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.
Abstract:
Provided herein is a non-naturally occurring microbial organism having a methanol metabolic pathway that can enhance the availability of reducing equivalents in the presence of methanol. Such reducing equivalents can be used to increase the product yield of organic compounds produced by the microbial organism, such as 1,2-propanediol, n-propanol, 1,3-propanediol or glycerol. Also provided herein are methods for using such an organism to produce 1,2-propanediol, n-propanol, 1,3-propanediol or glycerol.
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 having a (2-hydroxy-3-methyl-4-oxobutoxy) phosphonate (2H3M40P) pathway, p-toluate pathway, and/or terephthalate pathway. The invention additionally provides methods of using such organisms to produce 2H3M40P, p-toluate or terephthalate. Also provided herein are processes for isolating bio-based aromatic carboxylic acid, in particular, p-toluic acid or terephthalic acid, from a culture medium, wherein the processes involve contacting the culture medium with sufficient carbon dioxide (CO2) to lower the pH of the culture medium to produce a precipitate comprised of the aromatic carboxylic acid.
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 a non-naturally occurring microbial organism having a 2-hydroxyisobutyric acid, 3-hydroxyisobutyric acid or methacrylic acid pathway. The microbial organism contains at least one exogenous nucleic acid encoding an enzyme in a 2-hydroxyisobutyric acid, 3-hydroxyisobutyric acid or methacrylic acid pathway. The invention additionally provides a method for producing 2-hydroxyisobutyric acid, 3-hydroxyisobutyric acid or methacrylic acid. The method can include culturing a 2-hydroxyisobutyric acid, 3-hydroxyisobutyric acid or methacrylic acid producing microbial organism expressing at least one exogenous nucleic acid encoding a 2-hydroxyisobutyric acid, 3-hydroxyisobutyric acid or methacrylic acid pathway enzyme in a sufficient amount and culturing under conditions and for a sufficient period of time to produce 2-hydroxyisobutyric acid, 3-hydroxyisobutyric acid or methacrylic acid.
Abstract:
Provided herein is a non-naturally occurring microbial organism having a methanol metabolic pathway that can enhance the availability of reducing equivalents in the presence of methanol. Such reducing equivalents can be used to increase the product yield of organic compounds produced by the microbial organism, such as succinate. Also provided herein are methods for using such an organism to produce succinate.
Abstract:
The invention provides non-naturally occurring microbial organisms having a (2-hydroxy-3-methyl-4-oxobutoxy)phosphonate pathway, p-toluate pathway, and/or terephthalate pathway. The invention additionally provides methods of using such organisms to produce (2-hydroxy-3-methyl-4-oxobutoxy)phosphonate pathway, p-toluate pathway or terephthalate pathway.
Abstract:
Provided herein is a non-naturally occurring microbial organism having a methanol metabolic pathway that can enhance the availability of reducing equivalents in the presence of methanol. Such reducing equivalents can be used to increase the product yield of organic compounds produced by the microbial organism, such as 3-hydroxyisobutyrate or MAA. Also provided herein are methods for using such an organism to produce 3-hydroxyisobutyrate or MAA.
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-1-carboxylate decarboxylase and an enzyme selected from a 2-ketocyclohexane-1-carboxyl-CoA hydrolase (acting on thioester), a 2-ketocyclohexane-1-carboxyl-CoA transferase, and a 2-ketocyclohexane-1-carboxyl-CoA synthetase. A pathway includes an enzyme selected from a 6-ketocyclohex-1-ene-1-carboxyl-CoA hydrolase (acting on C—C bond), a 6-ketocyclohex-1-ene-1-carboxyl-CoA synthetase, a 6-ketocyclohex-1-ene-1-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-1-carboxyl-CoA synthetase, a 2-ketocyclohexane-1-carboxyl-CoA transferase, a 2-ketocyclohexane-1-carboxyl-CoA hydrolase (acting on thioester), a 2-ketocyclohexane-1-carboxylate decarboxylase, and a cyclohexanone dehydrogenase. A pathway includes an adipate semialdehyde dehydratase, a cyclohexane-1,2-diol dehydrogenase, and a cyclohexane-1,2-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.