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Theses/Dissertations

University of Massachusetts Amherst

2014

Anaerobic microbes

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Anaerobic Microbes And Communities In The Context Of Soil And The Equine Digestive Tract, Amy Biddle Apr 2014

Anaerobic Microbes And Communities In The Context Of Soil And The Equine Digestive Tract, Amy Biddle

Doctoral Dissertations

Soil and herbivore gut environments present different challenges to plant degrading bacteria in terms of nutrient availability, fluctuations in moisture, pH and temperature, and temporal constraints, however complex communities of microbes in each serve similar roles in hydrolyzing and fermenting the diverse components of plant biomass. This dissertation describes four projects with the underlying purpose to further understand the structure and functioning of anaerobic plant degrading communities. (1) A three-year microcosm experiment using enrichment and serial transfers to reduce the diversity of a complex soil community over time, tested the hypothesis that changes in community structure would be consistent across ...