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Stephen Duke

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Stephen O Duke; Joanna Bajsa; Zhiqiang Pan
Omics methods for probing the mode of action of natural and synthetic phytotoxins.
Abbas Ali; Ulrich R Bernier; Charles L Cantrell; Stephen O Duke; Natasha M Agramonte; John C Schneider; Ikhlas Khan
Aedes aegypti (Diptera: Culicidae) biting deterrence: structure-activity relationship of saturated and unsaturated fatty acids.
Shobha Sondhia; Stephen O Duke; Nadezhda G Gemejiyeva; Solomon Green; Leonid K Mamonov; Charles L Cantrell
Phytotoxic furanocoumarins from the shoots of Semenovia transiliensis.

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All Publications

2013: Stephen O Duke; Joanna Bajsa; Zhiqiang Pan
Omics methods for probing the mode of action of natural and synthetic phytotoxins.
Journal of chemical ecology 2013;39(2):333-47.
2012: Abbas Ali; Ulrich R Bernier; Charles L Cantrell; Stephen O Duke; Natasha M Agramonte; John C Schneider; Ikhlas Khan
Aedes aegypti (Diptera: Culicidae) biting deterrence: structure-activity relationship of saturated and unsaturated fatty acids.
Journal of medical entomology 2012;49(6):1370-8.
2012: Shobha Sondhia; Stephen O Duke; Nadezhda G Gemejiyeva; Solomon Green; Leonid K Mamonov; Charles L Cantrell
Phytotoxic furanocoumarins from the shoots of Semenovia transiliensis.
Natural product communications 2012;7(10):1327-30.
2012: Charles L Cantrell; Franck E Dayan; Stephen O Duke
Natural products as sources for new pesticides.
Journal of natural products 2012;75(6):1231-42.
2012: Mallika Kumarihamy; Babu L Tekwani; Stephen O Duke; Daneel Ferreira; Melissa Jacob; Shabana I Khan; N P Dhammika Nanayakkara
Antiprotozoal and antimicrobial compounds from the plant pathogen Septoria pistaciarum.
Journal of natural products 2012;75(5):883-9.
2012: Franck E Dayan; Daniel K Owens; Stephen O Duke
Rationale for a natural products approach to herbicide discovery.
Pest management science 2012;68(4):519-28.
2012: Stephen O Duke
Why have no new herbicide modes of action appeared in recent years?
Pest management science 2012;68(4):505-12.
2011: Joanna Bajsa; Zhiqiang Pan; Stephen O Duke
Serine/threonine protein phosphatases: multi-purpose enzymes in control of defense mechanisms.
Plant signaling & behavior 2011;6(12):1921-5.
2011: Kumudini M Meepagala; Weste L A Osbrink; Charles Burandt; Alan R Lax; Stephen O Duke
Natural-product-based chromenes as a novel class of potential termiticides.
Pest management science 2011;67(11):1446-50.
2011: Joanna Bajsa; Zhiqiang Pan; Stephen O Duke
Transcriptional responses to cantharidin, a protein phosphatase inhibitor, in Arabidopsis thaliana reveal the involvement of multiple signal transduction pathways.
Physiologia plantarum 2011;143(2):188-205.
2011: Stephen O Duke; Franck E Dayan
Modes of action of microbially-produced phytotoxins.
Toxins 2011;3(8):1038-64.
2011: Charles L Cantrell; Stephen O Duke; Abbas Ali; Ikhlas Khan
Identification of mosquito biting deterrent constituents from the Indian folk remedy plant Jatropha curcas.
Journal of medical entomology 2011;48(4):836-45.
2011: Stephen O Duke
Comparing conventional and biotechnology-based pest management.
Journal of agricultural and food chemistry 2011;59(11):5793-8.
2011: Stephen O Duke
Glyphosate degradation in glyphosate-resistant and -susceptible crops and weeds.
Journal of agricultural and food chemistry 2011;59(11):5835-41.
