metabolic pathway design for the recombinant production of 5-aminovalerate and glutarate in Corynebacterium glutamicum starting from the pathway precursor L-lysine and involving 5-aminovaleramide amidase, overview
metabolic pathway design for the recombinant production of 5-aminovalerate and glutarate in Corynebacterium glutamicum starting from the pathway precursor L-lysine and involving 5-aminovaleramide amidase, overview
combined expression of Pseudomonas putida davB and davA genes encoding lysine 2-monooxygenase and delta-aminovaleramidase, respectively, in engineered Corynebacterium glutamicum strain BE (KCTC 12390BP) for large scale production of 5-aminovalerate (5AVA) under the control of constitutive promoters. Expression of codon-optimized N-terminally His6-tagged davA gene fused the davB gene as an operon under a strong synthetic H36 promoter from plasmid p36davAB3 in Corynebacterium glutamicum in fed-batch culture enables the most efficient production of 5AVA. In addition, production of glutaric acid, a major byproduct, is significantly reduced by employing Corynebacterium glutamicum gabT mutant as a host. Method development and optimization, overview
combined expression of Pseudomonas putida davB and davA genes encoding lysine 2-monooxygenase and delta-aminovaleramidase, respectively, in engineered Corynebacterium glutamicum strain BE (KCTC 12390BP) for large scale production of 5-aminovalerate (5AVA) under the control of constitutive promoters. Expression of codon-optimized N-terminally His6-tagged davA gene fused the davB gene as an operon under a strong synthetic H36 promoter from plasmid p36davAB3 in Corynebacterium glutamicum in fed-batch culture enables the most efficient production of 5AVA. In addition, production of glutaric acid, a major byproduct, is significantly reduced by employing Corynebacterium glutamicum gabT mutant as a host. Method development and optimization, overview
Corynebacterium glutamicum KCTC 1857, which naturally producs high amounts of L-lysine, a direct precursor for the production of cadaverine, 5-AVA, and glutaric acid, is metabolically engineered for the production of glutaric acid, a C5 dicarboxylic acid that can be used as platform building block chemical for nylons and plasticizers. Corynebacterium glutamicum gabT and gabD genes and Pseudomonas putida davT and davD genes encoding 5-aminovalerate transaminase and glutarate semialdehyde dehydrogenase, respectively, are examined in Corynebacterium glutamicum for the construction of a glutaric acid biosynthesis pathway along with Pseudomonas putida davB and davA genes encoding lysine 2-monooxygenase and delta-aminovaleramidase, respectively. Evaluation of strong synthetic promoters PH30 and PH36, usage of Corynebacterium glutamicum codon-optimized davTDBA genes, and modification of davB gene with an N-terminal His6-tag are established to improve the production of glutaric acid. N-terminal His6-tagged DavB is most suitable for the production of glutaric acid from glucose. Fed-batch fermentation using the final engineered Corynebacterium glutamicum H30_GAHis strain, expressing davTDA genes along with N-terminally His6-tagged davB produce 24.5 g/l of glutaric acid with low accumulation of L-lysine (1.7 g/l), wherein 5-AVA accumulation is not observed during fermentation
Corynebacterium glutamicum KCTC 1857, which naturally producs high amounts of L-lysine, a direct precursor for the production of cadaverine, 5-AVA, and glutaric acid, is metabolically engineered for the production of glutaric acid, a C5 dicarboxylic acid that can be used as platform building block chemical for nylons and plasticizers. Corynebacterium glutamicum gabT and gabD genes and Pseudomonas putida davT and davD genes encoding 5-aminovalerate transaminase and glutarate semialdehyde dehydrogenase, respectively, are examined in Corynebacterium glutamicum for the construction of a glutaric acid biosynthesis pathway along with Pseudomonas putida davB and davA genes encoding lysine 2-monooxygenase and delta-aminovaleramidase, respectively. Evaluation of strong synthetic promoters PH30 and PH36, usage of Corynebacterium glutamicum codon-optimized davTDBA genes, and modification of davB gene with an N-terminal His6-tag are established to improve the production of glutaric acid. N-terminal His6-tagged DavB is most suitable for the production of glutaric acid from glucose. Fed-batch fermentation using the final engineered Corynebacterium glutamicum H30_GAHis strain, expressing davTDA genes along with N-terminally His6-tagged davB produce 24.5 g/l of glutaric acid with low accumulation of L-lysine (1.7 g/l), wherein 5-AVA accumulation is not observed during fermentation
lysine 2-monooxygenase (DavB) and delta-aminovaleramidase (DavA) are co-expressed in Escherichia coli BL21(DE3) to produce nylon-5 monomer 5-aminovalerate from L-lysine. Then, PP2911 (4-aminobutyrate transporter in Pseudomonas putida) and LysP (the lysine specific permease in Escherichia coli) are overexpressed to promote 5-aminovalerate production using whole cells of recombinant Escherichia coli, strain optimization for large scale production, overview. Overexpression of transport proteins improves the production of 5-aminovalerate from L-lysine in Escherichia coli. The optimum catalytic conditions are determined to be reaction temperature 30°C, substrate concentration 40 g/l, and biocatalyst concentration 60 OD600nm
systems metabolic engineering of Corynebacterium glutamicum for construction of a recombinant microbial cell factory for the production of the carbon-5 platform chemicals 5-aminovalerate and glutarate, method development on basis of the lysine-hyperproducing strain Corynebacterium glutamicum LYS-12 and optimization, detailed overview. Related to the presence of endogenous genes coding for 5-aminovalerate transaminase (gabT) and glutarate semialdehyde dehydrogenase, 5-aminovalerate is partially converted to glutarate. Moreover, residual l-lysine is secreted as by-product. The issue of by-product formation is then addressed by deletion of the lysE gene, encoding the l-lysine exporter. Additionally, a putative gabT gene is deleted to enhance 5-aminovalerate production. Fed-batch fermentation. Method optimization, overview. Production of 28 g/l of 5-aminovalerate with a maximal space to time yield of 0.9 g/l per h from engineered AVA-3 strain
