Blar i Faculty of Chemistry, Biotechnology and Food Science (KBM) på forfatter "Håvarstein, Leiv Sigve"
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A penicillin resistant Streptococcus pneumoniae in the making : characterizing resistance development and cell fitness after acquiring low-affinity penicillin-binding proteins and a mosaic MurM
Heggenhougen, Maria Victoria (Master thesis, 2019)Streptococcus pneumoniae is an important human pathogen, causing about 100 millions of cases of disease and 1 – 2 million deaths every year. The rapid evolution and spread of multiresistant strains threaten current antibiotic ... -
Cell-shape regulation in Streptococcus pneumoniae : EloR/KhpA, a new regulatory pathway administering cellelongation
Winther, Anja Ruud (PhD Thesis;2020:36, Doctoral thesis, 2020)The oval shaped Streptococcus pneumoniae utilizes both septal and peripheral peptidoglycan (PG) synthesis in order to maintain its shape. The protein complexes responsible for synthesizing PG are called the elongasome and ... -
Characterization of Lactococcus garvieae from rainbow trout (Oncorhynchus mykiss) in Spain and Turkey
Nygaard, Anja (Master thesis, 2019)Lactococcus garvieae is an emerging pathogen that causes mortalities in various farmed fish species, resulting in significant economic losses in aquaculture worldwide. The Gram-positive bacteria is pathogenic to both ... -
Characterization of the penicillin-binding proteins in Streptococcus oralis Uo5
Fykse, Silja Kavlie (Master thesis, 2017)In the search for new antibiotics the mechanism behind cell division has been studied for decades. The extensive use of antibiotics has led to the development of resistant bacteria, a problem that has become a global threat. ... -
Deteksjon og kvantitering av humant papillomavirus DNA i serum hos kvinner med og uten celleforandringer i livmorhalsen
Sandberg, Yvonne (Master thesis, 2017)Persisterende infeksjon med humant papillomavirus (HPV) kan føre til utvikling av celleforandringer i livmorhalsen og livmorhalskreft, som på verdensbasis forårsaker 270 000 dødsfall hvert år. Innføringen av screeningprogrammet ... -
Molecular mechanisms of pneumococcal fratricide
Eldholm, Vegard (PhD Thesis;2010:13, Doctoral thesis, 2010)The bacterium Streptococcus pneumoniae is endowed with the ability to take up naked DNA from the surroundings and recombine this DNA into the chromosome. This property, termed competence for natural genetic transformation, ... -
Natural genetic transformation: development of a new genetic tool for Streptococcus thermophilus
Blomqvist, Trinelise (PhD Thesis;2010:16, Doctoral thesis, 2010)Lactic acid bacteria (LAB) have been used in fermentation of foods for hundreds or even thousands of years. During the last decade the genome sequences of a number of commercially important LAB species and strains have ... -
Purification and characterization of streptovoracin, a novel antibiotic produced by a Pseudomonas species isolated from the Oslo fjord
Nesdal, Malene Tidemann (Master thesis, 2019)Antibiotikaresistent Streptococcus pneumoniae er en av de 18 største bakterielle truslene verden står ovenfor. Bakterien er alene ansvarlig for oppunder 2 millioner dødsfall hvert år på verdensbasis. På grunn av stadig ... -
Regulation of expression, purification and structural determination of the cross-wall splitting protein PcsB in Streptococcus pneumoniae
Stamsås, Gro Anita (PhD Thesis;2015:8, Doctoral thesis, 2018-04-24)The human pathogen Streptococcus pneumoniae causes approximately 1.6 million deaths per year. Hence, it is of great concern that the bacterium`s resistance against antibiotics has increased dramatically in recent decades. ... -
Rensing og karakterisering av colwellicin, et antimikrobielt stoff isolert fra Shewanella colwelliana
Fonn, Jeanette Stenersen (Master thesis, 2020)Da antibiotika ble introdusert på markedet, gav det håp om at infeksiøse sykdommer kunne bli bekjempet en gang for alle. Denne optimismen ble etter hvert overskygget av et økende antibiotikaresistensproblem. Resistensproblemet ...