2011: Stephen O Duke
Phytotchemical phytotoxins and hormesis - a commentary.
Dose-response : a publication of International Hormesis Society 2011;9(1):76-8.
2010: Joanna Bajsa; Adam McCluskey; Christopher P Gordon; Scott G Stewart; Timothy A Hill; Rajnish Sahu; Stephen O Duke; Babu L Tekwani
The antiplasmodial activity of norcantharidin analogs.
Bioorganic & medicinal chemistry letters 2010;20(22):6688-95.
2010: Scott R Baerson; Joachim Schröder; Daniel Cook; Agnes M Rimando; Zhiqiang Pan; Franck E Dayan; Brice P Noonan; Stephen O Duke
Alkylresorcinol biosynthesis in plants: new insights from an ancient enzyme family?
Plant signaling & behavior 2010;5(10):1286-9.
2010: Stephen O Duke; Jonathan Gressel
Weed genomics advance: a commentary.
Pest management science 2010;66(10):1041.
2010: Kumudini M Meepagala; Kevin K Schrader; Charles L Burandt; David E Wedge; Stephen O Duke
New class of algicidal compounds and fungicidal activities derived from a chromene amide of Amyris texana.
Journal of agricultural and food chemistry 2010;58(17):9476-82.
2010: Kevin K Schrader; Anna Andolfi; Charles L Cantrell; Alessio Cimmino; Stephen O Duke; Weste L A Osbrink; David E Wedge; Antonio Evidente
A survey of phytotoxic microbial and plant metabolites as potential natural products for pest management.
Chemistry & biodiversity 2010;7(9):2261-80.
2010: Stephen O Duke; Kumudini M Meepagala; Nurhayat Tabanca; David E Wedge; Charles L Cantrell; Kevin K Schrader
Natural toxins for use in pest management.
Toxins 2010;2(8):1943-62.
2010: Franck E Dayan; Pankaj R Daga; Stephen O Duke; Ryan M Lee; Patrick J Tranel; Robert J Doerksen
Biochemical and structural consequences of a glycine deletion in the alpha-8 helix of protoporphyrinogen oxidase.
Biochimica et biophysica acta 2010;1804(7):1548-56.
2010: Franck E Dayan; Agnes M Rimando; Zhiqiang Pan; Scott R Baerson; Anne Louise Gimsing; Stephen O Duke
Sorgoleone.
Phytochemistry 2010;71(10):1032-9.
2010: Cassia S Mizuno; Agnes M Rimando; Stephen O Duke
Phytotoxic activity of quinones and resorcinolic lipid derivatives.
Journal of agricultural and food chemistry 2010;58(7):4353-5.
2010: Daniel Cook; Agnes M Rimando; Thomas E Clemente; Joachim Schröder; Franck E Dayan; N P Dhammika Nanayakkara; Zhiqiang Pan; Brice P Noonan; Mark Fishbein; Ikuro Abe; Stephen O Duke; Scott R Baerson
Alkylresorcinol synthases expressed in Sorghum bicolor root hairs play an essential role in the biosynthesis of the allelopathic benzoquinone sorgoleone.
The Plant cell 2010;22(3):867-87.
2009: H M T Bandara Herath; Wimal Herath; Paulo Carvalho; Shabana I Khan; Babu L Tekwani; Stephen O Duke; Maria Tomaso-Peterson; N P Dhammika Nanayakkara
Biologically active tetranorditerpenoids from the fungus Sclerotinia homoeocarpa causal agent of dollar spot in turfgrass.
Journal of natural products 2009;72(12):2091-7.
2009: Franck E Dayan; Charles L Cantrell; Stephen O Duke
Natural products in crop protection.
Bioorganic & medicinal chemistry 2009;17(12):4022-34.
2009: Stephen O Duke; Franck E Dayan; Joanna Bajsa; Kumudini M Meepagala; Ruth A Hufbauer; Amy C Blair
The case against (-)-catechin involvement in allelopathy of Centaurea stoebe (spotted knapweed).
