Hometop nav spacerAbout ARStop nav spacerHelptop nav spacerContact Ustop nav spacerEn Espanoltop nav spacer
Printable VersionPrintable Version     E-mail this pageE-mail this page
United States Department of Agriculture Agricultural Research Service
Search
 
 
 
Educational Resources
Outreach Activities
National Agricultural Library
Archives
Publications
Manuscripts (TEKTRAN)
Software
Datasets
Freedom of Information Act and Privacy Act Reference Guide
 
You are here: Products & Services /

TEKTRAN
The ARS Manuscripts Database
Search What is TEKTRAN Browse The Latest
Secondary Compounds & Microorganisms
item Biobased product research at the National Center for Agricultural Utilization Research (Aug 2013)
item Comparison of pelletized biochar derived from two source materials as replacements for peat in potting substrates (Jun 2013)
item Genome-wide analysis of the Zn(II)2Cys6 zinc cluster-encoding gene family in Aspergillus flavus (Jun 2013)
item Testing the efficacy of eGFP-transformed Aspergillus flavus as biocontrol strains (Apr 2013)
item Synthesis of pterostilbene by Julie Olefination (Apr 2013)
item Yerba mate tea and mate saponins prevented azoxymethane-induced inflammation of rat colon through suppression of NF-kB p65ser^311^ signaling via IkB-a and GSK-3ß reduced phosphorylation (Mar 2013)
item Distillation time effect on lavender essential oil yield and composition (Mar 2013)
item Preparation of reversed phase chromatorotors and development of methods for centrifugal preparative chromatography (Mar 2013)
item Biofloc technology production systems reduce common preharvest off-flavors in channel catfish (Mar 2013)
item Pterostilbene acts through metastasis-associated protein 1 to inhibit tumor progression and metastasis in prostate cancer (Mar 2013)
item Neiella marinum gen. nov., sp. nov., isolated from sea cucumber (Mar 2013)
item Sorghum allelopathy – from ecosystem to molecule (Feb 2013)
item Insecticidal and biting deterrent activity of rose-scented geranium (Pelargonium spp.) essential oils and individual compounds against Stephanitis pyrioides and Aedes aegypti (Feb 2013)
item Profiling primaquine metabolites in primary human hepatocytes by UPLC-QTOF-MS with 13c stable isotope labeling (Feb 2013)
item Anti-cancer scopes and associated mechanisms of Scutellaria extract and flavonoid wogonin (Feb 2013)
item Omics methods for probing the mode of action of natural phytotoxins (Jan 2013)
item Ungeremine and its hemisynthetic analogues as bactericides against Flavobacterium columnare (Jan 2013)
item Simultaneous determination and characterization of tannins and triterpene saponins from the fruits of various species of terminalia and phyllantus emblica using UPLC-UV-MS method: application to triphala (Jan 2013)
item Efficacy of a granular formulation containing Metarhizium brunneum F52 (Hypocreales: Clavicipitaceae) microsclerotia against nymphs of the black-legged tick, Ixodes scapularis Say (Acari: Ixoididae) (Jan 2013)
item Composition, mosquito larvicidal, biting deterrent and antifungal activity of essential oils of different plant parts of Cupressus arizonica var. glabra (Carolina Sapphire) (Jan 2013)
item In planta mechanism of action of leptospermone: impact of its physico-chemical properties on uptake, translocation, and metabolism (Jan 2013)
item In vitro comparisons of the inhibitory activity of florfenicol copper sulfate and potassium permanganate towards Aeromonas hydrophila and Flavobacterium columnare (Jan 2013)
item Genomic analysis and secondary metabolite production in Bacillus amyloliquefaciens AS 43.3: a biocontrol antagonist of fusarium head blight (Jan 2013)
item Topical wound healing effect and phytochemical composition of heartwood essensial oils of Juniperus virginiana L., J. occidentalis Hook and J. ashei J. Buchholz (Jan 2013)
