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Staph Infection: Hospitals Battle Against A Deadly Menace, Mckenzie Lamos Jun 2022

Staph Infection: Hospitals Battle Against A Deadly Menace, Mckenzie Lamos

Undergraduate Research Symposium

Staph infection is caused by the staphylococcus bacteria, which is found on the skin or within the nose of even healthy individuals. This bacteria is usually harmless, but deadly infectious diseases may arise when it enters deep within the body. Staph infection is commonly treated with antibiotics, however the methicillin-resistant Staphylococcus aureus (MRSA) strain is resistant to antibiotics which further complicates treatment. This research provides insight on preventative measures to stop and slow the spread of staph infection in hospitals, along with what is being done to limit the number of MRSA infections. The CDC and NCBI both outline strategies …


Resolving The Repression Pathway Of Virulence Gene Hila In Salmonella, Alexandra King, Lon Chubiz Phd, Brenda Pratte, Lauren Daugherty Jun 2022

Resolving The Repression Pathway Of Virulence Gene Hila In Salmonella, Alexandra King, Lon Chubiz Phd, Brenda Pratte, Lauren Daugherty

Undergraduate Research Symposium

Salmonella is a relatively abundant, virulent species of bacteria that is most known for spreading gastrointestinal diseases through food. These illnesses result in approximately 1.35 million infections, including over 25,000 hospitalizations each year, in the U.S. alone (CDC.gov). As antibiotic resistance becomes an increasingly urgent public health problem, the importance of developing alternative treatment methods is only becoming more crucial. One of the genes responsible for this virulence is known as hilA. HilA is the main transcriptional regulator of Salmonella Pathogenicity Island-1 gene (UniProt). SPI-1 plays an important role in the invasion of Salmonella into epithelial cells. The proteins encoded …


Mara Repression Of Virulence Gene Hila In Salmonella, Alexandra King, Lauren Daugherty, Lon Chubiz Phd Sep 2021

Mara Repression Of Virulence Gene Hila In Salmonella, Alexandra King, Lauren Daugherty, Lon Chubiz Phd

Undergraduate Research Symposium

Salmonella is a bacteria most commonly known for causing the eponymous food-related illness. Due to their rapid reproduction rate and their ability to be propogated and maintained in a lab setting, they are commonly used in lab studies so that we can better understand how Salmonella causes disease in organisms that are more difficult to study. One area of interest is analyzing how Salmonella controls expression of the mechanisms that actually cause disease, called virulence traits, in response to the environment. In this study, antibiotic stress was used to analyze virulence gene expression. MarA is a gene that regulates ampicillin …