Publications
| Title | Abstract | Year(sorted ascending) Filter | PMID Filter |
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| yield of four agaricus bisporus strains in three compost formulations and chemical composition analyses of the mushrooms. | three compost formulations, consisting of two varieties of cynodom dactylon (l.) pers. (coast-cross and tyfton) and oat (avena sativa) straw were tested for the cultivation of a. bisporus strains abi-01/01, abi-04/02, abi-05/03, and abi-06/04. a completely randomized experimental design in a factorial scheme was adopted, with 12 treatments (4 a. bisporus strains × 3 types of compost) and 8 replicates. each experimental unit corresponded to one box containing 12 - 12.5 kg fresh wet compost. the d ... | 2008 | 24031271 |
| can artificial soil be used in the vegetative vigor test for u.s. pesticide registration? | current testing guidelines for pesticide registration for the protection of nontarget plants calls for the use of sterilized, standardized soil consisting of primarily sandy loam, loamy sand, loamy clay, or clay loam that contains up to 3% organic matter. low organic matter soils can be difficult to manage in a greenhouse setting because when soils dry, they contract, causing impeded water infiltration, or when overwatered, poor drainage increases the chances of anaerobic conditions. the purpose ... | 2008 | 18563958 |
| fusion of oil bodies in endosperm of oat grains. | few microscopical studies have been made on lipid storage in oat grains, with variable results as to the extent of lipid accumulation in the starchy endosperm. grains of medium- and high-lipid oat (avena sativa l.) were studied at two developmental stages and at maturity, by light microscopy using different staining methods, and by scanning and transmission electron microscopy. discrete oil bodies occurred in the aleurone layer, scutellum and embryo. in contrast, oil bodies in the starchy endosp ... | 2008 | 18563438 |
| bioavailability of chemical pollutants in contaminated soils and pitfalls of chemical analyses in hazard assessment. | decision-making for remediation of industrial wastelands are still based on the concentrations of pollutants of concern measured in soils. in this work, two soils polluted by polycyclic aromatic hydrocarbons (pahs) and metals were investigated for their toxicity on earthworms (eisenia fetida), collembolae (folsomia candida), and higher plants (brassica chinensis, lactucca sativa and avena sativa) in order to study the relationships between chemical contamination and biological effects. although ... | 2008 | 18561306 |
| development of pcr-based scar and caps markers linked to beta-glucan and protein content qtl regions in oat. | a key breeding objective in oat (avena sativa l.) is cultivars with high and low beta-glucan content. in a targeted strategy to develop pcr-based markers linked to published beta-glucan content quantitative trait loci (qtls) regions, 15 random amplified polymorphic dna (rapd) fragments were cloned and their sequences used to design sequence-characterized amplified region (scar) and cleaved amplified polymorphic sequence (caps) primers. the 13 derived scar markers and 2 derived caps markers were ... | 2008 | 18521120 |
| biological testing of a digested sewage sludge and derived composts. | aiming to evaluate a possible loss of soil habitat function after amendment with organic wastes, a digested sewage sludge and derived composts produced with green residues, where biologically tested in the laboratory using soil animals (eisenia andrei and folsomia candida) and plants (brassica rapa and avena sativa). each waste was tested mimicking a field application of 6ton/ha or 12ton/ha. avoidance tests did not reveal any impact of sludge and composts to soil biota. germination and growth te ... | 2008 | 18413285 |
| line-scanning microscopy for time-gated and spectrally resolved fluorescence imaging. | laser-scanning fluorescence microscopy for efficient acquisition of time-gated and spectrally resolved fluorescence images was developed based on line illumination of the laser beam and detection of the fluorescence image through a slit. in this optical arrangement, the fluorescence image was obtained by scanning only one axis perpendicular to the excitation line, and the acquisition time was significantly reduced compared with conventional laser-scanning confocal microscopy. a multidimensional ... | 2008 | 19669492 |
