Publications

TitleAbstractYear(sorted ascending)
Filter
PMID
Filter
preferred carbon precursors for lipid labelling in the heterotrophic endosperm of developing oat (avena sativa l.) grains.oat (avena sativa l.) is unusual among the cereal grains in storing high amounts of oil in the endosperm; up to 90% of total grain oil. by using oat as a model species for oil metabolism in the cereal endosperm, we can learn how to develop strategies to redirect carbon from starch to achieve high-oil yielding cereal crops. carbon precursors for lipid synthesis were compared in two genetically close oat cultivars with different endosperm oil content (about 6% and 10% of grain dw, medium-oil; mo, ...201425221923
cover crops influence soil microorganisms and phytoextraction of copper from a moderately contaminated vineyard.we investigated the ability of summer (avena sativa [oat], trifolium incarnatum [crimson clover], chenopodium [goosefoot]) and winter (vicia villosa [hairy vetch], secale cereale l. [rye], brassica napus l. partim [rape]) cover crops, including a mixed species treatment, to extract copper from an organic vineyard soil in situ and the microbial communities that may support it. clover had the highest copper content (14.3mgcukg(-1) dm). however, it was the amount of total biomass production that de ...201425217742
detecting a new source for photochemically induced dynamic nuclear polarization in the lov2 domain of phototropin by magnetic-field dependent (13)c nmr spectroscopy.phototropin is a flavin mononucleotide (fmn) containing blue-light receptor, which regulates, governed by its two lov domains, the phototropic response of higher plants. upon photoexcitation, the fmn cofactor triplet state, (3)f, reacts with a nearby cysteine to form a covalent adduct. cysteine-to-alanine mutants of lov domains instead generate a flavin radical upon illumination. here, we explore the formation of photochemically induced dynamic nuclear polarization (cidnp) in lov2-c450a of avena ...201425207844
effect of different processing techniques on nutritional characteristics of oat (avena sativa) grains and formulated weaning mixes.one of the variety of oat, upo 94 was processed by two simple processing techniques. one method is malting and other is roasting. malted and roasted oat flour as well as weaning mixes prepared from these two processed flour were analyzed for their nutrient composition, alpha amylase activity and in-vitro protein digestibility. for making weaning mix, oat flour, wheat flour, green gram and skim milk powder were taken in a ratio of 30:30:25:15 respectively. higher moisture, ash, crude fat, energy, ...201425190893
new series of avenanthramides in oat seed.avenanthramides are characteristic constituents of oat seeds. we analyzed the methanol extract of oat seeds by hplc and detected three compounds 1, 2, and 3 eluted at retention times similar to avenanthramides. the three compounds were purified by column chromatography and hplc. spectroscopic analyses of 1, 2, and 3 suggested that they are amides of 4,5-dihydroxyanthranilic acid with caffeic, p-coumaric, and ferulic acids, respectively. their identities were confirmed by comparing spectra and ch ...201425117953
biomechanics of plant anchorage at early development stage.we propose a minimal model for the response of seedlings to pullout constraints. central to our approach is the idea of capturing not only average mechanical properties but also the stochastic component of the uprooting process. our model accounts on one hand for the tensile elastic response of root fibres and on the other hand for the friction between root fibres and the soil matrix. we present for validation a dataset of 98 uprooting experiments using avena sativa l. seedlings (common oat), gr ...201425109590
in silico analysis of dreb transcription factor genes and proteins in grasses.plants are exposed to various environmental stresses, including drought, salinity, low temperature, etc. dehydration responsive element binding (dreb) genes, the members of ap2/erf transcription factor family, regulate the biological processes against cold and dehydration stresses. in this study, we analyzed a total of 19 dreb transcription factor genes and proteins from 14 grass species by using bioinformatic approaches, including their physiochemical properties, conserved motif structures, hom ...201425104001
factors that control the chemistry of the lov domain photocycle.algae, plants, bacteria and fungi contain light-oxygen-voltage (lov) domains that function as blue light sensors to control cellular responses to light. all lov domains contain a bound flavin chromophore that is reduced upon photon absorption and forms a reversible, metastable covalent bond with a nearby cysteine residue. in avena sativa lov2 (aslov2), the photocycle is accompanied by an allosteric conformational change that activates the attached phototropin kinase in the full-length protein. b ...201424475227
fall-grown oat to extend the fall grazing season for replacement dairy heifers.our objective was to assess the pasture productivity and forage characteristics of 2 fall-grown oat (avena sativa l.) cultivars, specifically for extending the grazing season and reducing reliance on harvested forages by replacement dairy heifers. a total of 160 gravid holstein heifers (80 heifers/yr) were stratified by weight, and assigned to 1 of 10 identical research pens (8 heifers/pen). initial body weights were 480 ± 43.5 kg in 2011 and 509 ± 39.4 kg in 2012. during both years of the trial ...201424440262
vitamin e levels in soybean (glycine max (l.) merr.) expressing a p-hydroxyphenylpyruvate gene from oat (avena sativa l.).the enzyme p-hydroxyphenylpyruvate dioxygenase (hppd) is ubiquitous in plants and functions in the tyrosine catabolic pathway, resulting in the formation of homogentisate. homogentisate is the aromatic precursor of all plastoquinones and tocochromanols, including tocopherols and tocotrienols. soybean (glycine max (l.) merr.) has been genetically modified to express the gene avhppd-03 that encodes the protein avhppd-03 derived from oat (avena sativa l.). the avhppd-03 isozyme has an inherent redu ...201424684596
metabolic changes in avena sativa crowns recovering from freezing.extensive research has been conducted on cold acclimation and freezing tolerance of fall-sown cereal plants due to their economic importance; however, little has been reported on the biochemical changes occurring over time after the freezing conditions are replaced by conditions favorable for recovery and growth such as would occur during spring. in this study, gc-ms was used to detect metabolic changes in the overwintering crown tissue of oat (avena sativa l.) during a fourteen day time-course ...201424675792
bacterially produced pt-gfp as ratiometric dual-excitation sensor for in planta mapping of leaf apoplastic ph in intact avena sativa and vicia faba.ratiometric analysis with h(+)-sensitive fluorescent sensors is a suitable approach for monitoring apoplastic ph dynamics. for the acidic range, the acidotropic dual-excitation dye oregon green 488 is an excellent ph sensor. long lasting (hours) recordings of apoplastic ph in the near neutral range, however, are more problematic because suitable ph indicators that combine a good ph responsiveness at a near neutral ph with a high photostability are lacking. the fluorescent ph reporter protein fro ...201425313311
