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Article

An amino‐terminal signal peptide of Vfr protein negatively influences RopB‐dependent SpeB expression and attenuates virulence in <i>Streptococcus pyogenes</i>

31 Oct 2011

Abstract excerpt

Streptococcal pyrogenic exotoxin B (SpeB) is an extracellular cysteine protease that is a critical virulence factor made by the major human pathogen group A Streptococcus (GAS). speB expression is dependent on the regulator of proteinase B (RopB) and is upregulated with increasing cell density and during infection. Because computer modelling suggested significant structural similarity between RopB and...

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PMID: 22040048
DOI: 10.1111/j.1365-2958.2011.07902.x

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