Analysis of expression of the alpha-toxin gene (hla) of Staphylococcus aureus by using a chromosomally encoded hla::lacZ gene fusion

Abstract excerpt

The staphylococcal alpha-toxin (Hla) is a major virulence factor contributing to Staphylococcus aureus pathogenesis. To elucidate the conditions influencing hla expression, the determinant was fused to lacZ, the reporter gene coding for beta-galactosidase. The hla::lacZ fusion was integrated into the chromosome of the wild-type S. aureus strain Wood 46, leading to the variant Wood 46-3. Alpha-toxin expression was...

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