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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:: C-terminal domain (GALLS-CT) protein (collectively called GALLS). Both proteins are secreted from

Analysis of coproporphyrinogen III oxidase in maize : the genes, their expression, and the localization of their products

Creator:: Williams, Pascale M.
Abstract:: Coproporphyrinogen III oxidase (CPX) is an enzyme involved in the biosynthesis of tetrapyrroles, catalyzing the oxidative decarboxylation of coproporphyrinogen III to protoporphyrinogen IX. In bacteria and yeast this enzyme is cytosolic, in animals it is mitochondrial, and in each it functions to produce heme. However, in all plants investigated, the...
Resource Type:: Dissertation
Full Text:: , and heme c (Neuberger and Deenen 1991). These heme molecules all contain iron as the centrally

Genetic resistance to white mold (Sclerotinia sclerotiorum (Lib.) De Bary) in scarlet runner beans (Phaseolus coccineus L.)

Creator:: Gilmore, Barbara S.
Abstract:: White mold, caused by Sclerotinia sclerotiorum (Lib.) De Bary, is a destructive yield-limiting disease of common bean (Phaseolus vulgaris L.). Genetic resistance to this pathogen is limited in common bean. Identification of high levels of partial physiological resistance in a genetically cross compatible species, Phaseolus coccineus, is advisable. The objectives...
Resource Type:: Dissertation
Full Text:: Runner Beans ( P hase o lu s c occ ine us L.\ Abstract approved: White mold, causedby Sclerotinia

Examination of the role host-selective toxins play in fungal-plant interactions

Creator:: Andrie, Rachael M.
Abstract:: Pyrenophora tritici-repentis, causal agent of tan spot of wheat, produces multiple host-selective toxins (HSTs), including Ptr ToxA, encoded for by ToxA, Ptr ToxB, encoded for by ToxB, and Ptr ToxC. Variable distribution of these three HSTs among different isolates of P. tritici-repentis, both singularly and in all possible combinations, defines...
Resource Type:: Dissertation
Full Text:: residue Ptr ToxA protein (also referred to as the C-domain) (Ciuffetti et al. 1997, Tuori et al. 2000

Characterization of the LeIAA family of auxin-regulated genes in tomato (Lycopericon esculentum, Mill.)

Creator:: Nebenfuhr, Andreas
Abstract:: The plant hormone auxin regulates many aspects of plant growth and development. At the cellular level, auxin can stimulate cell division, cell elongation, and cell differentiation. Little is known about the molecular mechanisms that mediate auxin action at this level, although changes in gene expression have been implicated in each...
Resource Type:: Dissertation
Full Text:: cytokinesis (Jacobs, 1997). Auxin exerts its effect (at least partially) by stimulating the expression of

Responses and relationships among Fusarium species, sweet corn, and western spotted cucumber beetles

Creator:: Miller, Nathan L. (Nathan Louis)
Abstract:: Sweet corn (Zea mays L.) yields in the Willamette Valley of Oregon have been declining since the early 1990’s. Studies were done to determine if there is a relationship between ear weight and several disease parameters including necrotic crowns or stalk nodes, nodal root rot, radicle root rot, and sub-crown...
Resource Type:: Dissertation
Full Text:: grayscale (B), and ear weights (C, D) of sweet corn plants sampled from commercial fields in the

Genetic and physiological analysis of a light-regulated gravitropic mutant of tomato

Creator:: Gaiser, J. Christopher
Resource Type:: Dissertation
Full Text:: Date thesis is presented August 10, 1993 Typed by John C. Gaiser for J. Christopher Gaiser Redacted

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

Methods college students use to solve probability problems and the factors that support or impede their success

Creator:: Bamberger, Mary E.
Abstract:: The purpose of this descriptive case study analysis was to provide portraits of the methods college students used to solve probability problems and the factors that supported or impeded their success prior to and after two-week instruction on probability. Fourteen-question Pre- and Post-Instructional Task-Based Questionnaires provided verbal data of nine...
Resource Type:: Dissertation
Full Text:: and Background Information Sheet ...................... 212 C: Finite Mathematics Course Objectives

ScholarsArchive@OSU

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

Analysis of coproporphyrinogen III oxidase in maize : the genes, their expression, and the localization of their products

Genetic resistance to white mold (Sclerotinia sclerotiorum (Lib.) De Bary) in scarlet runner beans (Phaseolus coccineus L.)

Examination of the role host-selective toxins play in fungal-plant interactions

Characterization of the LeIAA family of auxin-regulated genes in tomato (Lycopericon esculentum, Mill.)

Responses and relationships among Fusarium species, sweet corn, and western spotted cucumber beetles

Genetic and physiological analysis of a light-regulated gravitropic mutant of tomato

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

Methods college students use to solve probability problems and the factors that support or impede their success

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