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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology

Dna Origami Scaffold Development For Digital Nucleic Acid Memory, Sarah Elizabeth Kobernat Dec 2022

Dna Origami Scaffold Development For Digital Nucleic Acid Memory, Sarah Elizabeth Kobernat

Boise State University Theses and Dissertations

Recently, DNA nanotechnology has emerged as a promising and rapidly expanding method to utilize nucleic acids as a nanoscale building material. DNA origami is a major structural application of DNA nanotechnology, using DNA to construct two- and three-dimensional shapes. These structures have been employed for a variety of uses including DNA data storage. DNA is a promising material to address the impending shortage of silicon-based storage as data demands increase. There are many sequence-based methods of data storage, but digit Nucleic Acid Memory (dNAM) uses DNA origami as a breadboard and is read by super-resolution microscopy instead. dNAM uses DNA …


Structure, Function, And Immunogenic Applications Of Ab5-Type Adp-Ribosylating Bacterial Toxins, Elise Marie Overgaard Dec 2022

Structure, Function, And Immunogenic Applications Of Ab5-Type Adp-Ribosylating Bacterial Toxins, Elise Marie Overgaard

Boise State University Theses and Dissertations

Bacterial mono-ADP-ribosyltransferases (ARTs) catalyze the singular transfer of an ADP-ribose moiety from an NAD+ molecule onto a target molecule. ARTs contain an ancient and highly conserved tertiary structure and have a wide variety of intracellular targets and effects. Some, but not all, bacterial ARTs have an AB5-type multimeric structure consisting of an enzymatically active subunit non-covalently situated atop of a non-toxic pentamer. The active, or A, subunit of AB5-type toxins has a catalytic action that contributes to bacterial pathogenicity, and it is sometimes, but not always, an ART. ArtAB is an ART with AB5-type …


Improving The Ribozyme Toolbox: From Structure-Function Insights To Synthetic Biology Applications, Jessica Michelle Roberts Aug 2022

Improving The Ribozyme Toolbox: From Structure-Function Insights To Synthetic Biology Applications, Jessica Michelle Roberts

Boise State University Theses and Dissertations

Self-cleaving ribozymes are a naturally occurring class of catalytically active RNA molecules which cleave their own phosphate backbone. In nature, self-cleaving ribozymes are best known for their role in processing concatamers of viral genomes into monomers during viral replication in some RNA viruses, but to a lesser degree have also been implicated in mRNA regulation and processing in bacteria and eukaryotes. In addition to their biological relevance, these RNA enzymes have been harnessed as important biomolecular tools with a variety of applications in fields such as bioengineering. Self-cleaving ribozymes are relatively small and easy to generate in the lab using …


Modeling Developmental, Molecular, And Behavioral Effects Of An Apolipoprotein-E4 Fragment On The Embryogenesis Of Zebrafish, Madyson Mccarthy May 2022

Modeling Developmental, Molecular, And Behavioral Effects Of An Apolipoprotein-E4 Fragment On The Embryogenesis Of Zebrafish, Madyson Mccarthy

Boise State University Theses and Dissertations

Although the increased risk of developing sporadic Alzheimer’s disease (AD) associated with the inheritance of the apolipoprotein E4 (APOE4) allele is well characterized, the molecular underpinnings of how ApoE4 imparts risk remains unknown. Enhanced proteolysis of the ApoE4 protein with a toxic-gain of function has been suggested and a 17 kDa amino-terminal ApoE4 fragment (nApoE41-151) has been identified in post-mortem human AD frontal cortex sections. Recently, we demonstrated in vitro, exogenous treatment of nApoE41-151 in BV2 microglial cells leads to uptake, trafficking to the nucleus and increased expression of genes associated with cell toxicity …