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https://www.readbyqxmd.com/read/28319793/early-response-of-wheat-antioxidant-system-with-special-reference-to-fusarium-head-blight-stress
#1
Valentina Spanic, Marija Viljevac Vuletic, Ivan Abicic, Tihana Marcek
Fusarium head blight (FHB) is a destructive fungal disease of wheat (Triticum aestivum L.) that causes significant grain yield losses and end-use quality reduction associated with contamination by the mycotoxin deoxynivalenol (DON). Three winter wheat varieties ('Vulkan', 'Kraljica' and 'Golubica') were screened for FHB resistance using artificial inoculation technique under field conditions. The aim of this study was to examine a relationship between FHB resistance and the effectiveness of enzyme antioxidant system of wheat varieties under different sampling times (3, 15, 24, 48, 96, 120 and 336 hai)...
March 14, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28319708/effect-of-application-of-dairy-manure-effluent-and-inorganic-fertilizer-on-nitrogen-leaching-in-clayey-fluvo-aquic-soil-a-lysimeter-study
#2
Jianling Fan, Jiao Xiao, Deyan Liu, Guiping Ye, Jiafa Luo, David Houlbrooke, Seth Laurenson, Jing Yan, Lvjun Chen, Jinping Tian, Weixin Ding
Dairy farm manure and effluent are applied to cropland in China to provide a source of plant nutrients, but there are concerns over its effect on nitrogen (N) leaching loss and groundwater quality. To investigate the effects of land application of dairy manure and effluent on potential N leaching loss, two lysimeter trials were set up in clayey fluvo-aquic soil in a winter wheat-summer maize rotation cropping system on the North China Plain. The solid dairy manure trial included control without N fertilization (CK), inorganic N fertilizer (SNPK), and fresh (RAW) and composted (COM) dairy manure...
March 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28319670/identification-of-candidate-genes-for-the-seed-coat-colour-change-in-a-brachypodium-distachyon-mutant-induced-by-gamma-radiation-using-whole-genome-re-sequencing
#3
Man Bo Lee, Dae Yeon Kim, Yong Weon Seo
Brachypodium distachyon has been proposed as a model plant for agriculturally important cereal crops such as wheat and barley. Seed coat colour change from brown-red to yellow was observed in a mutant line (142-3) of B. distachyon, which was induced by chronic gamma radiation. In addition, dwarf phenotypes were observed in each of the lines 142-3, 421-2, and 1376-1. In order to identify causal mutations for the seed coat colour change, the three mutant lines and the wild type were subjected to whole-genome re-sequencing...
March 20, 2017: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/28318962/effects-of-an-acid-alkaline-treatment-on-the-release-of-antioxidants-and-cellulose-from-different-agro-food-wastes
#4
Vellingiri Vadivel, Alessandro Moncalvo, Roberta Dordoni, Giorgia Spigno
The present investigation was aimed to evaluate the release of both antioxidants and cellulosic fibre from different agro-food wastes. Cost-effective and easily available agro-food residues (brewers' spent grains, hazelnut shells, orange peels and wheat straw) were selected and submitted to a double-step acid/alkaline fractionation process. The obtained acid and alkaline liquors were analysed for total phenols content and antioxidant capacity. The final fibre residue was analysed for the cellulose, lignin and hemicellulose content...
March 15, 2017: Waste Management
https://www.readbyqxmd.com/read/28318577/effect-of-dietary-mineral-phosphorus-and-phytate-on-in-situ-ruminal-phytate-disappearance-from-different-concentrates-in-dairy-cows
#5
E Haese, J Möhring, H Steingass, M Schollenberger, M Rodehutscord
The first objective of this study was to determine the influence of dietary composition on the in situ disappearance of phytate (InsP6) from wheat, corn, soybean meal, and rapeseed meal [solvent-extracted, without (RSM) or with (hRSM) heat treatment] in the rumen of dairy cows. The second objective was to assess the primary degradation products of InsP6 in the rumen. Three diets differing in phosphorus and InsP6 concentration (basal diet = 0.38% P in dry matter; high-P diet = 0.56% P; high-InsP6 diet = 0.39% P) were fed to 3 ruminally fistulated lactating Jersey cows in a 3 × 3 Latin square...
