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Cross-Kingdom Interactions Shape Soil Biogeochemistry In Natural And Agricultural Ecosystems, Jennifer Lynne Kane
Cross-Kingdom Interactions Shape Soil Biogeochemistry In Natural And Agricultural Ecosystems, Jennifer Lynne Kane
Graduate Theses, Dissertations, and Problem Reports
Microorganisms influence life on earth in innumerable ways, including in medical, industrial, environmental, and agricultural contexts. Given the increasingly apparent consequences of climate warming, interest in how to better predict and manage Earth’s carbon sinks has never been greater. Soil, the largest terrestrial carbon sink, harbors an incredibly taxonomically and functionally diverse microbial community. These soil-dwelling microbes govern the fate of soil carbon and nutrients by cycling organic matter as they live, grow, and die. It has only been relatively recently that technological advancement has allowed for in-depth surveys of the vast diversity of soil microbes. High throughput analytical capabilities …
Investigating The Interplay Of The Immune System, Skin Barrier, And Microbiome Following Dermal Exposure To Triclosan, Rachel Baur
Investigating The Interplay Of The Immune System, Skin Barrier, And Microbiome Following Dermal Exposure To Triclosan, Rachel Baur
Graduate Theses, Dissertations, and Problem Reports
Triclosan is an antimicrobial chemical used in healthcare products that are applied to the skin. However, exposure to triclosan has been positively associated with food allergy, aeroallergy, and asthma severity in humans. In mice, dermal triclosan exposure, although not directly sensitizing, has been shown to augment the allergic response in a model of asthma. Furthermore, exposure to triclosan on mouse skin has been demonstrated to be immunomodulatory through the activity of thymic stromal lymphopoietin and S100 calcium-binding protein A8. The skin barrier and microbiome are known to interact with the immune system and disruptions in barrier integrity and the microbiome …
Anthropogenic Disturbance Regimes Impact The Microbial And Chemical Composition Of Soils And Sediments Across Ecosystems, Gregory D. Martin
Anthropogenic Disturbance Regimes Impact The Microbial And Chemical Composition Of Soils And Sediments Across Ecosystems, Gregory D. Martin
Graduate Theses, Dissertations, and Problem Reports
Human activities have led to profound changes in the climate and environment, fundamentally changing global carbon and nitrogen cycles. Ongoing conversion of wildland for human use and the intensification of agricultural systems have dire consequences for biodiversity and the ecosystem services that support society. While natural disturbance regimes are important for the long-term maintenance of native biodiversity and ecosystem function, many disturbances are becoming increasingly frequent due to anthropogenic activities. Increasing the frequency, intensity, or duration of disturbances can prevent ecosystems from returning to their previous equilibria. Disturbance-induced changes to the local environment shape microbial communities, which in turn govern …