Search Results - "Grechkin, A N"

Specificity of oxidation of linoleic acid homologs by plant lipoxygenases by Chechetkin, I. R, Osipova, E. V, Tarasova, N. B, Mukhitova, F. K, Hamberg, M, Gogolev, Y. V, Grechkin, A. N

“…The lipoxygenase-catalyzed oxidation of linoleic acid homologs was studied. While the linoleic acid oxidation by maize 9-lipoxygenase (9-LO) specifically…”
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Hexadecanoid pathway in plants: Lipoxygenase dioxygenation of (7Z,10Z,13Z)-hexadecatrienoic acid by Osipova, E. V, Lantsova, N. V, Chechetkin, I. R, Mukhitova, F. K, Hamberg, M, Grechkin, A. N

“…7,10,13-Hexadecatrienoic acid (16:3) is abundant in many plant species. However, its metabolism through the lipoxygenase pathway is not sufficiently…”
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Epoxyalcohol Synthase RjEAS (CYP74A88) from the Japanese Buttercup (Ranunculus japonicus): Cloning and Characterization of Catalytic Properties by Toporkova, Y. Y., Fatykhova, V. S., Gorina, S. S., Mukhtarova, L. S., Grechkin, A. N.

“…Cytochromes P450 of the CYP74 family play a key role in the lipoxygenase cascade generating oxylipins (products of polyunsaturated fatty acid oxidation). The…”
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The CYP443C1 (CYP74 clan) Cytochrome of Sea Anemone Nematostella vectensis–the First Metazoan Enzyme Possessing Hydroperoxide Lyase/Epoxyalcohol Synthase Activity by Gorina, S. S., Toporkova, Y. Y., Mukhtarova, L. S., Grechkin, A. N.

“…A novel CYP74 clan gene CYP443С1 of the starlet sea anemone ( Nematostella vectensis , Cnidaria) has been cloned, and the properties of the corresponding…”
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Detection of Divinyl Ether Synthase Activity and a Novel Oxylipin (1'Z)–Colneleic Acid in Asparagus (Asparagus officinalis L.) by Ogorodnikova, A. V., Mukhitova, F. K., Chechetkin, I. R., Khairutdinov, B. I., Grechkin, A. N.

“…— The activity of divinyl ether synthase (EC: 4.2.1.121), an enzyme involved in the lipoxygenase cascade of unsaturated fatty acids in plants, has been found…”
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Conversion of Tomato Allene Oxide Synthase LeAOS3 (CYP74C3) into Epoxyalcohol Synthase by Site-Directed Mutagenesis by Gorina, S. S., Smirnova, E. O., Mukhtarova, L. S., Toporkova, Y. Y., Grechkin, A. N.

“…The site-directed mutagenesis of tomato allene oxide synthase LeAOS3 (CYP74C3) on the “F/L toggle” site resulted in a partial conversion of LeAOS3 into…”
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Antimicrobial Activity of Geometric Isomers of Etherolenic Acid—the Products of Plant Lipoxygenase Cascade by Toporkova, Y. Y., Bessolitsyna, E. K., Smirnova, E. O., Gorina, S. S., Petrova, O. E., Mukhtarova, L. S., Grechkin, A. N.

“…Data on the influence of the double bond geometry on the antimicrobial properties of different isomers of etherolenic acid against phytopathogenic bacteria are…”
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The lipoxygenase pathway in tulip (Tulipa gesneriana): detection of the ketol route by Grechkin, A N, Mukhtarova, L S, Hamberg, M

“…The in vitro metabolism of [1-(14)C]linoleate, [1-(14)C]linolenate and their 9(S)-hydroperoxides was studied in cell-free preparations from tulip (Tulipa…”
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Screening of divinyl ether synthase activity in nonphotosynthetic tissue of asparagales by Ogorodnikova, A. V., Mukhitova, F. K., Grechkin, A. N.

