Required for the transport and metabolism of lactose in Escherichia Coli (E. coli).The lactose operon or lac operon consists of three structural genes namely lacZ, lacY, and lacA that encode proteins ...
You have full access to this article via your institution. Figure 1: Variation of the steady-state β-galactosidase activity with the specific growth rate. Because the β-galactosidase activity of ...
Mutants of E. coli K12 with deletions of the β -galactosidase gene (lacZ) can reacquire the ability to hydrolyze β -galactosides during prolonged intense selection for growth on lactose. Full lactose ...