Research Topics
| Agnes M RimandoSummaryAffiliation: Agricultural Research Service Country: USA Publications
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Detail Information
Publications
The inhibitory activity of natural products on plant p-hydroxyphenylpyruvate dioxygenaseGiovanni Meazza
Isagro Ricerca Srl, via G. Fauser, 4, 28100 Novara, Italy
Phytochemistry 60:281-8. 2002....
Pterostilbene, a new agonist for the peroxisome proliferator-activated receptor alpha-isoform, lowers plasma lipoproteins and cholesterol in hypercholesterolemic hamstersAgnes M Rimando
Natural Products Utilization Research Unit, ARS, U S Department of Agriculture, Mississippi 38677, USA
J Agric Food Chem 53:3403-7. 2005..In vivo studies demonstrate that pterostilbene possesses lipid and glucose lowering effects...
Determination of citrulline in watermelon rindAgnes M Rimando
Natural Products Utilization Research Unit, ARS, US Department of Agriculture, P O Box 8048, University, MS 38677, USA
J Chromatogr A 1078:196-200. 2005..7 mg/g dwt, respectively) but a little less on a fresh weight (fwt) basis (1.3 and 1.9 mg/g fwt, respectively). These results indicate that watermelon rind, an underutilized agricultural waste, offers a source of natural citrulline...
Cancer chemopreventive and antioxidant activities of pterostilbene, a naturally occurring analogue of resveratrolAgnes M Rimando
Natural Products Utilization Research Unit, Agricultural Research Service, U S Department of Agriculture, P O Box 8048, University, Mississippi 38677, USA
J Agric Food Chem 50:3453-7. 2002..8 microM), suggesting antioxidant activity plays an important role in this process...
Resveratrol, pterostilbene, and piceatannol in vaccinium berriesAgnes M Rimando
Natural Products Utilization Research Unit, ARS, U S Department of Agriculture, P O Box 8048, University, Mississippi 38677, Agriculture and Agri Food Canada, Kentville, Nova Scotia B4N 1J5, Canada
J Agric Food Chem 52:4713-9. 2004..These naturally occurring stilbenes, known to be strong antioxidants and to have cancer chemopreventive activities, will add to the purported health benefits derived from the consumption of these small fruits...
PSII inhibitory activity of resorcinolic lipids from Sorghum bicolorAgnes M Rimando
USDA ARS, Natural Products Utilization Research Unit, P O Box 8048, University, Mississippi 38677, USA
J Nat Prod 66:42-5. 2003..20 microM, respectively). Compound 4 could not be enzymatically converted to a quinone, suggesting that the quinone moiety is not required for its photosystem II inhibitory activity. Compounds 5 and 6 are reported for the first time...
Alkylresorcinol synthases expressed in Sorghum bicolor root hairs play an essential role in the biosynthesis of the allelopathic benzoquinone sorgoleoneDaniel Cook
U S Department of Agriculture, Agricultural Research Service, Natural Products Utilization Research Unit, University, Mississippi 38677, USA
Plant Cell 22:867-87. 2010..The sequences of ARS1 and ARS2 were also used to identify several rice (Oryza sativa) genes encoding ARSs, which are likely involved in the production of defense-related alkylresorcinols...
A functional genomics investigation of allelochemical biosynthesis in Sorghum bicolor root hairsScott R Baerson
United States Department of Agriculture, Agricultural Research Service, Natural Products Utilization Research Unit, University, Mississippi 38677, USA
J Biol Chem 283:3231-47. 2008..SbOMT3 is therefore proposed to be involved in the biosynthesis of the allelochemical sorgoleone...
SorgoleoneFranck E Dayan
United States Department of Agriculture, Agricultural Research Service, Natural Products Utilization Research Unit, P O Box 8048, University, MS 38677, USA
Phytochemistry 71:1032-9. 2010..Due to its hydrophobic nature, sorgoleone is strongly sorbed in soil which increases its persistence, but experiments show that it is mineralized by microorganisms over time...
Alkylresorcinol biosynthesis in plants: new insights from an ancient enzyme family?Scott R Baerson
United States Department of Agriculture, Agricultural Research Service, Natural Products Utilization Research Unit, MS, USA
Plant Signal Behav 5:1286-9. 2010....
