Search Results - "Helvig, C."

CYP15A1, the Cytochrome P450 That Catalyzes Epoxidation of Methyl Farnesoate to Juvenile Hormone III in Cockroach Corpora Allata by Helvig, C., Koener, J. F., Unnithan, G. C., Feyereisen, R., Hammock, Bruce D.

“…The molecular analysis of insect hormone biosynthesis has long been hampered by the minute size of the endocrine glands producing them. Expressed sequence tags…”
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The cytochrome P450 gene superfamily in Drosophila melanogaster: annotation, intron-exon organization and phylogeny by Tijet, N, Helvig, C, Feyereisen, R

“…The cytochrome P450 gene superfamily is represented by 90 sequences in the Drosophila melanogaster genome. Of these 90 P450 sequences, 83 code for apparently…”
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The moving-target traveling salesman problem by Helvig, C.S., Robins, Gabriel, Zelikovsky, Alex

“…Previous literature on the Traveling Salesman Problem (TSP) assumed that the sites to be visited are stationary. Motivated by practical applications, we…”
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An improved approximation scheme for the Group Steiner Problem by Helvig, C. S., Robins, Gabriel, Zelikovsky, Alexander

“…We address a practical problem which arises in several areas, including network design and VLSI circuit layout. Given an undirected weighted graph G = (V, E…”
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Induction and inactivation of a cytochrome P450 confering herbicide resistance in wheat seedlings by FORTHOFFER, N, HELVIG, C, DILLON, N, BENVENISTE, I, ZIMMERLIN, A, TARDIF, F, SALAUN, J.-P

“…Cytochrome P450-dependent enzymes from wheat catalyze the oxidation of endogenous compounds (lauric and oleic acids) and of several herbicides (diclofop,…”
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New approximation algorithms for routing with multiport terminals by Helvig, C.S., Robins, G., Zelikovsky, A.

“…Previous literature on very large scale integration routing and wiring estimation typically assumes a one-to-one correspondence between terminals and ports. In…”
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Microsomal cytochrome P450 and eicosanoid metabolism by Capdevila, J H, Holla, V, Helvig, C, Falck, J R

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Suicide inactivation of cytochrome P450 by midchain and terminal acetylenes: a mechanistic study of inactivation of a plant lauric acid omega-hydroxylase by Helvig, C. (CNRS, Strasbourg, France.), Alayrac, C, Mioskowski, C, Koop, D, Poullain, D, Durst, F, Salaun, J.P

“…Incubation of Vicia sativa microsomes, containing cytochrome P450-dependent lauric acid omega-hydroxylase (omega-LAH), with [1-14C]11-dodecynoic acid (11-DDYA;…”
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A Novel Human Cytochrome P450, CYP26C1, Involved in Metabolism of 9-cis and All-trans Isomers of Retinoic Acid by Taimi, Mohammed, Helvig, Christian, Wisniewski, Jan, Ramshaw, Heather, White, Jay, Amad, Ma'an, Korczak, Bozena, Petkovich, Martin

“…Retinoids are potent regulators of cell proliferation, cell differentiation, and morphogenesis and are important therapeutic agents in oncology and…”
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CYP2U1, a Novel Human Thymus- and Brain-specific Cytochrome P450, Catalyzes ω- and (ω-1)-Hydroxylation of Fatty Acids by Chuang, Samuel S., Helvig, Christian, Taimi, Mohammed, Ramshaw, Heather A., Collop, Andrew H., Amad, Ma'an, White, Jay A., Petkovich, Martin, Jones, Glenville, Korczak, Bozena

“…Long chain fatty acids have recently emerged as critical signaling molecules in neuronal, cardiovascular, and renal processes, yet little is presently known…”
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Selective Inhibition of a Cytochrome P450 Enzyme in Wheat That Oxidizes Both the Natural Substrate Lauric Acid and the Synthetic Herbicide Diclofop by Helvig, Christian, Tardif, François J., Seyer, André, Powles, Stephen B., Mioskowski, Charles, Durst, Francis, Salaün, Jean-Pierre

“…Earlier studies from our laboratory strongly suggested that a single or similar cytochrome P450 isoform(s) isolated from microsomes of wheat catalyze the…”
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Drosophila melanogaster CYP6A8, an insect P450 that catalyzes lauric acid (ω-1)-hydroxylation by Helvig, Christian, Tijet, Nathalie, Feyereisen, René, Walker, F. Ann, Restifo, Linda L.

“…Only a handful of P450 genes have been functionally characterized from the approximately 90 recently identified in the genome of Drosophila melanogaster…”
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An Active Site Substitution, F87V, Converts Cytochrome P450 BM-3 into a Regio- and Stereoselective (14S,15R)-Arachidonic Acid Epoxygenase by Graham-Lorence, S, Truan, G, Peterson, J A, Falck, J R, Wei, S, Helvig, C, Capdevila, J H

“…Cytochrome P450 BM-3 catalyzes the high turnover regio- and stereoselective metabolism of arachidonic and eicosapentaenoic acids. To map structural…”
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Improved approximation bounds for the group Steiner problem by Helvig, C.S., Robins, G., Zelikovsky, A.

“…Given a weighted graph and a family of k disjoint groups of nodes, the group Steiner problem asks for a minimum-cost routing tree that contains at least one…”
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The Highly Stereoselective Oxidation of Polyunsaturated Fatty Acids by Cytochrome P450BM-3 by Capdevila, J H, Wei, S, Helvig, C, Falck, J R, Belosludtsev, Y, Truan, G, Graham-Lorence, S E, Peterson, J A

“…Cytochrome P450BM-3 catalyzes NADPH-dependent metabolism of arachidonic acid to nearly enantiomerically pure 18( R )-hydroxyeicosatetraenoic acid and 14( S…”
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Molecular, Enzymatic, and Regulatory Characterization of Rat Kidney Cytochromes P450 4A2 and 4A3 by Helvig, Christian, Dishman, Elizabeth, Capdevila, Jorge H

“…The cDNAs encoding cytochromes CYP 4A2 and 4A3 were cloned by RT-PCR amplification of male rat kidney and liver RNAs, respectively. Sequence analysis…”
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Biochemical Characterization of Rat P450 2C11 Fused to Rat or Bacterial NADPH-P450 Reductase Domains by Helvig, Christian, Capdevila, Jorge H

“…cDNAs coding for rat P450 2C11 fused to either a bacterial (the NADPH-cytochrome P450 BM3 reductase domain of P450 BM3) or a truncated form of rat NADPH-P450…”
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Functional expression in yeast and characterization of a clofibrate-inducible plant cytochrome P-450 (CYP94A1) involved in cutin monomers synthesis by Tijet, N, Helvig, C, Pinot, F, Le Bouquin, R, Lesot, A, Durst, F, Salaun, J.P, Benveniste, I

“…The chemical tagging of a cytochrome P-450-dependent lauric acid omega-hydroxylase from clofibrate-treated Vicia sativa seedlings with [1-14C]11-dodecynoic…”
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Biochemical and functional properties of the P450 arachidonic acid monooxygenase by Capdevila, J.H., Holla, V., owart, A., Helvig, C.

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Selective covalent labeling with radiolabeled suicide substrates for isolating P450s by Helvig, Christian, Tijet, Nathalie, Benveniste, Irène, Pinot, Franck, Salaün, Jean-Pierre, Durst, Francis

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