“…The current level of knowledge on plant genomics indicates that the lipoxygenase pathway in plants is regulated by a wide variety of genes. Molecular cloning…”
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WITHDRAWN: Structural and mechanistic studies of hydroperoxide conversions catalyzed by a CYP74 clan epoxy alcohol synthase from amphioxus (Branchiostoma floridae) by Hamberg, Mats, Khairutdinov, Bulat I, Scholz, Julia, Brodhun, Florian, Hornung, Ellen, Feussner, Ivo, Grechkin, Alexander N

“…This manuscript has been withdrawn by the Author…”
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Oxidation of glycerolipids by maize 9-lipoxygenase and its A562G mutant by Chechetkin, I.R., Osipova, E.V., Antsygina, L.L., Gogolev, Y.V., Grechkin, A.N.

“…Lipoxygenases (LOXs) are key enzymes in the biosynthesis of oxylipins, the diverse class of bioregulators involved into developmental processes, signalling and…”
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Alteration of the catalytic properties of divinyl ether synthase as a result of substitutions of unique amino acids by Ermilova, V. S., Gorina, S. S., Osipova, E. V., Toporkova, Y. Y., Mukhtarova, L. S., Gogolev, Y. V., Grechkin, A. N.

“…Recent studies by site directed mutagenesis have shown that single amino acid substitutions in catalytically important sites may result in the conversion of…”
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Alteration of catalysis of CYP74C subfamily enzymes as a result of site-directed mutagenesis by Toporkova, Ya. Yu, Osipova, E. V., Mukhtarova, L. Sh, Gogolev, Yu. V., Grechkin, A. N.

“…Enzymes of the lipoxygenase signalling system lipoxygenases and cytochromes P450 of the CYP74 family, which catalyze the formation of oxylipins, oxidizing…”
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Origins of the diversity of cytochrome P450 CYP74 family based on the results of site-directed mutagenesis by Toporkova, Ya. Yu, Mukhtarova, L. Sh, Gogolev, Yu. V, Grechkin, A. N

“…Bioinformatic analysis and site-directed mutagenesis allowed identification of the determinants of catalysis for CYP74, which are located in the central part…”
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Identification and primary characterization of novel cytochrome CYP74B1 of flax (Linum usitatissimum) by Gogolev, Yu. V., Gorina, S. S., Gogoleva, N. E., Toporkova, Ya. Yu, Mukhtarova, L. Sh, Chechetkin, I. R., Grechkin, A. N.

“…The divinyl ether synthase CYP74B1 of flax is a unique enzyme of the CYP74B subfamily. In accordance with accepted nomenclature of the CYP74 enzymes, we…”
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Cyclization of natural allene oxide fatty acids. The anchimeric assistance of beta, gamma-double bond beside the oxirane and the reaction mechanism by Grechkin, A N

“…Formation of cyclopentenones was followed from linoleic, alpha-linolenic and gamma-linolenic acid hydroperoxides (HPOD, HPOT(alpha) and HPOT(gamma),…”
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Lipoxygenase pathway in tulip: biosynthesis of ketols by Grechkin, A N, Mukhtarova, L S, Hamberg, M

“…The metabolism in vitro of [1-(14)C]linoleate, [1-(14)C]linolenate and their 9(S)-hydroperoxides in tulip (Tulipa gesneriana) was found to be under the control…”
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Regio- and stereospecificity of recombinant soybean lipoxygenase-2 by Chechetkin, I R, Mukhitova, F K, Gogolev, Y V, Grechkin, A N

“…(ProQuest: Abstract omitted; see image)[PUBLICATION ABSTRACT]…”
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Formation of cyclopentenones from all-( E) hydroperoxides of linoleic acid via allene oxides. New insight into the mechanism of cyclization by Grechkin, Alexander N., Hamberg, Mats

“…Conversions of ( Z,E)- and ( E,E)-isomers of linoleic acid 13- and 9-hydroperoxides with flax and maize allene oxide synthase were studied. All-( E) but not (…”
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Influence of (9Z)-12-hydroxy-9-dodecenoic acid and methyl jasmonate on plant protein phosphorylation by Tarchevsky, I A, Karimova, F G, Grechkin, A N, Moukhametchina, N U

“…The products of the lipoxygenase pathway, methyl jasmonic acid (MeJA) and (9Z)-12-hydroxy-9-dodecenoic acid (HDA), hardly changed the relative level of…”
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