Figure 2.

Gene cassettes for sugar utilization. (A) General structure of a functional gene cassette; (B) example of rhamnose and galactitol utilization cassettes and their organization in two L. plantarum strains and other lactobacilli; (C) example of various sugar utilization cassettes and their organization in various lactobacilli. Orthologs in different strains/species are indicated by corresponding numbers and colors.