Patent ID: 7160711
Filing Date: 2007-01-09
Classification: C12N,C12P,C12R

Abstract:
1. A coryneform bacterium comprising two or more copies of a coryneform gene selected from the group consisting of accBC, accDA, cstA, cysD, cysE, cysH, cysK, cysN, cysQ, dapB, dapC, dapD, dapE, dapF, ddh, dps, eno, gap, gap2, gdh, gnd, lysC, lysC FBR , lysE, msiK, opcA, oxyR, ppc, ppc FBR , pgk, pknA, pknB, pknD, pknG, ppsA, ptsH, ptsI, ptsM, pyc, pyc P458S, sigC, sigD, sigE, sigH, sigM, tal, thyA, tkt, tpi, zwa1, zwf and zwf A213T within the bacterium's chromosome, wherein said coryneform gene contains no nucleotide sequence encoding antibiotic resistance, wherein said coryneform bacterium produces enhanced levels of L-amino acid over a coryneform bacterium having one copy of said coryneform gene.