oat (avena sativa l.).agrobacterium-mediated transformation is a suitable method to transform different cultivars using different systems of a. tumefaciens strains and binary vectors as well as selection cassettes. we describe here a detailed protocol for two cultivars, one naked and one husked, using the agl1 strain and the pgreen vector containing the nptii selection cassette ( http://www.pgreen.ac.uk/ ), suitable for oat as well as other cereals. the pgreen vector system was recently developed for pbract ( http:// ...201525300837
pro-apoptotic properties of (1,3)(1,4)-β-d-glucan from avena sativa on human melanoma htb-140 cells in vitro.in this study, the growth-inhibitory effect of polysaccharide (1,3)(1,4)-β-d-glucan from oat, avena sativa l. grains was explored on the human skin melanoma htb-140 cells in vitro. the oat β-d-glucan (obg) exerted cytotoxic action on htb-140 cells. after 24h of incubation, ld50 (concentration at which 50% of the cells were found dead) was obtained of 194.6 ± 9.8 μg/ml. the oat β-d-glucan caused a concentration-dependent increase of caspase-3/-7 activation and appearance of phosphatidylserine on ...201525285849
effect of plant growth-promoting bacteria (pgpr) and arbuscular mycorrhizal fungi (amf) inoculation on oats in saline-alkali soil contaminated by petroleum to enhance phytoremediation.to investigate the effect of plant growth-promoting bacteria (pgpr) and arbuscular mycorrhizal fungi (amf) on phytoremediation in saline-alkali soil contaminated by petroleum, saline-alkali soil samples were artificially mixed with different amount of oil, 5 and 10 g/kg, respectively. pot experiments with oat plants (avena sativa) were conducted under greenhouse condition for 60 days. plant biomass, physiological parameters in leaves, soil enzymes, and degradation rate of total petroleum hydroca ...201525091168
biochemical and molecular characterization of avena indolines and their role in kernel texture.among cereals, avena sativa is characterized by an extremely soft endosperm texture, which leads to some negative agronomic and technological traits. on the basis of the well-known softening effect of puroindolines in wheat kernel texture, in this study, indolines and their encoding genes are investigated in avena species at different ploidy levels. three novel 14 kda proteins, showing a central hydrophobic domain with four tryptophan residues and here named vromindoline (vin)-1,2 and 3, were id ...201525120168
characterization of nitrogen and water status in oat leaves using optical sensing approach.optical sensing is a potential tool to estimate plant n status, but soil water deficits may interefere with forming a clear relationship. a greenhouse study was conducted with oat plants treated with three water regimes and four n levels to determine whether optical sensing could be used to estimate leaf n and relative water content (rwc).201524796652
the role of climatic variables in winter cereal yields: a retrospective analysis.this study examined the effects of observed climate including [co2] on winter cereal [winter wheat (triticum aestivum), barley (hordeum vulgare) and oat (avena sativa)] yields by adopting robust statistical analysis/modelling approaches (i.e. autoregressive fractionally integrated moving average, generalised addition model) based on long time series of historical climate data and cereal yield data at three locations (moree, dubbo and wagga wagga) in new south wales, australia. research results s ...201524763659
influence of crop residues on trifluralin mineralization in a silty clay loam soil.trifluralin is typically applied onto crop residues (trash, stubble) at the soil surface, or onto the bare soil surface after the incorporation of crop residues into the soil. the objective of this study was to quantify the effect of the type and amount of crop residues in soil on trifluralin mineralization in a wellwood silty clay loam soil. leaves and stubble of potato (solanum tuberosum) (p); canola (brassica napus) (c), wheat (triticum aestivum) (w), oats (avena sativa), (o), and alfalfa (me ...201517454379
[isolation and structure of peptides from oat (avena sativa) seedlings].the level of proteolytic activity in tissues of oat seedlings was characterized under acidic conditions, and the number and content of the main components in low-molecular-mass fractions of the extract were determined. the structures of the majority of predominant peptide components isolated from the extract were studied. the use of a database of protein structures helped suggest possible structures of protein precursors of the peptides isolated. detailed information on a plant peptidome was obt ...201516637293
[genetic analysis of oat (avena sativa l.) by joint scaling test].comparing the results of genetic analysis of oat varieties with the method of diallel analysis of f1 hybrids and with the joint scaling test the spheres of optimal application of both methods were determined. quantitative estimation of genetic parameters forming the phenotypic averages in scaling test develops the necessary base for involvement of marker genes for qualitative characters in search of qtls controlling the traits with continuous variation. the crosses being the most suitable for fu ...201514650325
apatite and phillipsite as sequestering agents for metals and radionuclides.laboratory and greenhouse studies were conducted to quantify apatite and phillipsite (zeolite) sequestration of selected metal contaminants. the laboratory batch study measured the sorption of aqueous co2+, ba2+, pb2+, eu3+, and uo2(2+). apatite sorbed more co2+, pb2+, eu3+, and uo2(2+) from the spike solution than phillipsite, resulting in distribution coefficients (kd values) of >200,000 l kg(-1). phillipsite was more effective than apatite at sorbing aqueous ba2+. results from the laboratory ...201512708675
modulating effects of oatmeal extracts in the sodium lauryl sulfate skin irritancy model.the aim of the present study was to assess the anti-inflammatory activity of two topically applied oatmeal extracts, i.e. avena sativa and avena rhealba, using the sodium lauryl sulfate (sls) irritation model. at baseline, test areas on the volar surface of the upper arms of 12 healthy individuals were pretreated with the two extracts and their vehicle (petrolatum ointment) under occlusion for 2 h, and one site was left untreated. then a patch with a 1% sls solution was applied to the test sites ...201511867969
[kinetics of mitotic rhythmic activity in oat (avena sativa) coleoptiles following irradiation].the analysis of different intensity (10-200 gy) irradiation influence on rhythmical processes in mitotic activity of oats coleoptiles was carries out. obtained results indicate that irradiation disorders phase and amplitude of the cell division rhythm in investigated material. this disturbance, as judged by doze dependence, is associated with unknown molecular structures.201511833332
amelioration of nickel phytotoxicity in muck and mineral soils.in situ remediation (phytostabilization) is a cost-effective solution for restoring the productivity of metal-contaminated soils and protection of food chains. a pot experiment with wheat (triticum aestivum l.), oat (avena sativa l.), and redbeet (beta vulgaris l.) was conducted to test the ability of limestone and hydrous ferric oxide (hfo) to ameliorate ni phytotoxicity in two soils contaminated by particulate emissions from a nickel refinery. quarry muck (terric haplohemist; 72% organic matte ...201511790001
