USDA.gov
National Agricultural Library Masthead
Random agricultural images
HomeAbout the CatalogNew SearchDatabasesHistoryPatronLoginHow to requestHelpContact Us


Database Name: Article Citation Database
Search Request: Command = nkey Zenk
Search Results: Displaying 1 through 100 of 219 entries.

Previous 1 101 201 Next


  Sort by:
 

# Date Title Long Author
[ 1 ] 2009 Mammalian Cytochrome P450 Enzymes Catalyze the Phenol-coupling Step in Endogenous Morphine Biosynthesis. Grobe, Nadja
[ 2 ] 2009 Salivary gland mucoepidermoid carcinoma [electronic resource]. Schwarz, S.
[ 3 ] 2008 Functional Analysis of the Salmonella Pathogenicity Island 2-Mediated Inhibition of Antigen Presentation in Dendritic Cells. Halici, Serkan
[ 4 ] 2008 Functional and Structural Characterization of a Cation-dependent O-Methyltransferase from the Cyanobacterium Synechocystis sp. Strain PCC 6803. Kopycki, Jakub Grzegorz
[ 5 ] 2007 Evolution and current status of the phytochemistry of nitrogenous compounds [electronic resource]. Zenk, M.H.
[ 6 ] 2007 HUM5007, a novel combination of thermogenic compounds, and 3-acetyl-7-oxo-dehydroepiandrosterone: each increases the resting metabolic rate of overweight adults [electronic resource]. Zenk, J.L.
[ 7 ] 2007 Poppy alkaloid profiling by electrospray tandem mass spectrometry and electrospray FT-ICR mass spectrometry after [ring-13C6]-tyramine feeding [electronic resource]. Schmidt, J.
[ 8 ] 2007 Type III secretion system needle tip complex mediates host cell sensing and translocon insertion [electronic resource]. Veenendaal, Andreas K.J.
[ 9 ] 2006 Membrane-bound geranylgeranyl diphosphate phosphatases: Purification and characterization from Croton stellatopilosus leaves [electronic resource]. Nualkaew, N.
[ 10 ] 2005 Biosynthesis of benzofuran derivatives in root cultures of Tagetes patula via phenylalanine and 1-deoxy-D-xylulose 5-phosphate. Margl, L.
[ 11 ] 2005 Effect of Lean System 7 on metabolic rate and body composition. Zenk, J.L.
[ 12 ] 2005 Needle Component of the Type III Secreton of Shigella Regulates the Activity of the Secretion Apparatus. Kenjale, Roma
[ 13 ] 2005 Purification and characterization of novel enzymes in terpenoid biosynthesis. Wungsintaweekul, J.
[ 14 ] 2004 1,2-Dehydroreticuline synthase, the branch point enzyme opening the morphinan biosynthetic pathway. Hirata, K.
[ 15 ] 2004 Evaluation of the mass spectrometric fragmentation of codeine and morphine after 13C-isotope biosynthetic labeling. Poeaknapo, C.
[ 16 ] 2004 Functional analysis of the final steps of the 1-deoxy-D-xylulose 5-phosphate (DXP) pathway to isoprenoids in plants using virus-induced gene silencing. Page, J.E.
[ 17 ] 2004 Morphine-pathway block in top 1 poppies. Millgate, A.G.
[ 18 ] 2003 Early steps of deoxyxylulose phosphate pathway in chromoplasts of higher plants. Fellermeier, M.
[ 19 ] 2003 Metabolomic analysis of the consequences of cadmium exposure in Silene cucubalus cell cultures via 1H NMR spectroscopy and chemometrics. Bailey, N.J.C.
[ 20 ] 2002 Enhancement of tolerance to heavy metals and oxidative stress in Dunaliella tertiolecta by Zn-induced phytochelatin synthesis. Tsuji, N.
[ 21 ] 2002 Immunocytological localization of two enzymes involved in berberine biosynthesis. Bock, A.
