Abstract:
The invention provides non-naturally occurring microbial organisms containing butadiene or 2,4- pentadienoate pathways comprising at least one exogenous nucleic acid encoding a butadiene or 2,4-pentadienoate pathway enzyme expressed in a sufficient amount to produce butadiene or 2,4-pentadienoate. The organism can further contain a hydrogen synthesis pathway. The invention additionally provides methods of using such microbial organisms to produce butadiene or 2,4-pentadienoate by culturing a non-naturally occurring microbial organism containing butadiene or 2,4-pentadienoate pathways as described herein under conditions and for a sufficient period of time to produce butadiene or 2,4-pentadienoate. Hydrogen can be produced together with the production of butadiene or 2,4- pentadienoate.
Abstract:
Provided herein is a non-naturally occurring microbial organism having a 1,3-butanediol (1,3 -BDO) pathway and comprising at least one exogenous nucleic acid encoding a 1,3 -BDO pathway enzyme expressed in a sufficient amount to produce 1,3 -BDO. In some embodiments, the pathway includes reducing equivalents from CO or hydrogen. In certain embodiments, a 1,3-BDO pathway proceeds by way of central metabolites pyruvate, succinate or alpha-ketoglutarate. Also provided herein is a method for producing 1,3-BDO, includes culturing such microbial organisms under conditions and for a sufficient period of time to produce 1,3-BDO.
Abstract:
The invention provides a non-naturally occurring microbial organism having a methacrylic acid, methacrylate ester, 3-hydroxyisobutyrate and/or 2-hydroxyisobutyrate pathway. The microbial organism contains at least one exogenous nucleic acid encoding an enzyme in a methacrylic acid pathway. The invention additionally provides a method for producing methacrylic acid, methacrylate ester, 3-hydroxyisobutyrate and/or 2- hydroxyisobutyrate. The method can include culturing methacrylic acid, methacrylate ester, 3-hydroxyisobutyrate and/or 2-hydroxyisobutyrate producing microbial organism, where the microbial organism expresses at least one exogenous nucleic acid encoding a methacrylic acid pathway enzyme in a sufficient amount to produce methacrylic acid, methacrylate ester, 3-hydroxyisobutyrate and/or 2-hydroxyisobutyrate, under conditions and for a sufficient period of time to produce methacrylic acid, methacrylate ester, 3-hydroxyisobutyrate and/or 2-hydroxyisobutyrate.
Abstract:
The invention provides non-naturally occurring microbial organisms having a toluene, benzene, p-toluate, terephthalate, (2-hydroxy-3-methyl-4-oxobutoxy)phosphonate, (2-hydroxy-4-oxobutoxy)phosphonate, benzoate, styrene, 2,4-pentadienoate, 3-butene-lol or 1,3-butadiene pathway. The invention additionally provides methods of using such organisms to produce toluene, benzene, p-toluate, terephthalate, (2-hydroxy-3-methyl-4- oxobutoxy)phosphonate, (2-hydroxy-4-oxobutoxy)phosphonate, benzoate, styrene, 2,4- pentadienoate, 3-butene-lol or 1,3-butadiene.
Abstract:
The invention provides a non-naturally occurring microbial organism having a muconate pathway having at least one exogenous nucleic acid encoding a muconate pathway enzyme expressed in a sufficient amount to produce muconate. The muconate pathway including an enzyme selected from the group consisting of a beta-ketothiolase, a beta-ketoadipyl-CoA hydrolase, a beta-ketoadipyl-CoA transferase, a beta-ketoadipyl-CoA ligase, a 2- fumarylacetate reductase, a 2-fumarylacetate dehydrogenase, a trans -3-hydroxy-4- hexendioate dehydratase, a 2-fumarylacetate aminotransferase, a 2-fumarylacetate aminating oxidoreductase, a trans -3-amino-4-hexenoate deaminase, a beta-ketoadipate enol-lactone hydrolase, a muconolactone isomerase, a muconate cycloisomerase, a beta-ketoadipyl-CoA dehydrogenase, a 3-hydroxyadipyl-CoA dehydratase, a 2,3-dehydroadipyl-CoA transferase, a 2,3-dehydroadipyl-CoA hydrolase, a 2,3-dehydroadipyl-CoA ligase, a muconate reductase, a 2-maleylacetate reductase, a 2-maleylacetate dehydrogenase, a cis -3-hydroxy-4-hexendioate dehydratase, a 2-maleylacetate aminoatransferase, a 2-maleylacetate aminating oxidoreductase, a cis -3-amino-4-hexendioate deaminase, and a muconate cis/trans isomerase. Other muconate pathway enzymes also are provided. Additionally provided are methods of producing muconate.