complex structure of knobs and centromeric regions in maize chromosomes.the recovery of maize (zea mays l.) chromosome addition lines of oat (avena sativa l.) from oat x maize crosses enables us to analyze the structure and composition of individual maize chromosomes via the isolation and characterization of chromosome-specific cosmid clones. restriction fragment fingerprinting, sequencing, and in situ hybridization were applied to discover a new family of knob associated tandem repeats, the tr1, which are capable of forming fold-back dna segments, as well as a new ...201510857197
optimised amylases extraction from oat seeds and its impact on bread properties.statistical approaches were employed for the optimisation of the extraction of amylolytic activity from oat (avena sativa) seeds. the application of the response surface methodology allows us to determine a set of optimal conditions (ratio seed weight/buffer volume 0.1, germination days 10 days, temperature 20 °c and ph 5.6). experiments carried out under these conditions led to amylase production yield of 91 u/g. its maximal activity was in the ph 5.6 and at 55 °c. study of the incorporation of ...201525453287
uptake and distribution of stable strontium in 26 cultivars of three crop species: oats, wheat, and barley for their potential use in phytoremediation.the main objective of this study was to investigate the accumulation and distribution of strontium (sr) in 26 cultivars of wheat (triticum aestivum l.), husk oat (avena sativa l) and naked oat (avena nuda), and barley (hordeum vulgare l.) for their potential use in phytoremediation.sr levels had no effect on the accumulation of shoot biomass at tillering or at maturity. mean shoot sr concentration of naked oat and barley at tillering was significantly (p<0.05) higher than that of wheat; neimengk ...201525397985
optogenetics: optical control of a photoactivatable rac in living cells.recent developments in optogenetics have extended optical control of signaling to intracellular proteins, including rac, a small g protein in the rho family. a blue light-sensing lov (light, oxygen, or voltage) domain derived from avena sativa (oat) phototropin was fused to the n-terminus of a constitutively active mutant of rac, via an α-helix (jα) that is conserved among plant phototropins. the fused lov domain occluded binding of downstream effectors to rac in the dark. exposure to blue light ...201525391805
engineering an improved light-induced dimer (ilid) for controlling the localization and activity of signaling proteins.the discovery of light-inducible protein-protein interactions has allowed for the spatial and temporal control of a variety of biological processes. to be effective, a photodimerizer should have several characteristics: it should show a large change in binding affinity upon light stimulation, it should not cross-react with other molecules in the cell, and it should be easily used in a variety of organisms to recruit proteins of interest to each other. to create a switch that meets these criteria ...201525535392
a metabolomic study in oats (avena sativa) highlights a drought tolerance mechanism based upon salicylate signalling pathways and the modulation of carbon, antioxidant and photo-oxidative metabolism.although a wealth of information is available on the induction of one or several drought-related responses in different species, little is known of how their timing, modulation and crucially integration influence drought tolerance. based upon metabolomic changes in oat (avena sativa l.), we have defined key processes involved in drought tolerance. during a time course of increasing water deficit, metabolites from leaf samples were profiled using direct infusion-electrospray mass spectroscopy (di ...201525533379
anti-inflammatory activities of colloidal oatmeal (avena sativa) contribute to the effectiveness of oats in treatment of itch associated with dry, irritated skin.oat (avena sativa) in colloidal form is a centuries-old topical treatment for a variety of skin conditions, including skin rashes, erythema, burns, itch, and eczema; however, few studies have investigated the exact mechanism of action for the anti-inflammatory activity of colloidal oatmeal.201525607907
nutritional advantages of oats and opportunities for its processing as value added foods - a review.oats (avena sativa l.) have received considerable attention for their high content of dietary fibres, phytochemicals and nutritional value. it is believed that consumption of oats possesses various health benefits such as hypocholesterolaemic and anticancerous properties. oats have also recently been considered suitable in the diet of celiac patients. owing to their high nutritional value, oat-based food products like breads, biscuits, cookies, probiotic drinks, breakfast cereals, flakes and inf ...201525694675
keratinocyte differentiation and upregulation of ceramide synthesis induced by an oat lipid extract via the activation of ppar pathways.activation of peroxisome proliferator-activated receptors (ppars) has been shown to have an important role in skin barrier function by regulating differentiation and lipid synthesis in keratinocytes. oat (avena sativa) has long been used as a soothing agent to relieve skin irritations, and the clinical benefits of topical oat formulations have been proven; however, the mechanistic understanding of oat's mode of action remains unknown. we investigated whether an oat lipid extract could activate p ...201525651930
nitrogen uptake and nitrogen fertilizer recovery in old and modern wheat genotypes grown in the presence or absence of interspecific competition.choosing genotypes with a high capacity for taking up nitrogen (n) from the soil and the ability to efficiently compete with weeds for this nutrient is essential to increasing the sustainability of cropping systems that are less dependent on auxiliary inputs. this research aimed to verify whether differences exist in n uptake and n fertilizer recovery capacity among wheat genotypes and, if so, whether these differences are related to a different competitive ability against weeds of wheat genotyp ...201525859252
a review study on the effect of iranian herbal medicines on opioid withdrawal syndrome.addiction is a chronic and recurring disease that recurrence phenomenon is the most important challenge in treatment of this disease. recent experiences have shown that synthetic drugs have undesirable side effects. recent studies on medicinal plants have shown that they might be effective in treatment of different stages of addiction with lower side effects and costs. the aim of this study was to review the effects of medicinal plants in the treatment of morphine addiction in experimental anima ...201525818661
indigenous knowledge of folk medicines among tribal minorities in khyber pakhtunkhwa, northwestern pakistan.mapping ethnomedicinal plants and associated indigenous knowledge of folk medicines can provide a comprehensive overview of individual herbs employed in health care. reliance on medicinal plants in remote parts of northern pakistan is high, especially among women, but no research has investigated specifically which plants are used. this study investigated indigenous knowledge of folk medicines among tribal minorities in selected sites in upper swat, buner and chitral districts in khyber pakhtunk ...201525792019