[ 22 ] 2002 Increase of free cysteine and citric acid in plant cells exposed to cobalt ions. Oven, M.
[ 23 ] 2002 Molecular characterization of the homo-phytochelatin synthase of soybean Glycine max: relation to phytochelatin synthase. Oven, M.
[ 24 ] 2001 Biosynthesis of thiophenes in Tagetes patula. Margl, L.
[ 25 ] 2001 Homo-phytochelatins are synthesized in response to cadmium in azuki beans. Oven, M.
[ 26 ] 2001 Identification of phytochelatin-related peptides in maize seedlings exposed to cadmium and obtained enzymatically in vitro. Chassaigne, H.
[ 27 ] 2001 Trace studies with 13C-labeled carbohydrates in cultured plant cells. Retrobiosynthetic analysis of chelidonic acid biosynthesis. Shen, Z.W.
[ 28 ] 2000 Biosynthesis of terpenoids: 4-diphosphocytidyl-2-C-methyl-D-erythritol kinase from tomato. Rohdich, F.
[ 29 ] 2000 Biosynthesis of terpenoids: 4-diphosphocytidyl-2C-methyl-D-erythritol synthase of Arabidopsis thaliana. Rohdich, F.
[ 30 ] 2000 Indoxyl-UDPG-glucosyltransferase from Baphicacanthus cusia. Marcinek, H.
[ 31 ] 2000 Synthesis of 3,3',5-trihydroxybiphenyl-2-carboxylic acid, a component of the bitterest natural product amarogentin and its coenzyme A and N-acetyl cysteamine thiol esters. Wang, C.Z.
[ 32 ] 1999 Analysis of metabolic pathways via quantitative prediction of isotope labeling patterns: a retrobiosynthetic 13C NMR study on the monoterpene loganin. Eichinger, D.
[ 33 ] 1999 Biosynthesis of bitter acids in hops. A 13C-NMR and 2H-NMR study on the building blocks of humulone. Goese, M.
[ 34 ] 1999 Biosynthesis of cyclic bis(bibenzyls) in Marchantia polymorpha. Friederich, S.
[ 35 ] 1999 Biosynthesis of Erythrina alkaloids in Erythrina crista-galli. Maier, U.H.
[ 36 ] 1999 Cell-free conversion of 1-deoxy-D-xylulose 5-phosphate and 2-C-methyl-D-erythritol 4-phosphate into beta-carotene in higher plants and its inhibition by fosmidomycin. Fellermeier, M.
[ 37 ] 1999 Cytochromes P-450 catalyze the formation of marchantins A and C in Marchantia polymorpha. Friederich, S.
[ 38 ] 1999 Dimethylallyl pyrophosphate is not the committed precursor of isopentenyl pyrophosphate during terpenoid biosynthesis from 1-deoxyxylulose in higher plants. Arigoni, D.
[ 39 ] 1999 Purification and characterization of acetyl coenzyme A: 10-hydroxytaxane O-acetyltransferase from cell suspension cultures of Taxus chinensis. Menhard, B.
[ 40 ] 1998 Biological activity and biosynthesis of pentacyclic oxylipins: the linoleic acid pathway. Gundlach, H.
[ 41 ] 1998 Biosynthesis of 2-C-methyl-D-erythritol in plants by rearrangement of the terpenoid precursor, 1-deoxy-D-xylulose 5-phosphate. Sagner, S.
[ 42 ] 1998 Biosynthesis of lunarine in seeds of Lunaria annua. Sagner, S.
[ 43 ] 1998 Biosynthesis of the Amaryllidaceae alkaloid galanthamine. Eichhorn, J.
[ 44 ] 1998 Enzymic synthesis of phytochelatins in gram quantities. Friederich, M.
[ 45 ] 1998 Hyperaccumulation, complexation and distribution of nickel in Sebertia acuminata. Sagner, S.
[ 46 ] 1998 Seven imidazole alkaloids from Lepidium sativum. Maier, U.H.
[ 47 ] 1998 Taxoids from cell cultures of Taxus chinensis. Menhard, B.
[ 48 ] 1997 Biotransformation of thebaine by cell cultures of Papaver somniferum and Mahonia nervosa. Wilhelm, R.
[ 49 ] 1997 Bis(p-coumaroyl)spermidine, the penultimate precursor of the alkaloid lunarine. Sagner, S.
