发明名称 |
Process for the selective increase of production of antibiotic GE 2270 factor a by adding vitamin B12 to nutrient medium |
摘要 |
A method for increasing both total antibiotic yield the selective production of factor A of the GE 2270 antibiotics consisting in the addition of vitamin B12 or its analogs having vitamin B12-like activity to the fermentation media of Planobispora rosea ATCC 53773 or any antibiotic GE 2270 producing mutant or variant thereof.
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申请公布号 |
US5882900(A) |
申请公布日期 |
1999.03.16 |
申请号 |
US19970940697 |
申请日期 |
1997.09.30 |
申请人 |
GRUPPO LEPETIT S.P.A. |
发明人 |
RIZZO, ANGELO MICHELE;GASTALDO, LUCIANO |
分类号 |
C07K5/078;C12P21/04;(IPC1-7):C12P21/04;A61K38/00 |
主分类号 |
C07K5/078 |
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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