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Articles 31 - 34 of 34
Full-Text Articles in Organisms
Endonucleolytic Cleavage In The Expansion Segment 7 Of 25s Rrna Is An Early Marker Of Low-Level Oxidative Stress In Yeast, Daniel Shedlovskiy, Jessica A Zinskie, Ethan Gardner, Dimitri G Pestov, Natalia Shcherbik
Endonucleolytic Cleavage In The Expansion Segment 7 Of 25s Rrna Is An Early Marker Of Low-Level Oxidative Stress In Yeast, Daniel Shedlovskiy, Jessica A Zinskie, Ethan Gardner, Dimitri G Pestov, Natalia Shcherbik
Rowan-Virtua School of Osteopathic Medicine Departmental Research
The ability to detect and respond to oxidative stress is crucial to the survival of living organisms. In cells, sensing of increased levels of reactive oxygen species (ROS) activates many defensive mechanisms that limit or repair damage to cell components. The ROS-signaling responses necessary for cell survival under oxidative stress conditions remain incompletely understood, especially for the translational machinery. Here, we found that drug treatments or a genetic deficiency in the thioredoxin system that increase levels of endogenous hydrogen peroxide in the yeast Saccharomyces cerevisiae promote site-specific endonucleolytic cleavage in 25S ribosomal RNA (rRNA) adjacent to the c loop of …
Characterization Of Bacterial Pathogens Involved In Aerobic Vaginitis: Prevalence, Strain Characterization And Sequelae, Leslie A. Lafferty
Characterization Of Bacterial Pathogens Involved In Aerobic Vaginitis: Prevalence, Strain Characterization And Sequelae, Leslie A. Lafferty
Graduate School of Biomedical Sciences Theses and Dissertations
Aerobic vaginitis (AV) is a more recently defined infection that involves aerobic pathogenic bacteria that replace the normal flora of the vaginal tract. It is commonly mistaken for other vaginal infections, such as bacterial vaginosis (BV), because they share many common symptoms. AV leads to complications during pregnancy, such as premature delivery and amnion infection, and is diagnosed by indications that range from vaginal discharge to inflammation. Because this infection is difficult to diagnose differentially from other vaginal infections, it is important to determine what pathogens are involved in AV so that we may have the ability to detect them. …
Structural And Functional Interactions Between Bro1 Domain Of Human Alix Protein And Nucleocapsid Packaging Rna Complex From Hiv, Scott Gross
Graduate School of Biomedical Sciences Theses and Dissertations
A virus is only as powerful as its ability to spread. Enveloped retroviruses, namely HIV-1, use exocytosis pathways that normal host cells use to release particles from the plasma membrane. The main pathways of interest in this study are the Endosomal Sorting Complex Required for Transport (ESCRT) and adjacent ALIX pathways. The ESCRT pathway is especially important for degradation of receptor/cargo complexes that form Multi-Vesicular Bodies (MVBs). Currently, there is no known therapy that targets this endosomal pathway, which would prevent the spread of the virus to other cells. The virus has adapted to jump from pathway to pathway when …
The Development Of A Comprehensive Antifungal Susceptibility Testing Assay For Vulvovaginal Candidiasis Therapy, David Hardaker
The Development Of A Comprehensive Antifungal Susceptibility Testing Assay For Vulvovaginal Candidiasis Therapy, David Hardaker
Graduate School of Biomedical Sciences Theses and Dissertations
Vulvovaginal candidiasis is the most common fungal infection of the female urogenital tract, commonly caused by Candida albicans and C. glabrata. However, treatment can be difficult when caused by non-albicans strains due to resistance to the oral antifungal drug fluconazole. The mechanism through which strains of Candida, particularly C. glabrata, develop resistance to different antifungal classes has not been completely characterized. The ergosterol biosynthesis pathway, an important component of the cell membrane, is the major target of antifungals such as fluconazole, an inhibitor of the ERG 11 gene. Current research shows that an upregulation of specific genes in C. glabrata …