titleOfInvention |
A bacterium belonging to the genus Escherichia and having an ability to produce a 1-amino acid selected from the group consisting of 1-glutamic acid, 1-histidine, 1-proline and 1-threonine, and process for producing a 1-amino acid selected from the group. which consists of 1-glutamic acid, 1-histidine, 1-proline and 1-threonine. |