characterization of (glucurono)arabinoxylans from oats using enzymatic fingerprinting.cell wall material from whole oat grains was sequentially extracted to study the structural characteristics of individual arabinoxylan (ax) populations. araf was singly substituted at both o-3 (mainly) and o-2 positions of xylp, and no disubstitution of xylp with araf residues was found in oat axs. both highly substituted and sparsely substituted segments were found in axs in ba(oh)2 extracts, whereas axs in 1 and 6 m naoh extracts were rarely branched and easily aggregated. both o-2-linked glca ...201526636262
dipeptidyl peptidase iv inhibitory peptides derived from oat (avena sativa l.), buckwheat (fagopyrum esculentum), and highland barley (hordeum vulgare trifurcatum (l.) trofim) proteins.peptides released from oat, buckwheat, and highland barley proteins were examined for their in vitro inhibitory effects on dipeptidyl peptidase iv (dpp4), an enzyme that deactivates incretin hormones involved in insulin secretion. all of the hydrolysates exhibited dpp4 inhibitory activities, with ic50 values ranging from 0.13 mg/ml (oat glutelin alcalase digestion) to 8.15 mg/ml (highland barley albumin tryptic digestion). the lowest ic50 values in gastrointestinal, alcalase, and tryptic digesti ...201526468909
quantitative profiling of feruloylated arabinoxylan side-chains from graminaceous cell walls.graminaceous arabinoxylans are distinguished by decoration with feruloylated monosaccharidic and oligosaccharidic side-chains. although it is hypothesized that structural complexity and abundance of these feruloylated arabinoxylan side-chains may contribute, among other factors, to resistance of plant cell walls to enzymatic degradation, quantitative profiling approaches for these structural units in plant cell wall materials have not been described yet. here we report the development and applic ...201526834763
evaluation of post-germinative lipid peroxidation and enzymatic antioxidant potential in lead absorbing oat (avena sativa) seedlings.the objective of the present research was to study the impact of lead (pb) on growth, metal uptake and antioxidative potential of oat seeds under metal stress. to achieve these objectives, few experiments were conducted to assess the effect of this particular metal on various anti-oxidative enzymes, during initial metabolism after germination, in presence of lead. pb is not an oxido-reducing metal, the oxidative stress induced by pb in growing oat seedlings appears to be an indirect effect of pb ...201526536805
ecological risk assessment of a metal-contaminated area in the tropics. tier ii: detailed assessment.this study presents data on the detailed evaluation (tier 2) of a site-specific ecological risk assessment (ssera) in a former smelter area contaminated with metals (santo amaro, bahia, brazil). combining information from three lines of evidence (loe), chemical (chemloe), ecotoxicological (ecotoxloe) and ecological (ecoloe), in the triad approach, integrated risk values were calculated to rank sites and confirm the potential risk disclosed with tier 1. risk values were calculated for the habitat ...201526528915
root isolations of metarhizium spp. from crops reflect diversity in the soil and indicate no plant specificity.metarhizium spp. have recently been shown to be associated with the roots of different plants. here we evaluated which metarhizium species were associated with roots of oat (avena sativa), rye (secale cereale) and cabbage (brassica oleracea), common crop plants in denmark. thirty-six root samples from each of the three crops were collected within an area of approximately 3ha. the roots were rinsed with sterile water, homogenized and the homogenate plated onto selective media. a subset of 126 met ...201526407950
subtle gardeners: inland predators enrich local topsoils and enhance plant growth.inland vertebrate predators could enrich of nutrients the local top soils in the area surrounding their nests and dens by depositing faeces, urine, and prey remains and, thus, alter the dynamics of plant populations. surprisingly, and in contrast with convincing evidence from coastal habitats, whether and how this phenomenon occurs in inland habitats is largely uncertain even though these habitats represent a major fraction of the earth's surface. we investigated during two consecutive breeding ...201526383647
an engineered split intein for photoactivated protein trans-splicing.protein splicing is mediated by inteins that auto-catalytically join two separated protein fragments with a peptide bond. here we engineered a genetically encoded synthetic photoactivatable intein (named lovinc), by using the light-sensitive lov2 domain from avena sativa as a switch to modulate the splicing activity of the split dnae intein from nostoc punctiforme. periodic blue light illumination of lovinc induced protein splicing activity in mammalian cells. to demonstrate the broad applicabil ...201526317656
oat (avena sativa l.): oil and nutriment compounds valorization for potential use in industrial applications.oat is a promising plant for the future. it is edible and beneficial thanks to its nutritional, medicinal and pharmaceutical uses and, hence, recognized to be useful for a healthier world. the assessment of the vital functions of oat components is important for industries requiring correct health labelling, valid during the shelf life of any product. oil, enzymes and other biomolecules of nutraceutic or dietary usage from oats would be valorized for this purpose. although oats have a unique and ...201526250424
assessing the ecological long-term impact of wastewater irrigation on soil and water based on bioassays and chemical analyses.the reuse of treated wastewater for irrigation and groundwater recharge can counteract water scarcity and reduce pollution of surface waters, but assessing its environmental risk should likewise consider effects associated to the soil. the present study therefore aimed at determining the impact of wastewater irrigation on the habitat quality of water after soil passage and of soil after percolation by applying bioassays and chemical analysis. lab-scale columns of four different soils encompassin ...201526207878
comparison of avena sativa, vinegar, and hydroxyzine for uremic pruritus of hemodialysis patients: a crossover randomized clinical trial.uremic pruritus is a common complication in patients with chronic kidney disease. while its cause is not known for certain, different treatments are currently applied. this study aimed to compare the effects of avena sativa, diluted vinegar, and hydroxyzine on the reduction of uremic pruritus.201526174460
preferential recruitment of the maternal centromere-specific histone h3 (cenh3) in oat (avena sativa l.) × pearl millet (pennisetum glaucum l.) hybrid embryos.chromosome elimination occurs frequently in interspecific hybrids between distantly related species in poaceae. however, chromosomes from both parents behave stably in a hybrid of female oat (avena sativa l.) pollinated by pearl millet (pennisetum glaucum l.). to analyze the chromosome behavior in this hybrid, we cloned the centromere-specific histone h3 (cenh3) genes of oat and pearl millet and produced a pearl millet-specific anti-cenh3 antibody. application of this antibody together with a gr ...201526134441
mitochondrial structural and antioxidant system responses to aging in oat (avena sativa l.) seeds with different moisture contents.we observed the relationship between lifespan and mitochondria, including antioxidant systems, ultrastructure, and the hydrogen peroxide and malondialdehyde contents in 4 h imbibed oat (avena sativa l.) seeds that were aged with different moisture contents (4%, 10% and 16%) for 0 (the control), 8, 16, 24, 32 and 40 d at 45 °c. the results showed that the decline in the oat seed vigor and in the integrity of the mitochondrial ultrastructure occurred during the aging process, and that these change ...201526079285
