Example sentences for: β-hemolytic

How can you use “β-hemolytic” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • Based on the M and M-related protein phenotypic characteristics of the β-hemolytic positive kidney-recovered variant of the sagA/pel mutant in vitro , we predicted this variant would be virulent in a mouse skin infection model.

  • What was surprising was when cultured on blood agar plates at 37°C these isolates were β-hemolytic yet remained erythromycin resistant.

  • Previous studies from our laboratory have consistently demonstrated loss of the SpeB phenotype in S. pyogenes isolates injected in a skin air sac and recovered from the organs of lethally infected mice [ 10 16 ] . This selection was not associated with loss of β-hemolysis but was associated with over-expression of M and M-related proteins, which in turn are predictive of the invasive potential of the organism in a skin infection model [ 16 ] . Based on the phenotypic characteristics of the kidney-recovered variant (β-hemolytic positive, M and M-related protein positive and SpeB negative) we predicted that this variant would be as virulent or more virulent than the wild type organism in the mouse skin infection model.

  • In this study we have analyzed a representative β-hemolytic positive kidney-recovered variant.

  • Northern blot and primer extension analysis confirmed that the sagA/pel gene was transcribed in the β-hemolytic kidney-recovered variant, while sagA/pel message was not seen in the parental β-hemolysis negative sagA/pel mutant.


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