| abstract |
PCT No. PCT/JP96/01944 Sec. 371 Date Feb. 20, 1998 Sec. 102(e) Date Feb. 20, 1998 PCT Filed Jul. 12, 1996 PCT Pub. No. WO97/08294 PCT Pub. Date Mar. 6, 1997An isolated mutant microorganism which belongs to the genus Escherichia, which exhibits valine sensitivity which is indicated by failure to grow in an M9 minimum growth medium containing 50 mg/liter of valine, and which has amplified citrate synthase activity and phosphoenolpyruvate carboxylase activity and which has L-glutamic acid-productivity. |