i.e. (9Z,12Z)-octadeca-9,12-dienoate. The enzyme is involved in biosynthesis of oxylipins, which affect sporulation, development, and pathogenicity of Aspergilli
i.e. (9Z,12Z)-octadeca-9,12-dienoate. The wild-type enzyme forms 90% (8E,10R,12Z)-10-hydroperoxy-9,12-octadecadienoate, 10% (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate and small amounts of 12S(13R)-epoxy-(10R)-hydroxy-(8E)-octadecenoic acid
recombinant enzyme lacks hydroperoxide isomerase activity, but shows low epoxyalcohol synthase activity with biosynthesis of a novel oxylipin, 12S(13R)-epoxy-(10R)-hydroxy-18:1. The enzyme oxygenates 20:4n-6 (all-cis-5,8,11,14-eicosatetraenoic acid) i.e. by hydrogen abstraction at both C-13 and C-10 with formation of two nonconjugated and four cis-trans-conjugated hydroperoxyeicosatetraenoic acid
recombinant enzyme lacks hydroperoxide isomerase activity, but shows low epoxyalcohol synthase activity with biosynthesis of a novel oxylipin, 12S(13R)-epoxy-(10R)-hydroxy-18:1. The enzyme oxygenates 20:4n-6 (all-cis-5,8,11,14-eicosatetraenoic acid) i.e. by hydrogen abstraction at both C-13 and C-10 with formation of two nonconjugated and four cis-trans-conjugated hydroperoxyeicosatetraenoic acid
the enzyme produces both (8E,10R,12Z,15Z)-10-hydroperoxyoctadeca-8,12,15-trienoate and (8E,10R,12Z)-10-hydroperoxyoctadeca-8,12-dienoate from hempseed oil hydrolyzate
the enzyme produces both (8E,10R,12Z,15Z)-10-hydroperoxyoctadeca-8,12,15-trienoate and (8E,10R,12Z)-10-hydroperoxyoctadeca-8,12-dienoate from hempseed oil hydrolyzate
i.e. (9Z,12Z)-octadeca-9,12-dienoate. The enzyme is involved in biosynthesis of oxylipins, which affect sporulation, development, and pathogenicity of Aspergilli
the enzyme produces both (8E,10R,12Z,15Z)-10-hydroperoxyoctadeca-8,12,15-trienoate and (8E,10R,12Z)-10-hydroperoxyoctadeca-8,12-dienoate from hempseed oil hydrolyzate
the enzyme produces both (8E,10R,12Z,15Z)-10-hydroperoxyoctadeca-8,12,15-trienoate and (8E,10R,12Z)-10-hydroperoxyoctadeca-8,12-dienoate from hempseed oil hydrolyzate
Psi-producing oxygenases (Ppo enzymes) are classified as three enzyme types: PpoA (5,8-diol synthase), PpoB (suggested as 8,11-diol synthase), and PpoC (10R-dioxygenase)
Psi-producing oxygenases (Ppo enzymes) are classified as three enzyme types: PpoA (5,8-diol synthase), PpoB (suggested as 8,11-diol synthase), and PpoC (10R-dioxygenase)
the relative biosynthesis of (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate compared to (8E,10R,12Z)-10-hydroperoxy-9,12-octadecadienoate is slightly lowered
the relative biosynthesis of (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate compared to (8E,10R,12Z)-10-hydroperoxy-9,12-octadecadienoate is slightly lowered
the relative amount of (8E,10R,12Z)-10-hydroperoxy-9,12-octadecadienoate (8-HODE/(10-HODE + 8-HODE)) is 10.4% for the recombinant wild-type enzyme and 53.7% for the mutant enzyme. The L384A mutant changes the stereochemistry at C-8 and C-10. L384A forms the R and S enantiomers of 8-HODE and 10-HODE in a ratio of 3:2, whereas native and recombinant 10R-DOX form both products with 95% R configuration
increases the relative biosynthesis of (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate compared to (8E,10R,12Z)-10-hydroperoxy-9,12-octadecadienoate to 48% (the wild-type enzyme forms 90% (8E,10R,12Z)-10-hydroperoxy-9,12-octadecadienoate and 10% (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate)
increases the relative biosynthesis of (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate compared to (8E,10R,12Z)-10-hydroperoxy-9,12-octadecadienoate with 3-4% units
