发明名称 |
Heparosan-Producing Bacterium and Heparosan Manufacturing Method |
摘要 |
A method for producing heparosan is provided. Heparosan is produced by culturing an Escherichia bacterium having a heparosan-producing ability and modified so that expression of one or more genes, such as rbsR, rbsK, rbsB, hsrA, glgB, glgX, micF, rcsD, rcsB, ybiX, ybiI, ybiJ, ybiC, ybiB, rfaH, nusG, pcoR, pcoS, pcoE, yhcN, yhcO, aaeB, aaeA, aaeX, g1455, alpA, g1453, yrbA, mlaB, mlaC, mlaD, mlaE, mlaF, yrbG, norW, ybjI, ybjJ, ybjK, rybB, yjjY, yjtD, thrL, thrA, thrB, fruA, psuK, ytfT, yjfF, fbp, yagU, paoA, paoB, gsiC, gsiD, yliE, irp2, irp1, bhsA, ycfS, lepB, rnc, era, dapA, gcvR, bcp, hyfA, rpoE, nadB, yfiC, srmB, g1414, g1413, nuoE, nuoF, nuoG, glmZ, hemY, hemX, hemD, rlmL, artQ, artM, artJ, rlmC, ybjO, yejO, yejM, yejL, rpoS, ygbN, ygbM, ygbL, g3798, g3797, g3796, g3795, g3794, g3793, g3792, ryjA, soxR, soxS, yjcC, yjcB, efeU, and efeO, is/are increased in a medium, and collecting heparosan from the medium. |
申请公布号 |
US2016201103(A1) |
申请公布日期 |
2016.07.14 |
申请号 |
US201615082464 |
申请日期 |
2016.03.28 |
申请人 |
AJINOMOTO CO., INC. |
发明人 |
Yamazaki Shunsuke;Shimizu Tomoko;Mori Kenichi;Tonouchi Naoto |
分类号 |
C12P19/04;C12N15/70 |
主分类号 |
C12P19/04 |
代理机构 |
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代理人 |
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主权项 |
1. An Escherichia bacterium having a heparosan-producing ability, wherein:
the bacterium has been modified so that expression is increased of a gene selected from the group consisting of rpoE, rbsR, rbsK, rbsB, hsrA, glgB, glgX, micF, rcsD, rcsB, ybiX, ybiI, ybiJ, ybiC, ybiB, rfaH, nusG, pcoR, pcoS, pcoE, yhcN, yhcO, aaeB, aaeA, aaeX, g1455, alpA, g1453, yrbA, mlaB, mlaC, mlaD, mlaE, mlaF, yrbG, norW, ybjI, ybjJ, ybjK, rybB, yjjY, yjtD, thrL, thrA, thrB, fruA, psuK, ytfT, yjfF, fbp, yagU, paoA, paoB, gsiC, gsiD, yliE, irp2, irp1, bhsA, ycfS, lepB, rnc, era, dapA, gcvR, bcp, hyfA, nadB, yfiC, srmB, g1414, g1413, nuoE, nuoF, nuoG, glmZ, hemY, hemX, hemD, rlmL, artQ, artM, artJ, rlmC, ybjO, yejO, yejM, yejL, rpoS, ygbN, ygbM, ygbL, g3798, g3797, g3796, g3795, g3794, g3793, g3792, ryjA, soxR, soxS, yjcC, yjcB, efeU, efeO, and combinations thereof. |
地址 |
Tokyo JP |