March 16, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28318476/p-and-ca-digestibility-is-increased-in-broiler-diets-supplemented-with-the-high-phytase-highphy-wheat
#6
D Scholey, E Burton, N Morgan, C Sanni, C K Madsen, G Dionisio, H Brinch-Pedersen
Around 70% of total seed phosphorus is represented by phytate which must be hydrolysed to be bioavailable in non-ruminant diets. The limited endogenous phytase activity in non-ruminant animals make it common practice to add an exogenous phytase source to most poultry and pig feeds. The mature grain phytase activity (MGPA) of cereal seeds provides a route for the seeds themselves to contribute to phytate digestion, but MGPA varies considerably between species and most varieties in current use make negligible contributions...
March 20, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28318300/bacteria-from-wheat-and-cucurbit-plant-roots-metabolize-pahs-and-aromatic-root-exudates-implications-for-rhizodegradation
#7
Cairn S Ely, Barth F Smets
The chemical interaction between plants and bacteria in the root zone can lead to soil decontamination. Bacteria which degrade PAHs have been isolated from the rhizospheres of plant species with varied biological traits, however, it is not known what phytochemicals promote contaminant degradation. One monocot and two dicotyledon plants were grown in PAH-contaminated soil from a manufactured gas plant (MGP) site. A phytotoxicity assay confirmed greater soil decontamination in rhizospheres when compared to bulk soil controls...
March 20, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28318061/educating-physicians-for-rural-america-validating-successes-and-identifying-remaining-challenges-with-the-rural-medical-scholars-program
#8
John R Wheat, James D Leeper, Shannon Murphy, John E Brandon, James R Jackson
PURPOSE: To evaluate the Rural Medical Scholars (RMS) Program's effectiveness to produce rural physicians for Alabama. METHODS: A nonrandomized intervention study compared RMS (1997-2002) with control groups in usual medical education (1991-2002) at the University of Alabama School of Medicine's main and regional campuses. Participants were RMS and others admitted to regular medical education, and the intervention was the RMS Program. Measures assessed the percentage of graduates practicing in rural areas...
March 20, 2017: Journal of Rural Health
https://www.readbyqxmd.com/read/28318032/have-we-finally-opened-the-door-to-understanding-septoria-tritici-blotch-disease-in-wheat
#9
Peter S Solomon
No abstract text is available yet for this article.
April 2017: New Phytologist
https://www.readbyqxmd.com/read/28317781/stability-of-%C3%AE-carotene-during-baking-of-orange-fleshed-sweet-potato-wheat-composite-bread-and-estimated-contribution-to-vitamin-a-requirements
#10
Madjaliwa Nzamwita, Kwaku Gyebi Duodu, Amanda Minnaar
Orange-fleshed sweet potato (OFSP) is known to be a rich source of β-carotene, a precursor of vitamin A and a potential tool for fighting vitamin A deficiency (VAD) in developing countries. OFSP flour was incorporated into wheat flour at 10, 20 and 30% (w/w) substitution levels. The stability of β-carotene during baking and the contribution of OFSP-wheat composite breads to vitamin A requirements were evaluated. The retention of all-trans-β-carotene in breads containing 10, 20 and 30% OFSP flour was 62.7, 71...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28317775/starch-and-protein-analysis-of-wheat-bread-enriched-with-phenolics-rich-sprouted-wheat-flour
#11
Michał Świeca, Dariusz Dziki, Urszula Gawlik-Dziki
Wheat flour in the bread formula was replaced with sprouted wheat flour (SF) characterized by enhanced nutraceutical properties, at 5%, 10%, 15% and 20% levels. The addition of SF slightly increased the total protein content; however, it decreased their digestibility. Some qualitative and quantitative changes in the electrophoretic pattern of proteins were also observed; especially, in the bands corresponding with 27kDa and 15-17kDa proteins. These results were also confirmed by SE-HPLC technique, where a significant increase in the content of proteins and peptides (molecular masses <20kDa) was determined for breads with 20% of SF...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28317736/evaluation-of-phenolic-profile-and-antioxidant-capacity-in-gluten-free-flours
#12