Plant signaling & behavior 2009;4(5):422-4.
2009: Stephen O Duke; Amy C Blair; Franck E Dayan; Robert D Johnson; Kumudini M Meepagala; Daniel Cook; Joanna Bajsa
Is (-)-catechin a novel weapon of spotted knapweed (Centaurea stoebe)?
Journal of chemical ecology 2009;35(2):141-53.
2009: Masanori Morimoto; Charles L Cantrell; Lynn Libous-Bailey; Stephen O Duke
Phytotoxicity of constituents of glandular trichomes and the leaf surface of camphorweed, Heterotheca subaxillaris.
Phytochemistry 2009;70(1):69-74.
2008: Charles L Cantrell; Bethany P Case; E Edward Mena; Toby M Kniffin; Stephen O Duke; David E Wedge
Isolation and identification of antifungal fatty acids from the basidiomycete Gomphus floccosus.
Journal of agricultural and food chemistry 2008;56(13):5062-8.
2008: Stephen O Duke; Stephen B Powles
Glyphosate: a once-in-a-century herbicide.
Pest management science 2008;64(4):319-25.
2008: Krishna N Reddy; Agnes M Rimando; Stephen O Duke; Vijay K Nandula
Aminomethylphosphonic acid accumulation in plant species treated with glyphosate.
Journal of agricultural and food chemistry 2008;56(6):2125-30.
2008: Scott R Baerson; Franck E Dayan; Agnes M Rimando; N P Dhammika Nanayakkara; Chang-Jun Liu; Joachim Schröder; Mark Fishbein; Zhiqiang Pan; Isabelle A Kagan; Lee H Pratt; Marie-Michèle Cordonnier-Pratt; Stephen O Duke
A functional genomics investigation of allelochemical biosynthesis in Sorghum bicolor root hairs.
The Journal of biological chemistry 2008;283(6):3231-47.
2008: Zhiqiang Pan; Ameeta K Agarwal; Tao Xu; Qin Feng; Scott R Baerson; Stephen O Duke; Agnes M Rimando
Identification of molecular pathways affected by pterostilbene, a natural dimethylether analog of resveratrol.
BMC medical genomics 2008;1():7.
2007: Charles L Cantrell; Stephen O Duke; Frank R Fronczek; Weste L A Osbrink; Leonid K Mamonov; Juriy I Vassilyev; David E Wedge; Franck E Dayan
Phytotoxic Eremophilanes from Ligularia macrophylla.
Journal of agricultural and food chemistry 2007;55(26):10656-63.
2007: Stephen O Duke
The emergence of grass root chemical ecology.
Proceedings of the National Academy of Sciences of the United States of America 2007;104(43):16729-30.
2007: Joanna Bajsa; Kshipra Singh; Dhammika Nanayakkara; Stephen O Duke; Agnes M Rimando; Antonio Evidente; Babu L Tekwani
A survey of synthetic and natural phytotoxic compounds and phytoalexins as potential antimalarial compounds.
Biological & pharmaceutical bulletin 2007;30(9):1740-4.
2007: Franck E Dayan; Stephen O Duke; Audrey Sauldubois; Nidhi Singh; Christopher McCurdy; Charles L Cantrell
p-Hydroxyphenylpyruvate dioxygenase is a herbicidal target site for beta-triketones from Leptospermum scoparium.
Phytochemistry 2007;68(14):2004-14.
2007: Vijay K Nandula; Krishna N Reddy; Agnes M Rimando; Stephen O Duke; Daniel H Poston
Glyphosate-resistant and -susceptible soybean (Glycine max) and canola (Brassica napus) dose response and metabolism relationships with glyphosate.
Journal of agricultural and food chemistry 2007;55(9):3540-5.
2007: Zhiqiang Pan; Agnes M Rimando; Scott R Baerson; Mark Fishbein; Stephen O Duke
Functional characterization of desaturases involved in the formation of the terminal double bond of an unusual 16:3Delta(9,12,150) fatty acid isolated from Sorghum bicolor root hairs.
