发明名称 |
GENE EXPRESSION CASSETTE AND TRANSFORMANT, AND PROCESS FOR PRODUCTION OF 2-DEOXY-SCYLLO-INOSOSE AND PROCESS FOR PURIFICATION OF 2-DEOXY-SCYLLO-INOSOSE USING THE TRANSFORMANT |
摘要 |
<p>A transformant is prepared to insert at least a gene expression cassette comprising a gene involved in the synthesis of 2-deoxy- scyllo -inosose into E. coli as host cells. A 2-deoxy- scyllo -inosose is synthesized from D-glucose, oligosaccharide, polysaccharide, starch and rice bran, using the transformant. A culture solution containing the 2-deoxy- scyllo -inosose is treated with a mixed bed or double bed type column comprising a hydrogen form of strong acidic cation exchange resin and an organic ion form of basic anion exchange resin. The 2-deoxy- scyllo -inosose as purified is reacted with trimethoxymethane to convert into 2-deoxy- scyllo -inosose dimethylketal, and the dimethylketal is crystallized and purified. Then, DOI is highly purified through hydrolyzing the dimethylketal in the presence of acid.</p> |
申请公布号 |
EP1865056(A4) |
申请公布日期 |
2008.04.16 |
申请号 |
EP20060729749 |
申请日期 |
2006.03.23 |
申请人 |
NIIGATA BIO-RESEARCH CENTER, INC. |
发明人 |
TAKAKU, HIROAKI;WAKISAKA, NAOKI;HIRAYAMA, MASAO;MIYAZAKI, TATSUO;KOGURE, TAKAHISA;AJISAKA, KATSUMI;TAKAGI, MASAMICHI |
分类号 |
C12N15/00;C07C45/79;C12N1/15;C12N1/19;C12N1/21;C12N9/88;C12N9/90;C12N9/92;C12P7/26 |
主分类号 |
C12N15/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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