cholesterol-lowering properties of oat β-glucan and the promotion of cardiovascular health: did health canada make the right call?in 2010, health canada approved a heath claim acknowledging the link between increased oats (avena sativa)-soluble fibre consumption and a reduction in total serum cholesterol levels. the approval also recognized the relationship between decreased total blood cholesterol concentration and a reduced risk of coronary heart disease. the functional food ingredient believed to be responsible for the hypocholesterolemic property of oats is β-glucan, a highly viscous, soluble fibre composed of d-glucos ...201525933163
host genotype is an important determinant of the cereal phyllosphere mycobiome.the phyllosphere mycobiome in cereals is an important determinant of crop health. however, an understanding of the factors shaping this community is lacking. fungal diversity in leaves from a range of cultivars of winter wheat (triticum aestivum), winter and spring barley (hordeum vulgare) and a smaller number of samples from oat (avena sativa), rye (secale cereale) and triticale (triticum × secale) was studied using next-generation sequencing. the effects of host genotype, fungicide treatment a ...201525898906
genome-wide association study for crown rust (puccinia coronata f. sp. avenae) and powdery mildew (blumeria graminis f. sp. avenae) resistance in an oat (avena sativa) collection of commercial varieties and landraces.diseases caused by crown rust (puccinia coronata f. sp. avenae) and powdery mildew (blumeria graminis f. sp. avenae) are among the most important constraints for the oat crop. breeding for resistance is one of the most effective, economical, and environmentally friendly means to control these diseases. the purpose of this work was to identify elite alleles for rust and powdery mildew resistance in oat by association mapping to aid selection of resistant plants. to this aim, 177 oat accessions in ...201525798140
quantitative trait loci from two genotypes of oat (avena sativa) conditioning resistance to puccinia coronata.developing oat cultivars with partial resistance to crown rust would be beneficial and cost-effective for disease management. two recombinant inbred-line populations were generated by crossing the susceptible cultivar provena with two partially resistant sources, cdc boyer and breeding line 94197a1-9-2-2-2-5. a third mapping population was generated by crossing the partially resistant sources to validate the quantitative trait locus (qtl) results. the three populations were evaluated for crown r ...201525121640
transcriptional transitions in nicotiana benthamiana leaves upon induction of oil synthesis by wrinkled1 homologs from diverse species and tissues.carbon accumulation and remobilization are essential mechanisms in plants to ensure energy transfer between plant tissues with different functions or metabolic needs and to support new generations. knowledge about the regulation of carbon allocation into oil (triacylglycerol) in plant storage tissue can be of great economic and environmental importance for developing new high-yielding oil crops. here, the effect on global gene expression as well as on physiological changes in leaves transiently ...201526253704
reduction in phytic acid content and enhancement of antioxidant properties of nutricereals by processing for developing a fermented baby food.cereal blends containing pearl millet (pennisetum glaucum), sorghum (sorghum bicolor) and oat (avena sativa) in different ratios were processed (roasted and germinated) and also used as unprocessed flours followed by fermentation with lactobacillus sp. (lactobacillus casei and lactobacillus plantarum). they were screened for total phenolic content (tpc), phytic acid content (pac) and free radical scavenging activity (frsa). a formulation with the highest tpc, frsa and the lowest pac was selected ...201526028703
control of protein activity and cell fate specification via light-mediated nuclear translocation.light-activatable proteins allow precise spatial and temporal control of biological processes in living cells and animals. several approaches have been developed for controlling protein localization with light, including the conditional inhibition of a nuclear localization signal (nls) with the light oxygen voltage (aslov2) domain of phototropin 1 from avena sativa. in the dark, the switch adopts a closed conformation that sterically blocks the nls motif. upon activation with blue light the c-te ...201526083500
acylated monogalactosyl diacylglycerol: prevalence in the plant kingdom and identification of an enzyme catalyzing galactolipid head group acylation in arabidopsis thaliana.the lipid phase of the thylakoid membrane is mainly composed of the galactolipids mono- and digalactosyl diacylglycerol (mgdg and dgdg, respectively). it has been known since the late 1960s that mgdg can be acylated with a third fatty acid to the galactose head group (acyl-mgdg) in plant leaf homogenates. in certain brassicaceous plants like arabidopsis thaliana, the acyl-mgdg frequently incorporates oxidized fatty acids in the form of the jasmonic acid precursor 12-oxo-phytodienoic acid (opda). ...201526566971
[common oat (avena sativa) as a substitute for meat in simple and combined culture media]. 201513136943
[modification of smoking behavior using long-distance methods].906 persons willing to quit smoking were allocated at random to several groups. the results show that (1) an extract of avena sativa has no effect on quantity smoked; (2) distribution of the various parts of a smoking cessation program over several days was no more effective than distribution at once; (3) stopping at once was more effective than progressive reduction of cigarettes smoked.2015605682
cell fusion by simulated atmospheric discharges: further support for the hypothesis of involvement of electrofusion in evolution.electrofusion of mesophyll cell protoplasts of avena sativa was induced by simulated atmospheric discharges. it is shown both experimentally and theoretically that the potential differences which occur at quite long distances from the point of lightning stroke are large enough to induce fusion. besides electromagnetic waves which are emitted during lightning (g. küppers and u. zimmermann, febs lett. 164, 323 (1983] cell fusion may have also occurred directly by means of the voltage built-up on t ...20166516538
identification of genes in a partially resistant genotype of avena sativa expressed in response to puccinia coronata infection.cultivated oat (avena sativa), an important crop in many countries, can suffer significant losses through infection by the fungus puccinia coronata, the causal agent of crown rust disease. understanding the molecular basis of existing partial resistance to this disease might provide targets of interest for crop improvement programs. a suppressive subtractive hybridization (ssh) library was constructed using cdna from the partially resistant oat genotype mn841801-1 after inoculation with the path ...201627303424