item Physical and mechanical properties of extruded poly(lactic acid)-based Paulownia elongata biocomposites (Dec 2012)
item Aspergillus flavus genetics and genomics in solving mycotoxin contamination of food and feed (Dec 2012)
item Podophyllotoxin concentration in Junipers in the Big Horn Mountains in Wyoming (Dec 2012)
item The two genome sequence release and blast server construction for aflatoxin-producing L and S strains Aspergillus parasiticus and A. flavus (Nov 2012)
item Comparative study of three Plumbago L. species (Plumbaginaceae) by microscopy, UPLC–UV and HPTLC analyses (Nov 2012)
item Captive bubble and sessile drop surface characterization of a submerged aquatic plant, Hydrilla verticillata (Nov 2012)
item Biobased alternatives to guar gum as tackifiers for hydromulch (Nov 2012)
item Mechanical and thermal properties of high density polyethylene – dried distillers grains with solubles composites (Nov 2012)
item Mathematic modeling for optimum conditions on aflatoxin B1 degradation by the aerobic bacterium Rhodococcus erythropolis (Nov 2012)
item Fall frosts effects on the essential oil of “Native” spearmint in Wyoming (Nov 2012)
item Simultaneous determination of sesquiterpenes and pyrrolizidine alkaloids from the rhizomes of petasites hybridus (L.) G.M. et Sch. and dietary supplements using UPLC-UV and LC-TOF methods (Nov 2012)
item Current understanding on aflatoxin biosynthesis and future perspective in reducing aflatoxin contamination (Oct 2012)
item Oligofructans content and yield of yacon (Smallanthus sonchifolius) cultivated in Mississippi (Oct 2012)
item Antifungal activity of extracts from endophytic fungi associated with Smallanthus maintained in vitro as autotrophic cultures and as pot plants in the greenhouse (Oct 2012)
item Pentacyclic ingamine-type alkaloids, a new antiplasmodial pharmacophore from the marine sponge petrosid Ng5 Sp5 (Oct 2012)
item Antifungal, misquito deterrent, and larvicidal activity of N-(benzylidene)-3-cyclohexylpropionic acid hydrazide derivatives (Oct 2012)
item Isolation and identification of flavobacterium columnare and Steptococcus iniae antibacterial compounds from the terrestrial plant Atraphaxis laetevirens (Oct 2012)
item Evaluation of a modified Ph-shift process to reduce 2-methylisoborneol and geosmin in spiked catfish and produce a consumer acceptable fried catfish nugget-like product (Oct 2012)
item Phytotoxic furanocoumarins from the shoots of Semenovia transiliensis Regel & Herder (Oct 2012)
item Antiparasitic and anticancer carvotacetone derivatives of Sphaeranthus bullatus (Sep 2012)
item Glyphosate effects on plant mineral nutrition, crop rhizosphere microbiota, and plant disease in glyphosate-resistant crops (Sep 2012)
item Evaluation of alternatives to guar gum as tackifiers for hydromulch and as clumping agents for biodegradable cat litter (Sep 2012)
item Microbial metabolism Part 14 Isolation and bioactivity evaluation of microbial metabolites of resveratrol (Sep 2012)
item Toxigenic Aspergillus flavus and other fungi of public health concern in food and organic matter in southwest Nigeria (Sep 2012)
item Glycerol citrate polyesters produced through microwave heating (Sep 2012)
item Bioconversion of 7-hydroxyflavanone: isolation, characterization and bioactivity evaluation of twenty-one phase I and phase II microbial metaboites (Sep 2012)
item Quantitative determination of alkaloids from roots of Hydrastis canadensis L. and dietary supplements using UPLC-UV-MS (Sep 2012)
item Regiospecific cytochrome P450-catalyzed nitration of L-tryptophan in thaxtomin phytotoxin biosynthesis (Sep 2012)
item Efficacy and environmental persistence of nootkatone for the control of the blacklegged tick, Ixodes scapularis (Acari: Ixodidae) in the residential landscape (Sep 2012)
item Deletion of the Aspergillus flavus orthologue of A. nidulans fluG reduces conidiation and promotes production of sclerotia but does not abolish aflatoxin biosynthesis (Aug 2012)
