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Development Of Indicators For Human Fecal Pollution Using Deep-Sequencing Of Microbial Communities, Shuchen Feng
Development Of Indicators For Human Fecal Pollution Using Deep-Sequencing Of Microbial Communities, Shuchen Feng
Theses and Dissertations
The gut microbiome is shaped by both host physiology and environmental factors, which results in unique communities that contain certain members specific to a host. Microbial source tracking (MST) methods that rely on host-specific fecal microorganisms have been applied to detect human fecal pollution over the past two decades. The most common approach uses quantitative polymerase chain reaction (qPCR) to amplify certain sequences of these microorganisms, or human fecal markers. To date, most bacterial human fecal markers have focused on the HF183 cluster within the genus Bacteroides. However, cross-reactions with animals or variable Bacteroides abundance in humans have been found. …