Gabriele Rocchetti, Giulia Chiodelli, Gianluca Giuberti, Francesco Masoero, Marco Trevisan, Luigi Lucini
The characterization of phenolic fingerprints in common gluten-free flours is still scarce. Total phenolic and anthocyanin contents, antioxidant capacity and the entire phenolic profile were investigated for extracts from chickpea, sorghum, quinoa, black rice, lentil, amaranth, brown rice, oat and white rice flours, using soft wheat flour as a comparison. The highest phenolic content was found in black rice, followed by quinoa extracts (147.9 and 87.2mg gallic acid equivalents 100g(-1), respectively). Consistently, antioxidant capacity was highest in black rice and quinoa flours (34mmol trolox equivalents 100g(-1)), while anthocyanins were highest in black rice flour...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28317712/lc-esi-qtof-ms-identification-of-novel-antioxidant-peptides-obtained-by-enzymatic-and-microbial-hydrolysis-of-vegetable-proteins
#13
Elena Babini, Davide Tagliazucchi, Serena Martini, Lucilla Dei Più, Andrea Gianotti
Bioactive antioxidant peptides are more and more attracting the attention of food manufacturers for their potential to transform food in functional food, able to prevent a variety of chronic diseases associated with oxidative stress. In the present study proteins extracted from different vegetable sources (KAMUT® khorasan wheat, emmer, lupine and pea) were hydrolyzed with commercial enzymes and Lactobacillus spp. strains. Hydrolysates were separated by size exclusion chromatography and purified fractions were analyzed for their antioxidant activity...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28317703/detection-of-l-cysteine-in-wheat-flour-by-raman-microspectroscopy-combined-chemometrics-of-hca-and-pca
#14
Nur Cebi, Canan Ekinci Dogan, Ayşen Develioglu, Mediha Esra Altuntop Yayla, Osman Sagdic
l-Cysteine is deliberately added to various flour types since l-Cysteine has enabled favorable baking conditions such as low viscosity, increased elasticity and rise during baking. In Turkey, usage of l-Cysteine as a food additive isn't allowed in wheat flour according to the Turkish Food Codex Regulation on food additives. There is an urgent need for effective methods to detect l-Cysteine in wheat flour. In this study, for the first time, a new, rapid, effective, non-destructive and cost-effective method was developed for detection of l-Cysteine in wheat flour using Raman microscopy...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28316134/feruloylation-and-structure-of-arabinoxylan-in-wheat-endosperm-cell-walls-from-rnai-lines-with-suppression-of-genes-responsible-for-backbone-synthesis-and-decoration
#15
Jackie Freeman, Jane L Ward, Ondrej Kosik, Alison Lovegrove, Mark D Wilkinson, Peter R Shewry, Rowan A C Mitchell
Arabinoxylan (AX) is the major component of the cell walls of wheat grain (70% in starchy endosperm) and is an important determinant of end-use qualities affecting food processing, use for animal feed and distilling and is a major source of dietary fibre in the human diet. AX is a heterogeneous polysaccharide composed of fractions which can be sequentially extracted by water (WE-AX), then xylanase action (XE-AX) leaving an unextractable (XU-AX) fraction. We determined arabinosylation and feruloylation of AX in these fractions in both wild-type wheat and RNAi lines with decreased AX content (TaGT43_2 RNAi, TaGT47_2 RNAi) or decreased arabinose 3-linked to mono-substituted xylose (TaXAT1 RNAi)...
March 17, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28316079/insectivorous-birds-disrupt-biological-control-of-cereal-aphids
#16
Ingo Grass, Katrin Lehmann, Carsten Thies, Teja Tscharntke
Insect-feeding birds may interfere with trophic interactions in plant-insect food webs, which may be particularly important in agroecosystems. Here, we studied how Eurasian tree sparrows (Passer montanus) affect aphids and their predators in cereal fields using bird exclusion experiments. The tree sparrows fed their nestlings with aphid antagonists. Hoverflies and ladybird beetles accounted for 77% of the food for the nestlings during peak aphid density. When birds were excluded, densities of hoverfly larvae, which were the most abundant aphid predator group in the cereals, were 4% higher in wheat and 45% higher in oat, while aphid densities were 24% lower in wheat and 26% lower in oat...
