Search for dissertations about: "Neisseria"

Showing result 1 - 5 of 77 swedish dissertations containing the word Neisseria.

2. 1. Pathogenic Neisseria : Single cell motility, multicellular dynamics and antimicrobial susceptibility

   Author : Olaspers Sara Eriksson; Ann-Beth Jonsson; Matthew Francis; Stockholms universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Neisseria; Type IV pili; Twitching motility; PilT; Microcolony dynamics; PilU; NafA; Antimicrobial peptide; Cell-penetrating peptide; molekylär biovetenskap; Molecular Bioscience;

   Abstract : Neisseria meningitidis and Neisseria gonorrhoeae can colonize humans without causing any symptoms. However, gonorrhea and invasive meningococcal disease are serious health concerns. An essential virulence factor for neisserial adhesion to host cells, twitching motility and microcolony formation/aggregation is the retractile type IV pili (Tfp). READ MORE

4. 2. Sulphonamide Resistance in Neisseria meningitidis and Commensal Neisseria Species

   Author : Yvonne Qvarnström; Göte Swedberg; Dan Andersson; Uppsala universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Microbiology; sulphonamide resistance; Neisseria; natural transformation; adaptive evolution; substrate channelling; Mikrobiologi; Microbiology; immunology; infectious diseases; Mikrobiologi; immunologi; infektionssjukdomar;

   Abstract : Extensive use of the sulphonamide drugs against the bacterium Neisseria meningitidis has resulted in drug resistance development. Sulphonamide resistance in N. meningitidis is caused by alterations in the chromosomal folP gene, coding for DHPS (dihydropteroate synthase). READ MORE

5. 3. Virulence Factors and Motility Mechanisms of Pathogenic Neisseria

   Author : Jens Eriksson; Ann-Beth Jonsson; Helena Aro; Tone Tønjum; Stockholms universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Neisseria; Virulence factors; Type IV pili; PilT; PilU; NafA; NhhA; Twitching motility; molekylärgenetik; Molecular Genetics;

   Abstract : Neisseria gonorrhoeae and Neisseria meningitidis are two closely related human specific pathogens. Neisseria gonorrhoeae is the causative agent for the sexually transmitted disease gonorrhea and often causes asymptomatic infections in women which is a cause of infertility. READ MORE

6. 4. Pathogenic Neisseria infections of human neutrophils and epithelial cells : focusing on host responses and immune evasion

   Author : Niklas Söderholm; Helena Aro; Thomas Rudel; Stockholms universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Neisseria meningitidis; Neisseria gonorrhoeae; Neutrophils; PMN; Epithelial cells; Polarized cells; Type IV pili; Adherence; Cell cycle; DNA damage; Lactobacillus; molekylär biovetenskap; Molecular Bioscience;

   Abstract : N. meningitidis and N. gonorrhoeae are obligate human pathogens that colonize mucosal surfaces and are often carried asymptomatically. These bacteria have developed adhesive structures that promote adherence to host cells and efficient colonization of new hosts. READ MORE

7. 5. Antibiotic susceptibility and resistance in Neisseria meningitidis : phenotypic and genotypic characteristics

   Author : Sara Thulin Hedberg; Magnus Unemo; Per Olcén; Hans Fredlund; Ian Feavers; Örebro universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Neisseria meningitidis; meningococcal disease; antibiotic resistance; antibiotic susceptbility; biological cost; PCR; sequencing; Molecular biology; Molekylärbiologi; Microbiology; immunology; infectious diseases; Mikrobiologi; immunologi; infektionssjukdomar; Medical microbiology; Medicinsk mikrobiologi; Bacteriology; Bakteriologi; Biomedicin; Biomedicine; Medicin; Medicine;

   Abstract : Neisseria meningitidis, also known as the meningococcus, is a globally spread obligate human bacterium causing meningitis and/or septicaemia. It is responsible for epidemics in both developed and developing countries. READ MORE