Meeting Abstract 77.4 Friday, Jan. 7 Physiological and evolutionary responses of digestive enzymes to toxin-rich diets KOHL, K.D.*; DEARING, M.D.; Univ. of Utah; Univ. of Utah kevin.kohl@utah.edu Diets rich in tannins pose challenges to herbivores through inhibition of digestive enzymes and subsequent reduction in nutrient availability. To counteract these effects, herbivores may increase enzyme expression to maintain […]
year: 2011
Does form dictates function in the adaptive regulation of intestinal performance among snakes
Meeting Abstract 77.6 Friday, Jan. 7 Does form dictates function in the adaptive regulation of intestinal performance among snakes? SECOR, Stephen M.*; LIGNOT, Jean-Herve; University of Alabama; Université Montpellier ssecor@biology.as.ua.edu Snakes exhibit a distinct dichotomy in the regulation of intestinal function. Frequently feeding species maintain intestinal nutrient transport between feeding bouts, whereas infrequently feeders downregulate intestinal function […]
Density-dependent digestive plasticity in red-eyed treefrogs before and after metamorphosis
Meeting Abstract 77.1 Friday, Jan. 7 Density-dependent digestive plasticity in red-eyed treefrogs before and after metamorphosis. BOUCHARD, S. S.*; JENNEY, C. R.; CHARBONNIER, J. F.; WARKENTIN, K. M.; Otterbein Univ., Westerville, OH; Otterbein Univ., Westerville, OH; Virginia Commonwealth Univ., Richmond; Boston Univ., MA sbouchard@otterbein.edu Red-eyed treefrogs display size-dependent post-metamorphic growth. Small froglets emerging from high density larval […]
Allocation of endogenous and dietary protein in the reconstitution of the gastrointestinal tract in migratory blackcaps, Sylvia attricapilla, at stopover sites
Meeting Abstract 77.2 Friday, Jan. 7 Allocation of endogenous and dietary protein in the reconstitution of the gastrointestinal tract in migratory blackcaps, Sylvia attricapilla, at stopover sites MUNOZ-GARCIA, Agusti*; AAMIDOR, Sarah; MCCUE, Marshall; MCWILLIAMS, Scott; PINSHOW, Berry; Ben Gurion University; Ben Gurion University; St. Mary’s University; University of Rhode Island; Ben Gurion University agustimg@gmail.com During migratory flight, […]
Salinity dependent gill Na,K-ATPase isoform shifts in a cichlid fish and prolactin dependence of the freshwater enzyme
Meeting Abstract 76.1 Friday, Jan. 7 Salinity dependent gill Na,K-ATPase isoform shifts in a cichlid fish and prolactin dependence of the freshwater enzyme TIPSMARK, CK*; BREVES, JP; HIRANO, T; GRAU, EG; University of Arkansas, Fayetteville; University of Hawaii, Manoa; University of Hawaii, Manoa; University of Hawaii, Manoa tipsmark@uark.edu In euryhaline fishes, shifts between a freshwater (FW) and […]
Hormonal control and developmental changes in the salinity-dependent isoforms of the branchial sodium pump of Atlantic salmon
Meeting Abstract 76.2 Friday, Jan. 7 Hormonal control and developmental changes in the salinity-dependent isoforms of the branchial sodium pump of Atlantic salmon. MCCORMICK, S.D.*; REGISH, A.M.; CHADWICK, J.G.; CHRISTENSEN, A.K.; USGS, Conte Anadromous Fish Research Center mccormick@umext.umass.edu The sodium pump, Na+,K+-ATPase (NKA), in the gills of teleost fish is involved in ion regulation in both freshwater […]
The role of parental care in mediating a plastic life-history switch point an example from a Neotropical glassfrog
Meeting Abstract 75.3 Friday, Jan. 7 The role of parental care in mediating a plastic life-history switch point: an example from a Neotropical glassfrog DELIA, Jesse; East Carolina University jdelia82@gmail.com In species that modify the environment of their offspring, parental control of embryonic conditions can alleviate environmental heterogeneity and alter direct offspring-environmental interactions that would otherwise favor […]
Synchronous Hatching Mechanisms and Evolution
Meeting Abstract 75.6 Friday, Jan. 7 Synchronous Hatching: Mechanisms and Evolution SPENCER, R-J*; MCGLASHAN, J; COLBERT, P; JANZEN, F; University of Western Sydney, Australia; University of Western Sydney, Australia; Iowa State University; Iowa State University r.spencer@uws.edu.au The timing of birth has enormous implcations for both immediate and future survival. In animals that produce more than one offspring, […]
Sequential predator effects across life stages Predicting phenotypic and density effects of egg predators on larval survival and growth
Meeting Abstract 75.1 Friday, Jan. 7 Sequential predator effects across life stages: Predicting phenotypic and density effects of egg predators on larval survival and growth VONESH, J.R.*; MCCOY, M.W.; HUGHEY, M.C.; WARKENTIN, K.M.; Virginia Commonwealth Univ.; Virginia Commonwealth Univ.; Boston Univ.; Boston Univ. jrvonesh@vcu.edu Most species have complex life cycles during which they are vulnerable to different […]
Effects of Hatching Age and Predator Cues on the Development of Escape Swimming Performance and Survival with Dragonfly Predators in Red-Eyed Treefrogs
Meeting Abstract 75.2 Friday, Jan. 7 Effects of Hatching Age and Predator Cues on the Development of Escape Swimming Performance and Survival with Dragonfly Predators in Red-Eyed Treefrogs. LANDBERG, T.*; COHEN, K. L.; WILLINK, B.; WARKENTIN, K. M.; Boston University, MA; Boston University, MA; Universidad de Costa Rica, San Jose; Boston University, MA tobias.landberg@gmail.com Red-eyed treefrog embryos […]
