G
Geir Mathiesen
Researcher at Norwegian University of Life Sciences
Publications - 72
Citations - 2602
Geir Mathiesen is an academic researcher from Norwegian University of Life Sciences. The author has contributed to research in topics: Lactobacillus plantarum & Signal peptide. The author has an hindex of 27, co-authored 68 publications receiving 2142 citations.
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Journal ArticleDOI
High-level, inducible gene expression in Lactobacillus sakei and Lactobacillus plantarum using versatile expression vectors.
Elisabeth Sørvig,Elisabeth Sørvig,Geir Mathiesen,Kristine Naterstad,Vincent G. H. Eijsink,Lars Axelsson +5 more
TL;DR: It was shown that the best vectors permitted inducible, pheromone-dose-dependent gene expression at very high levels, while displaying moderate basal activities when not induced.
Journal ArticleDOI
Structural and Functional Characterization of a Lytic Polysaccharide Monooxygenase with Broad Substrate Specificity
Anna S. Borisova,Trine Isaksen,Maria Dimarogona,Abhishek A. Kognole,Geir Mathiesen,Anikó Várnai,Åsmund K. Røhr,Christina M. Payne,Christina M. Payne,Morten Sørlie,Mats Sandgren,Vincent G. H. Eijsink +11 more
TL;DR: The novel structure of NcLPMO9C enabled a comparative study, revealing that the oxidative regioselectivity of L PMO9s (C1, C4, or both) correlates with distinct structural features of the copper coordination sphere.
Journal ArticleDOI
Characterization of the Chitinolytic Machinery of Enterococcus faecalis V583 and High-Resolution Structure of Its Oxidative CBM33 Enzyme
Gustav Vaaje-Kolstad,Liv Anette Bøhle,Sigrid Gåseidnes,Bjørn Dalhus,Magnar Bjørås,Geir Mathiesen,Vincent G. H. Eijsink +6 more
TL;DR: Insight is provided into the structure and function of the CBM33 family of enzymes, which, together with their fungal counterpart called GH61, currently receive considerable attention in the biomass processing field.
Journal ArticleDOI
Construction of vectors for inducible gene expression in Lactobacillus sakei and L. plantarum
Elisabeth Sørvig,Sonja Grönqvist,Kristine Naterstad,Geir Mathiesen,Vincent G. H. Eijsink,Lars Axelsson +5 more
TL;DR: Using beta-glucuronidase as a reporter enzyme, variants of these vectors were compared with each other, and with a corresponding system based on genes involved in the production of nisin.
Journal ArticleDOI
Display of recombinant proteins at the surface of lactic acid bacteria: strategies and applications
TL;DR: The most commonly surfaced exposed recombinant proteins produced in LAB are antigens and antibodies and the most commonly used LAB species are lactococci and lactobacilli as discussed by the authors.