[ 50 ] 1997 Enzymatic condensation of dopamine and secologanin by cell-free extracts of Alangium lamarckii. De-Eknamkul, W.
[ 51 ] 1997 Formation of Cd-phytochelatin complexes in plant cell cultures. Kneer, R.
[ 52 ] 1997 Incorporation of phenethylisoquinolines into colchicine in isolated seeds of Colchicum autumnale. Nasreen, A.
[ 53 ] 1997 Monoterpenoid essential oils are not of mevalonoid origin. Eisenreich, W.
[ 54 ] 1997 Terpenoid biosynthesis from 1-deoxy-D-xylulose in higher plants by intramolecular skeletal rearrangement. Arigoni, D.
[ 55 ] 1996 Heavy metal detoxification in higher plants--a review. Zenk, M.H.
[ 56 ] 1996 Studies on the biosynthesis of taxol: the taxane carbon skeleton is not of mevalonoid origin. Eisenreich, W.
[ 57 ] 1995 Acetyl coenzyme A:salutaridinol-7-O-acetyltransferase from Papaver somniferum plant cell cultures. The enzyme catalyzing the formation of thebaine in morphine biosynthesis. Lenz, R.
[ 58 ] 1995 Octadecanoic pathway: signal molecules for the regulation of secondary pathways. Blechert, S.
[ 59 ] 1995 Purification and properties of codeinone reductase (NADPH) from Papaver somniferum cell cultures and differentiated plants. Lenz, R.
[ 60 ] 1995 S-adenosyl-L-methionine: (S)-coclaurine-N-methyltransferase from Tinospora cordifolia. Loeffler, S.
[ 61 ] 1995 Stereoselective reduction of codeinone, the penultimate enzymic step during morphine biosynthesis in Papaver somniferum. Lenz, R.
[ 62 ] 1994 Canadine synthase from Thalictrum tuberosum cell cultures catalyses the formation of the methylenedioxy bridge in berberine synthesis. Rueffer, M.
[ 63 ] 1994 Closure of the oxide bridge in morphine biosynthesis. Lenz, R.
[ 64 ] 1994 Enzymic 12-hydroxylation and 12-O-methylation of dihydrochelirubine in dihydromacarpine formation by Thalictrum bulgaricum. Kammerer, L.
[ 65 ] 1994 Immunoassays for the quantitative determination of colchicine. Poulev, A.
[ 66 ] 1994 Was opium known in 18th dynasty ancient Egypt? An examination of materials from the tomb of the chief royal architect Kha. Bisset, N.G.
[ 67 ] 1993 Enzyme immunoassay for the quantitative determination of galanthamine. Poulev, A.
[ 68 ] 1993 Formation of salutaridine from (R)-reticuline by a membrane-bound cytochrome P-450 enzyme from Papaver somniferum. Gerardy, R.
[ 69 ] 1993 Metabolism of jasmonic acid in suspension cultures of Eschscholtzia. Xia, Z.Q.
[ 70 ] 1993 Metabolism of (S)-reticuline in an alkaloid non-producing cell culture strain of Thalictrum tuberosum. Schneider, B.
[ 71 ] 1993 Purification and characterization of a unique cytochrome P-450 enzyme from Berberis stolonifera plant cell cultures. Stadler, R.
[ 72 ] 1993 Purification and characterization of salutaridine:NADPH 7-oxidoreductase from Papaver somniferum. Gerardy, R.
[ 73 ] 1993 Signaling in the elicitation process is mediated through the octadecanoid pathway leading to jasmonic acid. Mueller, M.J.
[ 74 ] 1993 Unusual methyl transfer in the biosynthesis of aporphine and protoberberine alkaloids. Schneider, B.
[ 75 ] 1992 Biosynthesis of indigo precursors in higher plants. Xia, Z.Q.
[ 76 ] 1992 Enzymic 10-hydroxylation and 10-O-methylation of dihydrosanguinarine in dihydrochelirubine formation by Eschscholtzia. De-Eknamkul, W.