The Journal of biological chemistry 2007;282(7):4326-35.
2006: Nikolas Fokialakis; Eleftherios Kalpoutzakis; Babu L Tekwani; Alexios-Leandros Skaltsounis; Stephen O Duke
Antileishmanial activity of natural diterpenes from Cistus sp. and semisynthetic derivatives thereof.
Biological & pharmaceutical bulletin 2006;29(8):1775-8.
2006: Jeffrey A Diers; John J Bowling; Stephen O Duke; Subagus Wahyuono; Michelle Kelly; Mark T Hamann
Zebra mussel antifouling activity of the marine natural product aaptamine and analogs.
Marine biotechnology (New York, N.Y.) 2006;8(4):366-72.
2006: Nikolas Fokialakis; Charles L Cantrell; Stephen O Duke; Alexios-Leandros Skaltsounis; David E Wedge
Antifungal activity of thiophenes from Echinops ritro.
Journal of agricultural and food chemistry 2006;54(5):1651-5.
2005: Kumudini M Meepagala; Kevin K Schrader; David E Wedge; Stephen O Duke
Algicidal and antifungal compounds from the roots of Ruta graveolens and synthesis of their analogs.
Phytochemistry 2005;66(22):2689-95.
2005: Charles L Cantrell; Jerome A Klun; C T Bryson; Mozaina Kobaisy; Stephen O Duke
Isolation and identification of mosquito bite deterrent terpenoids from leaves of American (Callicarpa americana) and Japanese (Callicarpa japonica) beautyberry.
Journal of agricultural and food chemistry 2005;53(15):5948-53.
2005: Kumudini M Meepagala; George Sturtz; David E Wedge; Kevin K Schrader; Stephen O Duke
Phytotoxic and antifungal compounds from two Apiaceae species, Lomatium californicum and Ligusticum hultenii, rich sources of Z-ligustilide and apiol, respectively.
Journal of chemical ecology 2005;31(7):1567-78.
2005: Scott R Baerson; Adela Sánchez-Moreiras; Nuria Pedrol-Bonjoch; Margot Schulz; Isabelle A Kagan; Ameeta K Agarwal; Manuel J Reigosa; Stephen O Duke
Detoxification and transcriptome response in Arabidopsis seedlings exposed to the allelochemical benzoxazolin-2(3H)-one.
The Journal of biological chemistry 2005;280(23):21867-81.
2005: Joanne G Romagni; Stephen O Duke; Franck E Dayan
Inhibition of plant asparagine synthetase by monoterpene cineoles.
Plant physiology 2005;137(4):1487.
2004: Jeffrey A Diers; Hari Kishore Pennaka; Jiangnan Peng; John J Bowling; Stephen O Duke; Mark T Hamann
Structural activity relationship studies of zebra mussel antifouling and antimicrobial agents from verongid sponges.
Journal of natural products 2004;67(12):2117-20.
2004: Albrecht Michel; Renée S Arias; Brian E Scheffler; Stephen O Duke; Michael Netherland; Franck E Dayan
Somatic mutation-mediated evolution of herbicide resistance in the nonindigenous invasive plant hydrilla (Hydrilla verticillata).
Molecular ecology 2004;13(10):3229-37.
2004: Krishna N Reddy; Agnes M Rimando; Stephen O Duke
Aminomethylphosphonic acid, a metabolite of glyphosate, causes injury in glyphosate-treated, glyphosate-resistant soybean.
Journal of agricultural and food chemistry 2004;52(16):5139-43.
2004: Amber L Hale; Kumudini M Meepagala; Anna Oliva; Giovanni Aliotta; Stephen O Duke
Phytotoxins from the leaves of Ruta graveolens.
Journal of agricultural and food chemistry 2004;52(11):3345-9.
2004: Kumudini M Meepagala; George Sturtz; Charles C Mischke; David Wise; Stephen O Duke
Molluscicidal activity of vulgarone B against ram's horn snail (Planorbella trivolvis).
