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Rhizosphere microfloras associated with mycorrhizae of Douglas-fir and red alder

Creator:: Neal, John Lloyd
Abstract:: The mycorrhizal rootlets of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco.) and red alder (Alnus rubra Bong.) were extensively investigated. A jet-black mycorrhiza was found to be dominant on Douglas-fir rootlets. The fungal symbiont was identified as Cenococcum graniforme (Sow.) Ferd. and Winge. Two forms of mycorrhizae predominated on root systems of...
Resource Type:: Dissertation
Full Text:: Douglas-fir and red alder AN ABSTRACT OF THE THESIS OF JOHN LLOYD NEAL, JR. for the DOCTOR OF

H. pylori virulence factor CagA increases intestinal cell proliferation by Wnt pathway activation in a transgenic zebrafish model

Creator:: Neal, James T., Peterson, Tracy S., Kent, Michael L., and Guillemin, Karen
Abstract:: Infection with Helicobacter pylori is a major risk factor for the development of gastric cancer, and infection with strains carrying the virulence factor CagA significantly increases this risk. To investigate the mechanisms by which CagA promotes carcinogenesis, we generated transgenic zebrafish expressing CagA ubiquitously or in the anterior intestine. Transgenic...
Resource Type:: Article
Full Text:: upregulation of the Wnt target genes cyclinD1, axin2 and the zebrafish c-myc ortholog myca. Coexpression of

The discriminator domain : does it reside at the C-terminus or the N-terminus of Escherichia coli Lon?

Creator:: Miller, Darcey L.
Abstract:: The mechanisms of substrate recognition by regulatory proteases are not well understood. Presently, two opposing models have arisen to describe E. coil Lon's ability to discriminate between substrates: one suggests the N-terminus involvement while the second suggests the C-terminus involvement. In this project, the role of the C-terminal domain as...
Resource Type:: Masters Thesis
Full Text:: Reside at the C-terminus or the N-terminus of Escherichia coli Lon? Abstract approved: Janine E. Trempy

Molecular characterization of the MX genes of rainbow trout (Oncorhynchus mykiss)

Creator:: Trobridge, Grant David
Abstract:: The Mx protein family of rainbow trout (Oncorhynchus mykiss) was characterized at the molecular level. With primers derived from a partial sequence of Perch (Perca fluviatis) Mx genomic DNA, a partial rainbow trout Mx genomic DNA sequence was obtained by polymerase chain reaction (PCR) amplification. All salmonid fish investigated contained...
Resource Type:: Dissertation
Full Text:: of Rainbow Trout (Oncorhynchus vkiss). Abstract approved: Jo-Ann C. Leong The Mx protein

Characterization of interferon and retroposon-like repetitive elements in salmonid fish

Creator:: Tengelsen, Leslie A.
Abstract:: Hatchery-reared salmonid fish routinely encounter stress due to handling, barging, tagging, and overcrowding. It has been demonstrated that there exists a direct correlation between stress and transient immune suppression which can last for many days in fish. Epizootic viral infections routinely appear in hatcheries and can have a devastating effect...
Resource Type:: Dissertation
Full Text:: Interferon and Retroposon-like Repetitive Elements in Salmonid Fish Abstract approved: Jo-Ann C.1,::Z

Analysis of immune modulators in rainbow trout (Oncorhynchus mykiss)

Creator:: Mourich, Dan V.
Abstract:: The immune systems of various teleost fish have been studied in some detail for the past several decades. One aspect of fish immunity, that of endogenously produced modulating factors, has recently received a great deal of attention. Understanding the functions and roles of endogenous factors that regulate fish immunity is...
Resource Type:: Dissertation
Full Text:: biological and biochemical properties (Stewart, 1980). Type I interferons include INF-a and INF-ii Both are