| cenl1 expression in the rib meristem affects stem elongation and the transition to dormancy in populus. | we investigated the short day (sd)-induced transition to dormancy in wild-type hybrid poplar (populus tremula x p. tremuloides) and its absence in transgenic poplar overexpressing heterologous phytochrome a (phya). centroradialis-like1 (cenl1), a poplar ortholog of arabidopsis thaliana terminal flower1 (tfl1), was markedly downregulated in the wild-type apex coincident with sd-induced growth cessation. by contrast, poplar overexpressing a heterologous avena sativa phya construct (p35s:asphya), w ... | 2008 | 18192437 |
| effects of diet on population growth of psocids lepinotus reticulatus and liposcelis entomophila. | we investigated the suitability of 11 diets as culture media for the psocids lepinotus reticulatus enderlein (psocoptera: trogiidae) and liposcelis entomophila (enderlein) (psocoptera: liposcelididae). the culture media comprised six diets made of plain cereals, namely, wheat (triticum aestivum l.), corn (zea mays l.), milo sorghum bicolor (l.), barley (hordeum vulgare l.), oats (avena sativa l.), and rice (oryza sativa l.), and five artificial diets. we found that, with the exception of corn, l ... | 2008 | 18459431 |
| light-activated dna binding in a designed allosteric protein. | an understanding of how allostery, the conformational coupling of distant functional sites, arises in highly evolvable systems is of considerable interest in areas ranging from cell biology to protein design and signaling networks. we reasoned that the rigidity and defined geometry of an alpha-helical domain linker would make it effective as a conduit for allosteric signals. to test this idea, we rationally designed 12 fusions between the naturally photoactive lov2 domain from avena sativa photo ... | 2008 | 18667691 |
| in vitro and in vivo inhibition of plant polyamine oxidase activity by polyamine analogues. | polyamine oxidase from avena sativa l. cv. cristal seedlings was purified to homogeneity using a simple four-step purification protocol including an infiltration washing technique. the enzyme had a high affinity for spermidine and spermine (k(m) approximately 5.5 and 1.2 microm, respectively), and also oxidized norspermidine (k(m) approximately 64.0 microm). natural and synthetic diamines, cyclohexylamine, the putrescine analogue 1-aminooxy-3-aminopropane, and several polyamine analogues had inh ... | 2008 | 18783804 |
| qualitative and quantitative trait loci conditioning resistance to puccinia coronata pathotypes nqmg and lgcg in the oat (avena sativa l.) cultivars ogle and tam o-301. | mapping disease resistance loci relies on the type and precision of phenotypic measurements. for crown rust of oat, disease severity is commonly assessed based on visual ratings of infection types (it) and/or diseased leaf area (dla) of infected plants in the greenhouse or field. these data can be affected by several variables including; (i) non-uniform disease development in the field; (ii) atypical symptom development in the greenhouse; (iii) the presence of multiple pathogenic races or pathot ... | 2008 | 18193188 |
| phytotoxicity of major constituents of the volatile oil from leaves of artemisia scoparia waldst. & kit. | the phytotoxicity of the three major monoterpene constituents of the essential oil from leaves of artemisia scoparia waldst. & kit. (redstem wormwood) was investigated. gc/gc-ms analysis revealed that the essential oil (yield 0.84%) is a complex mixture containing 19 monoterpenes, 7 sesquiterpenes and 15 other compounds--aliphatic alcohols, ketones, aromatic hydrocarbons and esters. the three major monoterpenes were beta-myrcene (30.2%), p-cymene (12.8%) and dl-limonene (12.4%). the essential oi ... | 2008 | 19040104 |
| oat: unique among the cereals. | this review is intended to focus on the composition of oat and its therapeutic potential in the pharmacology that supports its use to cure various maladies. oat (avena sativa) is distinct among the cereals due to its multifunctional characteristics and nutritional profile. recent advancement in food and nutrition has revealed the importance of its various components. it is a good source of dietary fiber especially beta-glucan, minerals and other nutrients. oat and oat by products have been prove ... | 2008 | 18301937 |