senescence-promoting effect of arabidopside a.arabidopside a isolated from arabidopsis thaliana is a rare oxylipin, containing 12-oxophytodienoic acid (opda) and dinor-oxophytodienoic acid (dn-opda) which are known as precursors of jasmonic acid (ja) and methyl jasmonate (meja). the senescence-promoting effect of arabidopside a was examined by an oat (avena sativa) leaf assay under dark or continuous light condition. arabidopside a promoted senescence of oat leaves, and the promoting activity was more effective than for ja and opda, and as ...201616869494
structural characterization of allomelanin from black oat.the brown to black coloration found in plants is due to the melanins, which have been relatively poorly investigated among the plant pigments. the aim of this work was to study the dark pigment extracted from the black oat hull with respect to composition and structure. ultraviolet-visible (uv-vis) spectroscopy, electron paramagnetic resonance (epr) spectroscopy, matrix-assisted laser desorption/ionization-time of flight mass spectrometry (maldi-tof ms) and fourier transform infrared (ft-ir) spe ...201627427433
population structure and genotype-phenotype associations in a collection of oat landraces and historic cultivars.population structure and genetic architecture of phenotypic traits in oat (avena sativa l.) remain relatively under-researched compared to other small grain species. this study explores the historic context of current elite germplasm, including phenotypic and genetic characterization, with a particular focus on identifying under-utilized areas. a diverse panel of cultivated oat accessions was assembled from the usda national small grains collection to represent a gene pool relatively unaffected ...201627524988
host specialization of the blast fungus magnaporthe oryzae is associated with dynamic gain and loss of genes linked to transposable elements.magnaporthe oryzae (anamorph pyricularia oryzae) is the causal agent of blast disease of poaceae crops and their wild relatives. to understand the genetic mechanisms that drive host specialization of m. oryzae, we carried out whole genome resequencing of four m. oryzae isolates from rice (oryza sativa), one from foxtail millet (setaria italica), three from wild foxtail millet s. viridis, and one isolate each from finger millet (eleusine coracana), wheat (triticum aestivum) and oat (avena sativa) ...201627194050
compromised photosynthetic electron flow and h2o2 generation correlate with genotype-specific stomatal dysfunctions during resistance against powdery mildew in oats.stomatal dysfunction known as "locking" has been linked to the elicitation of a hypersensitive response (hr) following attack of fungal pathogens in cereals. we here assess how spatial and temporal patterns of different resistance mechanisms, such as hr and penetration resistance influence stomatal and photosynthetic parameters in oat (avena sativa) and the possible involvement of hydrogen peroxide (h2o2) in the dysfunctions observed. four oat cultivars with differential resistance responses (i. ...201627877184
new constitutively active phytochromes exhibit light-independent signaling activity.plant phytochromes are photoreceptors that mediate a variety of photomorphogenic responses. there are two spectral photoisomers, the red light-absorbing pr and far-red light-absorbing pfr forms, and the photoreversible transformation between the two forms is important for the functioning of phytochromes. in this study, we isolated a tyr-268-to-val mutant of avena sativa phytochrome a (asyva) that displayed little photoconversion. interestingly, transgenic plants of asyva showed light-independent ...201627325667
growth regulating properties of isoprene and isoprenoid-based essential oils.essential oils have growth regulating properties comparable to the well-documented methyl jasmonate and may be involved in localized and/or airborne plant communication. aromatic plants employ large amounts of resources to produce essential oils. some essential oils are known to contain compounds with plant growth regulating activities. however, the potential capacity of essential oils as airborne molecules able to modulate plant growth/development has remained uninvestigated. here, we demonstra ...201626400684
plant architecture, plasticity, and adaptation strategies of two oat genotypes under different competition intensities.the hypothesis that positive and negative interactions account for adaptive strategies was tested in a controlled study with two oat (avena sativa) genotypes: 'manotick' with erect leaves and 'oa1316-1' with prostrate leaves. an increasing competition pattern was designed by varying the number of seeds planted in each container and the space between containers, thus creating different planting density regimes (i.e. alternative and solid treatments).201625914023
optical control of peroxisomal trafficking.the blue-light-responsive lov2 domain of avena sativa phototropin1 (aslov2) has been used to regulate activity and binding of diverse protein targets with light. here, we used aslov2 to photocage a peroxisomal targeting sequence, allowing light regulation of peroxisomal protein import. we generated a protein tag, lov-pts1, that can be appended to proteins of interest to direct their import to the peroxisome with light. this method provides a means to inducibly trigger peroxisomal protein traffic ...201626513473
in vitro inhibition of platelet aggregation by peptides derived from oat (avena sativa l.), highland barley (hordeum vulgare linn. var. nudum hook. f.), and buckwheat (fagopyrum esculentum moench) proteins.bioactive compounds present in foods could have beneficial effects on human health. in this study, we report the capacity of peptides released from oat, highland barley, and buckwheat proteins after enzymatic digestion to inhibit platelet aggregation in vitro. all hydrolysates showed high antiplatelet activity, with ic50 values of 0.282mg/ml (oat flour gastrointestinal hydrolysate, 6h) to 2.496mg/ml (highland barley glutelin tryptic hydrolysate, 14h) in a dose-dependent manner. thirty-eight pept ...201626471595
implication of zinc excess on soil health.this study was undertaken to evaluate zinc's influence on the resistance of organotrophic bacteria, actinomyces, fungi, dehydrogenases, catalase and urease. the experiment was conducted in a greenhouse of the university of warmia and mazury (uwm) in olsztyn, poland. plastic pots were filled with 3 kg of sandy loam with phkcl - 7.0 each. the experimental variables were: zinc applied to soil at six doses: 100, 300, 600, 1,200, 2,400 and 4,800 mg of zn(2+) kg(-1) in the form of zncl2 (zinc chloride ...201626828860
impact of organic nano-vesicles in soil: the case of sodium dodecyl sulphate/didodecyl dimethylammonium bromide.aiming at contributing new insights into the effects of nanomaterials (nms) in the terrestrial ecosystem, this study evaluated the impacts of organic nano-vesicles of sodium dodecyl sulphate/didodecyl dimethylammonium bromide (sds/ddab) on the emergence and growth of plant seeds, and on the avoidance and reproduction of soil invertebrates. for this purpose several ecotoxicological assays were performed with different test species (terrestrial plants: zea mays, avena sativa, brassica oleracea and ...201626795542
effect of fodder tree species with condensed tannin contents on in vitro methane production.the objective was to evaluate the effect of fodder tree species (fts) with condensed tannin contents: cordia elaeagnoides, platymiscium lasiocarpum, vitex mollis, and haematoxylon brasiletto, on in vitro methane (ch4) production at 24 h post incubation. the analysis was performed using the in vitro gas production technique, with three levels of inclusion/species: 600, 800, and 1,000 mg and with 4 replicates/species/level of inclusion. the substrate was incubated at 39°c, and the gas and ch4 prod ...201626732330