Pest management science 2004;60(5):479-82.
2004: Albrecht Michel; Robert D Johnson; Stephen O Duke; Brian E Scheffler
Dose-response relationships between herbicides with different modes of action and growth of Lemna paucicostata: an improved ecotoxicological method.
Environmental toxicology and chemistry / SETAC 2004;23(4):1074-9.
2003: Cecile Bertin; Rex N Paul; Stephen O Duke; Leslie A Weston
Laboratory assessment of the allelopathic effects of fine leaf fescues.
Journal of chemical ecology 2003;29(8):1919-37.
2003: Stephen O Duke; Scott R Baerson; Franck E Dayan; Agnes M Rimando; Brian E Scheffler; Mario R Tellez; David E Wedge; Kevin K Schrader; David H Akey; Frank H Arthur; Anthony J De Lucca; Donna M Gibson; Howard F Harrison; Joseph K Peterson; David R Gealy; Thomas Tworkoski; Charles L Wilson; J Brad Morris
United States Department of Agriculture-Agricultural Research Service research on natural products for pest management.
Pest management science 2003;59(6-7):708-17.
2003: Stephen O Duke
Weeding with transgenes.
Trends in biotechnology 2003;21(5):192-5.
2003: Anna Oliva; Kumudini M Meepagala; David E Wedge; Dewayne Harries; Amber L Hale; Giovanni Aliotta; Stephen O Duke
Natural fungicides from Ruta graveolens L. leaves, including a new quinolone alkaloid.
Journal of agricultural and food chemistry 2003;51(4):890-6.
2003: Stephen O Duke; Agnes M Rimando; Patrick F Pace; Krishna N Reddy; Reid J Smeda
Isoflavone, glyphosate, and aminomethylphosphonic acid levels in seeds of glyphosate-treated, glyphosate-resistant soybean.
Journal of agricultural and food chemistry 2003;51(1):340-4.
2002: Mozaina Kobaisy; Mario R Tellez; Franck E Dayan; Stephen O Duke
Phytotoxicity and volatile constituents from leaves of Callicarpa japonica Thunb.
Phytochemistry 2002;61(1):37-40.
2002: Franck E Dayan; Agnes M Rimando; Mario R Tellez; Brian E Scheffler; Thibaut Roy; Hamed K Abbas; Stephen O Duke
Bioactivation of the fungal phytotoxin 2,5-anhydro-D-glucitol by glycolytic enzymes is an essential component of its mechanism of action.
Zeitschrift für Naturforschung. C, Journal of biosciences 2002;57(7-8):645-53.
2002: Agnes M Rimando; Muriel Cuendet; Cristian Desmarchelier; Rajendra Mehta; John M Pezzuto; Stephen O Duke
Cancer chemopreventive and antioxidant activities of pterostilbene, a naturally occurring analogue of resveratrol.
Journal of agricultural and food chemistry 2002;50(12):3453-7.
2002: Giovanni Meazza; Brian E Scheffler; Mario R Tellez; Agnes M Rimando; Joanne G Romagni; Stephen O Duke; Dhammika Nanayakkara; Ikhlas A Khan; Ehab A Abourashed; Franck E Dayan
The inhibitory activity of natural products on plant p-hydroxyphenylpyruvate dioxygenase.
Phytochemistry 2002;60(3):281-8.
2001: Franck E Dayan; Giovanni Meazza; F Bettarini; E Signorini; P Piccardi; Joanne G Romagni; Stephen O Duke
Synthesis, herbicidal activity, and mode of action of IR 5790.
Journal of agricultural and food chemistry 2001;49(5):2302-7.
2000: Franck E Dayan; A C Vincent; Joanne G Romagni; S N Allen; Stephen O Duke; M V Duke; John J Bowling; Jordan K Zjawiony
Amino- and urea-substituted thiazoles inhibit photosynthetic electron transfer.