| radiation hybrid (rh) and happy mapping in plants. | radiation hybrid (rh) and happy mapping are two technologies used in animal systems that have attracted the attention of the plant genetics community because they bridge the resolution gap between meiotic and bac-based physical mapping that would facilitate the analysis of plant species lacking substantial genomics resources. research has shown that the essence of these approaches can be applied and that a variety of strategies can be used to produce mapping panels. mapping panels composed of li ... | 2008 | 18504352 |
| naked oats: metabolisable energy yield from a range of varieties in broilers, cockerels and turkeys. | 1. naked oats belong to the same species as 'common oats', avena sativa, but have a non-lignified husk which readily becomes detached during harvesting. the absence of the indigestible husk can be predicted to give an increased metabolisable energy (me) content for poultry. 2. measurements of true metabolisable energy (tme(n)) were performed on 3-week-old broiler chicks (cobb males), adult cockerels (isa brown, greater than one year old) and 7-week-old turkeys (but t8 males). the measurements we ... | 2008 | 18568762 |
| agrobacterium-mediated transformation of oat (avena sativa l.) cultivars via immature embryo and leaf explants. | this paper reports on the successful agrobacterium-mediated transformation of oat, and on some factors influencing this process. in the first step of the experiments, three cultivars, two types of explant, and three combinations of strain/vectors, which were successfully used for transformation of other cereals were tested. transgenic plants were obtained from the immature embryos of cvs. bajka, slawko and akt and from leaf base explants of cv. bajka after transformation with a. thumefaciens str ... | 2008 | 18690445 |
| phytoremediation of oil-sludge-contaminated soil. | the aim of this research was to select plant species that could be effective in the phytoremediation ofa former oil-sludge pit. seven crop plants (triticum aestivum l., secale cereale l., avena sativa l., hordeum vulgare, sorghum bicolor l moench, panicum miliaceum l, and zea mays l.),five wild grasses (lolium perenne l., bromopsis inermis, agropyron cristatum l., agropyrum tenerum l., and festuca pratensis huds.), and three legumes (medicago sativa l., trifolium pratense l., and onobrychis anta ... | 2008 | 19260228 |
| effects of a killed-cover crop mulching system on sweetpotato production, soil pests, and insect predators in south carolina. | sweetpotatoes, ipomoea batatas (l.) lam. (convolvulaceae), are typically grown on bare soil where weeds and erosion can be serious problems. conservation tillage systems using cover crop residues as mulch can help reduce these problems, but little is known about how conservation tillage affects yield and quality of sweetpotato or how these systems impact populations of beneficial and pest insects. therefore, field experiments were conducted at the u.s. vegetable laboratory, charleston, sc, in 20 ... | 2008 | 19133469 |
| a randomized controlled trial of homeopathic treatment of weaned piglets in a commercial swine herd. | to evaluate the zootechnic performance and occurrence of diarrhea in piglets in the week post-weaning comparing supplementation with sucrose saline which contained or did not contain added homeopathic medicine. | 2008 | 19371569 |
| evidence for variation in the optimal translation initiation complex: plant eif4b, eif4f, and eif(iso)4f differentially promote translation of mrnas. | eukaryotic initiation factor (eif) 4b is known to interact with multiple initiation factors, mrna, rrna, and poly(a) binding protein (pabp). to gain a better understanding of the function of eif4b, the two isoforms from arabidopsis (arabidopsis thaliana) were expressed and analyzed using biophysical and biochemical methods. plant eif4b was found by ultracentrifugation and light scattering analysis to most likely be a monomer with an extended structure. an extended structure would facilitate the ... | 2009 | 19493973 |
