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Full-Text Articles in Life Sciences
Genomic Instability At A Polypurine/Polypyrimidine Repeat Sequence, Nathen S. Zavada
Genomic Instability At A Polypurine/Polypyrimidine Repeat Sequence, Nathen S. Zavada
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Microsatellite repeat sequences have been shown to induce replication stalling, fork collapse, double-strand breaks (DSBs), and possibly stimulate break-induced replication. In this study we use a dual-fluorescent HeLa model that is designed to monitor recombination at an ectopic site through use of flow cytometry and inverse PCR with a microsatellite in the lagging strand for DNA synthesis. To test the stability of the 78 bp polypurine/pyrimidine repeat from the PDK1 locus, we subjected cells to replication stress drugs designed to induce DSBs and measure break-induced replication (BIR). The study revealed that polypurine repeat cells undergo endogenous stress contributing to instability …
Genotyping For Response To Physical Training, Stacy Simmons
Genotyping For Response To Physical Training, Stacy Simmons
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Understanding the inter-individual variability in physical fitness performance has been the focus of scientific research for decades especially in the United States military. Injury and physical inadequacy cost the U.S military millions of dollars every year. The project PHITE (Precision High Intensity Training through Epigenetics) was funded to investigate this personal complex trait by combing the genetic and epigenetic (non-shared environmental factors) contributions into a single model for physical training response. This project is set up as having 150 male and female recruits between the ages of 18-27 years old. Each participant is randomly put blind into either a high …