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Gut Reactions: Quantitative Predictions Of The Responses Of Human Gut Microbiota To Medical Interventions, Amy Elizabeth Langdon
Gut Reactions: Quantitative Predictions Of The Responses Of Human Gut Microbiota To Medical Interventions, Amy Elizabeth Langdon
Arts & Sciences Electronic Theses and Dissertations
The collection of microbes known as the human microbiome perform vital functions for their host, and when this community becomes unhealthy, its dysbiosis is implicated in a myriad of diseases. The gut microbiota in particular are known to suppress colonization of opportunistic pathogens, regulate the immune system, aid in nutrient breakdown, produce vitamins, and a growing number of other functions. In order to intervene in a dysbiotic microbial ecology, we can try to remove unwanted microbes or try to recolonize the gut with microbes expected to be beneficial. This dissertation provides an overview of the state of medical interventions for …
Multi-Omic Understanding Of The Evolution Of Xenobiotic Tolerance In Bacterial Isolates And Communities, Tayte Paul Campbell
Multi-Omic Understanding Of The Evolution Of Xenobiotic Tolerance In Bacterial Isolates And Communities, Tayte Paul Campbell
Arts & Sciences Electronic Theses and Dissertations
Xenobiotic compounds are any chemicals that are released into an environment by human action and that occur at concentrations higher than found naturally. Xenobiotics, including aromatic compounds and antibiotics, are recalcitrant to degradation because they are often toxic or mutagenic. Despite this toxicity, bacteria account for a large portion of xenobiotic degradation in the environment. Bacteria are able to adapt to these foreign chemicals, gaining increased levels of tolerance and increased rates of xenobiotic degradation. On the strain level, increased tolerance can be caused by mutations in individual cells or through the acquisition of genes from other cells. At the …