Table 1. Expression of the gsp‐lacZYA operon fusions
StrainRelevant genotypeGrowth temperature (°C)β‐galactosidase activity (Miller units)
PAP5033gspD‐lacZYA3057.6 ± 0.8
PAP5033gspD‐lacZYA3733.4 ± 3.7
PAP5064gspA‐lacZYA372.4 ± 1.0
PAP5108gspA‐lacZYA hns‐1001378.5 ± 1.9
PAP5090gspD‐lacZYA hns‐F237152.3 ± 36.6
PAP5048gspD‐lacZYA hns‐100137147.4 ± 26.2
  • Cells were grown in LB medium to mid‐exponential phase. β‐galactosidase activity was measured according to Miller (Miller, 1972). The values presented are means from at least three independent measurements with standard deviations.