Phytotoxic activity of quinones and resorcinolic lipid derivativesCassia S Mizuno
Natural Products Utilization Research Unit, Agricultural Research Service, U S Department of Agriculture, University, Mississippi 38677 8048, USA
J Agric Food Chem 58:4353-5. 2010..Of the quinones, 2-hydroxy-5-methoxy-3-pentylcyclohexa-2,5-diene-1,4-dione, having a five-carbon side chain, showed phytotoxic activity similar to that of natural compound sorgoleone...
Aminomethylphosphonic acid, a metabolite of glyphosate, causes injury in glyphosate-treated, glyphosate-resistant soybeanKrishna N Reddy
Southern Weed Science Research Unit, Agricultural Research Service, U S Department of Agriculture, P O Box 350, Stoneville, Mississippi 38776, USA
J Agric Food Chem 52:5139-43. 2004..These results suggest that soybean injury to GR soybean from glyphosate is due to AMPA formed from glyphosate degradation...
Aminomethylphosphonic acid accumulation in plant species treated with glyphosateKrishna N Reddy
Southern Weed Science Research Unit, Agricultural Research Service, U S Department of Agriculture, P O Box 350, Stoneville, Mississippi 38776, USA
J Agric Food Chem 56:2125-30. 2008....
Elucidation of the biosynthetic pathway of the allelochemical sorgoleone using retrobiosynthetic NMR analysisFranck E Dayan
United States Department of Agriculture Agricultural Research Service, Natural Products Utilization Research Unit, University, Mississippi 38677, USA
J Biol Chem 278:28607-11. 2003..The lipid resorcinol intermediate is then methylated by a S-adenosylmethionine-dependent O-methyltransferase and subsequently dihydroxylated by a P450 monooxygenase to yield the reduced form of sorgoleone...
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 hairsZhiqiang Pan
United States Department of Agriculture, Agricultural Research Service, Natural Products Utilization Research Unit, University of Mississippi, University, Mississippi 38677, USA
J Biol Chem 282:4326-35. 2007..Collectively, the present results strongly suggest that these fatty acid desaturases represent key enzymes involved in the biosynthesis of the allelochemical sorgoleone...
Chromatographic separation and in vitro activity of sorgoleone congeners from the roots of sorghum bicolorIsabelle A Kagan
Natural Products Utilization Research Unit, Agricultural Research Service, US Department of Agriculture, University, Mississippi 38677, USA
J Agric Food Chem 51:7589-95. 2003..The abilities of the minor sorgoleones to inhibit PSII were similar to that of the major compound, suggesting that all of these sorgoleone congeners contribute to the overall allelopathy of sorghum...
Anthocyanin-rich açai (Euterpe oleracea Mart.) fruit pulp fractions attenuate inflammatory stress signaling in mouse brain BV-2 microglial cellsShibu M Poulose
Human Nutrition Research Center on Aging at Tufts University, Agricultural Research Service, US Department of Agriculture, Boston, Massachusetts 02111, United States
J Agric Food Chem 60:1084-93. 2012..The current study offers valuable insights into the protective effects of açai pulp fractions on brain cells, which could have implications for improved cognitive and motor functions...
In planta production of the highly potent resveratrol analogue pterostilbene via stilbene synthase and O-methyltransferase co-expressionAgnes M Rimando
Natural Products Utilization Research Unit, Agricultural Research Service, United States Department of Agriculture, University, MS, USA
Plant Biotechnol J 10:269-83. 2012....
United States Department of Agriculture-Agricultural Research Service research on natural products for pest managementStephen O Duke
USDA, ARS, Natural Products Utilization Research Unit, PO Box 8048, University, MS 38677, USA
Pest Manag Sci 59:708-17. 2003..Gene expression profiles in response to fungicides and herbicides are being generated as tools to understand more fully the mode of action and to rapidly determine the molecular target site of new, natural fungicides and herbicides...
Hepatic gene expression related to lower plasma cholesterol in hamsters fed high-fat diets supplemented with blueberry peels and peel extractHyunsook Kim
Processed Foods Research, Western Regional Research Center, Agricultural Research Service, U S Department of Agriculture, Albany, Calfifornia 94710, USA
J Agric Food Chem 58:3984-91. 2010..These data suggest that hepatic modulation of bile acid and cholesterol synthesis primarily contributes to the cholesterol-lowering effect of BB pomace byproducts...