| in vitro fermentation of oat flours from typical and high beta-glucan oat lines. | two publicly available oat (avena sativa) lines, "jim" and "paul" (5.17 and 5.31% beta-glucan, respectively), and one experimental oat line "n979" (7.70% beta-glucan), were used to study the effect of beta-glucan levels in oat flours during simulated in vitro digestion and fermentation with human fecal flora obtained from different individuals. the oat flours were digested by using human digestion enzymes and fermented by batch fermentation under anaerobic conditions for 24 h. the fermentation p ... | 2009 | 19572543 |
| coularray electrochemical evaluation of tocopherol and tocotrienol isomers in barley, oat and spelt grains. | hexane extracts obtained from hordeum vulgare l. (barley), avena sativa l. (oat), triticum spelta schrank and triticum dicoccum schrank ex schübler (spelt or emmer) whole grains, were examined for their tocochromanol (tocopherol and tocotrienol) content. the analyses were carried out on fatty extracts by means of hplc coupled with a coulometric array electrochemical detector (ecd). due to the specific high selectivity of the detector, the sample can be directly injected without any preliminary t ... | 2009 | 19370933 |
| mapping of sts markers obtained from oat resistance gene analog sequences. | two previously isolated resistance gene analogs (rgas) of oat have been located as rflps in the reference map of avena byzantina 'kanota' x avena sativa 'ogle' in regions either homologous or homoeologous to loci for resistance to puccinia coronata, the causal agent of crown rust. in this study, the rgas were mapped in two recombinant inbred line (ril) populations that segregate for crown rust resistance: the diploid avena strigosa x avena wiestii ril population (asw), which has been used for ma ... | 2009 | 19767892 |
| computer analysis of phytochrome sequences from five species: implications for the mechanism of action. | the amino acid sequences of phytochrome from avena sativa, oryza sativa, curcurbita pepo, pisum sativum and arabidopsis thaliana have been analyzed with a variety of computer programs, with a view to identifying areas of the protein which contribute to the properties of this photoreceptor. a region at the c-terminus has been shown to be amphiphilic, and by analogy with surface-seeking peptides, may be responsible for interaction of phytochrome with lipid bilayers. possible targeting sequences in ... | 2009 | 2291773 |
| alpaca plant poisonings: nitrate-nitrite and possible cyanide. | nitrate-nitrite poisoning killed four adult alpacas and induced the abortion of a full-term fetus after access to oaten hay (avena sativa) containing 3.2% kno(3) equivalent in dry matter. necropsy findings were cyanosis, dark-coloured blood, and pulmonary congestion and oedema. aqueous humour from two adults contained 25 mg no(3)/l and that from the fetus contained 10 mg no(3)/l. cyanide poisoning possibly killed two adult wether alpacas that ate a garden-cultivated variety of osteospermum ecklo ... | 2009 | 19245625 |
| an extract from wild green oat improves rat behaviour. | an extract of wild green oat (avena sativa l.), was tested in vivo in rats for its behavioural effects after chronic oral administration via extract-admixed food. thirty six male sprague-dawley rats received (a) standard diet (controls), (b) 10 g/kg extract-admixed food or (c) 100 g/kg extract-admixed food. the following behavioural tests were performed: elevated plus maze, forced swimming, conditioned avoidance response and tetradic encounter. body weight, food and fluid consumption were measur ... | 2009 | 19322760 |
| intercropped oats (avena sativa) - common vetch (vicia sativa) silage in the dry season for small-scale dairy systems in the highlands of central mexico. | small-scale dairy systems in the highlands of central mexico require feeding strategies based on quality home-grown forage that may reduce high concentrate costs. eight holstein cows paired by parity and date of calving were used in a split-plot experiment to evaluate supplementing 6 kg dm/cow/d of oat-vetch silage (ovs) in comparison to maize silage (ms) as dry season feeding, for a more intensive use of the land through an oat-vetch catch crop. cows had 9 h/d access to continuous grazing of pe ... | 2009 | 19002599 |