March 17, 2017: Ecology
https://www.readbyqxmd.com/read/28315891/results-with-complementary-food-using-local-food-ingredients
#17
Tahmeed Ahmed, Munirul Islam, Nuzhat Choudhury, Iqbal Hossain, Sayeeda Huq, Mustafa Mahfuz, Shafiqul Alam Sarker
Appropriate complementary food is a must for optimum growth of infants and children. The food should be diverse and be given in sufficient quantities 2-4 times a day depending upon age. Poverty, food insecurity, and lack of awareness regarding the choice of nutritious food ingredients are deterrents to optimum complementary feeding. In Bangladesh, 77% of children do not receive appropriate complementary food and, hence, the high prevalence of childhood malnutrition. We developed ready-to-use complementary foods (RUCFs) using locally available food ingredients, rice/lentil and chickpea, which conform to standard specifications...
2017: Nestlé Nutrition Institute Workshop Series
https://www.readbyqxmd.com/read/28315440/optimized-production-and-characterization-of-a-detergent-stable-protease-from-lysinibacillus-fusiformis-c250r
#18
REVIEW
Sondes Mechri, Mouna Kriaa, Mouna Ben Elhoul Berrouina, Maroua Omrane Benmrad, Nadia Zaraî Jaouadi, Hatem Rekik, Khelifa Bouacem, Amel Bouanane-Darenfed, Alif Chebbi, Sami Sayadi, Mohamed Chamkha, Samir Bejar, Bassem Jaouadi
In this study, we aimed to optimize the cultural and nutritional conditions for protease production by Lysinibacillus fusiformis strain C250R in submerged fermentation process using statistical methodology. The most significant factors (gruel, wheat bran, yeast extract, and FeSO4) were identified by Plackett-Burman design. Response surface methodology (RSM) was used to determine the optimum levels of the screened factors and their interaction. Under the optimized conditions, protease yield 3100U/mL was 4.5 folds higher than those obtained by the use of the initial conditions (680U/ml)...
March 14, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28314965/genetic-analyses-using-gge-model-and-a-mixed-linear-model-approach-and-stability-analyses-using-ammi-bi-plot-for-late-maturity-alpha-amylase-activity-in-bread-wheat-genotypes
#19
Golam Rasul, Karl D Glover, Padmanaban G Krishnan, Jixiang Wu, William A Berzonsky, Bourlaye Fofana
Low falling number and discounting grain when it is downgraded in class are the consequences of excessive late-maturity α-amylase activity (LMAA) in bread wheat (Triticum aestivum L.). Grain expressing high LMAA produces poorer quality bread products. To effectively breed for low LMAA, it is necessary to understand what genes control it and how they are expressed, particularly when genotypes are grown in different environments. In this study, an International Collection (IC) of 18 spring wheat genotypes and another set of 15 spring wheat cultivars adapted to South Dakota (SD), USA were assessed to characterize the genetic component of LMAA over 5 and 13 environments, respectively...
March 17, 2017: Genetica
https://www.readbyqxmd.com/read/28314934/transposon-insertion-resulted-in-the-silencing-of-wx-b1n-in-chinese-wheat-landraces
#20
Ling-Ling Zhang, Hu Chen, Mi Luo, Xiao-Wei Zhang, Mei Deng, Jian Ma, Peng-Fei Qi, Ji-Rui Wang, Guo-Yue Chen, Ya-Xi Liu, Zhi-En Pu, Wei Li, Xiu-Jin Lan, Yu-Ming Wei, You-Liang Zheng, Qian-Tao Jiang
A novel Wx-B1 allele was characterized; a transposon insertion resulted in the loss of its function, which is different from the previously reported gene silencing mechanisms at the Wx-B1 locus. The waxy protein composition of 53 Chinese wheat landraces was analyzed using sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and two-dimensional gel electrophoresis; of these, 10 did not show the expression of Wx-A1 (four accession) or Wx-B1 (six accessions) protein. The results of molecular marker detection revealed that the Wx-B1 allele (Wx-B1n) showed normal expression, inconsistent with the findings of SDS-PAGE for the Xiaobaipi accession...
March 17, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
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