Search for dissertations about: "Björn Olsen"

Showing result 21 - 25 of 30 swedish dissertations containing the words Björn Olsen.

  2. 21. Amoebae as Hosts and Vectors for Spread of Campylobacter jejuni

    Author : Jenny Olofsson; Patrik Ellström; Björn Olsen; Diana Axelsson-Olsson; Hans Lindmark; Uppsala universitet; []
    Keywords : Amoebae-Bacteria interactions; Campylobacter jejuni; epidemiology; environmental stress; low pH; Acanthamoeba; coculture; intracellular trafficking; bacterial survival; beverages; ACC-method; enrichment; genetic stability; Trojan horse; reservoir; host; vector; Infektionssjukdomar; Infectious Diseases;

    Abstract : Campylobacter jejuni is the leading bacterial cause of gastrointestinal diarrheal disease in humans worldwide. This zoonotic pathogen has a complex epidemiology due to its presence in many different host organisms. READ MORE

  4. 22. Resistance to neuraminidase inhibitors in influenza A virus isolated from mallards

    Author : Goran Orozovic; Björn Olsen; Johan Lennerstrand; Sigvard Olofsson; Linnéuniversitetet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; influenza; mallards; neuraminidase; PCR; sequencing; mutation; oseltamivir; zanamivir; resistance; NAI; antivirals; pandemic; Virology; Virologi; Molecular biology; Molekylärbiologi; Bioinformatics; Bioinformatik; Zoonotisk ekologi; Zoonotic Ecology; Virology; Virologi; Biokemi; Biochemistry;

    Abstract : Influenza A virus belongs to the Orothomyxoviridae family of viruses and is one of the most common pathogens that cause infections of the respiratory tract. The aim of this thesis was to investigate if neuraminidase inhibitor (NAI) Tamiflu® (oseltamivir, OC) and Relenza® (zanamivir, ZA) - related resistance mutations exist in the neuraminidase (NA) gene of viruses collected from wild birds. READ MORE

  5. 23. Importance of wild birds in the spread of Salmonella

    Author : Helena Palmgren; Björn Olsen; Bo Svenungsson; Umeå universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Salmonella; wild birds; Black-headed gull; Peregrine falcon; Antarctica; penguins; seals; PFGE; IS200; salmonella carriage;

    Abstract : Salmonella is one of the most important enteropathogenic bacteria. It is responsible for about 5000 reported cases of human gastroenteritis each year in Sweden. Salmonellosis is a zoonotic disease, and the bacterium has the ability to infect a variety of both domestic and wild animal species. READ MORE

  6. 24. Wild Birds as Carriers of Antibiotic Resistane E. coli and Extended-Spectrum Beta-Lactamases

    Author : Johan Stedt; Björn Olsen; Jonas Bonnedahl; Dik Mevius; Linnéuniversitetet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Mikrobiologi; Microbiology;

    Abstract : .... READ MORE

  7. 25. Aspects of Bacterial Resistance to Silver

    Author : Susanne Sütterlin; Åsa Melhus; Björn Olsen; Roland Möllby; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Antimicrobial resistance; Silver resistance; Clinical Bacteriology; Klinisk bakteriologi;

    Abstract : Bacterial resistance to antibiotics has increased rapidly within recent years, and it has become a serious threat to public health. Infections caused by multi-drug resistant bacteria entail higher morbidity, mortality, and a burden to health care systems. READ MORE