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Showing result 1 - 5 of 7 swedish dissertations matching the above criteria.
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1. Characterisation of Food Associated Bacteria by DNA based Methods, with Special Reference to Enterobacteriaceae
Abstract : The presence of genes in food, encoding some virulence factors, was studied by PCR, and species of Enterobacteriaceae, associated with food, were studied by the DNA-based methods of TTGE, ribotyping and sequencing. The flora of fresh and chill-stored pork were analysed by a culture-independent approach, using specific amplification of 16S rRNA genes followed by cloning and sequencing. READ MORE
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2. Lactobacillus in semi-hard cheese and their use as adjunct cultures
Abstract : The microflora of Herrgård cheese produced at three dairies was compared after three and six months maturation. The microflora of cheeses from two of the dairies was dominated by a spontaneous microflora of Lactobacillus after three months of ripening, while starter bacteria still dominated in cheese from the third dairy after six months. READ MORE
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3. Identification and characterisation of bacteria based on 16S rDNA techniques with special reference to Helicobacter pylori in the gastro-intestinal tract
Abstract : The overall aim of this study was to establish molecular techniques for the detection and identification of "difficult to grow" - bacteria in mixed bacterial populations in clinical samples without the need for culturing procedures.Material and Methods: Thirty-nine strains of Mobiluncus were used as a model system for phylogenetic classification of fastidious bacteria based on 16S ribosomal DNA (rDNA) sequences. READ MORE
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4. Systematics of Lactobacillus spp. of probiotic potential
Abstract : Lactobacillus is a heterogeneous bacterial genus comprising at present 91 species. The high species number often makes classification and identification difficult, especially as the taxonomy to a high degree has been based on phenotypical traits. READ MORE
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5. Experimental Helicobacter pylori infection in an animal model
Abstract : Background: Helicobacter pylori is a microaerophilic Gram-negative bacterium colonizing the human stomach. The prevalence of this infection is between 20-90% depending on geographic location. Comprehensive studies have shown significant relationships between H. pylori infection and chronic gastritis, peptic ulcer and gastric carcinoma. READ MORE