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Full-Text Articles in Virology

Analyzing Pseudomonas Aeruginosa With Bacteriophage Tags Using Photoacoustic Flow Cytometry, Jennifer C. Schinke Aug 2023

Analyzing Pseudomonas Aeruginosa With Bacteriophage Tags Using Photoacoustic Flow Cytometry, Jennifer C. Schinke

Electronic Theses and Dissertations

The number of daily bacterial infections is climbing and the CDC explains that this is due to the antibiotic-resistant threat in the United States. Finding a faster way of bacterial identification is necessary as it currently takes 1-4 days for a medical lab to culture and identify bacteria. Photoacoustic flow cytometry (PAFC) can be used as an alternative method resulting in swift identification within an hour (Edgar, 2019). Pseudomonas aeruginosa, cell line PA01, will be coated in up to a few hundred red dyed phages making it detectible by the photoacoustic flow cytometry system. Bacteriophages (phages) are viruses that …


Restoration Of Phage Growth On A Non-Permissive Host By Bypassing Transcription Termination Signals, Millicent Ronkainen Apr 2018

Restoration Of Phage Growth On A Non-Permissive Host By Bypassing Transcription Termination Signals, Millicent Ronkainen

Mahurin Honors College Capstone Experience/Thesis Projects

RNA polymerase is the central enzyme in all gene expression. The rpoCY75N mutation in the zinc-binding domain of the β’ subunit of E. coli RNA polymerase blocks a unique RNA-based mechanism of transcription antitermination utilized by bacteriophage HK022 and its relatives. Here, we describe the characterization of mutant phage, orc0368, which overcomes the rpoCY75N mutation. The orc0368 genome varies from the wild type phage genome by 4 single base pair mutations. Three of these mutations were not characterized because they occur in intergenic regions but the fourth was chosen for study because of its location between a series …