Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 46 for “"deoxynivalenol"”.
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Toxicity and Metabolism of Deoxynivalenol; A Study in Swine, Cattle and Rats
The effects of oral deoxynivalenol (DON) on swine and the elimination pattern of DON and metabolites in lactating dairy cattle were determined. Results led us to the in vitro production of the de-epoxy metabolite of DON, DOM-1 and to metabolism studies using rat and swine hepatic microsomal …
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Strategies to detoxify the mycotoxin deoxynivalenol and improve food safety in the U.S.
… The most important mycotoxin in the U.S. is deoxynivalenol (DON), which causes symptoms such as vomiting, feed refusal, and weight loss in farm animals. The fungus Fusarium graminearum produces DON in staple crops such as wheat, barley, and corn. It is estimated that the economic losses …
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A pilot comparison of first morning versus 24-hour urinary deoxynivalenol in UK adults
Using unpublished data from an original study by Turner et al. (2010a), the relationship between first morning void (FMV) and 24-hour urine collections was examined in UK adults to determine if FMV collections provide a reasonable estimate of DON intake compared to 24-hour collections. The …
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Reduction of the mycotoxin deoxynivalenol in barley ethanol co-products using trichothecene 3-O-acetyltransferases
… a dangerous trichothecene mycotoxin called deoxynivalenol (DON) and causes a devastating disease of barley (Hordeum vulgare L.) called Fusarium head blight (FHB). Food and feed products derived from barley, such as dried distillers grains with solubles (DDGS), may be contaminated with DON …
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Chitosan oligosaccharide: use to control Fusarium head blight and to reduce deoxynivalenol accumulation in wheat grains
Wheat is one of the most important cereal crops worldwide, but several fungal diseases can affect crop yield. Among them, Fusarium head blight (FHB), caused by members of the Fusarium graminearum species complex, is one of the most serious wheat diseases worldwide, resulting in lost ofin yield and …
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Studies on the Pharmacokinetics and Toxicopathy of Diacetoxyscirpenol and Deoxynivalenol in Swine, Cattle, and Dogs (Anguidine, Nsc-141537, Vomitoxin)
… (DAS) at 0.1, 0.5, and 1.0 mg/kg and deoxynivalenol (DON) at 0.5 mg/kg, whereas cattle and dogs were dosed with DAS at 0.5 mg/kg.
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Effects of Rain and Simulated Rain on Deoxynivalenol Levels in Grain and Chaff of Winter Wheat with Fusarium Head Blight
… head blight (FHB) contains the mycotoxin deoxynivalenol (DON) that is harmful to humans and animals. Reducing the amount of DON in grain is the goal of management practices for FHB so it is important to understand the factors affecting DON in grain. Some studies on the effects of …
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The Role of Gastrointestinal Microflora in the Metabolism and Toxicity of Trichothecene Mycotoxins
… T-2 toxin, diacetoxyscirpenol (DAS) and deoxynivalenol (DON) were incubated in vitro under anaerobic conditions with bovine rumen microorganisms. Gas chromatographic and gas chromatography/mass spectrometric analysis of the extracts demonstrated that all three toxins were biotransformed …
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Maize ear rot and associated mycotoxins in western Kenya
… on the farms and markets in Western Kenya. Deoxynivalenol, zearalenone, fumonisin and aflatoxin were detected in samples collected from the farm and markets in the region. T-2 toxin was absent in all samples collected from the region. The levels of deoxynivalenol and zearalenone detected in …
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Effects of chitosan oligosaccharide-amended fungicide treatments on the control of fusarium head blight in wheat
… the accumulation of mycotoxins, especially deoxynivalenol (DON). Current management strategies rely heavily on fungicide applications; however, their effectiveness varies among active ingredients, and overuse may lead to fungicide resistance and environmental concerns. Chitosan …
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Entwicklung flüssigkeitschromatographisch-massenspektrometrischer Methoden zum Nachweis von Mykotoxinen im Hausstaub
… Mykotoxinen. Die Mykotoxine Citrinin, Deoxynivalenol, Ochratoxin A und Sterigmatocystin wurden im unteren µg/kg Hausstaub Bereich quantifiziert. Ein eindeutiger Zusammenhang zwischen einem Schimmelpilzbefall und den nachgewiesenen Mykotoxinen konnte nicht festgestellt werden. Mittels …
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EVALUATION OF SCAB RESISTANCE QUANTITATIVE TRAIT LOCI (QTL) EFFECTS ON WHEAT
… 3BS+2DL NIL showed higher resistance and lower deoxynivalenol content than other NIL in both field and greenhouse studies. This suggests that the 3BS+2DL NIL can be used in the mid-Atlantic region to breed for improved FHB resistance.
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Identification and characterization of Fusarium graminearum pathogenesis genes and determination of aggressiveness
… been conducted to identify genes associated with deoxynivalenol, the most important mycotoxin produced by F. graminearum, yet little is known about other pathogenesis compounds or pathways used by the pathogen to infect wheat. To identify essential fungal pathogenesis genes and determine whether …
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QTL IDENTIFICATION FOR MARKER ASSISTED SELECTION OF CORN (ZEA MAYS L.) HUSK TRAITS ASSOCIATED WITH FUSARIUM SPP DISEASES RESISTANCE
… grain with mycotoxins in particular fumonisins, deoxynivalenol and zearalenone. In this PHD thesis role of husk traits like husk number, husk coverage, and husk tightness have been explored to understand their possible effect in providing resistance to these pathogens. Two different experiment …
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Quantitative Trait Loci for Resistance to Fusarium Head Blight in the Hulless Winter Barley Cultivar Eve
… (Sev), Fusarium damaged kernels (FDK), and deoxynivalenol (DON) were assessed over 2014-15 and 2015-16 at Blacksburg, VA, Mount Holly, VA, Kinston, NC, and Lexington, KY. A QTL on chromosome 6H associated with FHB Sev, FDK, and DON was identified. The QTL accounted for as high as 14.5% of …
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Development of new tools and germplasms for improvement of wheat resistance to Fusarium head blight
… (PSS), Fusarium damaged kernels (FDK) and deoxynivalenol (DON), a toxin produced by the pathogen. Genome-wide association studies (GWAS) identified significant trait associations with single nucleotide polymorphisms (SNPs) on chromosomes 1A, 1D, 2B, 3A, 3B, 4A, 5B and 5D. These marker-trait …
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Determination of farm animal exposure to multiple mycotoxins and assessment of novel mycotoxin binders
… recorded on a weekly basis. Results showed that deoxynivalenol (DON), zearalenone (ZEN), fumonisins (FBs), apicidin, enniatins, emodin, diacetoxyscirpenol (DAS) and beauvericin (BEV), were the most prevalent mycotoxins. Moreover, multiple linear regression analysis also revealed an interaction …
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Evaluation of Mycotoxin Accumulation and Bran Thickness Between Red and White Wheat (Triticum Aestivum L.) Near-Isogenic Lines
… Fusiarium Head Blight (FHB) mycotoxin, deoxynivalenol (DON) accumulates primarily in the bran layer of kernels, the bran may be a significant source of DON, especially in products made using white wheat. Moreover, differences in bran characteristics between white and red kernels may …
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Mycotoxins Risk in Maize Fields in Relation to Insect and Edaphic Factors in South Dakota
… and untreated plots. However in Bt maize, only deoxynivalenol concentrations were positively related to caterpillar kernel damage in carbaryl-treated plots. Sap beetle abundance was not related to mycotoxin concentrations in conventional or Bt maize; but, kernel damage by sap beetles in Bt maize …
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