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Title:
HEPAROSAN-PRODUCING BACTERIUM AND HEPAROSAN MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2015/050184
Kind Code:
A1
Abstract:
Provided is a heparosan manufacturing method. Heparosan is manufactured by culturing in a medium an Escherichia sp. bacterium with heparosan-producing ability, the bacterium having been modified so that expression of one or more genes selected from a group consisting of 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 genes is increased, and collecting the heparosan from said medium.

Inventors:
YAMAZAKI SHUNSUKE (JP)
SHIMIZU TOMOKO (JP)
MORI KENICHI (JP)
TONOUCHI NAOTO (JP)
Application Number:
PCT/JP2014/076357
Publication Date:
April 09, 2015
Filing Date:
October 02, 2014
Export Citation:
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Assignee:
AJINOMOTO KK (JP)
International Classes:
C12N1/21; C12N15/09; C12P19/04
Domestic Patent References:
WO2010136435A12010-12-02
WO2009014559A22009-01-29
WO2000018935A12000-04-06
WO2010027045A12010-03-11
WO2005010175A12005-02-03
WO2010027022A12010-03-11
Foreign References:
US20110111458A12011-05-12
JP2013503606A2013-02-04
JPH02109985A1990-04-23
US5882888A1999-03-16
EP0805867B12003-12-17
RU2006134574A2008-04-10
JPH02207791A1990-08-17
US20050196846A12005-09-08
JP2008099668A2008-05-01
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KAWAGUCHI, Yoshiyuki et al. (JP)
Yoshiyuki Kawaguchi (JP)
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