item An investigation of the vegetative anatomy of Piper sarmentosum, and a comparison with the anatomy of Piper betle (Piperaceae) (Aug 2012)
item Progress towards rapid identification of phytochemicals in plant extracts (Aug 2012)
item Scutellaria: traditional uses, medicinal properties, biotechnology and potential as a commercial crop (Aug 2012)
item Diversity and biological activities of endophytic fungi associated with micropropagated medicinal plant Echinacea purpurea (L.) Moench (Aug 2012)
item ESPS gene amplification endows resistance to glyphosate in Italian ryegrass (Lolium perene ssp multiflorum) from Arkansas, USA (Jul 2012)
item Optimized analysis and quantification of glucosinolates from Camelina sativa seeds by reversed-phase liquid chromatography (Jul 2012)
item Design synthesis and evaluation of the inhibitory selectivity of novel trans-resveratrol analogues on human recombinant CYP1A1 CYP1A2 and CYP1B1 (Jul 2012)
item Serviceberry [Amerlanchier alnifolia (Nutt.) Nutt. ex. M. Roem(Rosaceae)] leaf exhibits mammalian alpha glucosidase activity and suppresses postprandial glycemic response in a mouse model of diet induced obesity/hyperglycemia (Jul 2012)
item Fatty acid analysis of saw palmetto (Serenoa repens) and pygeum (Prunus africanum) in dietary supplements by mass spectrometry in the selected ion monitoring mode (Jul 2012)
item Camelina meal increases egg n-3 fatty acid content without altering egg quality or production in laying hens (Jul 2012)
item Rosmarinic acid content in antidiabetic aqueous extract of Ocimum canum Sims grown in Ghana (Jul 2012)
item Molecular analysis of the glutamate decarboxylase locus in Streptococcus thermophilus ST110 (Jul 2012)
item Simulated acid rain alters litter decomposition and enhances the allelopathic potential of the invasive plant Wedelia trilobata (Creeping Daisy) (Jul 2012)
item Evaluation of off-flavor in pond-raised channel catfish following partial crop harvest (Jun 2012)
item Effects of glyphosate on mineral content of glyphosate-resistant soybeans (Glycine max) (Jun 2012)
item Natural products as sources for new pesticides (Jun 2012)
item A potential plant-derived antifungal acetylenic acid mediates its activity by interfering with fatty acid homeostasis (Jun 2012)
item Molecular analysis of the bacteriocin-encoding plasmid pDGL1 from Enterococcus durans and genetic characterization of the durancin locus (Jun 2012)
item Bioassay-directed isolation and identification of phytotoxic and fungitoxic acetylenes from Conyza canadensis (May 2012)
item Modification of yield and composition of essential oils by distillation time (May 2012)
item Antifungal cyclic peptides from the marine sponge Microscleroderma herdmani (May 2012)
item Antifungal activity of juniper extracts (May 2012)
item Antiprotozoal and antimicrobial compounds from the plant pathogen Septoria pistaciarum (Apr 2012)
item Simultaneous determination of the absolute configuration of twelve monosaccharide enantiomers from natural products in a single injection by UPLC-UV/MS method (Apr 2012)
item Minimizing the chaos following the loss of article 59: suggestions for a necessary discussion (Apr 2012)
item Antimicrobial and antiparastic abietane diterpenoids from Cupressus sempervirens (Apr 2012)
item Preservation of entomopathogenic fungal cultures (Apr 2012)
item Mortality of Blapstinus spp. beetles exposed to various formulations of entomopathogenic fungi (Mar 2012)
item Exploring the molecular basis of antifungal synergies using genome-wide approaches (Mar 2012)
item The “omics” approach for solving the pre-harvest aflatoxin contamination problem: understanding the genomics and metabolomics of the fungus and proteomics of the affected corn crop (Mar 2012)
item Biotechnology-derived products for insect pest control (Mar 2012)
