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Full-Text Articles in Biochemistry

Alternative Splicing Regulates The Innate Immune Response To Viral Infection, Luke A. White Jan 2022

Alternative Splicing Regulates The Innate Immune Response To Viral Infection, Luke A. White

Graduate Student Theses, Dissertations, & Professional Papers

Rift Valley fever virus (RVFV) is a mosquito-borne RNA virus that infects humans and livestock in sub-Saharan Africa and the Arabian peninsula, causing disease ranging from a mild flu-like illness to liver damage, blindness, hemorrhagic fever, death, and, especially in livestock animals, high rates of abortive pregnancies. There is no approved vaccine for RVFV, and as a disease with a high rate of spread that causes severe illness, it is listed as a Category A pathogen by the USA CDC. A better understanding of RVFV’s molecular virology will be instrumental to combating RVFV as climate change causes its mosquito host …


Fxr Agonists Induce Distinct H-12 Structural States, Vikash Kumar Jan 2021

Fxr Agonists Induce Distinct H-12 Structural States, Vikash Kumar

Graduate Student Theses, Dissertations, & Professional Papers

The nuclear receptor ligand-binding domain (LBD) is a highly dynamic entity. The FXR LBD shows multiple low-energy conformational states of the activation function-2 (AF-2) coregulator binding surface upon ligand binding, indicating the complexity of FXR activation. However, it is unknown how ligand binding leads to different conformational states within the AF-2 region centered on helix 12 (H-12) of the LBD. Here we observe the conformation of the coregulator binding surface (H-12 specifically) of FXR upon ligand binding in solution using fluorine-19 (19F) nuclear magnetic resonance (NMR) and simulations of this surface using molecular dynamics. Fluorescence anisotropy of fluorescein-labeled coregulator peptides …


Characterization Of The Influences Of Human Cytomegalovirus Glycoprotein O (Go) Expression On Gh/Gl Complexes Assembly And Its Polymorphisms On Cell-Free And Cell-To-Cell Spread, And Antibody Neutralization., Le Z. Day Jan 2020

Characterization Of The Influences Of Human Cytomegalovirus Glycoprotein O (Go) Expression On Gh/Gl Complexes Assembly And Its Polymorphisms On Cell-Free And Cell-To-Cell Spread, And Antibody Neutralization., Le Z. Day

Graduate Student Theses, Dissertations, & Professional Papers

Human cytomegalovirus (HCMV) is widely spread throughout the world and immunocompromised individuals can suffer severe diseases from HCMV infection. Once the infection is established, HCMV can spread through the body and infect many major somatic cell types. The glycoproteins H and L (gH/gL) on HCMV envelope can be bound by either gO or the UL128-131 proteins to form complexes gH/gL/gO and gH/gL/UL128-131 that are critical for viral entry and spread, and these two complexes are important targets of neutralizing antibodies. Strains of HCMV vary considerably in the levels of gH/gL/gO and gH/gL/UL128-131. gO is one of the most diverse loci …