Index Catalog // ScholarsArchive@OSU

Creator:: Zhu, Ruoqing
Abstract:: Epigenetic mechanisms are important for control of plant development, and may play a particularly important role in trees given their long life cycles and distinctive and stable tissue types. To help understand the role of epigenetics in tree development, we produced transgenic poplars with reduced activity of the DDM1 genes,...
Resource Type:: Masters Thesis
Full Text:: genomic cytosine methylation. Dr. Michael Freitag helped to design the overall project. Dr. Steven H

Creator:: Almurshidi, Badria H.
Abstract:: Commercial methodologies for producing fungal pigments are of worldwide interest due to the desire to move away from synthetic dyes. Chlorociboria species and Scytalidium species have been reported to produce sufficient yields of pigments for commercial production and have attracted special attention because of their use in spalted wood applications....
Resource Type:: Masters Thesis
Full Text:: Dr. Michael Freitag for being my GCR. The two have always supported me in the attainment of my

Creator:: Padgitt-Cobb, Lillian K.
Abstract:: Hop (Humulus lupulus L. var. lupulus) is a diploid, dioecious plant with an extensive history of cultivation and use in brewing, as a textile, and for its therapeutic properties. Hop is prized for its ability to produce a variety of aromatic and flavor compounds, as well as compounds with anti-microbial...
Resource Type:: Dissertation
Full Text:: committee for their valuable guidance: Drs. David Hen- drix, John Henning, Michael Freitag, Maria Clara

Creator:: Khuu, Patricia A.
Abstract:: The structural polymorphic nature of DNA has been long been recognized since the model of the right-handed B-DNA duplex proposed by James Watson and Francis Crick was accepted. Its malleability is thought to be critical in protein recognition and manipulation. In particular, it can form Holliday junctions, four-way DNA structural...
Resource Type:: Dissertation

Creator:: Garcia, Gloria R.
Abstract:: The aryl hydrocarbon receptor (AHR) is a ligand activated transcription factor that is a member of the basic helix-loop-helix PER-ARNT-SIM (bHLH/PAS) protein family of cellular sensors. The AHR is conserved across multiple animal phyla and is required for proper vertebrate development. A structurally diverse group of chemicals, including polycyclic aromatic...
Resource Type:: Dissertation
Full Text:: husbandry and phenotypic screening. Dr. Michael Simonich and Cheryl Dunham also edited and improved the

Creator:: Haggard, Derik
Abstract:: There are more than 87,000 chemicals in current use with little to no toxicity information available. Assessing such a large number of chemicals using traditional methods would take an unreasonable amount of time and money, and require the use a large number of animals. The incorporation of high-throughput in vivo...
Resource Type:: Dissertation
Full Text:: scientist: Nancy Kerkvliet, Michael Freitag, Siva Kolluri, David Hendrix, Kim Anderson, and Anna Harding

Creator:: Koch, Jack C.
Abstract:: Climate change and other anthropogenic impacts are threatening the existence of millions of species around the globe. On western continental boundaries, the large-scale secondary process of upwelling, which brings low pH, deoxygenated, high nutrient seawater to the surface, is compounded by climate change, that together could drive some species to...
Resource Type:: Dissertation
Full Text:: committee, Felipe Barreto, Rebecca Vega-Thurber, Francis Chan, and Michael Freitag for their advice and

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:: myself. Thank you to my graduate committee members – Tom Wolpert, Michael Freitag, Martin Schuster

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