COMPOSITIONS AND METHODS FOR THE BIOSYNTHESIS OF 1,4-BUTANEDIOL AND ITS PRECURSORS
    3.
    发明申请
    COMPOSITIONS AND METHODS FOR THE BIOSYNTHESIS OF 1,4-BUTANEDIOL AND ITS PRECURSORS 审中-公开
    1,4-丁二醇及其前体的生物合成的组合物和方法

    公开(公告)号:US20150368676A1

    公开(公告)日:2015-12-24

    申请号:US14603174

    申请日:2015-01-22

    Abstract: The invention provides a non-naturally occurring microbial biocatalyst including a microbial organism having a 4-hydroxybutanoic acid (4-HB) biosynthetic pathway having at least one exogenous nucleic acid encoding 4-hydroxybutanoate dehydrogenase, succinyl-CoA synthetase, CoA-dependent succinic semialdehyde dehydrogenase, or α-ketoglutarate decarboxylase, wherein the exogenous nucleic acid is expressed in sufficient amounts to produce monomeric 4-hydroxybutanoic acid (4-HB). Also provided is a non-naturally occurring microbial biocatalyst including a microbial organism having 4-hydroxybutanoic acid (4-HB) and 1,4-butanediol (BDO) biosynthetic pathways, the pathways include at least one exogenous nucleic acid encoding 4-hydroxybutanoate dehydrogenase, succinyl-CoA synthetase, CoA-dependent succinic semialdehyde dehydrogenase, 4-hydroxybutyrate:CoA transferase, 4-butyrate kinase, phosphotransbutyrylase, α-ketoglutarate decarboxylase, aldehyde dehydrogenase, alcohol dehydrogenase or an aldehyde/alcohol dehydrogenase, wherein the exogenous nucleic acid is expressed in sufficient amounts to produce 1,4-butanediol (BDO). Additionally provided are methods for the production of 4-HB and BDO.

    Abstract translation: 本发明提供了一种非天然存在的微生物生物催化剂,其包括具有4-羟基丁酸(4-HB)生物合成途径的微生物生物,其具有至少一种编码4-羟基丁酸脱氢酶的外源核酸,琥珀酰辅酶A合成酶,CoA依赖性琥珀酸半醛 脱氢酶或α-酮戊二酸脱羧酶,其中外源核酸以足够的量表达以产生单体4-羟基丁酸(4-HB)。 还提供了非天然存在的微生物生物催化剂,其包括具有4-羟基丁酸(4-HB)和1,4-丁二醇(BDO)生物合成途径的微生物生物,该途径包括至少一种编码4-羟基丁酸脱氢酶的外源核酸 ,琥珀酰辅酶A合成酶,CoA依赖性琥珀酸半醛脱氢酶,4-羟基丁酸酯:CoA转移酶,4-丁酸酯激酶,磷酸转移酶,α-酮戊二酸脱羧酶,醛脱氢酶,醇脱氢酶或醛/醇脱氢酶,其中外源核酸为 以足够的量表示产生1,4-丁二醇(BDO)。 另外提供了用于生产4-HB和BDO的方法。

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