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Filtering by: Creator Schlax, M. G. Remove constraint Creator: Schlax, M. G. Committee Member Bottomley, Peter Remove constraint Committee Member: Bottomley, Peter Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School

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Analysis of Bacteroidales 16S rRNA gene sequences from a geographically isolated human population

Creator:

Petersen, Carolyn A.

Abstract:

Standard methods of measuring fecal pollution in water do not distinguish between human and non-human sources. Molecular technology enabled the development of host-specific markers that distinguish fecal sources. Human specific PCR primers, HF183F and HF134F, were designed based on phylogenetic analyses of partial 16S rRNA gene sequences from the Bacteroidales...

Resource Type:

Masters Thesis

Full Text:

Isolated Human Population. Abstract approved Katharine G. Field Standard methods of
Microbial analysis of coniferous forest and nursery soils : effects of ectomycorrhizae, volatiles, and humic-rich organic substrates

Creator:

Schisler, David Albert

Abstract:

Fusarium spp. frequent conifer nursery soils yet are rarely recovered from coniferous forest soils. Experiments were performed to determine what influence humic-rich organic amendments and volatiles from soil, ectomycorrhizal fungi and ectomycorrhizae have on the populations of several physiologic and taxonomic microbial groups potentially related to this phenomenon. A comparative...

Resource Type:

Dissertation

Full Text:

privacy Dr. Robert G. Linderman Fusarium spp. frequent conifer nursery soils yet are rarely recovered
Biology and control of Fusarium spp. on Douglas-fir (Pseudotsuga menziesii)

Creator:

Hoefnagels, Mariëlle Henriette, 1965-

Abstract:

Fusarium spp. are among the most important pathogens of Douglas-fir (Pseudotsuga menziesii) seedlings in bareroot nurseries. Currently the most effective disease control method is soil fumigation with methyl bromide. As methyl bromide is phased out, however, other disease management strategies may become more important. We explored two alternative approaches to...

Resource Type:

Dissertation

Full Text:

Fusarium spp. on Douglas-fir (Pseudotsuga menziesii) Abstract approved: Robert G. Linderman Fusarium
Biology, epidemiology, and biological and chemical control of Phytophthora vignae

Creator:

Fernando, W. Gerard Dilantha

Abstract:

Phytophthora vignae, causal agent of stem and root rot of cowpea (Vigna unguiculata), was reported for the first time in Sri Lanka. The pathogen was found in cowpea field soils from 3 of 5 geographic regions sampled. Only one site however, had plants exhibiting disease symptoms. Of the eight cowpea...

Resource Type:

Dissertation

Full Text:

Privacy Dr. Robert G. Linderman Phytophthora vignae, causal agent of stem and root rot of cowpea (Vigna
Anaerobic biodegradation of the cyclic nitramines, RDX and HMX, by ovine ruminal microbes

Creator:

Eaton, Hillary L.

Abstract:

Cyclic nitramines released into all environmental compartments through anthropogenic activities are toxic and possibly carcinogenic and mutagenic. Soils on military ranges, located throughout the world in various climatic regions and close to human activities, are especially susceptible to cyclic nitramine contamination. The properties of soils on military ranges will directly...

Resource Type:

Dissertation

Full Text:

and HMX, by Ovine Ruminal Microbes Abstract approved: Albert M
Post-translational modifications of vaccinia virus proteins : molecular analysis of the myristylated L1R gene produc

Creator:

Ravanello, Monica P. G.

Resource Type:

Dissertation

Full Text:

at the amino-terminus has been determined and may be summarized as follows: (M -) G (A/S/V/G/L) X X
Uranium and technetium bio-immobilization in intermediate-scale physical models of an in situ bio-barrier

Creator:

Michalsen, Mandy M.

Abstract:

Metal and hydrogen ion acidity and extreme nitrate concentrations typical of Department of Energy (DOE) legacy waste sites pose formidable challenges to successful implementation of in situ bio-immobilization. Intermediate-scale (~ 2.5 m), flow through models of an in situ bio-barrier were constructed to investigate U and Tc removal from groundwater...

Resource Type:

Dissertation

Full Text:

ABSTRACT OF THE DISSERTATION OF Mandy M. Michalsen for the degree of Doctor of Philosophy in Civil
Identification of intracellular trafficking signals contained within the vaccinia virus F13L protein

Creator:

Honeychurch, Kady M.

Abstract:

The F13L protein is the major envelope antigen of vaccinia virus, the prototypic member of the Orthopoxvirus genus. F13L is 372 residues in length and is essential for the formation of wrapped forms of virus. F13L contains a number of potential functional domains including a palmitylation site, a phospholipase domain...

Resource Type:

Dissertation

Full Text:

DISSERTATION OF Kady M. Honeychurch for the degree of Doctor of Philosophy in Microbiology presented on
Preliminary investigation of microbial indicators in the assessment of Oregon streams

Creator:

Campbell, Heidi M. K.

Abstract:

The Environmental Monitoring and Assessment Program (EMAP) site selection protocol was used to generate a random sample of streams throughout the state of Oregon. One hundred and forty-six selected streams were sampled during the summer, low-flow period of 1997. Traditional microbial public health indicators, including heterotrophic plate counts (HPC), total...

Resource Type:

Masters Thesis
Fatty acid profiling of soil microbial communities : a comparison of extraction methods and temporal dynamics in plant residue amended soils

Creator:

Fernandes, Marcelo Ferreira

Abstract:

A method based on fatty acid (FA) analysis is used to profile microbial community structure (MCS). Various extraction protocols are available, which alter the types of FAs extracted from soils. The more time consuming but widely used protocol extracts only FAs from phospholipids (PLFA). This technique is desirable because PLFAs...

Resource Type:

Dissertation

Full Text:

Figure Page 1.1. NMS representation of sample distances based on the abundance (pmol g-1 soil

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Academic Affiliation

Botany and Plant Pathology9
Microbiology9
Crop and Soil Science7
Soil Science4
Chemical, Biological and Environmental Engineering3
more Academic Affiliations »

Advisor

Dick, Richard P.5
Hruby, Dennis E.3
Linderman, Robert G.3
Myrold, David D.3
Arp, Daniel J.2
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1985 to 2014

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Committee Member

Bottomley, Peter[remove]49
Baham, John3
Loper, Joyce3
Myrold, David3
Semprini, Lewis3
more Committee Members »

Creator

Al Zoreky, Nageb1
Bandick, Anna Katrina1
Briggs, Brandon R.1
Burton, Marci S.1
Campbell, Heidi M. K.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1984 to 2013

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Decade

2010-20199
2000-200917
1990-199911
1980-198912

Degree Field

Soil Science11
Botany and Plant Pathology9
Microbiology9
Oceanography4
Civil Engineering3
more Degree Fields »

Degree Level

Doctoral28
Master's21

Degree Name

Doctor of Philosophy (Ph.D.)28
Master of Science (M.S.)21

File Format

application/pdf8

Language

English [eng]49

License

All rights reserved23

Non-Academic Affiliation

Oregon State University. Graduate School[remove]49

Peer Reviewed

No48

Resource Type

Dissertation28
Masters Thesis21

Rights Statement

In Copyright25
Copyright Not Evaluated24

Subject

Nitrogen -- Fixation3
Bioremediation2
Fusarium2
Nitrification2
Nitrosomonas2
more Subjects »

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