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Laboratory and Basic Science Research Commons™
Open Access. Powered by Scholars. Published by Universities.®
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Articles 1 - 9 of 9
Full-Text Articles in Laboratory and Basic Science Research
The Role Of Horizontal Gene Transfer In Antibiotic Resistance Amidst Prevalent Community And Healthcare-Associated Mrsa Rates, Gabrielle Nascimento
The Role Of Horizontal Gene Transfer In Antibiotic Resistance Amidst Prevalent Community And Healthcare-Associated Mrsa Rates, Gabrielle Nascimento
Honors College Theses
In recent decades, cases of community-acquired MRSA (CA-MRSA) and healthcare-associated MRSA (HA-MRSA) have been on the rise. The ability of antibiotic resistance to transfer between microorganisms greatly expands its threat to the effective treatment and containment of bacterial infections. The mecA gene is found on a mobile cassette within the Staphylococcal cell and encodes for PBP2a, an alternate version of penicillin-binding protein (PBP) with less binding affinity for β-lactam antibiotics, increasing resistance to the effects of antibiotics. The goal of this research is to investigate the horizontal transfer of the mecA gene between various Staphylococcus species as well as to …
The Effects Of Light Cycle Disruption On The Reactive Oxygen Species Production In Zebrafish, Talia Sanders
The Effects Of Light Cycle Disruption On The Reactive Oxygen Species Production In Zebrafish, Talia Sanders
Honors College Theses
It has been proven that maintaining homeostasis is linked to regulation of circadian rhythms and the light cycles associated with them. Through investigation of zebrafish mitochondria subject to stress via unpredictable light cycle exposure, we previously studied the level of GSK3β protein as it relates to the health of the brain. The data has shown that when a brain undergoes stress, it results in the increased activation of GSK3β which leads to disruptions in circadian rhythm, inflammation, and cell death. Moreso, this overexpression results in reduced ATP production and lowered Complex 1 activity in the mitochondria. However, GSK3β activation is …
Antimicrobial Activity Of Cat Flea (Ctenocephalides Felis) Gut Proteins On Different Days After Blood Feeding, Dhruva K. Karnik
Antimicrobial Activity Of Cat Flea (Ctenocephalides Felis) Gut Proteins On Different Days After Blood Feeding, Dhruva K. Karnik
Honors College Theses
Cat fleas (Ctenocephalides felis) are a blood-feeding ectoparasitic insect and a common domestic pest found throughout the world. Because of their reliance on host blood, fleas are exposed to blood-borne pathogens; however, the flea gut lumen is a hostile environment for microbial colonization. For example, the gut epithelia differentially express immune genes in response to feeding. In the present study, we measured the antimicrobial activity of gut proteins from cat fleas at different days after feeding (2, 5, 7, and 14). Dissected flea guts were homogenized, passed through a syringe filter, and measured in a protein assay kit. …
The Biobehavioral Effects Of Embryonic Exposure To Neural Inflammation And Oxidative Stress In Zebrafish, Dalton J. Anderson
The Biobehavioral Effects Of Embryonic Exposure To Neural Inflammation And Oxidative Stress In Zebrafish, Dalton J. Anderson
Honors College Theses
The purpose of this research is to improve understanding of the neurodevelopmental effects of embryonic exposure to elevated inflammation and oxidative stress induced by the antipyretic drug acetaminophen (APAP). Our study was the first to examine the interactive effects of APAP and inflammation in zebrafish embryos and how the treatments affect brain development and larval behavior. Experimental groups of zebrafish larvae were exposed to lipopolysaccharide (LPS) to induce inflammation, APAP, or LPS + APAP and larval behavior was analyzed using Ethovision automated behavioral tracking software. We also measured changes in whole-brain Glycogen Synthase Kinase 3 Beta (GSK3B) and GSK3B phosphorylation, …
Examining The Oxidative Stress Effects In Rats Exposed To 2-Aminoanthracene In Utero And High Fat Diet Three Months After, Brianna A. Lanoix