the relative amount of (8E,10R,12Z)-10-hydroperoxy-9,12-octadecadienoate (8-HODE/(10-HODE + 8-HODE)) is 10.4% for the recombinant wild-type enzyme and 22.1% for the mutant enzyme
the wild-type enzyme forms 90% (8E,10R,12Z)-10-hydroperoxy-9,12-octadecadienoate and 10% (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate. The mutation increases the formation of (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate to 36%
the wild-type enzyme forms 90% (8E,10R,12Z)-10-hydroperoxy-9,12-octadecadienoate and 10% (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate. The mutation increases the formation of (8R,9Z,12Z)-8-hydroperoxy-9,12-octadecadienoate to 16%
under the optimized conditions, the biotechnological production of (8E,10R,12Z,15Z)-10-hydroperoxyoctadeca-8,12-trienoate and (8E,10R,12Z)-10-hydroperoxyoctadeca-8,12-dienoate by enzyme PpoC from Aspergillus nidulans strain ATCC 10074 from linoleic acid, alpha-linolenic acid, and hempseed oil hydrolyzate as substrates is achieved, method optimization, optimization of concentrations of cells and substrate, pH and temperature, for the production of 10R-hydroxy unsaturated fatty acids, overview. Recombinant enzyme PpoC in Escherichia coli cells is more stable than the purified recombinant PpoC
under the optimized conditions, the biotechnological production of (8E,10R,12Z,15Z)-10-hydroperoxyoctadeca-8,12-trienoate and (8E,10R,12Z)-10-hydroperoxyoctadeca-8,12-dienoate by enzyme PpoC from Aspergillus nidulans strain ATCC 10074 from linoleic acid, alpha-linolenic acid, and hempseed oil hydrolyzate as substrates is achieved, method optimization, optimization of concentrations of cells and substrate, pH and temperature, for the production of 10R-hydroxy unsaturated fatty acids, overview. Recombinant enzyme PpoC in Escherichia coli cells is more stable than the purified recombinant PpoC
half-lives of recombinant PpoC in Escherichia coli cells at 30°C, 35°C, and 40°C are 530, 315, and 97 min, respectively, while those of purified recombinant enzyme are 41, 29, and 18 min, respectively. The half-lives of the recombinant enzyme in Escherichia coli cells are 12.9, 10.9, and 5.4fold higher at 30°C, 35°C, and 40°C, respectively, than those of the purified recombinant enzyme, indicating that thermal stability of recombinant PpoC in expressing cells is higher than that of the purified recombinant PpoC
under the optimized conditions, the biotechnological production of (8E,10R,12Z,15Z)-10-hydroperoxyoctadeca-8,12-trienoate and (8E,10R,12Z)-10-hydroperoxyoctadeca-8,12-dienoate by enzyme PpoC from Aspergillus nidulans strain ATCC 10074 from linoleic acid, alpha-linolenic acid, and hempseed oil hydrolyzate as substrates is achieved, method optimization
under the optimized conditions, the biotechnological production of (8E,10R,12Z,15Z)-10-hydroperoxyoctadeca-8,12-trienoate and (8E,10R,12Z)-10-hydroperoxyoctadeca-8,12-dienoate by enzyme PpoC from Aspergillus nidulans strain ATCC 10074 from linoleic acid, alpha-linolenic acid, and hempseed oil hydrolyzate as substrates is achieved, method optimization
Leucine/valine residues direct oxygenation of linoleic acid by (10R)- and (8R)-dioxygenases: expression and site-directed mutagenesis oF (10R)-dioxygenase with epoxyalcohol synthase activity
Production of 10R-hydroxy unsaturated fatty acids from hempseed oil hydrolyzate by recombinant Escherichia coli cells expressing PpoC from Aspergillus nidulans
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1.13.11.62 linoleate 10R-lipoxygenase
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