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  • Martina Bielaszewska, Alexander Mellmann, +5 authors Helge Karch
  • Biology, Medicine
  • The Lancet. Infectious diseases
  • 2011 (First Publication: 1 September 2011)
  • BACKGROUND In an ongoing outbreak of haemolytic uraemic syndrome and bloody diarrhoea caused by a virulent Escherichia coli strain O104:H4 in Germany (with some cases elsewhere in Europe and NorthExpand
  • Martina Bielaszewska, Alexander W. Friedrich, Thomas Aldick, Robin Schürk-Bulgrin, Helge Karch
  • Medicine
  • Clinical infectious diseases : an official…
  • 2006 (First Publication: 1 November 2006)
  • BACKGROUND Some Escherichia coli produce Shiga toxin (Stx) in which cytotoxicity is increased (activated) by intestinal mucus and elastase (Stx2d(activatable)). These strains are highly virulent inExpand
  • Helge Karch, Martina Bielaszewska
  • Medicine, Biology
  • Journal of Clinical Microbiology
  • 2001 (First Publication: 1 June 2001)
  • The significance of Shiga toxin (Stx)-producing Escherichia coli (STEC) O157:H7 as the major cause of hemorrhagic colitis and the hemolytic-uremic syndrome (HUS) worldwide has been well establishedExpand
  • Herbert Schmidt, Martina Bielaszewska, Helge Karch
  • Medicine, Biology
  • Applied and Environmental Microbiology
  • 1999 (First Publication: 1 September 1999)
  • ABSTRACT We investigated the ability of a detoxified derivative of a Shiga toxin 2 (Stx2)-encoding bacteriophage to infect and lysogenize entericEscherichia coli strains and to develop infectiousExpand
  • Wenlan Zhang, Martina Bielaszewska, Thorsten Kuczius, Helge Karch
  • Biology, Medicine
  • Journal of Clinical Microbiology
  • 2002 (First Publication: 1 April 2002)
  • ABSTRACT By using sequence analysis of Shiga toxin 1 (Stx 1) genes from human and ovine Stx-producing Escherichia coli (STEC) strains, we identified an Stx1 variant in STEC of human origin that wasExpand