item Pressurized solvent extraction of pure food grade starch (Mar 2012)
item Microscopic and UPLC-UV-MS analyses of authentic and commercial yohimbe (Pausinystalia johimbe) bark samples (Mar 2012)
item Hydrophobin genes of the entomopathogenic fungus, Metarhizium brunneum, are differentially expressed and corresponding mutants are decreased in virulence (Mar 2012)
item Occurrence of pathogenic fungi to Amblyomma cajennense in a rural area of central Brazil and their activities against vectors of Rocky Mountain spotted fever (Mar 2012)
item Quantitative determination of curcuminoids from the Roots of Curcuma longa, Curcuma species and dietary supplements using an UPLC-UV-MS method (Mar 2012)
item Vector-mediated chromosomal integration of the glutamate decarboxylase gene in streptococcus thermophilus (Mar 2012)
item Development of phytoplankton communities and common off-flavors in a biofloc technology system used to culture channel catfish Ictalurus punctatus (Feb 2012)
item Genetic basis of destruxin production in the entomopathogen Metarhizium robertsii (Feb 2012)
item One-step multiple component isolation from the oil of Crinitaria tatarica (Less) Sojak by preparative capillary gas chromatography with characterization by spectroscopic and spectrometric techniques (Feb 2012)
item One-step multiple component isolation from the oil of Crinitaria tatarica (Less.) Sojak. by preparative capillary GC with characterization by spectroscopic and spectrometric techniques and evaluation of biological activity (Feb 2012)
item Laboratory and field evaluations for efficacy of a fast-killing baculovirus isolate from Spodoptera frugiperda (Feb 2012)
item Properties of durancin GL, a new antilisterial bacteriocin produced by Enterococcus durans 41D (Feb 2012)
item Metacridamides A and B, bioactive macrocycles from conidia of the entomopathogenic fungus Metarhizium acridum (Jan 2012)
item Chlorophyll fluorescence as a marker for herbicide mechanisms of action (Jan 2012)
item Occurrence of Metarhizium spp in central Brazilian soils (Jan 2012)
item Identification of genetic defects in the atoxigenic biocontrol strain Aspergillus flavus K49 reveals the presence of a competitive recombinant group in field populations (Jan 2012)
item Dissolved oxygen levels affect dimorphic growth by the entomopathogenic fungus Isaria fumosorosea (Jan 2012)
item Rationale for a natural products approach to herbicide discovery (Jan 2012)
item Validation of serine-threonine protein phosphatase as the herbicide target site of endothall (Jan 2012)
item Evaluation of geosmin and 2-methylisoborneol off-flavor in smoked rainbow trout fillets by instrumental and sensory analyses (Jan 2012)
item Why are there no new herbicide modes of action in recent years (Jan 2012)
item Why are there no new herbicide modes of action in recent years (Jan 2012)
item Chlorogenic acid levels in leaves of coffee plants supplied with silicon and infected by Hemileia vastatrix (Dec 2011)
item Tabanone a new phytotoxic constituent of cogongrass (Imperta culindrica) (Dec 2011)
item Antifungal compounds from Piper species (Dec 2011)
item Purification of glucosinolates from Camelina sativa seeds (Dec 2011)
item Comparison of concentration pulse and tracer pulse chromatography: experimental determination of eluent uptake by bridged-ethylene hybrid ultra high performance liquid chromatography packings (Dec 2011)
item Stimulation of short-term plant growth by glycerol applied as foliar sprays and drenches under greenhouse conditions (Dec 2011)
item Manuka oil a natural herbicide with preemergence activity (Dec 2011)
item Synthesis and biological activity of hydrazide hydrazones and their corresponding 3-acetyl-2,5-disubstituted-2,3-dihydro-1,3,4-oxadiazoles (Nov 2011)
item Evaluation of the toxicity of Streptomyces aburaviensis (R9) towards various agricultural pests (Nov 2011)
