摘要:
The invention provides non-naturally occurring microbial organisms comprising a 1,4-butanediol (BDO), 4-hydroxybutyryl-CoA, 4-hydroxybutanal or putrescine pathway comprising at least one exogenous nucleic acid encoding a BDO, 4-hydroxybutyryl-CoA, 4-hydroxybutanal or putrescine pathway enzyme expressed in a sufficient amount to produce BDO, 4-hydroxybutyryl-CoA, 4-hydroxybutanal or putrescine and further optimized for expression of BDO. The invention additionally provides methods of using such microbial organisms to produce BDO, 4-hydroxybutyryl-CoA, 4-hydroxybutanal or putrescine.
摘要:
The invention provides non-naturally occurring microbial organisms comprising a 1,4-butanediol (BDO), 4-hydroxybutyryl-CoA, 4-hydroxybutanal or putrescine pathway comprising at least one exogenous nucleic acid encoding a BDO, 4-hydroxybutyryl-CoA, 4-hydroxybutanal or putrescine pathway enzyme expressed in a sufficient amount to produce BDO, 4-hydroxybutyryl-CoA, 4-hydroxybutanal or putrescine and further optimized for expression of BDO. The invention additionally provides methods of using such microbial organisms to produce BDO, 4-hydroxybutyryl-CoA, 4-hydroxybutanal or putrescine.
摘要:
The invention provides non-naturally occurring microbial organisms comprising a 1,4-butanediol (BDO) pathway comprising at least one exogenous nucleic acid encoding a BDO pathway enzyme expressed in a sufficient amount to produce BDO and further optimized for expression of BDO. The invention additionally provides methods of using such microbial organisms to produce BDO.
摘要:
The invention provides a non-naturally occurring microbial organism having 4-hydroxybutanoic acid (4-HB) and 1,4-butanediol (1,4-BDO) biosynthetic pathways. The pathways include exogenous nucleic acids encoding a) an α-ketoglutarate decarboxylase; b) a 4-hydroxybutanoate dehydrogenase; c) a 4-hydroxybutyryl-CoA:acetyl-CoA transferase or a butyrate kinase and a phosphotransbutyrylase; d) an aldehyde dehydrogenase, and e) an alcohol dehydrogenase, wherein the exogenous nucleic acids are expressed in sufficient amounts to produce 1,4-butanediol (1,4-BDO). Also provide is a method for the production of 1,4-BDO. The method includes culturing the non-naturally occurring microbial organism having 4-HB and 1,4-BDO biosynthetic pathways substantially anaerobic conditions for a sufficient period of time to produce 1,4-BDO.
摘要:
The invention provides a non-naturally occurring microbial organism having 4-hydroxybutanoic acid (4-HB) and 1,4-butanediol (1,4-BDO) biosynthetic pathways. The pathways include exogenous nucleic acids encoding a) an α-ketoglutarate decarboxylase; b) a 4-hydroxybutanoate dehydrogenase; c) a 4-hydroxybutyryl-CoA:acetyl-CoA transferase or a butyrate kinase and a phosphotransbutyrylase; d) an aldehyde dehydrogenase, and e) an alcohol dehydrogenase, wherein the exogenous nucleic acids are expressed in sufficient amounts to produce 1,4-butanediol (1,4-BDO). Also provide is a method for the production of 1,4-BDO. The method includes culturing the non-naturally occurring microbial organism having 4-HB and 1,4-BDO biosynthetic pathways substantially anaerobic conditions for a sufficient period of time to produce 1,4-BDO.
摘要:
The invention provides non-naturally occurring microbial organisms comprising 1,4-butanediol (14-BDO) and gamma-butyrolactone (GBL) pathways comprising at least one exogenous nucleic acid encoding a 14-BDO and GBL pathway enzyme expressed in a sufficient amount to produce 14-BDO and GBL. The invention additionally provides methods of using such microbial organisms to produce 14-BDO and GBL.
摘要:
The invention provides non-naturally occurring microbial organisms comprising 1,4-butanediol (14-BDO) and gamma-butyrolactone (GBL) pathways comprising at least one exogenous nucleic acid encoding a 14-BDO and GBL pathway enzyme expressed in a sufficient amount to produce 14-BDO and GBL. The invention additionally provides methods of using such microbial organisms to produce 14-BDO and GBL.
摘要:
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.
摘要:
The invention provides non-naturally occurring microbial organisms comprising a 1,4-butanediol (BDO), 4-hydroxybutyryl-CoA, 4-hydroxybutanal or putrescine pathway comprising at least one exogenous nucleic acid encoding a BDO, 4-hydroxybutyryl-CoA, 4-hydroxybutanal or putrescine pathway enzyme expressed in a sufficient amount to produce BDO, 4-hydroxybutyryl-CoA, 4-hydroxybutanal or putrescine and further optimized for expression of BDO. The invention additionally provides methods of using such microbial organisms to produce BDO, 4-hydroxybutyryl-CoA, 4-hydroxybutanal or putrescine.
摘要:
Improved enzyme systems, recombinant cells, and processes employing the same to produce biosynthetic D-1,2,4-butanetriol; D-1,2,4-butanetriol prepared thereby and derivatives thereof; D-1,2,4-butanetriol trinitrate prepared therefrom; and enzymes and genes useful in the enzyme systems and recombinant cells.