Index Catalog // ScholarsArchive@OSU

Identification and characterization of type III effector proteins in plant-associated bacteria

Creator:: Thomas, William J.
Abstract:: Symbioses between microbes and multicellular eukaryotes are found in all biomes, and encompass a spectrum of symbiotic lifestyles that includes parasitism and disease, commensalism, and mutually beneficial interdependent host-microbe relationships. Regardless of outcome, these symbiotic lifestyles are governed by a complex molecular "courtship" between microbe and potential host. This courtship...
Resource Type:: Dissertation
Full Text:: , these symbiotic lifestyles are governed by a complex molecular “courtship” between microbe and

Genome-enabled discovery and characterization of type III effector-encoding genes of plant symbiotic bacteria

Creator:: Kimbrel, Jeffrey A.
Abstract:: Symbiosis is the close and protracted interaction between organisms. The molecular interactions that occur during symbiosis are complex with multiple barriers that must be overcome. Many Gram-negative, host-associated bacteria use a type III secretion system to mediate associations with their eukaryotic hosts. This secretion system is a specialized apparatus for...
Resource Type:: Dissertation
Full Text:: CONTENTS Page Introduction: Plant-microbe interactions

Secreted Agrobacterium rhizogenes Effector Protein GALLS Interacts with Arabidopsis Host Proteins and Stimulates Agrobacterium-mediated Transformation

Creator:: Wei, Wei
Abstract:: Agrobacterium species transform plant cells by targeting a portion of plasmid-encoded bacterial DNA to the host nucleus. Genetic transformation by A. tumefaciens and A. rhizogenes requires secreted effector proteins. The tumor-inducing (Ti) plasmid from virulent A. tumefaciens encodes VirE2, a secreted single-stranded DNA-binding protein required for efficient transformation of hosts....
Resource Type:: Dissertation
Full Text:: . Mol. Plant. Microbe Interact. 11, 668–683 (1998). 7. Tzfira, T., Vaidya, M. & Citovsky, V. VIP1, an

Characterization of the pathogenicity and phylogeny of members of the Rhodococcus genus

Creator:: Creason, Allison L.
Abstract:: Plant pathogenic Rhodococcus species are persistent pathogens able to cause severe growth deformities on a large range of hosts. The most well studied species, R. fascians is predicted by current models to synthesize a mixture of cytokinins that act to directly perturb the hosts' hormone balances, which results in abnormal...
Resource Type:: Dissertation
Full Text:: TC3.4.2R3 has genes encoding for traits potentially involved in plant-microbe interactions

Functional and Structural Analyses of Three Distinct proteins by Biochemical and Biophysical Techniques

Creator:: Codding, Sara Jone
Abstract:: The focus of this dissertation was to understand protein function and structure ona molecular level. To do this successfully, a variety of biochemical and biophysicaltechniques were employed. A wide variety of techniques were applied to study theproteins of interest in this dissertation to probe protein-protein interactions, proteinfunction, protein structure, and...
Resource Type:: Dissertation
Full Text:: and structure on a molecular level. To do this successfully, a variety of biochemical and

Pyrenophora tritici-repentis : investigation of factors that contribute to pathogenicity

Creator:: Holman, Thomas W.
Abstract:: Pyrenophora tritici-repentis (Ptr) is the necrotrophic fungus responsible for tan spot of wheat (Triticum aestivum). Ptr causes disease on susceptible wheat cultivars through the production and secretion of host-selective toxins (HSTs). HSTs are compounds that are only known to be produced by fungi and considered to be primary determinants of...
Resource Type:: Masters Thesis
Full Text:: HSTs ideal molecules to dissect molecular plant-microbe interactions. Known HSTs of Ptr include Ptr

Identification of Endogenous and Exogenous Pararetroviruses in Red Raspberry (Rubus idaeus L.) and Blueberry (Vaccinium corymbosum L.)

Creator:: Diaz Lara, Alfredo
Abstract:: The Pacific Northwest (Oregon and Washington in the United States and British Columbia in Canada) is one of the major producers of red raspberry (Rubus idaeus L.) and blueberry (Vaccinium corymbosum L.) in the world. The expansion of growing area with these crops has resulted in the emergence of new...
Resource Type:: Dissertation
Full Text:: Lara for the degree of Doctor of Philosophy in Botany and Plant Pathology presented on December 16

Re-examining Ceratomyxa shasta in the Pacific Northwest

Creator:: Stinson, Matthew E. T.
Abstract:: Ceratomyxa shasta infects salmonids in the Pacific Northwest (PNW) of North America, occasionally causing losses in wild and captive populations. Host-specific parasite genotypes (O, I, II, III) were previously characterized molecularly using markers in the ribosomal DNA and phenotypically by type host in the Klamath River, CA/OR. This thesis sough...
Resource Type:: Masters Thesis
Full Text:: co-exist together in a balanced relationship that allows the parasite to persist without causing

Mechanisms for the interaction of environmental mycobacteria with host cells

Creator:: Harriff, Melanie J.
Abstract:: Environmental mycobacteria are important opportunistic pathogens for many hosts, including humans, cattle, and fish. Two well-studied species are Mycobacterium avium subsp. avium, a significant cause of disseminated bacterial disease in patients with AIDS, and Mycobacterium avium subsp. paratuberculosis, the cause of Johne’s disease in cattle. Many other species that are...
Resource Type:: Dissertation
Full Text:: THE DISSERTATION OF MELANIE J. HARRIFF for the degree of Doctor of Philosophy in Molecular and

Structure and expression of two Populus trichocarpa homologs of the floral homeotic gene AGAMOUS

Creator:: Brunner, Amy Marie
Abstract:: Because of their small genomes, facile clonal propagation, fast growth, and susceptibility to Agrobacterium transformation, poplars (genus Populus) are widely considered model systems for the application of molecular genetics and biotechnology in forestry. However, a major concern over commercial use of genetically engineered trees is the release of transgenes into...
Resource Type:: Dissertation

ScholarsArchive@OSU

Identification and characterization of type III effector proteins in plant-associated bacteria

Genome-enabled discovery and characterization of type III effector-encoding genes of plant symbiotic bacteria

Secreted Agrobacterium rhizogenes Effector Protein GALLS Interacts with Arabidopsis Host Proteins and Stimulates Agrobacterium-mediated Transformation

Characterization of the pathogenicity and phylogeny of members of the Rhodococcus genus

Functional and Structural Analyses of Three Distinct proteins by Biochemical and Biophysical Techniques

Pyrenophora tritici-repentis : investigation of factors that contribute to pathogenicity

Identification of Endogenous and Exogenous Pararetroviruses in Red Raspberry (Rubus idaeus L.) and Blueberry (Vaccinium corymbosum L.)

Re-examining Ceratomyxa shasta in the Pacific Northwest

Mechanisms for the interaction of environmental mycobacteria with host cells

Structure and expression of two Populus trichocarpa homologs of the floral homeotic gene AGAMOUS

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