-RRB- b-galactosidase Activity b-galactosidase Activit SirA induction of invF requires HilD Previous evidence suggested that SirA required the HilC/HilD/RtsA binding sites in the hilA promoter to induce expression of hilA .
-RRB- b-galactosidase Activity b-galactosidase Activit SirA induction of hilA requires HilD Previous evidence suggested that SirA required the HilC/HilD/RtsA binding sites in the hilA promoter to induce expression of hilA .