Index Catalog // ScholarsArchive@OSU

Establishment and dynamics of methane-oxidizing microbial communities in marine sediments

Creator:: Klasek, Scott A.
Abstract:: Marine sediments are vast sources and reservoirs of methane, a potent greenhouse gas. Most of this methane is anaerobically oxidized by archaea before it can reach the overlying ocean, though the efficiency of this process often depends on methane fluxes and mechanisms of fluid transport. Anaerobic methanotrophic archaea, or ANME,...
Resource Type:: Dissertation
Full Text:: provided bathymetric mapping. Stella Ross and Katelyn Hostetler assisted with labwork. Marta E. Torres

Unprecedented evidence for high viral abundance and lytic activity in coral reef waters of the South Pacific Ocean

Creator:: Payet, Jérôme P., McMinds, Ryan, Burkepile, Deron E., and Thurber, Rebecca L. Vega
Abstract:: Despite nutrient-depleted conditions, coral reef waters harbor abundant and diverse microbes; as major agents of microbial mortality, viruses are likely to influence microbial processes in these ecosystems. However, little is known about marine viruses in these rapidly changing ecosystems. Herewe examined spatial and short-term temporal variability in marine viral abundance...
Resource Type:: Article
Full Text:: ., McMinds, R., Burkepile, D. E., & Vega Thurber, R. L. (2014). Unprecedented evidence for high viral

Detection and transmission of Mycobacterium marinum and Mycobacterium chelonae in zebrafish (Danio rerio)

Creator:: Peterson, Tracy Shawn
Abstract:: Mycobacteriosis is a common disease of laboratory zebrafish (Danio rerio). Different infection patterns occur in zebrafish depending on mycobacterial species. Mycobacterium marinum and M. haemophilum produce virulent infections associated with high mortality, whereas M. chelonae is more wide spread and not associated with high mortality. Identification of mycobacterial infections to...
Resource Type:: Dissertation
Full Text:: 3, 7, 21 and 45 days. Subsequently, fish were evaluated by H&E and Fite’s acid-fast stains to

The conserved biology of herpesvirus latency : a study in cyprinid herpesvirus 3

Creator:: Reed, Aimee N.
Abstract:: Cyprinid herpesvirus 3 (CyHV-3), commonly known as koi herpesvirus (KHV), is a member of the Alloherpesviridae and is a deadly pathogen for koi and common carp, Cyprinus carpio. It causes severe gill necrosis and nephritis, dermal ulceration and hemorrhage, and mass mortality of up to 100% of affected fish. Fish...
Resource Type:: Dissertation
Full Text:: ORF6 protein in an expression vector pet6XHN transformed in E. coli. Based on an analysis using

Novel Experimental Designs and Mathematical Models to Study Fecal Indicator Bacteria Persistence in Surface Water

Creator:: Brooks, Lauren
Abstract:: High counts of fecal indicators, used to signal the potential presence of pathogens associated with untreated waste, result in the classification of water bodies throughout the United States as impaired. Nonpoint sources of unknown origin that contribute to fecal contamination make management of impaired waters challenging, as they are difficult...
Resource Type:: Dissertation
Full Text:: differences between the decay curves of E. coli and all but one genetic marker. The differences across

The Fitness Costs and Regulatory Strategies of Cooperative Siderophore Production in Pseudomonas

Creator:: Sexton, David
Abstract:: Cooperative behaviors in bacteria are increasingly appreciated for their relevance to microbial ecology and utility as model systems for social evolution. One example is the secretion of siderophores, a structurally diverse group of compounds that chelate extracellular iron. Siderophore production is considered cooperative because the benefits can be shared with...
Resource Type:: Dissertation
Full Text:: increases in the population, as the benefit provided by the cooperator becomes dilute (Ross-Gillespie et

Social Evolution and Regulatory Architecture of Pseudomonas aeruginosa Quorum Sensing

Creator:: Asfahl, Kyle L.
Abstract:: Cell-cell communication in bacteria is understood to facilitate the coordination of population-wide cooperative behavior in the form of concerted gene expression. The opportunistic pathogen Pseudomonas aeruginosa uses such a communication mechanism to regulate a large group of genes important to virulence strategies in this bacterium. This general mechanism of communication...
Resource Type:: Dissertation

Hydraulic predictors and seasonal distribution of Manayunkia speciosa density in the Klamath River, CA, with implications for ceratomyxosis, a disease of salmon and trout

Creator:: Jordan, Michelle S.
Abstract:: The freshwater polychaete Manayunkia speciosa was identified as an obligate host of the salmonid parasite Ceratomyxa shasta in 1997, prompting increased research on the small benthic invertebrate. Ceratomyxa shasta infection in fish can cause mortality, and presents a disease risk for both hatchery and wild salmon and trout. Ceratomyxa shasta...
Resource Type:: Masters Thesis
Full Text:: : Jerri L. Bartholomew, Gordon E. Grant The freshwater polychaete Manyaunkia speciosa was identified

Evolution of a streamlined cooperator in Pseudomonas aeruginosa quorum sensing

Creator:: Huie, Jessica L.
Abstract:: Social behavior leading to the production of common goods is prone to exploitation. One such behavior in Pseudomonas aeruginosa is quorum sensing (QS), by which the bacteria produce signals to regulate extracellular common goods. Exploitation comes in the form of cheaters which have a mutation in the central quorum sensing...
Resource Type:: Masters Thesis
Full Text:: pJHlasR5, pJHpsdR1, and pJHabcB1. The plasmids were transformed into E. coli DH5α Max Efficiency cells

The Genomic Capabilities of Microbial Communities Track Seasonal Variation in Arctic Lagoons

Creator:: Baker, Kristina D.
Abstract:: The lagoons spanning Alaska’s Beaufort Sea coast provide a unique habitat for arctic wildlife. These lagoons and the food webs they support face extreme seasonality with nine months of ice cover followed by a spring thaw that pulses a large amount of freshwater and nutrients into the lagoons. Bacteria link...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Establishment and dynamics of methane-oxidizing microbial communities in marine sediments

Unprecedented evidence for high viral abundance and lytic activity in coral reef waters of the South Pacific Ocean

Detection and transmission of Mycobacterium marinum and Mycobacterium chelonae in zebrafish (Danio rerio)

The conserved biology of herpesvirus latency : a study in cyprinid herpesvirus 3

Novel Experimental Designs and Mathematical Models to Study Fecal Indicator Bacteria Persistence in Surface Water

The Fitness Costs and Regulatory Strategies of Cooperative Siderophore Production in Pseudomonas

Social Evolution and Regulatory Architecture of Pseudomonas aeruginosa Quorum Sensing

Hydraulic predictors and seasonal distribution of Manayunkia speciosa density in the Klamath River, CA, with implications for ceratomyxosis, a disease of salmon and trout

Evolution of a streamlined cooperator in Pseudomonas aeruginosa quorum sensing

The Genomic Capabilities of Microbial Communities Track Seasonal Variation in Arctic Lagoons

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