Journal of agricultural and food chemistry 2000;48(8):3689-93.
2000: Mario R Tellez; Franck E Dayan; Kevin K Schrader; David E Wedge; Stephen O Duke
Composition and some biological activities of the essential oil of Callicarpa americana (L.).
Journal of agricultural and food chemistry 2000;48(7):3008-12.
2000: Joanne G Romagni; Stephen O Duke; Franck E Dayan
Inhibition of plant asparagine synthetase by monoterpene cineoles.
Plant physiology 2000;123(2):725-32.
1999: NJ Jacobs; Harriet G Kruszyna; J S Hier; Franck E Dayan; Stephen O Duke; F Pont; F P Montforts
Glutathione-dependent oxidative modification of protoporphyrin and other dicarboxylic porphyrins by mammalian and plant peroxidases.
Biochemical and biophysical research communications 1999;259(1):195-200.
1999: Franck E Dayan; Agnes M Rimando; Stephen O Duke; NJ Jacobs
Thiol-dependent degradation of protoporphyrin IX by plant peroxidases.
FEBS letters 1999;444(2-3):227-30.
1998: Agnes M Rimando; Franck E Dayan; M A Czarnota; Leslie A Weston; Stephen O Duke
A new photosystem II electron transfer inhibitor from Sorghum bicolor.
Journal of natural products 1998;61(7):927-30.
1998: Kevin K Schrader; M Q de Regt; P R Tidwell; C S Tucker; Stephen O Duke
Selective growth inhibition of the musty-odor producing cyanobacterium Oscillatoria cf. chalybea by natural compounds.
Bulletin of environmental contamination and toxicology 1998;60(4):651-8.
1998: Franck E Dayan; Stephen O Duke; V Faibis; Judith M Jacobs; NJ Jacobs
Horseradish peroxidase-dependent oxidation of deuteroporphyrin IX into chlorins.
Archives of biochemistry and biophysics 1998;351(1):27-34.
1996: Judith M Jacobs; N J Jacobs; C B Kuhn; Nadia Gorman; Franck E Dayan; Stephen O Duke; Jacqueline F Sinclair; Peter R Sinclair
Oxidation of porphyrinogens by horseradish peroxidase and formation of a green pyrrole pigment.
Biochemical and biophysical research communications 1996;227(1):195-9.
1991: T D Sherman; J M Becerril; H Matsumoto; M V Duke; J M Jacobs; NJ Jacobs; Stephen O Duke
Physiological basis for differential sensitivities of plant species to protoporphyrinogen oxidase-inhibiting herbicides.
Plant physiology 1991;97(1):280-7.
1991: Judith M Jacobs; NJ Jacobs; T D Sherman; Stephen O Duke
Effect of diphenyl ether herbicides on oxidation of protoporphyrinogen to protoporphyrin in organellar and plasma membrane enriched fractions of barley.
Plant physiology 1991;97(1):197-203.
1989: J M Becerril; Stephen O Duke
Protoporphyrin IX Content Correlates with Activity of Photobleaching Herbicides.
Plant physiology 1989;90(3):1175-81.
1986: Stephen O Duke; W H Kenyon
Photosynthesis Is Not Involved in the Mechanism of Action of Acifluorfen in Cucumber (Cucumis sativus L.).
Plant physiology 1986;81(3):882-8.
1985: W H Kenyon; Stephen O Duke
Effects of Acifluorfen on Endogenous Antioxidants and Protective Enzymes in Cucumber (Cucumis sativus L.) Cotyledons.
Plant physiology 1985;79(3):862-6.
1978: D T Patterson; Stephen O Duke; R E Hoagland
Effects of Irradiance during Growth on Adaptive Photosynthetic Characteristics of Velvetleaf and Cotton.
Plant physiology 1978;61(3):402-5.
1977: Stephen O Duke; G H Egley; B J Reger
Model for variable light sensitivity in imbibed dark-dormant seeds.
Plant physiology 1977;59(2):244-9.