Impacts of proline on the central metabolism of an industrial erythromycin-producing strain Saccharopolyspora erythraea via 13C labeling experiments
Keywords: FL, fractional labeling; EMP, Embden-Meyerhof-Parnas; ED, Entner-Doudoroff; PP, pentose phosphate; TCA, tricarboxylic acid cycle; MFA, metabolic flux analysis; SSR, sum of the squared residuals; GAP, glyceraldehyde-3-phosphate; G6P, glucose 6- phosphate;