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Full-Text Articles in Virology

Insights To Protein Pathogenicity From The Lens Of Protein Evolution, Janelle Nunez-Castilla Jun 2022

Insights To Protein Pathogenicity From The Lens Of Protein Evolution, Janelle Nunez-Castilla

FIU Electronic Theses and Dissertations

As protein sequences evolve, differences in selective constraints may lead to outcomes ranging from sequence conservation to structural and functional divergence. Evolutionary protein family analysis can illuminate which protein regions are likely to diverge or remain conserved in sequence, structure, and function. Moreover, nonsynonymous mutations in pathogens may result in the emergence of protein regions that affect the behavior of pathogenic proteins within a host and host response. I aimed to gain insight on pathogenic proteins from cancer and viruses using an evolutionary perspective. First, I examined p53, a conformationally flexible, multifunctional protein mutated in ~50% of human cancers. Multifunctional …


Meta-Analysis Of Transcriptomic Datasets For The Investigation Of Differential Expression In Hantavirus-Infected Human Tissue, John Krapohl Mar 2022

Meta-Analysis Of Transcriptomic Datasets For The Investigation Of Differential Expression In Hantavirus-Infected Human Tissue, John Krapohl

Annual Research Symposium

No abstract provided.


The Isolation And Characterization Of Bacteriophage Hasitha, Gillian Brown Jan 2022

The Isolation And Characterization Of Bacteriophage Hasitha, Gillian Brown

Mahurin Honors College Capstone Experience/Thesis Projects

Microbacteriophage Hasitha is a virus that infects Microbacterium foliorum, a bacterium associated with grasses that was first discovered in Germany. Hasitha was isolated from an enriched compost sample and is of particular interest due to its unusual growth pattern. Most bacteriophages require actively growing host cells to produce new phage progeny. However, Hasitha can infect and kill stationary (non-replicating) bacterial cells. We discovered this unusual characteristic through a fortuitous observation of infected lawns that were allowed to incubate in the lab workspace for approximately one month. During this time, a noticeable “halo” grew around the initial site of infection …


Bioinformatic Pipeline For Determining Terminal Repeats In The Human Cytomegalovirus Genome Assembled With Pacbio Long Read Sequences, Ahmed Al Qaffas Jan 2022

Bioinformatic Pipeline For Determining Terminal Repeats In The Human Cytomegalovirus Genome Assembled With Pacbio Long Read Sequences, Ahmed Al Qaffas

Theses and Dissertations

Human Cytomegalovirus (HCMV) is a member of the betaherpesvirinae subfamily of the Herpesvirus family. HCMV infection is common among adults worldwide, with an estimated seroprevalence of 66 to 95%, depending on the geographic region (Zuhair et al., 2019). Although most of the virus genomic content has been studied extensively, the terminal repeating region sequences remain understudied. Two main challenges hindered the study of the region: a) limitations of sequencing technologies; and b) misassembly of the repeats due to its complex nature. Here I show a novel bioinformatics pipeline that takes advantage of PacBio's long reads to resolve the challenges mentioned …