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G-Quadruplex Dna Structures And Site Specific Genetic Instability, Jonathan David Williams
G-Quadruplex Dna Structures And Site Specific Genetic Instability, Jonathan David Williams
Theses and Dissertations
Repetitive DNA comprises a majority of the human genome yet functions and overall impacts on site-specific genetic instability are not fully defined. Repetitive G-rich sequences have the propensity to form G-quadruplex (G4), which are stable non-B form DNA structures. G4 structures are conspicuously found at regions of site-specific instability. Even so, human genomic loci capable of forming this structure and their connection to DNA rearrangements are just beginning to be elucidated. My dissertation focuses on G4 structures and their capacity to promote site-specific changes in the human genome, particularly at oncogenes. I identified and investigated new biologically relevant G4 loci …