regulation of neural gene transcription by optogenetic inhibition of the re1-silencing transcription factor.optogenetics provides new ways to activate gene transcription; however, no attempts have been made as yet to modulate mammalian transcription factors. we report the light-mediated regulation of the repressor element 1 (re1)-silencing transcription factor (rest), a master regulator of neural genes. to tune rest activity, we selected two protein domains that impair rest-dna binding or recruitment of the cofactor msin3a. computational modeling guided the fusion of the inhibitory domains to the ligh ...201626699507
proteomic analysis of salt-responsive proteins in oat roots (avena sativa l.).oat is considered as a moderately salt-tolerant crop that could be used to improve saline and alkaline soil. previous studies have focused on short-term salt stress exposure (0.5-48 h), while molecular mechanisms of salt tolerance in oat remain unclear.201626689600
identification of a new oat β-amylase by functional proteomics.oat (avena sativa l.) seed extracts exhibited a high degree of catalytic activity including amylase activities. proteins in the oat seed extracts were optimized for their amylolytic activities. oat extract with amylolytic activity was separated by sds-page and a major protein band with an apparent molecular mass of 53 kda was subjected to tryptic digestion. the generated amino acid sequences were analyzed by liquid chromatography–tandem mass spectrometry (lc/esi/ms/ms) and database searches. the ...201626455400
studies on optically active pesticides, i synthesis and herbicidal activity of d(+) and 1(-) methyl-2-chloro-3-(4-chlorophenyl)-propionate.d(+) and 1(-) methyl-2-chloro-3-(4-chlorophenyl)-propionate (common name chlorfenprop-methyl; trade mark bidisin) were prepared and their herbicidal activities studied on avena fatua l. and avena sativa l. ("flämingskrone"). the 1(-) enantiomer was found to be twice as active as the racemate; the d(+) form almost inactive.2016134566
oats-from farm to fork.oats have a long history of use as human food and animal feed. from its origins in the fertile crescent, the oat has adapted to a wide range of climatic conditions and geographic regions. its unique macro-, micro-, and phytonutrient composition, high nutritional value, and relatively low agricultural input requirements makes oats unique among cereal crops. the health benefits of the oats are becoming well established. while the connection between oat β-glucan fiber in reducing the risk of cardio ...201626944101
effects of intercropping of oat (avena sativa l.) with white lupin (lupinus albus l.) on the mobility of target elements for phytoremediation and phytomining in soil solution.this study aims to investigate how intercropping of oat (avena sativa l.) with white lupin (lupinus albus l.) affects the mobile fractions of trace metals (fe, mn, pb, cd, th, u, sc, la, nd, ge) in soil solution. oat and white lupin were cultivated in monocultures and mixed cultures with differing oat/white lupin ratios (11% and 33% lupin, respectively). temporal variation of soil solution chemistry was compared with the mobilization of elements in the rhizosphere of white lupin and concentratio ...201626940160
post-translational control of protein function with light using a lov-intein fusion protein.methods for the post-translational control of protein function with light hold much value as tools in cell biology. to this end, we report a fusion protein that consists of dnae split-inteins, flanking the light sensitive lov2 domain of avena sativa. the resulting chimera combines the activities of these two unrelated proteins to enable controlled formation of a functional protein via upregulation of intein splicing with blue light in bacterial and human cells.201626940144
lipid profiles of detergent resistant fractions of the plasma membrane in oat and rye in association with cold acclimation and freezing tolerance.cold acclimation (ca) results in alteration of the plasma membrane (pm) lipid composition in plants, which plays a crucial role in the acquisition of freezing tolerance via membrane stabilization. recent studies have indicated that pm structure is consistent with the fluid mosaic model but is laterally non-homogenous and contains microdomains enriched in sterols, sphingolipids and specific proteins. in plant cells, the function of these microdomains in relation to ca and freezing tolerance is no ...201626904981
pyricularia graminis-tritici, a new pyricularia species causing wheat blast.pyricularia oryzae is a species complex that causes blast disease on more than 50 species of poaceous plants. pyricularia oryzae has a worldwide distribution as a rice pathogen and in the last 30 years emerged as an important wheat pathogen in southern brazil. we conducted phylogenetic analyses using 10 housekeeping loci for 128 isolates of p. oryzae sampled from sympatric populations of wheat, rice, and grasses growing in or near wheat fields. phylogenetic analyses grouped the isolates into thr ...201628232765
conversion of oat (avena sativa l.) haploid embryos into plants in relation to embryo developmental stage and regeneration media.obtaining oat dh lines is only effective via wide crossing with maize. seven hundred haploid embryos from 21 single f1 progeny obtained from wide crosses with maize were isolated, divided into four groups according to their size (<0.5 mm, 0.5-0.9 mm, 1.0-1.4 mm, and ≥1.5 mm), and transferred into 190-2 regeneration medium with different growth regulators: 0.5 mg l(-1) kinetin (kin) and 0.5 mg l(-1) 1-naphthaleneacetic acid (naa); 1 mg l(-1) zeatin (zea) and 0.5 mg l(-1) naa; or 1 mg l(-1) dicamb ...201628042230
the impact of oat (avena sativa) consumption on biomarkers of renal function in patients with chronic kidney disease: a parallel randomized clinical trial.animal studies report that oat (avena sativa l) intake has favorable effects on kidney function. however, the effects of oat consumption have not been assessed in humans. the aim of this study was to examine the impact of oat intake on biomarkers of renal function in patients with chronic kidney disease (ckd).201628003041
key phytochemicals contributing to the bitter off-taste of oat (avena sativa l.).sensory-directed fractionation of extracts prepared from oat flour (avena sativa l.) followed by lc-tof-ms, lc-ms/ms, and 1d/2d-nmr experiments revealed avenanthramides and saponins as the key phytochemicals contributing to the typical astringent and bitter off-taste of oat. besides avenacosides a and b, two previously unreported bitter-tasting bidesmosidic saponins were identified, namely, 3-(o-α-l-rhamnopyranosyl(1→2)-[β-d-glucopyranosyl(1→3)-β-d-glucopyranosyl(1→4)]-β-d-glucopyranosid)-26-o-β ...201627983806
rhizosphere organic anions play a minor role in improving crop species' ability to take up residual phosphorus (p) in agricultural soils low in p availability.many arable lands have accumulated large reserves of residual phosphorus (p) and a relatively large proportion of soil p is less available for uptake by plants. root released organic anions are widely documented as a key physiological strategy to enhance p availability, while limited information has been generated on the contribution of rhizosphere organic anions to p utilization by crops grown in agricultural soils that are low in available p and high in extractable ca, al, and fe. we studied t ...201627872635