| performance of growing lambs fed processed karanj (pongamia glabra) oil seed cake as partial protein supplement to soybean meal. | the aim of this study was to determine whether processed karanj (pongamia glabra) oil seed cake can be used as a supplement to partially replace soybean meal (sbm). male lambs (n = 24) of uniform body weight (12.88 +/- 0.15 kg) were equally allotted at random to a sbm-based control (con) and three test concentrate mixtures, containing detoxified solvent extracted karanj cake (skc) using three processing methods: water washing (ww), 2.5% lime (lm) and 0.4% binder (bn) treatment. the processed skc ... | 2009 | 19320936 |
| [effect of strengthening solar ultraviolet b band irradiation on oat (avena sativa l. ) yield and its components in qing tibetan plateau]. | stratospheric ozone depletion occurs mainly over polar regions during the spring when the solar ultraviolet b-band (280-315 nm, uv-b) radiation is most intense in a year, but over the qing tibetan plateau region, the highest intensity is from june to september when the amount of uv-b radiation reaching the regions is more than that in the adjacent areas lying in the same latitude by 10%. from june to september is just the time of plant's germination, development, and reproduction in the alpine r ... | 2009 | 19839346 |
| angiotensin-i converting enzyme inhibitory activity of hydrolysates from oat (avena sativa) proteins by in silico and in vitro analyses. | the potential for producing antihypertensive peptides from oat proteins through enzymatic hydrolysis was assessed in silico and confirmed in vitro. thermolysin (ec 3.4.24.27) was predicted using biopep database as the enzyme that would theoretically produce the most angiotensin i converting enzyme (ace) inhibitory peptides from oat. experimental evidence confirmed that strong ace-inhibitory activity was produced under various hydrolysis conditions. hydrolysates produced under high enzyme-to-subs ... | 2009 | 19731915 |
| addition of individual chromosomes of maize inbreds b73 and mo17 to oat cultivars starter and sun ii: maize chromosome retention, transmission, and plant phenotype. | oat-maize addition (oma) lines with one, or occasionally more, chromosomes of maize (zea mays l., 2n = 2x = 20) added to an oat (avena sativa l., 2n = 6x = 42) genomic background can be produced via embryo rescue from sexual crosses of oat x maize. self-fertile disomic addition lines of different oat genotypes, mainly cultivar starter, as recipient for maize chromosomes 1, 2, 3, 4, 5, 6, 7, 9, and the short arm of 10 and a monosomic addition line for chromosome 8, have been reported previously i ... | 2009 | 19707741 |
| nitrogen fertilizer effects on soil carbon balances in midwestern u.s. agricultural systems. | a single ecosystem dominates the midwestern united states, occupying 26 million hectares in five states alone: the corn-soybean agroecosystem [zea mays l.-glycine max (l.) merr.]. nitrogen (n) fertilization could influence the soil carbon (c) balance in this system because the corn phase is fertilized in 97-100% of farms, at an average rate of 135 kg n x ha(-1) x yr(-1). we evaluated the impacts on two major processes that determine the soil c balance, the rates of organic-carbon (oc) inputs and ... | 2009 | 19688919 |
| [effects of enhanced solar uv-b radiation on the effective photosynthetic leaf area and milking phase of oat under natural field condition in qing tibetan plateau]. | stratospheric ozone depletion occurs mainly over polar regions during the spring when the solar ultraviolet b-band (280-315 nm, uv-b) radiation is most intense in a year, but over the qing tibetan plateau region, the intensity is highest from june to september when the amount of uv-b radiation reaching the regions is more than that in the adjacent areas lying in the same latitude by 10%. from june to september is just the time of plant's germination, development, and reproduction in the alpine r ... | 2009 | 19650494 |
| conformational heterogeneity and propagation of structural changes in the lov2/jalpha domain from avena sativa phototropin 1 as recorded by temperature-dependent ftir spectroscopy. | phototropins control phototropism, chloroplast movement, stomatal opening, and leaf expansion in plants. phototropin 1 (phot1) is composed of a kinase domain linked to two blue light-sensing domains, lov2 and lov1, which bind flavin mononucleotide. disruption of the interaction between the lov2 domain and a helical segment named jalpha, joining lov to the kinase domain, induces the subsequent kinase activity of phototropin 1 and further-downstream signal transduction. here we study the effects o ... | 2009 | 19580761 |