Abstract:
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.
Abstract:
A non-naturally occurring microbial organism has cyclohexanone pathways that include at least one exogenous nucleic acid encoding a cyclohexanone pathway enzyme. A pathway includes a 2-ketocyclohexane-1 -carboxyl-CoA hydrolase (acting on C-C bond), a 2-ketocyclohexane-l- carboxylate decarboxylase and an enzyme selected from a 2-ketocyclohexane-l-carboxyl-CoA hydrolase (acting on thioester), a 2-ketocyclohexane-l -carboxyl-CoA transferase, and a 2- ketocyclohexane-1-carboxyl-CoA synthetase. A pathway includes an enzyme selected from a 6- ketocyclohex-1-ene-l-carboxyl-CoA hydrolase (acting on C-C bond), a 6-ketocyclohex- 1 -ene- 1 - carboxyl-CoA synthetase, a 6-ketocyclohex-l-ene-l-carboxyl-CoA hydrolase (acting on thioester), a 6-ketocyclohex- 1 -ene- 1 -carboxyl-CoA transferase, a 6-ketocyclohex- 1 -ene- 1 - carboxyl-CoA reductase, a 6-ketocyclohex- 1 -ene- 1 -carboxylate decarboxylase, a 6- ketocyclohex-1 -ene- 1 -carboxylate reductase, a 2-ketocyclohexane-l-carboxyl-CoA synthetase, a 2-ketocyclohexane-l -carboxyl-CoA transferase, a 2-ketocyclohexane-l-carboxyl-CoA hydrolase (acting on thioester), a 2-ketocyclohexane-l -carboxylate decarboxylase, and a cyclohexanone dehydrogenase. A pathway includes an adipate semialdehyde dehydratase, a cyclohexane-1,2- diol dehydrogenase, and a cyclohexane-l,2-diol dehydratase. A pathway includes a 3- oxopimelate decarboxylase, a 4-acetylbutyrate dehydratase, a 3-hydroxycyclohexanone dehydrogenase, a 2-cyclohexenone hydratase, a cyclohexanone dehydrogenase and an enzyme selected from a 3-oxopimeloyl-CoA synthetase, a 3-oxopimeloyl-CoA hydrolase (acting on thioester), and a 3-oxopimeloyl-coA transferase. Each these pathways can include a PEP carboxykinase. A method for producing cyclohexanone includes culturing these non-naturally occurring microbial organisms.
Abstract:
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.
Abstract:
The invention provides a non-naturally occurring microbial organism having n-propanol and isopropanol pathways, 1,4-butanediol (14-BDO) and isopropanol pathways, 1,3-butanediol (13- BDO) and isopropanol pathways or methylacrylic acid (MAA) and isopropanolpathways. The microbial organism contains at least one exogenous nucleic acid encoding an enzyme in each of the respective n-propanol, 14-BDO, 13-BDO or MAA and isopropanol pathways. The invention additionally provides a method for co-producing n-propanol and isopropanol, 14-BDO and isopropanol, 13-BDO and isopropanol or MAA and isopropanol. The method can include culturing an n-propanol and an isopropanol co-producing microbial organism, where the microbial organism expresses at least one exogenous nucleic acid encoding an n-propanol, an isopropanol, a 14-BDO, a 13-BDO and/or a MAA pathway enzyme in a sufficient amount to produce each of the respective products, under conditions and for a sufficient period of time to produce each of the respective products.
Abstract:
The invention provides a non-naturally occurring microbial organism having a 6- aminocaproic acid, caprolactam, hexametheylenediamine or levulinic acid pathway. The microbial organism contains at least one exogenous nucleic acid encoding an enzyme in the respective 6-aminocaproic acid, caprolactam, hexametheylenediamine or levulinic acid pathway. The invention additionally provides a method for producing 6-aminocaproic acid, caprolactam, hexametheylenediamine or levulinic acid. The method can include culturing a 6-aminocaproic acid, caprolactam or hexametheylenediamine producing microbial organism, where the microbial organism expresses at least one exogenous nucleic acid encoding a 6-aminocaproic acid, caprolactam, hexametheylenediamine or levulinic acid pathway enzyme in a sufficient amount to produce the respective product, under conditions and for a sufficient period of time to produce 6-aminocaproic acid, caprolactam, hexametheylenediamine or levulinic acid.