Examining The Oxidative Stress Effects In Rats Exposed To 2-Aminoanthracene In Utero And High Fat Diet Three Months After, Brianna A. Lanoix
Honors College Theses
Polycyclic aromatic hydrocarbons are organic compounds that are created synthetically or found in partially burned oil, gasoline, and coal. 2-aminoanthracene (2AA) is a common example of a PAH and can affect lipid and carbohydrate metabolism and resulting in inflammatory problems and oxidative stress. The objective of the research project is to investigate oxidative stress in relation to diabetes in rats exposed to 2AA in utero and a high fat diet later in life. Pregnant dams were separated into treatment groups based on their dosages of 2AA; 0 mg/kg (control), 50 mg/kg (low), 100 mg/kg (high). During the gestation -postpartum period, …
S.O.S. For Covid-19 (Subjective And Objective Screening): Are Asymptomatic Cases Truly Without Warning Signs?, Nathan Hughes
S.O.S. For Covid-19 (Subjective And Objective Screening): Are Asymptomatic Cases Truly Without Warning Signs?, Nathan Hughes
Honors College Theses
This study investigates the usefulness of five objective signs, evaluates relationships between objective signs with symptoms of COVID-19, and assesses the accuracy of ambient forehead temperature with tympanic temperature. Data were collected at Wayne State University. Blood oxygen levels and blood pressure were measured via pulse oximeters and blood pressure cuff. Body temperature was measured with a thermometer via the temple and the forehead. Smell was tested with two scented markers. None of the 29 participants confirmed a positive COVID-19 test. Therefore, only relationships between vital sign measurements were reported. No significant correlations were revealed upon analysis. Infrared and temporal …
Presence Of Dirofilaria Immitis In Mosquitoes In Southeastern Georgia, Angelica C. Tumminello
Presence Of Dirofilaria Immitis In Mosquitoes In Southeastern Georgia, Angelica C. Tumminello
Honors College Theses
Canine heartworm disease is caused by the filarial nematode Dirofilaria immitis, which is transmitted by at least 25 known species of mosquito vectors. This study sought to understand which species of mosquitoes are present in Bulloch County, Georgia, and which species are transmitting canine heartworm disease. This study also investigated whether particular canine demographics correlated with a greater risk of heartworm disease. Surveillance of mosquitoes was conducted in known heartworm-positive canine locations using traditional gravid trapping and vacuum sampling. Mosquito samples were frozen until deemed inactive, then identified by species and sex. The mosquitoes were then either dissected under …
Morphological Comparison Of Fourth-Instar Larvae From Various Populations Of Wyeomyia Smithii, Kendra D. Moore
Morphological Comparison Of Fourth-Instar Larvae From Various Populations Of Wyeomyia Smithii, Kendra D. Moore
Honors College Theses
Populations of pitcher plant mosquitoes, Wyeomyia smithii, have exhibited recent shifts in blood-feeding behavior, likely in response to changes in climate and food availability. A comparison of various morphological structures in fourth-instar larvae was conducted to investigate the hypothesis that geographic and temporal dietary differences are reflected in changes in organismal size.
Carinata Fame Production Process And Biofuel Oxidation, Benoit Kindo
Carinata Fame Production Process And Biofuel Oxidation, Benoit Kindo
Honors College Theses
In this experiment, the contribution of a standard production method for biofuels on their oxidative stability was investigated. Peroxide values were measured at different steps of the production process of Brassica carinata and peanut-based biofuels. The washing and drying steps in this production method showed significant increases in peroxide values for both biofuels and was identified as a major contributor of biofuel oxidation. Further analyses of the physical and thermal properties showed a more pronounced affect in the biofuel from Bassica carinata, and indicated an unusual composition much higher in saturated fatty acids much longer than those found in peanut. …