Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 172 for “"Salmonella enterica"”.
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Regulation of virulence in Salmonella enterica
Salmonella enterica serovar Typhimurium is a facultative intracellular pathogen, capable of causing disease in a variety of animal hosts. Both invasion of the host intestinal epithelial cells, and survival and replication in host macrophages are required for the successful establishment of the …
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Periplasmic determinants of virulence in Salmonella enterica
Salmonella enterica serovar Typhimurium is a facultative intracellular pathogen that is capable of causing systemic infection in mammals. Its normal course of infection brings this organism into the diverse environments of the stomach, the small intestine, the large intestine, and in the case of …
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Investigations into quinolone and fluoroquinolone resistance in Salmonella enterica
Infections with Salmonella enterica usually present as a self-limiting diarrhoeal disease. Occasionally, antimicrobial intervention is required for invasive infection or patients with underlying disease or at the extremities of age. In adults the therapeutic agents of choice are the …
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Genomic diversity and genomic typing of Salmonella enterica serovar Typhimurium
Salmonella enterica serovar Typhimurium (S. Typhimurium) is one of the most frequently reported serovars in Australia. In the first study of this thesis, 21 S. Typhimurium genomes from Salmonella reference collection A (SARA) were sequenced. Together with 47 publicly available S. Typhimurium …
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Análisis genético y molecular del operon std de salmonella enterica
Salmonella enterica serovar Typhimurium es una bacteria gram-negativa que causa enfermedades gástricas y sistémicas en una gran variedad de organismos, incluyendo la especie humana. La invasión del epitelio intestinal es un proceso crítico en la infección por Salmonella y requiere funciones …
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Assessment of Salmonella enterica Biofilms and Expression Differences Among Serovars
… novel treatments in the future. In particular, Salmonella enterica, one of the most prevalent foodborne pathogens worldwide, can produce biofilms that are difficult to remove. The thesis starts with a literature review detailing the mechanisms behind biofilm formation, evaluating the state of …
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Transcriptional regulation in Salmonella enterica by the Lysr-type factor LeuO
En Salmonella enterica serovar Typhimurium, igual que en el resto de procariotas, el cromosoma se encuentra compactado en una región del citoplasma denominada nucleoide. Esta compactación es debida, en parte, a la presencia de proteínas asociadas al nucleoide (NAPs), entre las cuales destaca H-NS, …
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Characterisation of the temperate bacteriophages of salmonella enterica and salmonella bongori
Salmonella is a major cause of enteric illness in both humans and animals. The ability of Salmonella isolates to cause disease in animals and humans encompasses a spectrum of host specificity and disease severity. In terms of evolution Salmonella isolates have remained relatively similar in terms …
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Mechanisms of anaerobic nitric oxide detoxification by Salmonella enterica serovar Typhimurium
Salmonella is the cause of millions of food- and water-borne infections worldwide. Systemic infection and gastroenteritis are the main diseases and often prove fatal to immunocompromised patients. Key to Salmonella’s pathogenicity is the survival of several components of the innate immune system …
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Antibiotic and biocide resistance in Salmonella enterica and Escherichia coli 0157
… investigated the potential for resistance in Salmonella enterica serovars Enteritidis, Typhimurium, Virchow and Escherichia call 0157 to commonly used biocides, to identify mechanisms underlying resistance and whether these provided cross-resistance to antibiotics. Salmonella enterica and E. …
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Analysis of Host Specificity in Salmonella Enterica Serovars Typhi and Typhimurium
… of chromosomal DNA between different serovars of Salmonella in order to create genetic hybrids. Using the conserved 16S rRNA gene from Salmonella as a portable region of homology, I created high frequency of recombination (Hfr) conjugal donors that contain an origin of transfer within the various …
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Fatty Acid Degradation in Escherichia Coli and Salmonella Enterica Serovar Typhimurium
Wild type strains of S. enterica grow on decanoic acid whereas wild type E. coli strains cannot. Mutant strains (fadR) of both organisms are readily isolated in which the genes (fad) of fatty acid degradation are expressed constitutively. The S. enterica fadR strains grow more rapidly than the wild …
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Finding Typhoid Mary: Identifying Latent Carriers of Salmonella enterica serovar Typhimurium
Salmonella enterica serovar Typhimurium (S. Typhimurium) is an important human pathogen. The Centers for Disease Control and Prevention (CDC) estimates that 1,027,561 people become ill with nontyphoidal Salmonellosis annually, and S. Typhimurium is one of the most common disease causing serovars. …
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High Hydrostatic Pressure Processing Reduces Salmonella enterica from Diced and Whole Tomatoes
… as a post harvest treatment to eliminate Salmonella enterica from tomatoes. The objectives of the study were to determine the potential for of HPP to reduce S. enterica serovars Newport, Javiana, Braenderup and Anatum (clinical isolates from tomato outbreaks) in tryptic soy broth (TSB) and …
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The Potential Interaction of Salmonella enterica and Ralstonia solanacearum in Tomato Plants
… tomato all originating from the same strain, Salmonella enterica serovar Newport. In addition to S. Newport contamination, the devastating plant disease, bacterial wilt, caused by the phytopathogen Ralstonia solanacearum threatens the sustainability of ESV tomato production. Bacterial wilt is …
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Quantitative Recovery of Listeria monocytogenes and Salmonella enterica from Environmental Sampling Media
… the food industry are Listeria monocytogenes and Salmonella enterica. Environmental samples are rarely analyzed immediately, but instead may be batched for later analysis or shipped to an off site testing facility. Multiple media on the market today is used for storage and transport of …
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Role of Salmonella enterica subspecies enterica serovar Enteritidis pathogenicity island-2 in chickens
Salmonella enterica subspecies enterica serovar Enteritidis (S. Enteritidis) has been identified as a significant cause of salmonellosis in humans. Salmonella pathogenicity islands 1 and 2 (SPI-1 and SPI-2) each encode a specialized type III secretion system (T3SS) that enables Salmonella to …
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Mode of Entry and Survival of Salmonella Enterica Serovar Typhimurium in Trophoblast Cells
Salmonella enterica species are intracellular bacteria causative agents of gastroenteritis and typhoid fever in humans. Pregnancy poses an increased risk of severe Salmonellosis in many mammalian species contributing to miscarriage and/or maternal illness. Previous studies indicated that Salmonella …
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Role of Bacterial Effectors SopD and SopB in Pathogenicity of Salmonella enterica serovar Typhimurium.
Salmonella enterica serovar Typhimurium is a facultative intracellular pathogen that has evolved to take advantage of the eukaryotic host cells it inhabits during infection. It uses bacterial effectors translocated into the host cell cytosol to manipulate host cell machinery and establish a …
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