Aeromonas salmonicida and aeromonas hydrophila (liquefaciens) as pathogens of salmonid fish. A. Selective aeromonas medium. B. Comparative characteristics of virulent and avirulent strains of aeromonas salmonicida. C. Effect of water temperature on aeromonas infections

Creator:: McCoy, Ralph Hines
Abstract:: Studies were directed toward the formulation of a selective Aeromonas medium that would permit the isolation of Aeromonas species in the presence of other common bacterial flora. The final composition of this medium, PBG Agar, in grams per liter, is: Bacto-peptone, 10; Bacto-beef extract, 10; glycogen, 4; NaCl, 5; sodium...
Resource Type:: Dissertation
Full Text:: salmonicida. C. Effect of Water Temperature on A9romorkas,,Infections. Abstract approved: Redacted for

Distribution, decay, and quantification of fecal source-tracking markers

Creator:: Green, Hyatt C.
Abstract:: Waterborne fecal contamination poses serious risks to human health and can disrupt aquatic ecosystems. Molecular marker methods are widely used to identify and, in some cases, quantify the sources of contamination and guide management decisions regarding water resource protection. However, methods to detect some likely sources of fecal contamination such...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Hyatt C. Green for the degree of Doctor of Philosophy in

Sphingolipid Perturbations as Mechanisms for Fumonisin Carcinogenesis

Creator:: Riley, Ronald T., Enongene, Evaristus, Voss, Kenneth A., Norred, William P., Meredith, Filmore I., Sharma, Raghubir P., Spitsbergen, Jan, Williams, David E., Carlson, David B., and Merrill, Alfred H. Jr.
Abstract:: There is a great deal of evidence that altered sphingolipid metabolism is associated with fumonisin-induced animal diseases including increased apoptotic and oncotic necrosis, and carcinogenesis in rodent liver and kidney. The biochemical consequences of fumonisin disruption of sphingolipid metabolism most likely to alter cell regulation are increased free sphingoid bases...
Resource Type:: Article
Full Text:: . Carcinogenesis 21:1537–1546 (2000). 23. Ciacci-Zanella JR, Merri l l AH Jr, Wang E, Jones C. Characterization

A comparison of soil microfungi in forest stands of Red Alder, Conifer, and Alder-Conifer mixtures

Creator:: Wicklow-Howard, Marcia C. (Marcia Cope) 1943-
Abstract:: The species composition of soil microfungal populations in-adjacent stands of red alder, conifers, and mixed alder conifer correlated strongly with the dominant vascular vegetation. A total of 92 species were isolated: 55 from the alder stand; 45 from the conifers; and 46 from the mixed alder-conifer, with few species (16,...
Resource Type:: Dissertation
Full Text:: presented C) CA-go-e-r \ 'c' -1 \J Typed by Cheryl E. Curb for Marcia Cope Wicklow ACKNOWLEDGEMENTS I

ScholarsArchive@OSU

Rhizosphere microfloras associated with mycorrhizae of Douglas-fir and red alder

H. pylori virulence factor CagA increases intestinal cell proliferation by Wnt pathway activation in a transgenic zebrafish model

The discriminator domain : does it reside at the C-terminus or the N-terminus of Escherichia coli Lon?

Molecular characterization of the MX genes of rainbow trout (Oncorhynchus mykiss)

Characterization of interferon and retroposon-like repetitive elements in salmonid fish

Analysis of immune modulators in rainbow trout (Oncorhynchus mykiss)

Aeromonas salmonicida and aeromonas hydrophila (liquefaciens) as pathogens of salmonid fish. A. Selective aeromonas medium. B. Comparative characteristics of virulent and avirulent strains of aeromonas salmonicida. C. Effect of water temperature on aeromonas infections

Distribution, decay, and quantification of fecal source-tracking markers

Sphingolipid Perturbations as Mechanisms for Fumonisin Carcinogenesis

A comparison of soil microfungi in forest stands of Red Alder, Conifer, and Alder-Conifer mixtures

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