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Articles 1 - 4 of 4
Full-Text Articles in Pathogenic Microbiology
Characterizing The Cutaneous Microbiome Of Eurycea Lucifuga As A Potential Defense Against Chytridiomycosis, Madeline Key
Characterizing The Cutaneous Microbiome Of Eurycea Lucifuga As A Potential Defense Against Chytridiomycosis, Madeline Key
Senior Honors Theses
Chytridiomycosis is an emerging infectious disease that is significantly reducing global amphibian populations. The disease is caused by Batrachochytrium dendrobatidis (Bd), a fungus that lethally modifies amphibian skin. Recent research has suggested that the cutaneous microbiome of individual amphibians may play a role in susceptibility to the pathogen. In this study, twelve cave salamanders (Eurycea lucifuga) were collected. Cutaneous bacteria from each salamander were isolated and identified using Sanger Sequencing. Additionally, a Bd-challenge assay was performed to determine each isolate’s antifungal activity. Results indicated many microbial isolates possessed inhibitory capabilities against Bd, which may …
Sars-Cov-2 Reveals That Chimeric Agents Are The Bioweapons Of The Future, Rachel Craig
Sars-Cov-2 Reveals That Chimeric Agents Are The Bioweapons Of The Future, Rachel Craig
Senior Honors Theses
Bioweapons programs have existed since their development during the Cold War. These biowarfare programs initially utilized naturally occurring pathogens capable of infecting crops, livestock populations, and human populations. Anthrax is a widely exploited bioagent responsible for attacks ranging from the Germans’ deployment in World War I to the mailing of anthrax through the postal service in attempts on U.S. senators’ lives. With the development of genetic manipulations, the Soviet Union began modifying anthrax to resist detection and treatment. With the continued advancement of science and technology, a new bioagent has entered the scene – the man-made chimeric virus. Chimeric viruses …
Non-Capsular Virulence Factors Of Cryptococcus Neoformans, Kirk Nickish
Non-Capsular Virulence Factors Of Cryptococcus Neoformans, Kirk Nickish
Senior Honors Theses
Cryptococcus neoformans is an emerging pathogen that kills hundreds of thousands every year, especially in underdeveloped areas with little access to modern medical care. New treatments for the disease are needed to shorten treatment and decrease the side effects and costs associated with the drugs currently in use. Many C. neoformans genes have been identified that are necessary for full virulence in the host. Cir1, a regulatory protein associated with iron regulation, and Zip1, a surface zinc transporter, are both necessary for full virulence in the host. Anti-fungals targeted at these proteins or the proteins produced by other genes discussed …
Colonization Of Intestinal Pathogen Changes The Gut Microbiota, Kaitlyn Shondelmyer
Colonization Of Intestinal Pathogen Changes The Gut Microbiota, Kaitlyn Shondelmyer
Senior Honors Theses
Enterohemorrhagic Escherechia coli is a serious human pathogen causing bloody diarrhea and hemolytic uremic syndrome. It is difficult to study in animal models, but pathogenesis may be modeled in mice with the similar murine pathogen, Citrobacter rodentium. C. rodentium does not cause disease in streptomycin-treated mice, suggesting that it is competition with other facultative anaerobes that triggers pathogenesis. Streptomycin-treated mice were co-colonized with C. rodentium and a commensal E. coli strain. The intestinal microbiota of each group was observed over a 15-day period using quantitative PCR. Colon weights were also measured over the same period. Results indicate that the …