Index Catalog // ScholarsArchive@OSU

Characterizing the Accuracy of Phylogenetic Analyses that Leverage 16S rRNA Sequencing Data

Creator:: Humphreys, Ian R.
Abstract:: Investigations of 16S rRNA gene sequences hallmark modern microbiology. These sequences provide culture-independent insight into the abundance and distribution of microbiota and serve as a principle resource through which microbial community diversity is measured. Consequently, researchers rely on 16S gene sequences to test hypotheses rooted in ecology, evolution, and disease....
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: ______________________________________________________ Thomas J. Sharpton

Harnessing Heterogeneity in Human Gut Microbiome Data

Creator:: Tataru, Christine
Abstract:: The focus of this thesis is to design, characterize, and apply novel computational methods and molecular systems to interrogate heterogeneous human gut microbiome-related phenomena. In Chapter 2, I design, implement, and characterize a method for embedding co-occurrence patterns derived from massive 16s amplicon datasets. I use this method to 1....
Resource Type:: Dissertation

The Influence of Microbial Communities on Spatiotemporal Elemental Cycling in Coastal Margins Revealed by Community- and Population-level Genomics and Proteomics

Creator:: Kieft, Brandon P.
Abstract:: Biotic and abiotic processes at continent-ocean interfaces cycle a disproportionate mass of carbon and nutrients relative to their global surface area, and microbial activity is a principal determinant of organic and inorganic matter flux in these transition zones. Most studies using modern high-throughput ‘omics techniques to link microorganisms with costal...
Resource Type:: Dissertation

Impacts of Environmental Change on a Newly-characterized Symbiosis between a Novel Bacterial Parasite, Genus Aquarickettsia, and the Coral Acropora cervicornis

Creator:: Klinges, J. Grace
Abstract:: Coral reef ecosystems continue to be significantly altered by disease epizootics, but why some host populations remain resistant while others succumb to outbreaks remains unknown. Research across diverse animal and plant host systems has revealed that disease severity is strongly influenced by host genetics and by environmental influences on both...
Resource Type:: Dissertation
Full Text:: Busby, Dr. Thomas Sharpton, and Dr. Stephen Giovannoni as well as to Dr. Erinn Muller, who was a

Culturing uncultured environmental microorganisms

Creator:: Connon, Stephanie A.
Abstract:: Research on natural environments, over the last decade, is replete with microbial diversity studies that used culture-independent approaches. The cloning and sequencing of the 16S rRNA genes has been the driving force in the expansion of awareness about the great diversity of previously undiscovered microorganisms. Well-known uncultured groups of microorganisms...
Resource Type:: Dissertation
Full Text:: . Amann, R. I., L. Krumholz and D. A. Stahl (1990). Fluorescent-oligonucleotide probing of whole cells for

The isolation of Lactococcus lactis subsp. cremoris from nature with probes for 16S ribosomal RNAs

Creator:: Salama, Maysoon
Resource Type:: Dissertation
Full Text:: . J. Olsen, D. A. Stahl, M. L. Sogin, and N. R. Pace. 1985. Rapid determination of 16S ribosomal

Microbial diversity, metabolic potential, and transcriptional activity along the inner continental shelf of the Northeast Pacific Ocean

Creator:: Bertagnolli, Anthony D.
Abstract:: Continental shelves located along eastern boundary currents occupy relatively small volumes of the world’s oceans, yet are responsible for a large proportion of global primary production. The Oregon coast is among these ecosystems. Recent analyses of dissolved oxygen at shallow depths in the water column has suggested increasing episodes of...
Resource Type:: Dissertation

A study of corynebacterial kidney disease of salmonid fishes

Creator:: Rowse-Eagle, Debra H.
Abstract:: This study was undertaken to compile a comprehensive review of the literature and to gain a better understanding of the host-parasite relationship in corynebacterial kidney disease of salmonid fishes. An indirect fluorescent antibody technique was developed which allowed differentiation of intra- and extracellular bacteria. This technique was used in combination...
Resource Type:: Masters Thesis
Full Text:: California Department of Fisheries, in parti- cular, Hal Wolf and Buzz Nelson Trena Stahl and Liz Goldman

A study of the lipids of Pseudomonas aeruginosa sensitive and resistant to chloramphenicol and quaternary ammonium compound

Creator:: Anderes, Eugene Armin
Abstract:: From a population of cells of Pseudomonas aeruginosa sensitive 33 parts per million (ppm) and 0.1 mg per ml of quaternary ammonium (QAC) and chloramphenicol respectively, pure strains resistant to 750 ppm and 50 mg per ml of these antibiotics were isolated. Lipids from the sensitive and resistant cells grown...
Resource Type:: Dissertation
Full Text:: chromatography. Thin layer chromatography has been developed by Malins and Mangold (63), Stahl (91) and others

Single-Cell Genomics of Uncultivated Marine Bacteria

Creator:: Landry, Zachary
Abstract:: Historically, the difficulty of obtaining pure cultures of abundant marine microbial plankton has an obstacle to reconstructing the underlying mechanisms of biogeochemistry in the ocean. While a number of dominant marine species from the ocean surface have been cultured, the dominant microbial plankton of the dark ocean proved far more...
Resource Type:: Dissertation

ScholarsArchive@OSU

Characterizing the Accuracy of Phylogenetic Analyses that Leverage 16S rRNA Sequencing Data

Harnessing Heterogeneity in Human Gut Microbiome Data

The Influence of Microbial Communities on Spatiotemporal Elemental Cycling in Coastal Margins Revealed by Community- and Population-level Genomics and Proteomics

Impacts of Environmental Change on a Newly-characterized Symbiosis between a Novel Bacterial Parasite, Genus Aquarickettsia, and the Coral Acropora cervicornis

Culturing uncultured environmental microorganisms

The isolation of Lactococcus lactis subsp. cremoris from nature with probes for 16S ribosomal RNAs

Microbial diversity, metabolic potential, and transcriptional activity along the inner continental shelf of the Northeast Pacific Ocean

A study of corynebacterial kidney disease of salmonid fishes

A study of the lipids of Pseudomonas aeruginosa sensitive and resistant to chloramphenicol and quaternary ammonium compound

Single-Cell Genomics of Uncultivated Marine Bacteria

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