| abstract |
A strain of Escherichia sp., Capable of producing O-acetyl homoserine in high yield, with overexpression of genes encoding homoserine acetyl transferase, aspartokinase, homoserine dehydrogenase, phosphoenolpyruvate carboxylase, aspartate aminotransferase, and aspartate semyaldehyde dehydrogenase the one in which the Escherichia sp. strain is further characterized by the deletion of metB, thrB, metJ and metA genes. |