Beta-D-galactosidase gene (lacZ)

The lacZ gene encodes the enzyme beta-galactosidase, which is essential for the metabolism of lactose in bacteria by breaking it down into glucose and galactose. It is part of the lac operon, a crucial regulatory system in *Escherichia coli* that allows bacteria to adapt to lactose availability when glucose is absent[1][2][3]. The lacZ gene is often used as a reporter gene in molecular biology due to its ease of assay[5][6]. While the lacZ gene encodes an enzyme, it is not generally considered a therapeutic target in the context of human diseases but is crucial for understanding gene regulation and metabolic processes in bacteria.

Other names

lacZ genebeta-galactosidase gene

None applicable