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Character of the DNA region encoding a portion of the DNA-dependent RNA polymerase in Bacillus subtilis

Creator:: Jones, Margaret Carol Jackson
Resource Type:: Dissertation
Full Text:: for the degree of Doctor of Philosophy (Name) in Microbiology presented on March 21, 1975 (Major

Genetic mapping and physiological characterization of RNA polymerase mutants of Bacillus subtilis

Creator:: Haworth, Stephen Randall
Resource Type:: Dissertation
Full Text:: Stock and Donor Lysate Production 20 Bacteriophage Assay 21 Transduction Procedure 21 Preparation of

The effects of commercial rhizobium inoculants on the establishment of Trifolium subterraneum in southwest Oregon soils

Creator:: Jenkins, Michael B.
Abstract:: Commercial inoculant products for subclover that are marketed in the Pacific Northwest were evaluated in field trials (supplemented by appropriate laboratory analysis) at four sites in southwest Oregon. The materials tested were Nitragin (Milwaukee, WI) and Northrup-King (Minneapolis, MN) peat-based inocula, and Celpril (Manteca, CA) inoculated, lime-pelleted subclover seed. Duplicate...
Resource Type:: Masters Thesis
Full Text:: legumes, a commercial product must contain a suf- ficient number of effective rhizobia, which are able to

Adsorption of ³H Qβ virus on powdered silica

Creator:: Felton, Mack
Resource Type:: Dissertation
Full Text:: Solutions 21 Fluor Preparation 22 Plaque Assay 22 Media 24 Virus Adsorption on Silica 24 Data on AGSC 0

Growth, survival, and antibiotic resistance transfer of Klebsiella in a botanical environment

Creator:: Yamamoto, Deborah Keiko
Abstract:: The ubiquitous presence of the coliform bacterium Klebsiella in botanical environments has been demonstrated. In this study, Klebsiella were found to multiply and colonize growing radish plants following contamination of seeds. All 29 cultures of Klebsiella tested from 5 different environments were capable of growth to 10⁶-10⁷ cells/gram of plant...
Resource Type:: Masters Thesis
Full Text:: of antibiotic resistance was detected with 12 of 21 donor-recipient pairs in penassay broth and 5 of

Oral and parenteral immunization for the control of Vibrio anguillarum, the etiological agent of vibriosis in salmonid fish

Creator:: Rohovec, J. S.
Abstract:: Efficacious vaccines were developed for the control of Vibrio anguillarum, the etiological agent of vibriosis in salmonid fish. These bacterins can be administered either orally or parenterally. It was determined that both formalin-killed lyophilized whole cells and wet-packed whole cells of the organism are effective oral immunogens. Intraperitoneal injection of...
Resource Type:: Dissertation
Full Text:: ration con- taining 0.5 mg of the wet whole cell vaccine per gram. Increasing the number of days the

Microbial ecology of an old-growth Douglas fir canopy

Creator:: Caldwell, Bruce A.
Abstract:: Microbial populations associated with the major substrates of the canopy of a 70 m old-growth Douglas fir were studied to determine potential activities. Seasonal samples from bark, foliage, epiphytic moss, lichens, and litter accumulations were collected to i) obtain population data, ii) to isolate the major groups of microorganisms present,...
Resource Type:: Masters Thesis
Full Text:: bark and foliage (21 to 266 x 103 colony forming units (CFU/gm)) on moss and lodged litter (19 to 610

Cell wall chemistry, deoxyribonucleic acid base composition and pathogenesis of the kidney disease bacterium in salmonid fishes

Creator:: Sanders, James Edward
Abstract:: Experiments were designed to more precisely evaluate the effects of water temperature on the progress of bacterial kidney disease ( BKD) in three species of salmonid fishes. Infections were produced by intraperitoneal injection of suspensions of the causative organism into fish held at seven temperatures ranging from 3.9 to 20.5°C....
Resource Type:: Dissertation
Full Text:: number of days between infection and death. The interval was shortest in all three species at the

Effects of long-term nutrient starvation on a marine psychrophilic vibrio

Creator:: Novitsky, James Alan
Abstract:: Ant-300, a psychrophilic marine vibrio, was starved for periods in excess of one year. Cells starved at a high initial cell density increased in numbers from 100 to 800% of the initial number of cells during the first week. Fifty percent of the population remained viable for six weeks while...
Resource Type:: Dissertation
Full Text:: cell density increased in numbers from 100 to 800% of the initial number of cells during the first

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:: . 21 7 Similarity coefficients. 29 LIST OF FIGURES Figure Page 1 Overall occurrence and seasonal

ScholarsArchive@OSU

Character of the DNA region encoding a portion of the DNA-dependent RNA polymerase in Bacillus subtilis

Genetic mapping and physiological characterization of RNA polymerase mutants of Bacillus subtilis

The effects of commercial rhizobium inoculants on the establishment of Trifolium subterraneum in southwest Oregon soils

Adsorption of ³H Qβ virus on powdered silica

Growth, survival, and antibiotic resistance transfer of Klebsiella in a botanical environment

Oral and parenteral immunization for the control of Vibrio anguillarum, the etiological agent of vibriosis in salmonid fish

Microbial ecology of an old-growth Douglas fir canopy

Cell wall chemistry, deoxyribonucleic acid base composition and pathogenesis of the kidney disease bacterium in salmonid fishes

Effects of long-term nutrient starvation on a marine psychrophilic vibrio

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

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