Figure 1

The lactose catabolism cassette of Bacilli (a) and the yih cassette of Enterobacteriaceae (b). Genes encoding proteins with similar functions are marked with the same colour. Genes marked white have no matches between the cassettes.

The lactose catabolism cassette of Bacilli (a) and the yih cassette of Enterobacteriaceae (b). Genes encoding proteins with similar functions are marked with the same colour. Genes marked white have no matches between the cassettes.