional effects of a fluorescent brightener on nuclear polyhedrosis virus-infected Lymantria dispar (L.) larvae (Lepidoptera: Lymantriidae). Biol. Control 4:404-411. Sheppard, C.A., Shapiro M., and J.L. Vaughn. 1994. Reduction of midgut luminal pH in gypsy moth larvae (Lymantria dispar L.) following ingestion of nuclear or cytoplasmic polyhedrosis virus/ fluorescent brightener on natural or artificial diet. Biol. Control 4:412-420. Sheppard, C.A. and D.E. Lynn. 1996. Immunoreactivities for calcium signaling components and neural-like properties of a Colorado potato beetle cell line. Arch. Insect Biochem. Physiol. 33:197-209. Sheppard, C.A., Simpson, P.B., Sharp, A.H., Nucifora, F.C., Ross, C.A., Lange, G.D., and J.T. Russell. 1997. Comparison of type 2 inositol 1,4,5-trisphosphate receptor distribution and subcellular Ca2+ release sites that support Ca2+ waves in cultured astrocytes. J.Neurochem. 68:2317-2327. Sheppard, C.A. and E.H.Smith. 1997. Entomological heritage. American
Entomologist. Simpson, P.B., Mehotra, S., Langley, D., Sheppard, C.A. and J.T. Russell. 1998. Specialized distributions of mitochondria and endoplasmic reticulum proteins define Ca2+ wave amplification sites in cultured astrocytes. J. Neurosci. Res. 52: 672-683. Sharp, A.H., Nucifora, F.C.Jr., Blondel, O., Sheppard, C.A., Zhang C, Russell, J.T., Snyder, S.H., Ryugo, D.K. and C.A. Ross. 1999. Differential cellular expression of isoforms of inositol 1,4,5-trisphosphate receptors in neurons and glia in brain. J. Comparative Neurology 406: 207-220. Entom 401 Invertebrates in Biological Thought - Development of biological ideas and knowledge from antiquity to present, with emphasis on evolutionary thought and major advances achieved through invertebrate models (fulfills the Tier III General Education requirement). Entom 478 / 578 Physiological Ecology of Insects - Effects of and reactions to physical factors in the environment by arthropods. Entom 550 Insect Physiology - General principles of insect physiology; the mechanisms of vital processes in insects; organ, cellular, subcellular, chemical and physical levels. (Team taught; Dr. Sheppard contributes lectures (12% of course) on biochemistry of intermediary metabolism, digestion, nutrition, circulation, vision) Entom 490 / 590 Special Topics in Entomology - Graded research projects in entomology involving laboratory work or historical entomology research. Entom 499 Special Problems in Entomology - Research projects in entomology; historical / archival research or lab-based (S/F grading). Entom 600 Special Projects / Independent Study-- Laboratory research projects for graduate students in entomology. Entom 593 Seminar in Entomology-- Discussion and presentation of current research in the discipline. UH 260 University Honors College: Seminar-- "From musings to mirth: What they don't teach you in biology class" Discussion, written assignments and student oral presentations based on a wide range of readings from the award-winning science and nature writing genre. UH 330 University Honors College: Western Civilization-- "Science and Society: Diversity Issues in Western Culture" Scientific and popular preconceptions, myths and thinking underlying past and present diversity issues in Western culture. Readings and discussions consider historical and contemporary perspectives of race, sex, gender, environmental policies, technological advances, and their societal impacts and ramifications (e.g., impact of theories about race-, sex-, and class-based intelligence on slavery, U.S. immigration policy, forced sterilization, birth control, eugenics; impact of gender views on early hormone research and current medical practices). |
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