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B. subtilis hydrolysis of X-Gal in the presence of various substratesa
| Construct | Arabinose | Arabinose + galactose | Galactan | Arabinose + galactan |
|---|---|---|---|---|
| Wild type | − | − | + | ++ |
| lacA::Cmr | − | NT | − | − |
| yesZ::Cmr | − | NT | + | ++ |
| galA::Cmr | − | NT | − | − |
+, hydrolysis of X-Gal detected; −, no visible hydrolysis of X-Gal; NT, not tested.