item Evaluation of free radical-generating compounds for toxicity towards the cyanobacterium Planktothrix perornata which causes musty off-flavor in pond-raised channel catfish (Ictalurus punctatus) (Nov 2011)
item Development of phytoplankton communities and common off-flavors in a biofloc technology system used for the culture of channel catfish (Ictalurus punctatus) (Nov 2011)
item A formulation to encapusulate nootkatone oil for tick control (Nov 2011)
item Echinopsacetylenes A and B, new thiophenes from Echinops transiliensis (Nov 2011)
item Scutellaria flavonoids inhibit tumor-mediated induction of Treg cells via inhibition of TGF-ß1 activity (Nov 2011)
item Instrumental physical analysis of microwaved glycerol citrate foams (Oct 2011)
item Epigenetic events associated with breast cancer and their prevention by dietary components targeting the epigenome (Oct 2011)
item Epigenetic events associated with breast cancer and their prevention by dietary components targeting the epigenome (Oct 2011)
item What can Aspergillus flavus genome offer for mycotoxin research? (Oct 2011)
item Low-dose pterostilbene but not resveratrol is a potent neuromodulator in aging and Alzheimer’s Disease (Oct 2011)
item Batkoa apiculata (Thaxter) Humber affecting Anopheles (Diptera: Culicidae) in the municipality of Una, Southern Bahia, Brazil (Oct 2011)
item Serine/threonine protein phosphatases: multi-purpose enzymes in control of defense mechanisms (Oct 2011)
item Sampangine inhibits heme biosynthesis in both yeast and human (Sep 2011)
item Formulation of a biodegradable, odor-reducing cat litter from solvent-extracted corn dried distillers grain (Sep 2011)
item Synthesis and antifungal activity of natural product-based 6-alkyl-2 3 4 5-tetrahydropyridines (Sep 2011)
item The population dynamics of aflatoxigenic aspergilli (Sep 2011)
item Aflatoxin biosynthetic pathway and pathway genes (Sep 2011)
item Taste threshold of Panax ginseng (C.A. Meyer) (Sep 2011)
item Chemical fingerprint analysis and quantitative determination of pregnanes from aerial parts of caralluma species using HPLC-UV and identification by LC-ESI-TOF (Sep 2011)
item Biotechnology and derived products (Aug 2011)
item Microbial metabolism part 13 metabolites of hesperetin (Aug 2011)
item Isolation of bacteriocin-producing staphylococci from Brazilian cheese (Aug 2011)
item Rosmarinic acid content in antidiabetic aqueous extract from ocimum canum sims in Ghana (Jul 2011)
item Metacridamides A and B from the biocontrol fungus metarhizium acridum (Jul 2011)
item Use of real-time O2 concentration measurements in shake-flask fermentations of the bioinsecticidal fungus Isaria fumosorosea for improved yields of blastospores (Jul 2011)
item Tight control of mycotoxin biosynthesis gene expression in Aspergillus flavus by temperature as revealed by RNA-seq (Jul 2011)
item Potential uses for cuphea oil processing byproducts and processed oils (Jul 2011)
item Identification of the mosquito biting deterrent constituents from the Indian folk remedy plant Jatropha curcas (Jul 2011)
item Common off-flavors in pond-raised channel catfish Ictalurus punctatus following partial crop harvest (Jul 2011)
item Bioactives derived from ripe corn tassels: a possible new natural skin whitener, 4-hydroxy-1-oxindole-3-acetic acid (Jul 2011)
item Heterologous production of pediocin for the control of Listeria monocytogenes in dairy foods (Jul 2011)
item Potential utility of natural products as regulators of breast cancer-assoicated aromatase promoters (Jun 2011)
item Plant pathogens as a source of diverse enzymes for lignocellulose digestion (Jun 2011)
item Dicaffeoylquinic acids in Yerba mate (Ilex paraguariensis St. Hilaire) inhibit NF-kB nucleus translocation in macrophages and induce apoptosis by activating caspases-8 and -3 in human colon cancer cells (Jun 2011)
