Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 273 for “"microbial ecology"”.
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Molecular microbial ecology of hospital ward environments.
… therefore more comprehensive culture-independent microbial ecology studies are required.This study aimed to utilise culture-independent methods to characterise the microbial communities in an orthopaedic ward and theatre environment under normal operating conditions, to determine the distribution …
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APPLIED MICROBIAL ECOLOGY OF ANAEROBIC REACTOR MICROBIOMES
… methanogenic consortia in anaerobic digestion. Microbial chain elongation such as via the reverse ꞵ-oxidation pathway was found as an alternative electron sink with the same anaerobic reactor microbiota. In natural ecosystems such as rumen microbial ecosystem, some anaerobic bacteria are known …
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Microbial Ecology of a Bat Guano Community
Guano from the Gray Bat, Myotis griscescens, represents a major nutrient input into cave systems of Southern Missouri. It forms the base of a dynamic community of microflora and microfauna in a controlled environment. The guano community is found in what normally would be considered a nutrient …
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Microbial Ecology: Spatial Aspects of Pesticide Degradation
… mineralization dependence on mass transfer and microbial motility. Solution phase concentrations of the compound in the vicinity of the degraders were controlled by application method, however, overall fraction of solution phase substrate was not affected, suggesting that mineralization was …
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Trait-based approaches to marine microbial ecology
… the environment jointly regulate the community ecology of phytoplankton. In Chapter 2, I examined Continuous Plankton Recorder observations of diatom and dinoflagellate abundance in the North Atlantic Ocean and interpreted their community ecology in terms of functional traits, as inferred from …
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A mouse model for studying gastrointestinal microbial ecology
… gastrointestinal (GI) tract harbors a complex microbial ecosystem with hundreds of bacterial species at total levels as high as 10¹¹⁻¹² cells/g tissue. These bacteria play an important role in the health of the host as well as in causing disease, but studies on the roles of the GI microflora …
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Quantitative modeling for microbial ecology and clinical trials
Microbial ecology has benefited from the decreased cost and increased quality of next-generation DNA sequencing. In general, studies that use DNA sequencing are no longer limited by the sequencing itself but instead by the acquisition of the samples and by methods for analyzing and interpreting the …
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UNDERSTANDING DIFFERENTIAL ABUNDANCE IN MICROBIAL ECOLOGY USING COMMUNITY STRUCTURE.
… the central statistical methods for identifying microbial features that are associated with macroscopic states. Differentially abundant microbial features can broaden the understanding of disease mechanisms and guide prevention, diagnosis, prognosis, and therapy, yet current DAA methods often …
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The Microbial Ecology of Phenol Degradation in Activated Sludge.
Phenol. Phenol was discovered in 1834 as a byproduct of the coal gas industry and was first used to deodorize the sewers in England. Subsequently, in 1867, Joseph Lister introduced antiseptic surgery by using 5% phenol to disinfect operating room facilities and wounds (6, 25). Lister’s procedure …
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The microbial ecology of cow slurry in vermiculture beds
The suitability of cow slurry as a substrate for vermicomposting by Eisenia fetida was investigated. Particular attention was given to the effects of the earthworm on the decomposition and stabilisation of the slurry; and to the interactions between E. fetida and the microflora of the substrate. …
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Studies on the microbial ecology of open windrow composting
… 2500 years, the underlying principles behind the microbial ecology of composting, is poorly understood. In order to obtain an insight into the ecology and hence, the critical nature of the composting process, a number of low cost open-windrows containing urban botanical wastes were established. …
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The Role of Mechanics on Microbial Ecology within Confined Spaces
… strongly driven by mechanical interactions when microbial colonies inhabit a confined and packed environment, which is crucial to the stability and diversity of the entire ecological system. However, much of the dynamics is lost in conventional bulk measurements without access to single-cell …
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Microbial ecology of anaerobic carbon mineralization in Namibian shelf sediments
… in the sediment and, investigate the control of microbial community structure and activity by the amount and accessibility of carbon sources. The emphasis is on linking microbial community structure (identity) to their function (activity) to provide new insights into the microbial ecology that …
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Statistical estimation problems in phylogenomics and applications in microbial ecology
With the growing awareness of the potential for microbial communities to play a role in human health, environmental remediation and other important processes, the challenge of understanding such a complex population through the lens of high-throughput sequencing output has risen to the fore. For a …
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Microbial Ecology and Horticultural Sustainability of Organically and Conventionally Managed Apples
… and conventional pesticide applications on the microbial ecology of phyllosphere and soil microflora. An important objective was to establish if organic or conventional selection pressures contribute to an increased presence of enteric pathogens in phyllosphere microflora. The horticultural and …
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Microbial Ecology of Subsurface Oil Sands Deposits in Northern Alberta, Canada
… Canada, is an important yet understudied microbial habitat. Over geological time, progressive biodegradation of low molecular weight hydrocarbons by indigenous microorganisms has resulted in an enrichment of high molecular weight hydrocarbons known as bitumen. This is an extreme …
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Application of meta-omics technologies reveals microbial ecology in anaerobic digestion
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-05-01
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Marine carbohydrate-active enzymes illuminate microbial ecology, evolution, and carbonate precipitation
Marine carbohydrate-active enzymes (CAZymes) in microbial mats build, modify, and degrade the matrix of exopolymeric substances (EPS) that structure these ancient ecosystems and control mineral formation via the alkalinity engine and organic surfaces involved in mineral nucleation and growth. …
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