Index Catalog // ScholarsArchive@OSU

Plant responses induced by Ptr ToxA and Ptr ToxB, host-selective toxins produced by Pyrenophora tritici-repentis

Creator:: Mankaney, Aakash
Abstract:: Pyrenophora tritici-repentis (Ptr) is the causal agent of the disease tan spot of wheat, which can be responsible for the destruction of up to 50% of a wheat crop harvest. Tan spot disease results in chlorotic and/or necrotic lesions triggered by the pathogen’s production of one or several host-selective toxins...
Resource Type:: Honors College Thesis
Full Text:: : ________________________________________________________________________ Lynda Ciuffetti Pyrenophora tritici-repentis (Ptr) is the causal agent of the disease

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:: . Abstract approved: Lynda M. Ciuffetti Pyrenophora tritici-repentis (Ptr) is the necrotrophic

Mutagenesis and Crystallization of Ptr ToxB, a host-selective toxin of Pyrenophora tritici-repentis

Creator:: Miles-Rockenfield, Kara B.
Abstract:: Pyrenophora tritici-repentis (Ptr) is the fungal causal agent of the disease tan spot in wheat and causes necrosis and chlorosis in infected leaves. These symptoms are caused by host-selective toxins (HSTs), molecules that serve as the sole determinants of pathogenicity. Ptr has three known HSTs, the proteinaceous Ptr ToxA and...
Resource Type:: Honors College Thesis
Full Text:: : ________________________________________________________________________ Lynda Ciuffetti Pyrenophora tritici-repentis (Ptr) is the fungal causal agent of the

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:: major professor, Dr. Lynda Ciuffetti, for her support, enthusiasm, and patience through the good times

Characterization of the molecular foundations and biochemistry of alkane and ether oxidation in a filamentous fungus, a Graphium species.

Creator:: Skinner, Kristin M.
Abstract:: Graphium sp., a eukaryotic alkanotroph, is able to oxidize small-molecular weight gaseous n-alkanes, diethyl ether and the branched ether, methyl tert butyl ether (MTBE). However, information regarding the biochemistry of fungal-mediated alkane and ether metabolism is limited, and questions regarding the identity of alkane oxidation catalysts and the genetic underpinnings...
Resource Type:: Dissertation
Full Text:: extend my utmost gratitude to my major professor, Dr. Lynda M. Ciuffetti, for her guidance

Characterization of a Sporulation-Specific Kinase in Clostridium perfringens

Creator:: Danielson, Bryan
Abstract:: Clostridium perfringens type A isolates produce the spore-specific enterotoxin, CPE, upon sporulation in the gastrointestinal tract of humans and animals. Spo0A is a response regulator representing the major transcription factor for sporulation initiation in C. perfringens. In Bacillus subtilis, a multicomponent phosphorelay involving five histidine kinases (KinA-KinE), the intermediate response...
Resource Type:: Undergraduate Thesis and Presentation

Response of Soil Microbially Mediated Nutrient Cycling and Community Structure to Timber Harvest in the Pacific Northwest

Creator:: Danielson, Rachel E.
Abstract:: Forest harvest persists as one of the most globally important industries, and crucially provides raw wood products for both building and fuel materials. Mechanistically complex abiotic and biotic processes curb ecosystem recovery following timber harvest and it is of great importance to understand the effects of this practice on biogeochemical...
Resource Type:: Masters Thesis
Full Text:: Master of Science thesis of Rachel E. Danielson presented on September 11, 2015 APPROVED: Major

Gravity-based non-invasive superconducting gravimeter system for reactor coolant inventory monitoring

Creator:: Danielson, Jordan J.
Abstract:: All nuclear reactors rely heavily on the use of level sensing instrumentation to detect the behaviour of liquid in vessels. The majority of level sensing instruments are differential pressure sensing meters, which are invasive and could be the failure source in the pressure boundary of the primary coolant system. In...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Jordan J. Danielson for

Generation of narrowband THz pulses and THz studies of ultrafast phenomena in semiconductor quantum wells

Creator:: Danielson, Jeremy R.
Abstract:: This work comprises two main parts: creating and shaping narrowband, pulsed THz radiation in a table-top optical setup; and applying THz pulses to semiconductor nanostructures to study electron dynamics. I developed a scheme to shape the THz output of a fanned-out periodically poled lithium niobate (PPLN) crystal. The pulses are...
Resource Type:: Dissertation
Full Text:: dissertation of Jeremy R. Danielson presented on February 18, 2008 APPROVED: Major Professor

Winter cover cropping effects on integrative biological indicators of soil quality

Creator:: Ndiaye, Evelyne L.
Abstract:: Responses of biological indicators of soil quality to winter cover cropping were measured on soil samples collected from 6 commercial growers' fields and two experiment research stations in the Willamette Valley of Oregon. The research stations were the North Willamette Research and Extension Center (Aurora, OR), and the Oregon State...
Resource Type:: Masters Thesis
Full Text:: weight loss. The major findings were: 1) microbial biomass carbon and B-glucosidase activity were the

ScholarsArchive@OSU

Plant responses induced by Ptr ToxA and Ptr ToxB, host-selective toxins produced by Pyrenophora tritici-repentis

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

Mutagenesis and Crystallization of Ptr ToxB, a host-selective toxin of Pyrenophora tritici-repentis

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

Characterization of the molecular foundations and biochemistry of alkane and ether oxidation in a filamentous fungus, a Graphium species.

Characterization of a Sporulation-Specific Kinase in Clostridium perfringens

Response of Soil Microbially Mediated Nutrient Cycling and Community Structure to Timber Harvest in the Pacific Northwest

Gravity-based non-invasive superconducting gravimeter system for reactor coolant inventory monitoring

Generation of narrowband THz pulses and THz studies of ultrafast phenomena in semiconductor quantum wells

Winter cover cropping effects on integrative biological indicators of soil quality

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