• Increased cytotoxicity and streptolysin O activity in group G streptococcal strains causing invasive tissue infections 

      Siemens, Nikolai; Kittang, Bård Reiakvam; Chakrakodi, Bhavya; Oppegaard, Oddvar; Johansson, Linda; Bruun, Trond; Mylvaganam, Haima; Svensson, Mattias; Skrede, Steinar; Norrby-Teglund, Anna (Peer reviewed; Journal article, 2015)
      Streptococcus dysgalactiae subsp. equisimilis (SDSE) has emerged as an important cause of severe skin and soft tissue infections, but little is known of the pathogenic mechanisms underlying tissue pathology. Patient samples ...
    • Neutrophil-derived reactive agents induce a transient SpeB negative phenotype in Streptococcus pyogenes 

      Shumba, Patience; Sura, Thomas; Moll, Kirsten; Chakrakodi, Bhavya; Tölken, Lea A.; Hoßmann, Jörn; Hoff, Katharina J.; Hyldegaard, Ole; Nekludov, Michael; Svensson, Mattias; Arnell, Per; Skrede, Steinar; Norrby-Teglund, Anna; Siemens, Nikolai (Journal article; Peer reviewed, 2023)
      Background Streptococcus pyogenes (group A streptococci; GAS) is the main causative pathogen of monomicrobial necrotizing soft tissue infections (NSTIs). To resist immuno-clearance, GAS adapt their genetic information ...