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Table 2 Urease assay results and comparison to microarray results

From: Different bacterial gene expression patterns and attenuated host immune responses are associated with the evolution of low-level vancomycin resistance during persistent methicillin-resistant Staphylococcus aureusbacteraemia

   VISA/VSSA fold ratio
Strain Urease activity (μmol urea min-1 mg protein-1) urease assay microarray (ureA)
Pair 1    
   JKD 6000 0.0   
   JKD 6001 8.2 >8.2 3.75*
Pair 2    
   JKD 6009 3.9   
   JKD 6008 6.8 1.7 1.40
Pair 3    
   JKD 6021 3.7   
   JKD 6023 17.1 4.6 1.82*
Pair 4    
   JKD 6052 3.8   
   JKD 6051 5.17 1.5 2.69*
Pair 5    
   JKD 6004 2.3   
   JKD 6005 1.5 0.65 0.73
  1. Abbreviations: VSSA, vancomycin-susceptible S. aureus; VISA, vancomycin intermediate S. aureus.
  2. *Microarray fold ratios were statistically significant.