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Characterization of lignocellulose decomposition in stream wood samples using ¹⁴C and ¹⁵N techniques

Creator:: Aumen, Nicholas G.
Resource Type:: Dissertation
Full Text:: in Cascade Mountain stream channels can exceed 40 kg m-2 (Keller and Swanson, 1979). The

Disease models and infectious phenotypes of Mycobacterium avium subspecies paratuberculosis

Creator:: Everman, Jamie L.
Abstract:: Mycobacterium avium subspecies paratuberculosis (MAP) is the causative agent of Johne's disease, a chronic inflammatory bowel disease that affects ruminant populations worldwide. The characteristic stages of the disease make diagnosis difficult, resulting in silent transmission among animals in a herd for years before proper detection of the infection. The extensive...
Resource Type:: Dissertation
Full Text:: , Rashmi Gupta, Jessica Chinison, Michael McNamara, and Laura Hauck, your suggestions, brainstorming

Distribution and coinfection of microparasites and macroparasites in juvenile salmonids in three upper Willamette River tributaries

Creator:: Roon, Sean Robert
Abstract:: Wild fish populations are typically infected with a variety of micro- and macroparasites that may affect fitness and survival, however, there is little published information on parasite distribution in wild juvenile salmonids in three upper tributaries of the Willamette River, OR. The objectives of this survey were to document (1)...
Resource Type:: Masters Thesis
Full Text:: % mortality (~38,000 deaths) in hatchery-reared juvenile Chinook salmon at a large hatchery in Alaska (Hauck

Establishment of an in vitro System for Studying Mycobacterium avium Protein Secretion

Creator:: Chinison, Jessica J.
Abstract:: Cases of pulmonary diseases caused by Mycobacterium avium complex (MAC) have increased over the years and have become a major health concern in Europe, Asia, and the United States. MAC, comprised of M. avium species and M. intracellulare, are found everywhere in the environment: in water sources and the soil....
Resource Type:: Masters Thesis
Full Text:: . MAC, comprised of M. avium species and M. intracellulare, are found everywhere in the environment

Molecular markers from fecal anaerobes to identify nonpoint source pollution in coastal waters

Creator:: Bernhard, Anne E.
Resource Type:: Dissertation
Full Text:: (McFarland and Hauck 1999). This is significant because of the potential for eutrophication in phosphorus

Nitrite dissimilation by microorganisms incapable of efficient nitrate utilization : nutritional and ecological considerations

Creator:: Vangnai, Somsak
Resource Type:: Dissertation
Full Text:: . Grateful appreciation also is extended to Drs. M, D. Dawson, D. 0. Chilcote, R. Y. Morita and R. E

Pathogenic and molecular characterization of three closely related isolates of infectious pancreatic necrosis virus (IPNV)

Creator:: Bruslind, Linda D.
Abstract:: Three closely related isolates belonging to the A₁ serotype of infectious pancreatic necrosis virus (IPNV) were selected for comparison, to provide insight into the nature of variation in the virulence of IPN viruses. Brook trout fry (Salvelinus fontinalis) were experimentally infected with the three isolates by immersion. Cumulative mortalities over...
Resource Type:: Dissertation
Full Text:: in Idaho fish hatcheries (Hauck, 1990). Two recent occurrences in the U.S. succinctly illustrate

Strain differentiation and detection of infectious hematopoietic necrosis virus

Creator:: LaPatra, Scott Edward
Abstract:: The virulence of selected isolants of infectious hematopoietic necrosis virus (IHNV) were differentiated and correlated with electrophoretic mobilities of virion structural proteins by sodium dodecylsulfate polyacrylamide gel electrophoresis. A type 1 electropherotype of IHNV was more virulent for kokanee salmon (Oncorhynchus nerka) and a type 2 strain more virulent for...
Resource Type:: Dissertation
Full Text:: adult holding pond and a 2 m diameter tank containing infected fry. Virus was also detected in river

The response of nitrifying bacteria to treatments of N-Serve and Roundup in continuous-flow soil columns

Creator:: Rhodes, Albert N.
Abstract:: This study examined the effects of Roundup [N-(phosphonomethyl) glycine] and N-Serve [2-chloro-6- (trichloromethyl) pyridine] on nitrifying organisms in static batch, perfusion soil columns, and a new continuous-flow soil column system. The continuous-flow method is new to nitrification studies and was shown to produce greater nitrifier activity than either static batch...
Resource Type:: Masters Thesis
Full Text:: and K m s 12 values than did the nitrifiers and could explain, in part, the competitive advantage

ScholarsArchive@OSU

Characterization of lignocellulose decomposition in stream wood samples using ¹⁴C and ¹⁵N techniques

Disease models and infectious phenotypes of Mycobacterium avium subspecies paratuberculosis

Distribution and coinfection of microparasites and macroparasites in juvenile salmonids in three upper Willamette River tributaries

Establishment of an in vitro System for Studying Mycobacterium avium Protein Secretion

Molecular markers from fecal anaerobes to identify nonpoint source pollution in coastal waters

Nitrite dissimilation by microorganisms incapable of efficient nitrate utilization : nutritional and ecological considerations

Pathogenic and molecular characterization of three closely related isolates of infectious pancreatic necrosis virus (IPNV)

Strain differentiation and detection of infectious hematopoietic necrosis virus

The response of nitrifying bacteria to treatments of N-Serve and Roundup in continuous-flow soil columns

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