Blar i forfatter Det helsevitenskapelige fakultet "Wolden, Runa"

Viser treff 1-6 av 6

    • Antimicrobial susceptibility and body site distribution of community isolates of coagulase-negative staphylococci 

      Cavanagh, Jorunn Pauline; Wolden, Runa; Heise, Philipp; Esaiassen, Eirin; Klingenberg, Claus; Aarag, Elizabeth (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-09-07)
      The primary aim of this study was to determine antimicrobial resistance in coagulase-negative staphylococci (CoNS) from healthy adults in the community. Healthy adults (n = 114) were swabbed on six body sites; both armpits, both knee pits and both sides of the groin. Species determination was performed using Matrix Assisted Laser Desorption Ionization – Time of Flight (MALDI-TOF) and susceptibility ...

    • Identification of surface proteins in a clinical Staphylococcus haemolyticus isolate by bacterial surface shaving 

      Wolden, Runa; Pain, Maria; Karlsson, Roger; Karlsson, Anders; Fredheim, Elizabeth G. Aarag; Cavanagh, Jorunn Pauline (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-04-07)
      <p><i>Background - </i>The skin commensal <i>Staphylococcus haemolyticus</i> is an emerging nosocomial pathogen. Despite its clinical relevance, published information about <i>S. haemolyticus</i> virulence factors is scarce. In this study, the adhesive and biofilm forming properties of ten clinical and ten commensal <i>S. haemolyticus</i> strains were examined using standard adhesion and biofilm ...

    • Identifying Staphylococcus haemolyticus surface proteins. Development of a novel method for detection of bacterial surface proteins expressed during colonisation of human keratinocytes 

      Wolden, Runa (Master thesis; Mastergradsoppgave, 2018-05-15)
      The aim was to develop a method for identification of expressed surface proteins of Staphylococcus haemolyticus when colonising human keratinocytes. S. haemolyticus and HaCaT cells were grown together and separated with FACS prior to surface protein shaving using the LPI™FlowCell technology (Nanoxis Consulting AB). TMT-tags were used to investigate up- and downregulation of proteins comparing S. ...

    • The novel bacteriocin romsacin from Staphylococcus haemolyticus inhibits Gram-positive WHO priority pathogens 

      Wolden, Runa; Ovchinnikov, Kirill; Venter, Hermoine Jean; Oftedal, Thomas; Diep, Bao Dung; Cavanagh, Jorunn Pauline (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-10-31)
      Staphylococcus haemolyticus is an increasingly relevant nosocomial pathogen. The combination of multi-drug resistance and ability to form biofilms makes S. haemolyticus infections difficult to treat. Bacteriocins are ribosomally synthesized antimicrobial peptides produced by bacteria to inhibit growth of often closely related bacteria. Due to differences in the modes of action between bacteriocins ...

    • Staphylococcus borealis sp. Nov., isolated from human skin and blood 

      Ronessen Pain, Maria; Wolden, Runa; Jaén-Luchoro, Daniel; Salvà-Serra, Francisco; Iglesias, Beatriz Piñeiro; Karlsson, Roger; Klingenberg, Claus; Cavanagh, Jorunn Pauline (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-10-13)
      When analysing a large cohort of Staphylococcus haemolyticus , using whole-genome sequencing, five human isolates (four from the skin and one from a blood culture) with aberrant phenotypic and genotypic traits were identified. They were phenotypically similar with yellow colonies, nearly identical 16S rRNA gene sequences and initially speciated as S. haemolyticus based on 16S rRNA gene sequence and ...

    • Staphylococcus borealis sp. nov., isolated from human skin and blood 

      Pain, Maria; Wolden, Runa; Jaén-Luchoro, Daniel; Salvà-Serra, Francisco; Iglesias, Beatriz Piñeiro; Karlsson, Roger; Klingenberg, Claus; Cavanagh, Jorunn Pauline (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-10-13)
      When analysing a large cohort of <i>Staphylococcus haemolyticus</i>, using whole-genome sequencing, five human isolates (four from the skin and one from a blood culture) with aberrant phenotypic and genotypic traits were identified. They were phenotypically similar with yellow colonies, nearly identical 16S rRNA gene sequences and initially speciated as <i>S. haemolyticus</i> based on 16S rRNA gene ...