| primary reactions of the lov2 domain of phototropin studied with ultrafast mid-infrared spectroscopy and quantum chemistry. | phototropins, major blue-light receptors in plants, are sensitive to blue light through a pair of flavin mononucleotide (fmn)-binding light oxygen and voltage (lov) domains, lov1 and lov2. lov2 undergoes a photocycle involving light-driven covalent adduct formation between a conserved cysteine and the fmn c(4a) atom. here, the primary reactions of avena sativa phototropin 1 lov2 (aslov2) were studied using ultrafast mid-infrared spectroscopy and quantum chemistry. the singlet excited state (s1) ... | 2009 | 19580760 |
| changes in cadmium mobility during composting and after soil application. | the effect of twelve weeks of composting on the mobility and bioavailability of cadmium in six composts containing sewage sludge, wood chips and grass was studied, along with the cadmium immobilization capacity of compost. two different soils were used and cd accumulation measured in above-ground oat biomass (avena sativa l.). increasing ph appears to be an important cause of the observed decreases in available cadmium through the composting process. a pot experiment was performed with two diffe ... | 2009 | 19398321 |
| phytotoxic activity of salvia x jamensis. | a study has been carried out on the surface exudate of salvia x jamensis, which showed a significant phytotoxic activity against papaver rhoeas l. and avena sativa l.. bioguided separation of the exudate yielded active fractions from which 3 beta-hydroxy-isopimaric acid (1), hautriwaic acid (2), betulinic acid (3), 7,8 beta-dihydrosalviacoccin (4), isopimaric acid (5), 14 alpha-hydroxy-isopimaric acid (7), 15,16-epoxy-7 alpha, 10 beta-dihydroxy-clerod-3,13(16),14-trien-17,12;18,19-diolide (8), c ... | 2009 | 20120094 |
| transformation of oats and its application to improving osmotic stress tolerance. | oat (avena sativa l.), a worldwide temperate cereal crop, is deficient in tolerance to osmotic stress due to drought and/or salinity. to genetically transform the available commercial oat cultivars, a genotype-independent and efficient regeneration system from shoot apical meristems was developed using four oat cultivars: prairie, porter, ogle, and pacer. all these oat cultivars generated a genotype-independent in vitro differentiated multiple shoots from shoot apical meristems at a high frequen ... | 2009 | 19009445 |
| new dart markers for oat provide enhanced map coverage and global germplasm characterization. | genomic discovery in oat and its application to oat improvement have been hindered by a lack of genetic markers common to different genetic maps, and by the difficulty of conducting whole-genome analysis using high-throughput markers. this study was intended to develop, characterize, and apply a large set of oat genetic markers based on diversity array technology (dart). | 2009 | 19159465 |
| high-resolution spatial and temporal analysis of phytoalexin production in oats. | the production of oat (avena sativa l.) phytoalexins, avenanthramides, occurs in response to elicitor treatment with oligo-n-acetylchitooligosaccharides. in this study, avenanthramides production was investigated by techniques that provide high spatial and temporal resolution in order to clarify the process of phytoalexin production at the cellular level. the amount of avenanthramides accumulation in a single mesophyll cell was quantified by a combination of laser micro-sampling and low-diffuse ... | 2009 | 19148672 |
| lipid asymmetry in plant plasma membranes: phosphate deficiency-induced phospholipid replacement is restricted to the cytosolic leaflet. | as in other eukaryotes, plant plasma membranes contain sphingolipids, phospholipids, and free sterols. in addition, plant plasma membranes also contain sterol derivatives and usually <5 mol% of a galactolipid, digalactosyldiacylglycerol (dgdg). we earlier reported that compared to fully fertilized oats (avena sativa), oats cultivated without phosphate replaced up to 70 mol% of the root plasma membrane phospholipids with dgdg. here, we investigated the implications of a high dgdg content on membr ... | 2010 | 19966136 |