[ 77 ] 1992 Jasmonic acid is a signal transducer in elicitor-induced plant cell cultures. Gundlach, H.
[ 78 ] 1992 Norcoclaurine pathway is operative in berberine biosynthesis in Coptis japonica. Muller, M.J.
[ 79 ] 1992 Phytochelatins protect plant enzymes from heavy metal poisoning. Kneer, R.
[ 80 ] 1992 Purification and properties of 1,2-dehydroreticuline reductase from Papaver somniferum seedlings. De-Eknamkul, W.
[ 81 ] 1992 Saccharomyces cerevisiae and Neurospora crassa contain heavy metal sequestering phytochelatin. Kneer, R.
[ 82 ] 1991 Chasing the enzymes of secondary metabolism: plant cell cultures as a pot of gold. Zenk, M.H.
[ 83 ] 1991 Formation of (R)-configurated tetrahydroprotoberberine alkaloids in vivo and in vitro. Bauer, W.
[ 84 ] 1991 Immunologically active polysaccharides of Arnica montana cell cultures. Puhlmann, J.
[ 85 ] 1991 Phytochelatins. Grill, E.
[ 86 ] 1991 Polyphenolic compounds from Croton lechleri. Cai, Y.
[ 87 ] 1991 Two methylenedioxy bridge forming cytochrome P-450 dependent enzymes are involved in (S)-stylopine biosynthesis. Bauer, W.
[ 88 ] 1990 Elicitor induction and characterization of microsomal protopine-6-hydroxylase, the central enzyme in benzophenanthridine alkaloid biosynthesis. Tanahashi, T.
[ 89 ] 1990 Enzymic formation of (R)-reticuline from 1,2-dehydroreticuline in the opium poppy plant. De-Eknamkul, W.
[ 90 ] 1990 Fate of C-1 hydrogen during the incorporation of (S)- and (R)-reticuline into the opium alkaloid thebaine. Loeffler, S.
[ 91 ] 1990 Hydroxylation step in the biosynthetic pathway leading from norcoclaurine to reticuline. Loeffler, S.
[ 92 ] 1990 Morphine alkaloid biosynthesis: enzymatic formation of salutaridine by microsomal cytochrome P-450. Gerardy, R.
[ 93 ] 1990 New hydroxylated bedzo[c]phenanthridine alkaloids from Eschscholtzia californica cell suspension cultures. Tanahashi, T.
[ 94 ] 1990 Partial purification and properties of S-adenosyl-L-methionine: (S)-tetrahydroprotoberberine-cis-N-methyltransferase from suspension-cultured cells of Eschscholtzia and Corydalis. Rueffer, M.
[ 95 ] 1990 Plant cell cultures: a potential in food and bio-technology. Zenk, M.H.
[ 96 ] 1990 Purification and characterization of three isoforms of S-adenosyl-L-methionine: (R,S)-tetrahydrobenzylisoquinoline-N-methyltransferase from Berberis koetineana cell cultures. Frenzel, T.
[ 97 ] 1990 Radioimmunoassay for the quantitative determination of galanthamine. Tanahashi, T.
[ 98 ] 1990 S-adenosyl-L-methionine: 3'-hydroxy-N-methyl-(S)-coclaurine-4'-O-methyl transferase, a regio- and stereoselective enzyme of the (S)-reticuline pathway. Frenzel, T.
[ 99 ] 1990 Studies on the biosynthesis of the cularine alkaloids. Muller, M.J.
[ 100 ] 1989 Biosynthesis of alkaloids using plant cell cultures. Zenk, M.H.

  Sort by:
 

 
Previous 1 101 201 Next

Print, Save or E-mail
Select Records Select Format:
All on this page
Marked on this page
Marked on all pages
Enter your e-mail address:

HomeAbout the CatalogNew SearchDatabasesHistoryPatronLoginHow to requestHelpContact Us



NAL Home | USDA | Agricultural Research Service | Science.gov | GPO Access | Web Policies and Important Links | Site Map
FOIA | Accessibility Statement | Privacy Policy | Non-Discrimination Statement | Information Quality | USA.gov | White House