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Articles 31 - 35 of 35
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Determining The Impacts Of Beach Restoration On Loggerhead (Caretta Caretta) And Green Turtle (Chelonia Mydas) Nesting Patterns And Reproductive Success Along Florida's Atlantic Coast, Allison Whitney Hays
Determining The Impacts Of Beach Restoration On Loggerhead (Caretta Caretta) And Green Turtle (Chelonia Mydas) Nesting Patterns And Reproductive Success Along Florida's Atlantic Coast, Allison Whitney Hays
Electronic Theses and Dissertations
Artificial beach nourishment, the most common method to mitigate coastal erosion in the United States, is also considered the most ecologically friendly alternative for shoreline stabilization. However, this habitat alteration has the potential to impact nesting marine turtles and developing hatchlings. The first objective of this study was to determine how nourishing beaches with two different design templates affects loggerhead (Caretta caretta) and green turtle (Chelonia mydas) nesting success, the ratio of nests to the total number of nests and non-nesting emergences, and reproductive success, the ratio of hatched and emerged hatchlings to the total number of eggs deposited. Two …
Genetic Interactions Between The Guanine Nucleotide Exchange Factor Gefmeso And Gtpase Signaling Components In The Drosophila Wing Reveal Microenvironment Dependent Variation Within Gtpase Signaling N, Ashley Megan Iketani
Electronic Theses and Dissertations
The Ras superfamily of GTPases are important regulators of morphogenesis involved in control of cytoskeletal dynamics, intracellular trafficking, apical-basal polarity and cell migration. Mis-regulation of GTPase signaling interferes with development and is linked to pathogenesis. Traditionally, GTPase signaling has been depicted as a series of independent linear pathways. However, recently it has become apparent that multiple GTPases can interact to regulate a single cellular process, functioning in poorly understood networks of cross talk between pathways during development. Jim Fristrom (unpublished data) identified a mutation (18-5) that interacts with components of the GTPases Rho1, Rala, and Cdc42 signaling in multiple developmental …
Light-Activated Binary Nucleotide Reagent For Inactivation Of Dna Polymerase, Evan M. Cornett
Light-Activated Binary Nucleotide Reagent For Inactivation Of Dna Polymerase, Evan M. Cornett
Electronic Theses and Dissertations
This work explores a binary reagent approach to increase the specificity of covalent inhibitors. In this approach, two ligand analogs equipped with inert pre-reactive groups specifically bind a target biopolymer. The binding event brings the pre-reactive groups in proximity with each other. The two groups react, generating active chemical intermediates that covalently modify and inactivate the target. In the present study we compare the new approach with the traditional single-component reagent strategy using DNA polymerase from bacteriophage T4 as a model target biopolymer. We report the design and synthesis of two analogs of deoxythymidine triphosphate, a natural DNA polymerase substrate. …
Fine-Scale Geographic Variation Of Stable Isotope And Fatty Acid Signatures Of Three Fish Species In The Indian River Lagoon, Fl, Jennifer Fletcher Odom
Fine-Scale Geographic Variation Of Stable Isotope And Fatty Acid Signatures Of Three Fish Species In The Indian River Lagoon, Fl, Jennifer Fletcher Odom
Electronic Theses and Dissertations
The Indian River Lagoon, Florida, is a unique closed “bar built” estuary system that has little interchange with the Atlantic Ocean and which is home to many resident species. Three fish species were investigated to see if their isotopic and fatty acid signatures differed based on geographic location. The goal was to assess the degree of resolution of spatial variation that is possible when using stable isotope and fatty acid signature analysis to interpret feeding habits and potential linkages between feeding habits and health status. Spotted seatrout (n=40), pinfish (n=60) and white mullet (n=60) were collected over a 4 week …
Placing Birds On A Dynamic Evolutionary Map: Using Digital Tools To Update The Evolutionary Metaphor Of The "Tree Of Life", Sonia Stephens
Placing Birds On A Dynamic Evolutionary Map: Using Digital Tools To Update The Evolutionary Metaphor Of The "Tree Of Life", Sonia Stephens
Electronic Theses and Dissertations
This dissertation describes and presents a new type of interactive visualization for communicating about evolutionary biology, the dynamic evolutionary map. This web-based tool utilizes a novel map-based metaphor to visualize evolution, rather than the traditional "tree of life." The dissertation begins with an analysis of the conceptual affordances of the traditional tree of life as the dominant metaphor for evolution. Next, theories from digital media, visualization, and cognitive science research are synthesized to support the assertion that digital media tools can extend the types of visual metaphors we use in science communication in order to overcome conceptual limitations of traditional …