Novel derivatives of 9,10-anthraquinone are selective algicides against the musty-odor cyanobacterium Oscillatoria perornataKevin K Schrader
Natural Products Utilization Research Unit, Agricultural Research Service, U S Department of Agriculture, University of Mississippi, University, Mississippi 38677, USA
Appl Environ Microbiol 69:5319-27. 2003..The half-life of anthraquinone-59 in pond water was determined to be 19 h, making it much less persistent than diuron. Anthraquinone-59 appears to be promising for use as a selective algicide in catfish aquaculture...
Biological/chemopreventive activity of stilbenes and their effect on colon cancerAgnes M Rimando
United States Department of Agriculture, Agricultural Research Service, Natural Products Utilization Research Unit, University, MS, USA
Planta Med 74:1635-43. 2008....
Algicidal activity of stilbene analoguesCassia S Mizuno
Natural Products Utilization Research Unit, Agricultural Research Service, U S Department of Agriculture, P O Box 8048, University, Mississippi 38677 8048, USA
J Agric Food Chem 56:9140-5. 2008..perornata with the lowest observed inhibitory concentration and lowest complete inhibition concentrations of 10 muM. This is the first report on selective stilbene algicidal activity toward a MIB-producing cyanobacteria species...
Differential effects of resveratrol and its naturally occurring methylether analogs on cell cycle and apoptosis in human androgen-responsive LNCaP cancer cellsThomas T Y Wang
Diet, Genomics, and Immunology Laboratory, Beltsville Human Nutrition Research Center, Agricultural Research Service, US Department of Agriculture, Beltsville, MD 20705, USA
Mol Nutr Food Res 54:335-44. 2010..These results provide mechanistic information on how resveratrol and its methylether analogs may act to contribute to potential antiprostate cancer activity...
Synthesis and biological evaluation of retinoid-chalcones as inhibitors of colon cancer cell growthCassia S Mizuno
US Department of Agriculture, Agricultural Research Service, Natural Products Utilization Research Unit, University, MS 38677, USA
Bioorg Med Chem Lett 20:7385-7. 2010..Among the synthesized compounds, the cyano derivative (E)-3-(3-oxo-3-(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydronaphthalen-2-yl)prop-1-enyl)benzonitrile 8 showed submicromolar inhibitory activity with an IC(50) of 0.66 ?M...
Activity of lycorine analogues against the fish bacterial pathogen Flavobacterium columnareCheng Xia Tan
Natural Products Utilization Research Unit, Agricultural Research Service, U S Department of Agriculture, P O Box 8048, University, Mississippi 38677, USA
J Agric Food Chem 59:5977-85. 2011..Compound 18 appears to be the most promising lycorine analogue for future efficacy studies to determine its potential for use as an alternative to the currently used compounds to control columnaris disease in channel catfish...
Design, synthesis, biological evaluation and docking studies of pterostilbene analogs inside PPARalphaCassia S Mizuno
USDA ARS, Natural Products Utilization Research Unit, PO Box 8048, University, MS 38677, United States
Bioorg Med Chem 16:3800-8. 2008..Docking of the stilbenes inside PPARalpha showed the presence of important hydrogen bond interactions for PPARalpha activation...
Bioactivation of the fungal phytotoxin 2,5-anhydro-D-glucitol by glycolytic enzymes is an essential component of its mechanism of actionFranck E Dayan
USDA ARS Natural Products Utilization Research Unit, University, MS 38677, USA
Z Naturforsch C 57:645-53. 2002..solani to produce a fructose analog that is bioactivated by enzymes of the host plant in order to inhibit a major metabolic pathway illustrates the intricate biochemical processes involved in plant-pathogen interactions...
Steam distillation-solid-phase microextraction for the detection of Ephedra sinica in herbal preparationsMari R Tellez
Natural Products Utilization Research Unit, US Department of Agriculture, Agricultural Research Service, Box 8048, Oxford, MS 38677, USA
J Chromatogr A 1025:51-6. 2004..sinica. A total of 46 collections representing 21 species of Ephedra were studied...
Cellular and behavioral effects of stilbene resveratrol analogues: implications for reducing the deleterious effects of agingJames A Joseph
US Department of Agriculture, Agricultural Research Service, Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts 02111, USA
J Agric Food Chem 56:10544-51. 2008..Results indicated that pterostilbene was effective in reversing cognitive behavioral deficits, as well as dopamine release, and working memory was correlated with pterostilbene levels in the hippocampus...
