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Impacts Of Predation Risk And Development On Susceptibility Of North American Anurans To Ranaviruses, Nathan Alden Haislip
Impacts Of Predation Risk And Development On Susceptibility Of North American Anurans To Ranaviruses, Nathan Alden Haislip
Masters Theses
For over three decades, amphibian populations have been declining across the globe. Emerging infectious diseases are responsible for some of these declines. Ranaviruses have caused die-offs in wild amphibian populations on 4 continents, in 5 Canadian provinces, and in over 25 U.S. states. In order to understand host-pathogen dynamics, it is critical to establish baseline information on species susceptibility and the effects of natural stressors. The goal of my thesis research was to quantify the effects of anuran development and exposure to invertebrate predators on species-specific susceptibility to ranavirus. My experiments were designed in factorial arrangements, and consisted of exposure …
Naive And Memory T Cell Trafficking In Selectin Ligand-Deficient Mice: The Role Of Fucosyltransferase –Iv And –Vii In The Differential Migration Of T Cell Populations, John Robert Harp
Masters Theses
The correct and timely delivery of immune cells is critical for protection against foreign antigen. In order for cells to access most organs, there are requirements that must be met to facilitate exit from the blood into extravasculature. The initial requirement is selectin-selectin ligand interactions that mediate tethering and rolling to allow shear resistance. For proper selectin-selectin ligand interaction, glycoproteins must be modified by fucosyltransferases –IV and –VII, which adds fucose to an acceptor substrate to form the sialyl-LewisX moiety. Using fucosyltransferase –IV and –VII double knockout (FtDKO) mice, we made several novel observations. Our first observation showed increased numbers …