LILLYWHITE, H.*; SAWYER, W. G.; HEATWOLE, H.; Univ. of Florida, Gainesville; Univ. of Florida, Gainesville; North Carolina State Univ., Raleigh: A Functional Interpretation of Pulmonary Structure in Marine Snakes Snakes exhibit exceptional variation in pulmonary structure, related in part to demands of the gravitational environment. Terrestrial and especially arboreal species have short vascular segments, which […]
year: 2006
Sex-related differences in stored energy reserves in spring-breeding hylid frogs
FINKLER, M.S.*; GILLEM, A.D.; Indiana Univ. Kokomo; Indiana Univ. Kokomo: Sex-related differences in stored energy reserves in spring-breeding hylid frogs The energetic cost of reproduction may be considerably higher for females than for males, not only because of a difference in the amount of energy invested in the gametes but from indirect costs associated with […]
Seasonal Changes in Sex Steroids of the Gopher Tortoise (Gopherus polyphemus) and Their Relationship to Upper Respiratory Tract Disease
KAHN, P.F.**; MENDONCA, M.T.; Auburn University, Auburn, Alabama; Auburn University, Auburn, Alabama: Seasonal Changes in Sex Steroids of the Gopher Tortoise (Gopherus polyphemus) and Their Relationship to Upper Respiratory Tract Disease Anthropogenic factors have contributed substantially to the decline in threatened gopher tortoise populations. However, disease may also be a considerable threat to the survival […]
Activity of Steroidogenic Enzymes in Placenta and in Lung, Fat and Skin of the Steller Sea Lion Pup (Eumetopias jubatus)
BLOMQUIST, Charles H.*; LIMA, Paul H.; ATKINSON, Shannon; University of Minnesota; University of Minnesota; Alaska SeaLife Center/University of Alaska Fairbanks: Activity of Steroidogenic Enzymes in Placenta and in Lung, Fat and Skin of the Steller Sea Lion Pup (Eumetopias jubatus) Steroidogenic enzymes that regulate levels of estrogens and androgens in mammalian tissues may be targets […]
Why does stress suppress immunity A possible answer from insects
ADAMO, Shelley A*; PARSONS, N; Dalhousie University; Dalhousie University: Why does stress suppress immunity? A possible answer from insects. Both vertebrates and mollusks (e.g. oysters) become more susceptible to disease after exposure to a stressor, suggesting that stress-induced immunosuppression is an old and wide spread phenomenon. We found that insects are also immunosuppressed by stress. […]
Seasonal, sex-, and age-related variation in serum immunoglobulin levels in the red-eared slider turtle
HARMS, Heidi K.*; BOWDEN, Rachel M.; TUCKER, John K.; Illinois State University; Illinois State University; Illinois Natural History Survey: Seasonal, sex-, and age-related variation in serum immunoglobulin levels in the red-eared slider turtle The immune system of ectothermic vertebrates fluctuates seasonally, being sensitive to both environmental and hormonal cues. Low immunocompetence often occurs during the […]
Proteomic Analyses reveal that Components of the Cytoskeletal Network are Up-Regulated before Hibernation in Fence Lizards
LONDRAVILLE, R. L.*; NIEWIAROWSKI, Peter/H; KAVETI, Suma; KINTER, Michael; University of Akron; University of Akron; Cleveland Clinic Foundation; Cleveland Clinic Foundation: Proteomic Analyses reveal that Components of the Cytoskeletal Network are Up-Regulated before Hibernation in Fence Lizards We are undertaking long-term studies aimed at understanding the mechanistic basis of differences in life-history strategies among populations […]
Intestinal parasitism during development affects morphology and ornamentation of ring-necked pheasants
GRINDSTAFF, J.L.*; SMITH, H.G.; Lund University; Lund University: Intestinal parasitism during development affects morphology and ornamentation of ring-necked pheasants Although it is generally assumed that effects of the developmental environment are transient and have little impact on adult phenotype, a growing number of studies have found persistent effects of developmental stress on adult morphology and […]
Immune and Reproductive Systems Compete for Resources in Female Tree Lizards (Urosaurus ornatus)
FRENCH, S. S.*; MOORE, M. C.; Arizona State University; Arizona State University: Immune and Reproductive Systems Compete for Resources in Female Tree Lizards (Urosaurus ornatus) When resources are scarce, organisms are faced with critical challenges trying to optimize competing vital functions. Key among these competing processes are reproduction and immune function. However, few studies have […]
Effects of cold temperature on antimicrobial peptide synthesis and release in northern leopard frogs, Rana pipiens
WOODHAMS, Douglas C.; RAMSEY, Jeremy P.; ROLLINS-SMITH, Louise A.*; Vanderbilt University Medical Center; Vanderbilt University Medical Center; Vanderbilt University Medical Center: Effects of cold temperature on antimicrobial peptide synthesis and release in northern leopard frogs, Rana pipiens Amphibians inhabit both warm and cold temperature habitats. One important innate immune defense is antimicrobial peptides produced and […]
