Choose your poison: Shiga toxins 1 and 2 are the major virulence factors of E. coli O157:H7. However, Shiga 2 is more potent than Shiga 1. Biotinylated glycoconjugates have been developed that differentiate between these structurally homologous toxins (see picture; R=OH: selective for Shiga 1; R=NHAc: selective for Shiga 2). These synthetic materials efficiently capture toxins without interference from the sample matrix.
Zucker gegen Gifte: Die Shiga‐Toxine 1 und 2 sind die wichtigsten Giftstoffe von E. coli O157:H7, wobei Shiga 2 wirksamer ist als Shiga 1. Biotinylierte Glycokonjugate können zwischen den strukturhomologen Toxinen unterscheiden (siehe Formel; R = OH: Shiga‐1‐selektiv; R = NHAc: Shiga‐2‐selektiv). Diese synthetischen Substanzen fangen die Toxine effizient und ohne Störung durch die Probenmatrix ein.
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