Index Catalog // ScholarsArchive@OSU

Investigation of Nematocyst Discharge in Parasitic Cnidarians (Myxozoa)

Creator:: Americus, Benjamin E.
Abstract:: Myxozoans are an enigmatic group of obligately parasitic, microscopic cnidarians. They diverged from their free-living relatives over 600 million years ago and have highly reduced genomes. However, they have retained nematocyst stinging cells which characterize the phylum Cnidaria. Free-living cnidarians utilize this cellular weaponry for defense and predation whereas the...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Benjamin Americus for the

How Do Parasites Infect Salmon? Comparative Transcriptomics Reveal Myxozoan Adaptations for Parasitism

Creator:: Americus, Benjamin
Abstract:: The phylum Cnidaria contains three main branches: Anthozoa (corals, sea anemones) Medusozoa (jellyfish, hydra), and Endocnidozoa. This latter branch is characterized by parasitism and contains the microscopic fish-parasites Myxozoa. Myxozoa are highly simplified, consisting of only a few cell types, however they have retained the nematocyst stinging cells and complex...
Resource Type:: Dissertation
Full Text:: Benjamin Americus for the degree of Doctor of Philosophy in Microbiology presented on May 23, 2023

Recombinant vaccines against infectious hematopoietic necrosis virus : bacterial systems for vaccine production and delivery

Creator:: Simon, Benjamin E.
Abstract:: Several systems were examined for the production and delivery of recombinant vaccines for fish. C. crescentus was employed to produce a fragment of the IHNV glycoprotein. When administered by injection to 0.5 gram rainbow trout (Oncorhynchus mykiss), one of the fusion proteins (184 amino acids of the IHNV glycoprotein fused...
Resource Type:: Dissertation
Full Text:: Benjamin E. Simon for the degree of Doctor of Philosophy in Microbiology presented on October 9, 2001

Exploring the Synthesis of 4-Deoxygadusol

Creator:: Jujjuri, Anantha Poojitha
Abstract:: Sunscreen products are used worldwide to protect the skin from ultraviolet radiation. However, some of the ingredients used in sunscreen products are fatal to coral reefs especially in areas where tourism is a large part of the economy. In this study, we explored a synthetic route to produce 4-deoxygadusol, which...
Resource Type:: Honors College Thesis
Full Text:: _____________________________________________________________________ Benjamin Philmus, Committee Member, representing Pharmacy

Vitamin B₁₂ production and depletion in a naturally eutrophic lake

Creator:: Gillespie, P. A.
Abstract:: The vitamin B₁₂ concentrations in both the water and sediments of Klamath Lake were found to vary significantly during a one-year period. The patterns of B₁₂ distribution were remarkably similar among the three main sites. In all cases there was an extremely sharp gradation in concentration in relation to depth...
Resource Type:: Dissertation
Full Text:: bacterial B12 production: Bacto-Vitamin B12 Medium U.S. P. --- 0. 07% Vitamin free casein 0.05% Sodium

The Influence of Microbial Communities on Spatiotemporal Elemental Cycling in Coastal Margins Revealed by Community- and Population-level Genomics and Proteomics

Creator:: Kieft, Brandon P.
Abstract:: Biotic and abiotic processes at continent-ocean interfaces cycle a disproportionate mass of carbon and nutrients relative to their global surface area, and microbial activity is a principal determinant of organic and inorganic matter flux in these transition zones. Most studies using modern high-throughput ‘omics techniques to link microorganisms with costal...
Resource Type:: Dissertation
Full Text:: outstanding mentor and significant (p < 0.001) role model for how to do science. My friends in Michigan

Chemical and Genetic Investigations of Toxic Freshwater Cyanobacterial Blooms for Improved Monitoring and Understanding of Lake Ecology

Creator:: Collart, Lindsay P.
Abstract:: Toxin production by cyanobacterial harmful algal blooms (cyanoHABs) in freshwater systems has lasting ecological and human impacts. Nutrients, light availability, hydrology, and microbial community composition impact the frequency and intensity of toxic cyanoHABs. Climate change will exacerbate toxic cyanoHABs, making real time and predictive monitoring a vital tool for managing...
Resource Type:: Dissertation
Full Text:: P. Collart for the degree of Doctor of Philosophy in Microbiology presented on June 2, 2023

Post-translational modifications of vaccinia virus proteins : molecular analysis of the myristylated L1R gene produc

Creator:: Ravanello, Monica P. G.
Resource Type:: Dissertation
Full Text:: : molecular analysis of the myristylated L1R gene product AN ABSTRACT OF THE THESIS OF Monica P. G

Ecology of a soil population of Rhizobium leguminosarum bv. trifolii

Creator:: Leung, Kam-tin
Resource Type:: Dissertation
Full Text:: rinsed thoroughly with deionized water and air-dried before use. (ii) p-Phenylenediamine fluorescence

Comparing Sediment Microbial Communities of Arctic Beaver Ponds to Tundra Lakes and Streams

Creator:: Shannon, Kelly
Abstract:: In recent decades the habitat of North American beaver (Castor canadensis) has expanded from boreal forests into pan-Arctic tundra ecosystems. It is unknown how the advance of beavers into Arctic watersheds will impact microbial communities responsible for the mineralization of organic matter (OM), which has implications for carbon cycling. To...
Resource Type:: Masters Thesis
Full Text:: environment to work in. Kelly Shannon1, Natasha R. Christman2, Byron C. Crump2, Michael P

ScholarsArchive@OSU

Investigation of Nematocyst Discharge in Parasitic Cnidarians (Myxozoa)

How Do Parasites Infect Salmon? Comparative Transcriptomics Reveal Myxozoan Adaptations for Parasitism

Recombinant vaccines against infectious hematopoietic necrosis virus : bacterial systems for vaccine production and delivery

Exploring the Synthesis of 4-Deoxygadusol

Vitamin B₁₂ production and depletion in a naturally eutrophic lake

The Influence of Microbial Communities on Spatiotemporal Elemental Cycling in Coastal Margins Revealed by Community- and Population-level Genomics and Proteomics

Chemical and Genetic Investigations of Toxic Freshwater Cyanobacterial Blooms for Improved Monitoring and Understanding of Lake Ecology

Post-translational modifications of vaccinia virus proteins : molecular analysis of the myristylated L1R gene produc

Ecology of a soil population of Rhizobium leguminosarum bv. trifolii

Comparing Sediment Microbial Communities of Arctic Beaver Ponds to Tundra Lakes and Streams

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