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一种工程菌及其在生产中长链3-羟基脂肪酸中的应用

申请公布号:CN102952774B

申请号:CN201210422901.0

申请日期:2012.10.30

申请公布日期:2015.09.30

申请人:
清华大学

发明人:陈国强;郑美;曾国栋

分类号:C12N1/21(2006.01)I;C12P7/42(2006.01)I;C12R1/38(2006.01)N

主分类号:C12N1/21(2006.01)I

代理机构:
北京纪凯知识产权代理有限公司 11245

代理人:关畅

地址:100084 北京市100084信箱82分箱清华大学专利办公室

摘要:本发明公开了一种工程菌及其在生产中长链3-羟基脂肪酸中的应用。本发明提供的工程菌,是将出发菌进行如下(a)和(b)的改造得到的重组菌:(a)灭活PHA合成酶基因;(b)导入硫酯酶基因;所述出发菌为产聚羟基脂肪酸酯的细菌。利用本发明提供的工程菌以某一中长链脂肪酸为单一碳源时,发酵液中可得到高产量、高纯度的、与提供脂肪酸碳源的结构高度一致的3-羟基脂肪酸产物。本发明的方法可用于高产量、高纯度的3-羟基脂肪酸的生产,应用前景广阔。

主权项:一种工程菌,是将出发菌进行如下(a)和(b)的改造得到的重组菌:(a)灭活PHA合成酶基因;(b)导入硫酯酶基因;所述出发菌为嗜虫假单胞菌(Pseudomonas entomophila)LAC25。

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