photoadduct formation from the fmn singlet excited state in the lov2 domain of chlamydomonas reinhardtii phototropin.the two light, oxygen, and voltage domains of phototropin are blue-light photoreceptor domains that control various functions in plants and green algae. the key step of the light-driven reaction is the formation of a photoadduct between its fmn chromophore and a conserved cysteine, where the canonical reaction proceeds through the fmn triplet state. here, complete photoreaction mapping of crlov2 from chlamydomonas reinhardtii phototropin and aslov2 from avena sativa phototropin-1 was realized by ...201627766868
the starch-bound alpha-amylase/trypsin-inhibitors in avena.oat kernels exhibit an extra-soft texture, a trait recently demonstrated to be largely modulated by starch-bound tryptophan-rich 2s proteins, the vromindolines. in this study, fractionation by two-dimensional electrophoresis of starch-bound proteins in 25 oat (avena sativa) cultivars and 11 diploid or tetraploid avena species revealed novel 2s proteins called avena α-amylase/trypsin-inhibitors (aati) because of their sequence similarity with wheat α-amylase/trypsin inhibitors. thirty-seven aati ...201627495179
changes in the ecological properties of organic wastes during their biological treatment.organic wastes, such as the organic fractions of municipal solid waste (ofmsw) or sewage sludge (ss), have become a serious environmental problem in russia as well as in other countries. the use of these wastes as soil amendments allows their negative impact on the environment to be minimized. however, before these wastes can be used, they need to be treated appropriately in order to decrease their level of hazard. in this study, composting of raw ss, ofmsw, a mixture of these two wastes (ofmsw+ ...201627692790
engineering and application of lov2-based photoswitches.cellular optogenetic switches, a novel class of biological tools, have improved our understanding of biological phenomena that were previously intractable. while the design and engineering of these proteins has historically varied, they are all based on borrowed elements from plant and bacterial photoreceptors. in general terms, each of the optogenetic switches designed to date exploits the endogenous light-induced change in photoreceptor conformation while repurposing its effect to target a dif ...201627586333
unfolding of the c-terminal jα helix in the lov2 photoreceptor domain observed by time-resolved vibrational spectroscopy.light-triggered reactions of biological photoreceptors have gained immense attention for their role as molecular switches in their native organisms and for optogenetic application. the light, oxygen, and voltage 2 (lov2) sensing domain of plant phototropin binds a c-terminal jα helix that is docked on a β-sheet and unfolds upon light absorption by the flavin mononucleotide (fmn) chromophore. in this work, the signal transduction pathway of lov2 from avena sativa was investigated using time-resol ...201627537211
c-banding of plant chromosomes.c-banding is used to differentially stain metaphase chromosomes in organisms having appreciable amounts of constitutive heterochromatin. its primary benefits are that it is an inexpensive and a relatively fast method of identifying individual chromosomes and morphological or karyotypic variation, including large chromosomal rearrangements and aneuploidies. we currently employ this technique with considerable effect in genome analysis of oat (avena sativa) and related grass species, though it has ...201627511162
evidence for an early origin of vernalization responsiveness in temperate pooideae grasses.the ability of plants to match their reproductive output with favorable environmental conditions has major consequences both for lifetime fitness and geographic patterns of diversity. in temperate ecosystems, some plant species have evolved the ability to use winter nonfreezing cold (vernalization) as a cue to ready them for spring flowering. however, it is unknown how important the evolution of vernalization responsiveness has been for the colonization and subsequent diversification of taxa wit ...201627474116
proteomic and physiological analysis of the response of oat (avena sativa) seeds to heat stress under different moisture conditions.seeds lose their viability when they are exposed to high temperature and moisture content (mc) during storage. the expression and metabolism of proteins plays a critical role in seed resistance to heat stress. however, the proteome response to heat stress in oat (avena sativa) seeds during storage has not been revealed. to understand mechanisms of heat stress acclimation and tolerance in oat seeds, an integrated physiological and comparative proteomic analysis was performed on oat seeds with dif ...201627446126
plant identity exerts stronger effect than fertilization on soil arbuscular mycorrhizal fungi in a sown pasture.arbuscular mycorrhizal (am) fungi play key roles in plant nutrition and plant productivity. am fungal responses to either plant identity or fertilization have been investigated. however, the interactive effects of different plant species and fertilizer types on these symbiotic fungi remain poorly understood. we evaluated the effects of the factorial combinations of plant identity (grasses avena sativa and elymus nutans and legume vicia sativa) and fertilization (urea and sheep manure) on am fung ...201627423979
chlorophyll fluorescence, photochemical reflective index and normalized difference vegetative index during plant senescence.the relationship between the photochemical reflectance index (pri), normalized difference vegetation index (ndvi) and chlorophyll fluorescence along senescence was investigated in this work. reflectance and radiance measurements were performed at canopy level in grass species presenting different photosynthetic metabolism: avena sativa (c3) and setaria italica (c4), at different stages of the natural senescence process. sun induced-chlorophyll fluorescence at 760nm (sif760) and the apparent fluo ...201627302011
colloidal oatmeal <em>(avena sativa)</em> improves skin barrier through multi-therapy activity.oats (avena sativa) are a centuries-old topical treatment for a variety of skin barrier conditions, including dry skin, skin rashes, and eczema; however, few studies have investigated the actual mechanism of action for the skin barrier strengthening activity of colloidal oatmeal. four extracts of colloidal oatmeal were prepared with various solvents and tested in vitro for skin barrier related gene expression and activity. extracts of colloidal oatmeal were found to induce the expression of gene ...201627272074
the effect of new thiophene-derived aminophosphonic derivatives on growth of terrestrial plants: a seedling emergence and growth test.the aim of this work was to synthesize selected thiophene-derived aminophosphonic systems and evaluate the phytotoxicity of newly obtained products according to the oecd 208 guideline. seven new thiophene-derived n-substituted dimethyl aminomethylphosphonic acid esters 2a-h were synthesized by the addition of an appropriate phosphite to azomethine bond of starting schiff bases 1a-h, and nmr spectroscopic properties of aminophosphonates were investigated. these eight compounds were analyzed in re ...201627248990
Displaying items 1001 - 1100 of 1129