Abstract:
A non-naturally occurring microbial organism has at least one exogenous nucleic acid encoding a MEK pathway enzyme expressed in a sufficient amount to produce MEK. The MEK pathway includes an enzyme selected from an acetoacetyl-CoA dehydrogenase (bifunctional), an acetoacetyl-CoA aldehyde dehydrogenase, a 3-oxobutyraldehyde reductase, a 3-oxobutanol dehydratase, an MEK oxidoreductase, a 3-oxobutyraldehyde aminotransferase, a 4-aminobutan-2-one deaminase, a 2-amino-4-ketopentanoate (AKP) thiolase, an AKP aminotransferase, a 2,4-dioxopentanoate decarboxylase, an AKP deaminase, an acetylacrylate decarboxylase, an AKP decarboxylase, a glutamate dehydrogenase, a 3-oxobutyraldehyde oxidoreductase (aminating) and an AKP oxidoreductase (aminating). A 2-butanol pathway further includes an MEK reductase. A method for producing MEK or 2-butanol includes culturing these organisms under conditions and for a sufficient period of time to produce MEK or 2-butanol.
Abstract:
A non-naturally occurring microbial organism includes a microbial organism having a 1,3-butanediol (1,3-BDO) pathway having at least one exogenous nucleic acid encoding a 1,3- BDO pathway enzyme expressed in a sufficient amount to produce 1,3-BDO. The pathway includes an enzyme selected from a 2-amino-4-ketopentanoate (AKP) thiolase, an AKP dehydrogenase, a 2-amino-4-hydroxypentanoate aminotransferase, a 2-amino-4- hydroxypentanoate oxidoreductase (deaminating), a 2-oxo-4-hydroxypentanoate decarboxylase, a 3-hydroxybutyraldehyde reductase, an AKP aminotransferase, an AKP oxidoreductase (deaminating), a 2,4-dioxopentanoate decarboxylase, a 3-oxobutyraldehyde reductase (ketone reducing), a 3-oxobutyraldehyde reductase (aldehyde reducing), a 4-hydroxy-2-butanone reductase, an AKP decarboxylase, a 4-aminobutan-2-one aminotransferase, a 4-aminobutan-2- one oxidoreductase (deaminating), a 4-aminobutan-2-one ammonia-lyase, a butenone hydratase, an AKP ammonia-lyase, an acetylacrylate decarboxylase, an acetoacetyl-CoA reductase (CoA- dependent, aldehyde forming), an acetoacetyl-CoA reductase (CoA-dependent, alcohol forming), an acetoacetyl-CoA reductase (ketone reducing), a 3-hydroxybutyryl-CoA reductase (aldehyde forming), a 3-hydroxybutyryl-CoA reductase (alcohol forming), a 4-hydroxybutyryl- CoA dehydratase, and a crotonase. 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 non-naturally occurring microbial organisms containing enzymatic pathways and/or metabolic modifications for enhancing carbon flux through acetyl-CoA. In some embodiments, the microbial organisms having such pathways also include pathways for generating reducing equivalents, formaldehyde fixation and/or formate assimilation. The enhanced carbon flux through acetyl-CoA, in combination with pathways for generating reducing equivalents, formaldehyde fixation and/or formate assimilation can, in some embodiments, be used for production of a bioderived compound. Accordingly, in some embodiments, the microbial organisms of the invention can include a pathway capable of producing a bioderived compound of the invention. The invention still further provides a bioderived compound produced by a microbial organism of the invention, culture medium having the bioderived compound of the invention, compositions having the bioderived compound of the invention, a biobased product comprising the bioderived compound of the invention, and a process for producing a bioderived compound of the invention.
Abstract:
Provided herein are non-naturally occurring microbial organisms having a FaldFP, a FAP and/or metabolic modifications which can further include a MMP, a MOP, a hydrogenase and/or a CODH. These microbial organisms can further include a butadiene, 13BDO, CrotOH, MVC or 3-buten-1-ol pathway. Additionally provided are methods of using such microbial organisms to produce butadiene, 13BDO, CrotOH, MVC or 3-buten-1-ol.
Abstract:
In alternative embodiments, the invention provides compositions and methods for the detection of organisms having butadiene biosynthetic capability. In alternative embodiments, the invention provides high-throughput detection methods of products of biosynthetic processes, more specifically to detection of organisms having or having improved butadiene biosynthetic capability. In alternative embodiments, the invention provides compositions and methods for screening or assaying a population of cells for: the production of a butadiene; or, for the rate of production of a butadiene; or, for the improved production of a butadiene.
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 adipate, 6-aminocaproate, hexamethylenediamine or caprolactam. Also provided herein are methods for using such an organism to produce adipate, 6-aminocaproate, hexamethylenediamine or caprolactam.
Abstract:
The invention provides non-naturally occurring microbial organisms containing caprolactone pathways having at least one exogenous nucleic acid encoding a butadiene pathway enzyme expressed in a sufficient amount to produce caprolactone. The invention additionally provides methods of using such microbial organisms to produce caprolactone by culturing a non-naturally occurring microbial organism containing caprolactone pathways as described herein under conditions and for a sufficient period of time to produce caprolactone.
Abstract:
Provided herein are non-naturally occurring eukaryotic organisms that can be engineered to produce and increase the availability of cytosolic acetyl-CoA. Also provided herein are non-naturally occurring eukaryotic organisms having a 1,3-butanediol (1,3-BDO) pathway, and methods of using such organisms to produce 1,3-BDO.
Abstract:
The invention provides non-naturally occurring microbial organisms containing 2,4-pentadienoate, butadiene, propylene, 1,3-butanediol, crotyl alcohol or 3-buten-1-ol pathways comprising at least one exogenous nucleic acid encoding a butadiene pathway enzyme expressed in a sufficient amount to produce 2,4-pentadienoate, butadiene, propylene, 1,3-butanediol, crotyl alcohol or 3-buten-1-ol. The invention additionally provides methods of using such microbial organisms to produce 2,4-pentadienoate, butadiene, propylene, 1,3-butanediol, crotyl alcohol or 3-buten-1-ol, by culturing a non- naturally occurring microbial organism containing 2,4-pentadienoate, butadiene, propylene, 1,3-butanediol, crotyl alcohol or 3-buten-l-ol pathways as described herein under conditions and for a sufficient period of time to produce 2,4-pentadienoate, butadiene, propylene, 1,3-butanediol, crotyl alcohol or 3-buten-1-ol.
Abstract:
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.