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Potential for Phenotypic Plasticity in the Hyperosmotic Stress Response of Diverse E. coli
(North Dakota State University, 2021)
Escherichia coli inhabits multiple environments that contain varying physical stresses which emphasize the importance of adaptation. The large pangenome of E. coli can account for some strain-to-strain variances in phenotype, ...
ß-phenylethylamine: A Novel Chemo-Attractant Agent
(North Dakota State University, 2021)
Bacterial metabolism and physiology are finely tuned mechanisms that maintain homeostasis for the bacterium and allow for responses to environmental signals. Responses could include anything from regulation of cell division ...
Validation of Effects of SNV From GWAS on Biofilm Phenotype Using a CRISPR System With Universal Guide RNA Sequence
(North Dakota State University, 2021)
Extraintestinal E. coli have adapted to survive in secondary environments outside of the intestines of a host. The genetically diverse phylogroup D was use to validate two previous GWAS analysis that identified single ...
The Response of Salmonella enterica and Enterohemorrhagic Escherichia coli in Low-Moisture Environments
(North Dakota State University, 2021)
The recent increase in outbreaks of low-moisture foods due to contamination with foodborne pathogens has led to an increase in interest of the response of these pathogens to low-moisture environments. In addition, knowledge ...
Studies in Pathogenesis of a Novel Isolate of Cronobacter Sakazakii using an In Vitro Blood Brain Barrier Model
(North Dakota State University, 2013)
Genus Cronobacter is a member of the family Enterobacteriaceae consisting of several opportunistic species. The primary focus of this study was to utilize an in vitro co-culture model of the blood brain barrier to investigate ...
Cronobacter Sakazakii Characterization and Analysis of Cytotoxicity in Microvascular Endothelial Cells
(North Dakota State University, 2014)
Contamination of powdered infant formulas by the bacteria Cronobacter sakazakii can pose serious risk to infants and neonates who consume the formula and subsequently develop C. sakazakii related illnesses such as sepsis ...
16S Ribosomal RNA and Phylograms: Characterizing Student Reasoning to Learning Outcomes from the American Society for Microbiology Curriculum
(North Dakota State University, 2017)
The American Society for Microbiology (ASM) has established a suggested curriculum for introductory microbiology courses that includes a focus on evolution. However, no data is published to describe how proficiently students ...
Attachment and Biofilm Formation of Foodborne Pathogens
(North Dakota State University, 2017)
Outbreaks of Listeria monocytogenes, Salmonella, and Escherichia coli are increasingly attributed to fresh produce. Current control measures have been assessed for decades, with no alternatives adopted. Sources were ...
Efficacy of Chlorine Dioxide Fumigation on the Spores of Paenibacillus larvae, the Causative Agent of American Foulbrood Disease in Honeybees
(North Dakota State University, 2019)
Honeybees (Apis mellifera) play a critical role in agricultural pollination. However, their health and numbers are in decline. A major cause of this decline is bacterial diseases, of which American foulbrood disease (AFB) ...
Gene Regulation in Biofilms
(North Dakota State University, 2011)
Sessile bacterial communities which form on the solid surface or solid-liquid interface
are known as biofilms. Both single species and multispecies biofilms are characterized
by an extracellular matrix of polymeric ...