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Exploring phylogeny of Rhodococcus fascians isolates using 16S ribosomal DNA sequence analysis

Creator:: Sandberg, Eva Song
Abstract:: Rhodococcus fascians is a Gram-positive, pleiomorphic actinomycete that causes leafy gall formation in a wide range of plant hosts. This particular phytopathogen has been a focus of research at the Oregon State University Plant Clinic, a diagnostic laboratory. Phylogeny of R. fascians isolates obtained from Plant Clinic submissions was determined...
Resource Type:: Honors College Thesis
Full Text:: agent responsible for crown gall disease. Virulent strains of R. fascians carry the ipt gene which

Molecular investigation of the cnidarian-dinoflagellate symbiosis and the identification of genes differentially expressed during bleaching in the coral Montipora capitata

Creator:: Hauck, Laura L.
Abstract:: Cnidarians, such as anemones and corals, engage in an intracellular symbiosis with photosynthetic dinoflagellates. Corals form both the trophic and structural foundation of reef ecosystems. Despite their environmental importance, little is known about the molecular basis of this symbiosis. In this dissertation we explored the cnidariandinoflagellate symbiosis from two perspectives:...
Resource Type:: Dissertation
Full Text:: parameters. It has also been observed that the repopulation of experimental and disease-associated

Marker development, genome mapping, and cloning of candidate disease resistance genes in sunflower, Helianthus annuus L

Creator:: Gedil, Melaku Ayele
Abstract:: The level of polymorphisms of many biochemical and DNA markers are low in cultivated sunflower (Helianthus annuus L.). The number of mapped public DNA markers is limited. Molecular markers have not been developed for the most important diseases of sunflower, such as downy mildew. The objectives of this study were...
Resource Type:: Dissertation
Full Text:: Disease Resistance Genes in Sunflower, Helianthus annuus L. AN ABSTRACT OF THE THESIS OF Melaku Aye le

Mapping and introgression of disease resistance genes in barley (Hordeum vulgare L.)

Creator:: Toojinda, Theeryut
Abstract:: Molecular tools, coupled with unique germplasm stocks and rigorous phenotyping, are useful for developing a better understanding of qualitative and quantitative disease resistance genes in plants. The identification of molecular markers linked to all types of resistance genes provides opportunities for implementing a range of resistance breeding strategies, ranging from...
Resource Type:: Dissertation
Full Text:: regarding quantitative and qualitative disease resistance genes. Introduction The genetic resistance-of

Genetic engineering of disease resistance in poplar : effects of bacterio-opsin over-expression and analysis of a copper-based system for resistance-gene activation

Creator:: Mohamed, Rozi
Abstract:: We tested a synthetic bacterio-opsin (bO) gene derived from Halobacterium halobium for its effect on disease resistance in transgenic poplar hybrids, and assessed a genetic system for controlling expression of this gene. In tobacco the bO gene caused necrotic lesions similar to an induced hypersensitive response (HR), increased levels of...
Resource Type:: Masters Thesis
Full Text:: disease resistance in transgenic poplar hybrids, and assessed a genetic system for controlling

Sources of influence on passive and active immunoglobulin G responses in swine

Creator:: Chitko, Carol G.
Abstract:: Thirty-seven Yorkshire sows were bred to one of six boars; 34 of the sows were verified pregnant at 42 d of gestation. These sows were innoculated with ovine serum albumin (OSA) in Freunds' complete adjuvant at 65 d and later given a second injection in Freunds.' incomplete adjuvant 93 d....
Resource Type:: Masters Thesis
Full Text:: and genetic sources of variation on titers of anti-OSA immuno- globulin G. Age, weight and litter

Embryonic chick edema : inheritance and an explanation for incomplete penetrance

Creator:: Phillips, Wenona Anne
Abstract:: The concept of genetic penetrance, "the frequency of manifestation of a genetic factor," was introduced by Timofeef-Ressovsky (Naturwissenschaften 19:493,1931). Incomplete penetrance has been used to explain the absence of phenotypic expression when otherwise anticipated. Studies of Embryonic Chick Edema, ECE (Poultry Sci. 77(suppl. 1):69, 1998) have been conducted in order...
Resource Type:: Masters Thesis
Full Text:: , Inheritance and an Explanation for Incomplete Penetrance Abstract Thomas F7Savae The concept of genetic

Development of blight resistant French pear rootstocks

Creator:: Oregon State College. Agricultural Experiment Station and Reimer, F. C. (Frank Charles), 1881-
Abstract:: Published September 1950. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: ed6ftme#te 'ee e44eaae French Pear Rootstocks By F. C. REIMER* THE blight disease in this bulletin also

Kinetic analysis of avian sarcoma virus integrase in the presteady-state

Creator:: Bao, Kogan K.
Abstract:: Integrase catalyzes insertion of a retroviral genome into the host chromosome. Following reverse transcription, integrase binds specifically to the ends of the duplex retroviral DNA, endonucleolytically cleaves two nucleotides from each 3'-end (the processing activity), and inserts these ends into the host DNA (the joining activity) in a concerted manner....
Resource Type:: Dissertation
Full Text:: LIST OF FIGURES Figure 1.1 Simplified genetic organization of ASV provirus

Characterization of the response mediated by the plant disease susceptibility gene LOV1

Creator:: Gilbert, Brian M.
Abstract:: Victoria blight, caused by fungus Cochliobolus victoriae, is a disease originally described on oats and recapitulated on Arabidopsis. Victoria blight is used as a model plant disease that conforms to an inverse gene-for-gene interaction. C. victoriae virulence is dependent upon its production of victorin, a host-specific toxin that induces programmed...
Resource Type:: Dissertation
Full Text:: for disease susceptibility due to the genetic simplicity of its host-pathogen interaction,. This

ScholarsArchive@OSU

Exploring phylogeny of Rhodococcus fascians isolates using 16S ribosomal DNA sequence analysis

Molecular investigation of the cnidarian-dinoflagellate symbiosis and the identification of genes differentially expressed during bleaching in the coral Montipora capitata

Marker development, genome mapping, and cloning of candidate disease resistance genes in sunflower, Helianthus annuus L

Mapping and introgression of disease resistance genes in barley (Hordeum vulgare L.)

Genetic engineering of disease resistance in poplar : effects of bacterio-opsin over-expression and analysis of a copper-based system for resistance-gene activation

Sources of influence on passive and active immunoglobulin G responses in swine

Embryonic chick edema : inheritance and an explanation for incomplete penetrance

Development of blight resistant French pear rootstocks

Kinetic analysis of avian sarcoma virus integrase in the presteady-state

Characterization of the response mediated by the plant disease susceptibility gene LOV1

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