item Quantitative determination of triterpene saponins and alkenated-phenolics from Labisia pumila using LC-UV/ELSD method and confirmation by LC-ESI-TOF (May 2011)
item Quantitative determination of triperpene saponins and alkenated-phenolics from Labisia pumila using LC-UV/ELSD method and confirmation by LC-ESI-TOF (May 2011)
item Juniperus extraction: a comparison of species and solvents (May 2011)
item Activity of lycorine analogs against the fish bacterial pathogen Flavobacterium columnare (Apr 2011)
item Formulation of a biodegradable, odor-reducing cat litter from solvent-extracted corn dried distillers grain (Apr 2011)
item Microbial metabolism Part 12 isolation characterization and bioactivity evaluation of eighteen microbial metabolites of 4'-hydroxyflavanone (Mar 2011)
item Continuous hydrolysis of Cuphea seed oil in subcritical water (Mar 2011)
item Lemongrass productivity oil content and composition as a function of nitrogen sulfur and harvest time (Mar 2011)
item Natural product-based 6-hydroxy-2 3 4 6-tetrahydropyrrolo[1 2-a]pyrimidinium Scaffold as a new antifungal template (Mar 2011)
item An in vivo transcriptome for entomopathogenic fungus Metarhizium robertsii ARSEF 2575 (Mar 2011)
item NRPS4 is responsible for the biosynthesis of destruxins in Metarhizium robertsii ARSEF 2575 (Mar 2011)
item Synthesis of (-)-callicarpenal a natural arthropod-repellent terpenoid (Mar 2011)
item Rapid analysis of lignans from leaves of Podophyllum peltatum l. samples using UPLC-UV-MS (Mar 2011)
item Rapid analysis of lignans from leaves of Podophyllum peltatum L samples using UPLC-UV-MS (Mar 2011)
item Arsenal of plant cell wall degrading enzymes reflects host preference among plant pathogenic fungi (Feb 2011)
item Extracts of Agave americana inhibit aflatoxin production in Aspergillus parasiticus (Feb 2011)
item Characterization and pharmacological properties of in vitro propagated clones of Echinacea tennesseensis (Beadle) small (Feb 2011)
item Methemoglobinemia caused by 8-aminoquinoline drugs: DFT calculations suggest an analogy to H4B's role in nitric oxide synthase (Jan 2011)
item Supercritical carbon dioxide extraction of cuphea seed oil (Jan 2011)
item Production of antilisterial bacteriocins by staphylococci isolated from bovine milk (Jan 2011)
item Inorganic elemental compositions of commercial multivitamin/mineral dietary supplements: application of collision/reaction cell inductively coupled-mass spectroscopy (Dec 2010)
item Glucosinolate content and nematicidal activity of Brazilian wild mustard tissues against Meloidogyne incognita in tomato (Nov 2010)
item Soy Saponins: Current Research and Future Goals (Oct 2010)
item Scutellaria biotechnology: Achievements and future prospects (Oct 2010)
item A survey of phytotoxic microbial and plant metabolites as potential natural products for pest management (Sep 2010)
item Cover art complementing article: "secondary metabolites from entomopathogenic Hypocrealean fungi" by Istvan Molnar (Sep 2010)
item Ecology, development and gene regulation in Aspergillus flavus (Sep 2010)
item Steroidal saponins from fresh stems of Dracaena angustifolia (Aug 2010)
item Plant Natural Compounds with Antibacterial Activity Towards Common Pathogens of Pond-Cultured Channel Catfish (Ictalurus punctatus) (Jun 2010)
item Bioactive 1 4-Dihydroxy-5-phenyl-2-pyridinone alkaloids from Septoria pistaciarum (Jun 2010)
item Evaluation of ozonation on levels of the off-flavor compounds geosmin and 2-methylisoborneol in water and rainbow trout Oncorhynchus mykiss from water recirculation aquaculture systems (May 2010)
item Cordyceps bassiana and production of stromata in vitro showing Beauveria anamorph in Korea (Mar 2006)
     
Last Modified: 06/18/2013
ARS Home | USDA.gov | Site Map | Policies and Links 
FOIA | Accessibility Statement | Privacy Policy | Nondiscrimination Statement | Information Quality | USA.gov | White House