Isoflavone, glyphosate, and aminomethylphosphonic acid levels in seeds of glyphosate-treated, glyphosate-resistant soybeanStephen O Duke
Natural Products Utilization Research Unit, Agricultural Research Service, U S Department of Agriculture, P O Box 8048, University, Mississippi 38677, USA
J Agric Food Chem 51:340-4. 2003..Intermediate levels were found in treatments 1 and 2. Low levels of glyphosate and AMPA were found in treatment 4 and a hand-weeded control, apparently due to herbicide drift...
pH modulation of zopfiellin antifungal activity to Colletotrichum and BotrytisMitsugu Futagawa
Shiraoka Research Station of Biological Science, Nissan Chemical Industries, Ltd, 1470 Shiraoka, Minamisaitama, Saitama 349-0294, Japan
J Agric Food Chem 50:7007-12. 2002..gloeosporioides (IC(80) = 10 microM), and C. fragariae (IC(80) = 10 microM) and intermediate activity against C. acutatum (IC(80) = 30 microM), and was not active against F. oxysporum (IC(80) > 100 microM)...
Evaluation of root exudates of seven sorghum accessionsMark A Czarnota
Department of Horticulture, University of Georgia, Georgia Experiment Station, 1109 Experiment Street, Griffin, Georgia 30223, USA
J Chem Ecol 29:2073-83. 2003..Our past work has shown that several of these compounds have potent phytotoxic activity as photosystem II inhibitors, thereby lending further support to the concept that Sorghum spp. are allelopathic and weed suppressive...
Glyphosate-resistant and -susceptible soybean (Glycine max) and canola (Brassica napus) dose response and metabolism relationships with glyphosateVijay K Nandula
Delta Research and Extension Center, Mississippi State University, P O Box 197, Stoneville, Mississippi 38776, USA
J Agric Food Chem 55:3540-5. 2007..However, the AMPA from glyphosate breakdown could have been metabolized to nonphytotoxic metabolites before causing injury to GR canola. Injury in GR and non-GR canola from exogenous application of AMPA was similar...
Production and secretion of resveratrol in hairy root cultures of peanutFabricio Medina-Bolivar
Arkansas Biosciences Institute and Arkansas State University, P O Box 639, Jonesboro, AR 72467, United States
Phytochemistry 68:1992-2003. 2007....
Pharmacometrics of pterostilbene: preclinical pharmacokinetics and metabolism, anticancer, antiinflammatory, antioxidant and analgesic activityConnie M Remsberg
Department of Pharmaceutical Sciences, College of Pharmacy, Washington State University Pullman, Washington 99164 6534, USA
Phytother Res 22:169-79. 2008..Pterostilbene exhibited concentration-dependent antioxidant capacity measured by the ABTS method. Pterostilbene increased the latency period to response in both tail-flick and hot-plate analgesic tests...
Inhibition of human recombinant cytochromes P450 CYP1A1 and CYP1B1 by trans-resveratrol methyl ethersRenata Mikstacka
Department of Pharmaceutical Biochemistry, University of Medical Sciences, Poznan, Poland
Mol Nutr Food Res 51:517-24. 2007..The results suggest that the trans-resveratrol analogues: pinostilbene, desoxyrhapontigenin and pterostilbene, which occur in some food plants, might be considered as promising chemopreventive agents...
Pterostilbene, an active constituent of blueberries, suppresses aberrant crypt foci formation in the azoxymethane-induced colon carcinogenesis model in ratsNanjoo Suh
Department of Chemical Biology, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, USA
Clin Cancer Res 13:350-5. 2007..Pterostilbene, a naturally occurring stilbene from blueberries, was tested for its preventive activity against colon carcinogenesis...
Pterostilbene is equally potent as resveratrol in inhibiting 12-O-tetradecanoylphorbol-13-acetate activated NFkappaB, AP-1, COX-2, and iNOS in mouse epidermisMichal Cichocki
Department of Pharmaceutical Biochemistry, Poznan University of Medical Sciences, Poznan, Poland
Mol Nutr Food Res 52:S62-70. 2008..Pterostilbene might show higher biological activity due to its possible better bioavailability, since substitution of hydroxy with methoxy group increases lipophilicity...
Natural products and dietary prevention of cancerAgnes M Rimando
Mol Nutr Food Res 52:S5. 2008
