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Functional Sorting of Evolutionary Effects in Protein Domains
(University of Missouri--Kansas City, 2010)
One of the most important questions in evolutionary genetics is whether a gene of interest is under positive selection, negative selection or neutral evolution. Although there are numerous existed methods and statistical ...
The herpes simplex virus virion host shutoff protein is targeted to mRNA cleavage sites through interactions with components of the host translational apparatus
(University of Missouri--Kansas City, 2011-01-20)
The virion host shutoff protein (Vhs) is a herpes simplex virus (HSV) protein involved in early shutoff of the host cell. It is a component of the infecting virion, located in the tegument region, that works by rapidly ...
3-Hydroxy-3-methylglutaryl-coenzyme A lyase: investigation of cysteines mediating intersubunit disulfide formation and regulation by thiol/disulfide exchange and discovery of an extramitochondrial homolog
(University of Missouri -- Kansas City, 2012-01-18)
3-Hydroxy-3-methylglutaryl-Coenzyme A lyase catalyzes the cleavage of 3-hydroxy-
3-methylglutaryl-Coenzyme A into acetoacetate and acetyl-Coenzyme A, a key reaction
in ketogenesis and leucine catabolism. Previous work ...
Structural and functional studies of type three secretion virulence factors from gram-negative pathogenic bacteria
(University of Missouri-Kansas City, 2011-12-21)
Many pathogenic Gram-negative bacteria utilize type III secretion systems (TTSS) to alter the normal functions of target host epithelial cells. Of the 1.1 million deaths that are caused by Shigella each year, nearly a third ...
A proteomic approach for studying LTR retrotransposon host factors in saccharomyces cerevisae
(University of Missouri--Kansas City, 2012-01-20)
The Ty retrotransposons of S. cerevisiae are mobile elements that resemble retroviruses, both in their genetic structures and replication cycles. Ty retrotransposition begins in the nucleus with the transcription of Ty ...
The expression and regulation on antimicrobial peptide genes in insects: studies in the tobacco hornworm manduca sexta
(University of Missouri--Kansas City, 2011-05-10)
Insects have evolved an efficient innate immune system to combat microbes. Most of our knowledge of insect immunity comes from studies with dipteran and lepidopteran insects, such as the fruit fly Drosophila melanogaster, ...
Novel in vitro cell culture models for studying pharmacokinetic drug-drug interactions following oral administration
(University of Missouri--Kansas City, 2011-09-21)
In this study different in vitro models were developed to study the long term and short term drug- drug interactions occurring upon oral administration. MDCK cells were stably transfected for the simultaneous expression ...
The role of drosophila protein kinase doubletime in circadian period determination, morning and evening oscillators and tauopathy
(University of Missouri--Kansas City, 2012-10-01)
In this dissertation, I used the GAL4-UAS binary expression method to overexpress mutant and wild type forms of the circadian protein kinase DBT in order to address several basic questions about DBT's biological functions. ...
Mutational and functional analyses of the dynein heavy chain indicate the existence of an apical-sistal transport cycle in cells
(University of Missouri--Kansas City, 2012-03-02)
The organization, survival, and function of eukaryotic cells depend on intracellular
transport governed by the microtubule based molecular motors cytoplasmic dynein and
kinesin. Dynein carries out the inward transport ...
Modulation of neuronal ryanodine receptor-mediated calcium signaling by calsenilin
(2013)
Calsenilin is calcium (Ca2+) ion Ca2+ binding protein found in the nucleus, plasma membrane, and endoplasmic reticulum of neuronal cells. Calsenilin was first found to interact with two proteins involved in early-onset ...
Involvement of a specific ubiquitin ligase in the assembly of the dynein motor in the filamentous fungus Neurospora crassa
(University of Missouri--Kansas City, 2012-08-27)
Eukaryotic cells utilize multiple molecular motor proteins to accomplish
intracellular transport. The two microtubule based motors, kinesin and cytoplasmic
dynein, work in concert to move cargoes outward and inward, ...
Structure-function studies of the staphylococcal complement inhibitor protein family
(University of Missouri--Kansas City, 2012)
Complement is a primary arm of innate immunity that plays essential roles in clearance of microbial invaders and immune complexes, initiation of inflammation, development, and differentiation and serves as a bridge to the ...
Calculating the structure-based phylogenetic relationship of distantly related homologous proteins utilizing maximum likelihood structural alignment combinatorics and a novel structural molecular clock hypothesis
(2013)
Dendrograms establish the evolutionary relationships and homology of species, proteins, or genes. Homology modeling, ligand binding, and pharmaceutical testing all depend upon the homology ascertained by dendrograms. ...
The function of Drosophila Integrin-Dim7-Elmo-Mbc→Rac signaling pathway in the muscle attachment formation and maintenance
(2013)
The Engulfment and Cell Motility (Elmo)-(Myoblast city) Mbc→Rac signaling pathway is evolutionarily conserved from C. elegans to vertebrates and is essential for many developmental processes, including phagocytosis and ...
The Cellular and Molecular Mechanisms of Prostaglandin E₂ in Myogenesis
(2013)
Prostaglandin E₂ (PGE₂), the most abundant prostaglandin (PG) in our body, has multiple biological functions related to physiological activities and the development of diseases. Emerging evidence has shown that PGE2 plays ...
The Role of Host Translation Initiation Factors eIF4H and eIF4A and the Exon Junction Complex in the Control of mRNA turnover and Translation by the Virion Host Shut off Protein of Herpes Simplex Virus
(2013)
During lytic infections, the HSV Vhs endonuclease (UL41) degrades many viral and cellular mRNAs. This endonuclease activity is dependent upon the ability of Vhs to bind the host translation initiation factors eIF4AI/II and ...