2.7.1.191 down manX gene expression is negatively regulated by NagC and Mlc proteins 736822 2.7.1.191 down small RNA SgrS-mediates down regulation of the enzyme 736835 2.7.1.191 up after exposure to organic solvents like 10% (v/v) n-hexane, cyclohexane, p-xylene, or toluene, the expression levels of manX, manY, and manZ genes are strongly upregulated by 13.2, 10, and 7folds, respectively, after 2 min and then decrease after 10 min 735528