systems metabolic engineering of Corynebacterium glutamicum for construction of a recombinant microbial cell factory for the production of the carbon-5 platform chemicals 5-aminovalerate and glutarate, method development on basis of the lysine-hyperproducing strain Corynebacterium glutamicum LYS-12 and optimization, detailed overview. Related to the presence of endogenous genes coding for 5-aminovalerate transaminase (gabT) and glutarate semialdehyde dehydrogenase, 5-aminovalerate is partially converted to glutarate. Moreover, residual l-lysine is secreted as by-product. The issue of by-product formation is then addressed by deletion of the lysE gene, encoding the l-lysine exporter. Additionally, a putative gabT gene is deleted to enhance 5-aminovalerate production. Fed-batch fermentation. Method optimization, overview. Production of 28 g/l of 5-aminovalerate with a maximal space to time yield of 0.9 g/l per h from engineered AVA-3 strain
systems metabolic engineering of Corynebacterium glutamicum for construction of a recombinant microbial cell factory for the production of the carbon-5 platform chemicals 5-aminovalerate and glutarate, method development on basis of the lysine-hyperproducing strain Corynebacterium glutamicum LYS-12 and optimization, detailed overview. Related to the presence of endogenous genes coding for 5-aminovalerate transaminase (gabT) and glutarate semialdehyde dehydrogenase, 5-aminovalerate is partially converted to glutarate. Moreover, residual l-lysine is secreted as by-product. The issue of by-product formation is then addressed by deletion of the lysE gene, encoding the l-lysine exporter. Additionally, a putative gabT gene is deleted to enhance 5-aminovalerate production. Fed-batch fermentation. Method optimization, overview. Production of 28 g/l of 5-aminovalerate with a maximal space to time yield of 0.9 g/l per h from engineered AVA-3 strain
combined expression of Pseudomonas putida davB and davA genes encoding lysine 2-monooxygenase and delta-aminovaleramidase, respectively, in engineered Corynebacterium glutamicum strain BE (KCTC 12390BP) for large scale production of 5-aminovalerate (5AVA) under the control of constitutive promoters. Expression of codon-optimized N-terminally His6-tagged davA gene fused the davB gene as an operon under a strong synthetic H36 promoter from plasmid p36davAB3 in Corynebacterium glutamicum in fed-batch culture enables the most efficient production of 5AVA. In addition, production of glutaric acid, a major byproduct, is significantly reduced by employing Corynebacterium glutamicum gabT mutant as a host. Method development and optimization, overview
Corynebacterium glutamicum KCTC 1857, which naturally producs high amounts of L-lysine, a direct precursor for the production of cadaverine, 5-AVA, and glutaric acid, is metabolically engineered for the production of glutaric acid, a C5 dicarboxylic acid that can be used as platform building block chemical for nylons and plasticizers. Corynebacterium glutamicum gabT and gabD genes and Pseudomonas putida davT and davD genes encoding 5-aminovalerate transaminase and glutarate semialdehyde dehydrogenase, respectively, are examined in Corynebacterium glutamicum for the construction of a glutaric acid biosynthesis pathway along with Pseudomonas putida davB and davA genes encoding lysine 2-monooxygenase and delta-aminovaleramidase, respectively. Evaluation of strong synthetic promoters PH30 and PH36, usage of Corynebacterium glutamicum codon-optimized davTDBA genes, and modification of davB gene with an N-terminal His6-tag are established to improve the production of glutaric acid. N-terminal His6-tagged DavB is most suitable for the production of glutaric acid from glucose. Fed-batch fermentation using the final engineered Corynebacterium glutamicum H30_GAHis strain, expressing davTDA genes along with N-terminally His6-tagged davB produce 24.5 g/l of glutaric acid with low accumulation of L-lysine (1.7 g/l), wherein 5-AVA accumulation is not observed during fermentation
Please wait a moment until the data is sorted. This message will disappear when the data is sorted.
CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
2-monooxygenase (DavB) and delta-aminovaleramidase (DavA) are coexpressed in Escherichia coli BL21(DE3) to produce nylon-5 monomer 5-aminovalerate from L-lysine
gene davA, coexpression with Pseudomonas putida genes davB, davT, and davD in Corynebacterium glutamicum engineered strain H30_GAHis under control of strong synthetic promoters PH30 and PH36, fed-batch fermentation
gene davA, functional recombinant expression in Escherichia coli strains WL3110 and XQ56 from vector pKE112-MCS, co-expression with gene davB from Pseudomnas putida, encoding lysine 2-monooxygenase, as well as with gabTD genes encoding 5AVA aminotransferase and glutarate semialdehyde dehydrogenase, addition of L-lysine and 2-oxoglutarate results in synthesis of 5-aminovalerate and glutrate, overview
2-monooxygenase (DavB) and delta-aminovaleramidase (DavA) are coexpressed in Escherichia coli BL21(DE3) to produce nylon-5 monomer 5-aminovalerate from L-lysine. PP2911 (4-aminobutyrate transporter in Pseudomonas putida) and LysP (the lysine specific permease in Escherichia coli) are overexpressed to promote 5-aminovalerate production using whole cells of recombinant Escherichia coli. The constructed Escherichia coli strain overexpressing transport proteins exhibits good 5-aminovalerate production performance and might serve as a promising biocatalyst for 5-aminovalerate production from L-lysine. This strategy not only shows an efficient process for the production of nylon monomers but also might be used in production of other chemicals