Meeting Abstract P1.141  Saturday, Jan. 4 15:30  Effects of an acute stimulation of the HPA axis on sexual and stress hormones in male Northern Elephant Seals ENSMINGER, D.C.*; SHARICK, J.T.; SOMO, D.A.; HOUSER, D.S.; CROCKER, D.E.; Sonoma State University, California, Rohnert Park ensminge@seawolf.sonoma.edu Little is known about variations in hypothalamic-pituitary-axis (HPA) responsiveness and its impacts on metabolism […]

Meeting Abstract P1.76  Saturday, Jan. 4 15:30  Effect of prenatal steroids on the myoglobin concentration in the diaphragm of fetal guinea pigs LAVERGNE, J.N.**; DEAROLF, J.L.; Hendrix College, Conway, AR lavergnejn@hendrix.edu Currently, glucocorticoids are used to promote the survival of premature children by accelerating their lung development. However, very little is known presently about how these steroids […]

Meeting Abstract P1.77  Saturday, Jan. 4 15:30  Effect of prenatal steroids on the citrate synthase activity of the guinea pig external abdominal oblique O’CONNELL, K.J.*; DEAROLF, J.L.; RICHMOND, J.P.; Hendrix College, Conway, AR; Univ. of North Florida, Jacksonville, FL oconnellkj@hendrix.edu Glucocorticoids, a class of steroid hormones, are often used to stimulate lung development and combat mortality in […]

Meeting Abstract P1.62  Saturday, Jan. 4 15:30  Effect and prevalence of the endoparasite Plasmodium across the range of Uta stansburiana SPENCE, AS*; SMITH, GD; FRENCH, SS; Utah State University; Utah State University; Utah State University austin.r.spence@gmail.com Parasitic infections can be costly for organisms, with consequences such as loss of nutrition, decreased body condition, or impaired immunocompetence. In […]

Meeting Abstract P1.120  Saturday, Jan. 4 15:30  Ecomorphological and behavioral analysis of lunge feeding and niche partitioning in rorqual whales GOLDBOGEN, JA*; FRIEDLAENDER, AS; POTVIN, J; Stanford University; Oregon State Univ; Saint Louis Univ jgoldbogen@gmail.com Rorqual whales (Balaenopteridae) represent the third most speciose family of extant cetaceans and occupy diverse trophic niches worldwide. With the exception of […]

Meeting Abstract P1.59  Saturday, Jan. 4 15:30  Ecdysteroid regulation of the Gecarcinus laterals myostatin gene: a heterologous cell expression system to test the function of an ecdysteroid response element DONOVAN, M.W.*; TROWBRIDGE, R.L.; COSENZA, K.S.; MYKLES, D.L.; Colorado State University, Fort Collins ; Colorado State University, Fort Collins; Colorado State University, Fort Collins ; Colorado State University, […]

Meeting Abstract P1.178  Saturday, Jan. 4 15:30  Ear development and function in red-eyed treefrog embryos: a sensor for egg-predator cues? WARKENTIN, K. M.*; ADDIS, C. J.; COHEN, K. L.; Boston Univ.; Boston Univ.; Boston Univ. kwarken@bu.edu Red-eyed treefrog, Agalychnis callidryas, embryos hatch rapidly and prematurely in predator attacks, cued by physical disturbance of eggs. Playback of vibrations […]

Meeting Abstract P1.156  Saturday, Jan. 4 15:30  Doxycycline inhibits organ resorption, but not organ growth, in metamorphosing Xenopus laevis tadpoles CHAVEZ, A; NOLAN, K*; HORN, R; MILLER, B; SCHREIBER, A.M.; St. Lawrence University, NY; St. Lawrence University, NY; St. Lawrence University, NY; St. Lawrence University, NY; St. Lawrence University, NY aschreiber@stlawu.edu Xenopus laevis metamorphosis is characterized by […]

Meeting Abstract P1.157  Saturday, Jan. 4 15:30  Doxycycline inhibits intestinal remodeling during Xenopus laevis metamorphosis DAVIS, T*; LIANO, J; BACHMAN, N; INGALLS, J; KITTS, J; HORN, R; MILLER, B; TEMKIN, M; SCHREIBER, A.M.; St. Lawrence University, NY aschreiber@stlawu.edu Metamorphosis of the herbivorous tadpole into a carnivorous frog is accompanied by an abrupt remodeling of the gut: the […]

Meeting Abstract P1.65  Saturday, Jan. 4 15:30  Dose and context dependency of the costs of immunity in an introduced ectotherm BRACE, AJ*; SHEIKALI, S; MARTIN, LB; University of South Florida abrace@mail.usf.edu When exposed to parasites, a vertebrate’s first mechanism of resistance is activation of the innate immune system. However, differences in environmental (e.g., temperature), host (e.g., infection […]