Index Catalog // ScholarsArchive@OSU

Influence of soil acidity upon nodulation and growth characteristics of Trifolium subterraneum L.

Creator:: Almendras, Angela S.
Abstract:: Previous research had identified four serogroups of Rhizobium trifolii indigenous to Abiqua soil (fine, mixed, mesic, Cumulic Ultic Haploxerolls). Nodulation of subterranean clover (Trifolium, subterraneum L.) by two of the serogroups, 6 and 36, was influenced by the application of CaC0₃ to the soil. The studies described in this thesis...
Resource Type:: Dissertation
Full Text:: characteristics of Trifolium subterraneum L. AN ABSTRACT OF THE THESIS OF Angela S. Almendras for the degree of

Ecology of a soil population of Rhizobium leguminosarum bv. trifolii

Creator:: Leung, Kam-tin
Resource Type:: Dissertation
Full Text:: . Trifolii Abstract approved: Peter J. Botto Although 14 antigenically distinct serotypes of Rhizobium

Evaluation of bioluminescence as a measure of bacterial cell density in porous media

Creator:: Uesugi, Sandra L.
Abstract:: Salicylate-induced, lux gene dependent bioluminescence was measured using a cooled charge-coupled device (CCD) camera to evaluate its potential as a quantitative measurement of cell density of Pseudomonas fluorescens HK44 in porous media. The CCD camera was able to detect bioluminescence from cell densities between 1x10⁶ and 1x10⁸ cells/ml in both...
Resource Type:: Masters Thesis
Full Text:: Bioluminescence as a Measure of Bacterial Cell Density in Porous Media. Abstract approved: Peter J. Bottomley

Measurement of microbial biomass phosphorus in Oregon soils

Creator:: Claycomb, Peter T.
Resource Type:: Masters Thesis
Full Text:: Redacted for Privacy 0 Dean of Graduate S ool Date Thesis is presented April 21, 1992 Typed for Peter T

An investigation of carbon and nitrogen metabolism through a genomic analysis of the genus Nitrobacter

Creator:: Starkenburg, Shawn R.
Abstract:: The chemolithoautotrophic nitrite oxidizing bacteria (NOB) participate in the biogeochemical cycling of nitrogen by catalyzing and conserving energy from the oxidation of nitrite (NO₂-) to nitrate (NO₃-) via a nitrite oxidoreductase (NXR). The main objective of this work was to comparatively annotate and analyze the genome sequences of Nitrobacter winogradskyi...
Resource Type:: Dissertation
Full Text:: : ___________________________________________________________ Peter J. Bottomley The chemolithoautotrophic nitrite oxidizing bacteria (NOB) participate

Interactions between microbial dynamics, water flow, and solute transport in unsaturated porous media

Creator:: Yarwood, Rockie R.
Abstract:: Bioremediation in the vadose zone is unpredictable because of poor understanding of factors influencing microbial growth in this environment. A lab-scale experimental system was developed to examine, noninvasively, interactions between microbial growth, water flow, and solute transport in unsaturated porous media. Measurements of microbial colonization, and its impact on hydrology,...
Resource Type:: Dissertation
Full Text:: : Peter J. Bioremediation in the vadose zone is unpredictable because of poor understanding of factors

Characteristics of bradyrhizobium sp. recovered from Oregon soils

Creator:: Cheng, Hsin-hua
Abstract:: Although the biology of Bradyrhizobium has been studied for almost one hundred years, virtually nothing is known about the ecology and genetic variation in natural soil populations of this genus. The majority of information has been obtained from studies of one species, Bradyrhizobium japonicum, and the diversity within soil populations...
Resource Type:: Masters Thesis
Full Text:: soils. Redacted for Privacy Abstract Approved: Peter J. Bottoy Although the biology of

Control of alkane monooxygenase activity and expression in Pseudomonas butanovora

Creator:: Doughty, David M.
Abstract:: The regulation of monooxygenase enzymes has been demonstrated in bacteria that grow on methane and long chain-length alkanes (>C10). Less is known about monooxygenase regulation in short chain alkane oxidizing bacteria that grow on intermediate chain-length alkanes C2-C10. This dissertation focuses on the regulation of butane monooxygenase (BMO) expression and...
Resource Type:: Dissertation
Full Text:: :__________________________________________________ Peter J. Bottomley The regulation of monooxygenase enzymes has been demonstrated in

Episodic dynamics of microbial communities associated with the birth and death of ectomycorrhizal mats in old-growth Douglas-fir stands

Creator:: Blanchard, Joseph H.
Abstract:: Ectomycorrhizal (ECM) fungi of the genera Piloderma and Ramaria form dense hyphal mats in the organic and upper mineral soil layers, respectively, in coniferous forest floors of the Pacific Northwest. Previous studies have determined that fungal mats change the chemical, physical, and biological properties of the soil within. Little information...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ Peter J. Bottomley Ectomycorrhizal (ECM) fungi of the genera Piloderma and Ramaria form

Growth characteristics of 2,4-dichlorophenoxyacetic acid degrading bacteria recovered from an Oregon soil

Creator:: Phillips, David C.
Resource Type:: Masters Thesis
Full Text:: approved: Peter J. Bottom ley Man-made pesticides have been used extensively in agriculture for about 50

ScholarsArchive@OSU

Influence of soil acidity upon nodulation and growth characteristics of Trifolium subterraneum L.

Ecology of a soil population of Rhizobium leguminosarum bv. trifolii

Evaluation of bioluminescence as a measure of bacterial cell density in porous media

Measurement of microbial biomass phosphorus in Oregon soils

An investigation of carbon and nitrogen metabolism through a genomic analysis of the genus Nitrobacter

Interactions between microbial dynamics, water flow, and solute transport in unsaturated porous media

Characteristics of bradyrhizobium sp. recovered from Oregon soils

Control of alkane monooxygenase activity and expression in Pseudomonas butanovora

Episodic dynamics of microbial communities associated with the birth and death of ectomycorrhizal mats in old-growth Douglas-fir stands

Growth characteristics of 2,4-dichlorophenoxyacetic acid degrading bacteria recovered from an Oregon soil

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