| mechanism of signal transduction of the lov2-jα photosensor from avena sativa. | fusion proteins containing blue-light-activable protein domains possess great potential as molecular switches in cell signalling. this has recently been impressively demonstrated by connecting the light oxygen voltage lov2-jα-protein domain of a. sativa (aslov2-jα) with the rac1-gtpase, responsible for regulating the morphology and motility of metazoan cells. however, a target-oriented development of fusion proteins in conjunction with this photosensor is still very challenging, because a detail ... | 2010 | 21081920 |
| drought stress induced changes in lipid peroxidation and antioxidant system in genus avena. | seven species of genus avena viz., avena sativa, avena strigosa, avena brevis, avena vaviloviana, avena abyssinica, avena marocana and avena sterilis were used to study the impact of drought stress on lipid peroxidation and other antioxidant enzymes. maximum increase in the catalase activity was recorded in a. vaviloviana (129.97%) followed by a. sativa (122.82%) and a. brevis (83.38%) at vegetative stage; however at flowering stage the maximum increase was reported in a. sativa (25.62%) followe ... | 2010 | 21186716 |
| increased water resistance of ctmp fibers by oat (avena sativa l.) husk lignin. | the insertion of oat husk lignin onto chemithermomechanical pulp (ctmp) fibers was studied to increase fiber hydrophobicity. the pretreated pulp samples were subsequently used for preparation of handsheets for characterization. treatment of ctmp with laccase in the presence of oat husk lignin resulted in a significant increase in hydrophobicity of the handsheet surface, as indicated by dynamic contact angle analysis. water absorption time of 8 s was obtained with initial contact angle of 118°. a ... | 2010 | 20973545 |
| electrogenic plasma membrane h+-atpase activity using voltage sensitive dyes. | fast responding voltage sensitive dyes, rh421 and di-4-aspbs, were used to study the electrogenic properties of plant plasma membrane proton pumps on sealed plasma membrane vesicles extracted by two-phase partitioning from beta vulgaris and avena sativa cv swan root material. fluorescence spectroscopy in the presence of the dye rh421 (10.8 nm) was sufficiently sensitive to detect electrogenic activity of the extracted plant vesicles. the dye detection system could detect inhibition of electrogen ... | 2010 | 20734224 |
| soluble sugar availability of aerobically germinated barley, oat and rice coleoptiles in anoxia. | physiological and metabolic responses to anoxia were compared for aerobically germinated seedlings of barley (hordeum vulgare), oat (avena sativa) and rice (oryza sativa). coleoptile growth of barley, oat and rice seedlings was suppressed by a 24 h-anoxic stress, but the growth of the rice coleoptiles was much greater than that of the barley and oat coleoptiles. atp concentration in the anoxic rice coleoptiles was greater than that in the anoxic barley and oat coleoptiles. concentrations of etha ... | 2010 | 20727618 |
| in situ disappearance of dry matter and fiber from fall-grown cereal-grain forages from the north-central united states. | recent research has demonstrated that fall-grown wheat (triticum aestivum l.), triticale (x triticosecale wittmack), and oat (avena sativa l.) forages contain limited lignin and exhibit relatively stable estimates of in vitro true dm disappearance, as well as tdn, across a wide fall-harvest window. these traits suggest that ruminal availability of forage fiber is extensive. our objectives were to evaluate this premise by assessing in situ dm and ndf disappearance for kaskaskia wheat, trical 2700 ... | 2010 | 20709871 |
| a new chromosome nomenclature system for oat (avena sativa l. and a. byzantina c. koch) based on fish analysis of monosomic lines. | fluorescent in situ hybridization (fish) with multiple probes was used to analyze mitotic and meiotic chromosome spreads of avena sativa cv 'sun ii' monosomic lines, and of a. byzantina cv 'kanota' monosomic lines from spontaneous haploids. the probes used were a. strigosa pas120a (a repetitive sequence abundant in a-genome chromatin), a. murphyi pam1 (a repetitive sequence abundant in c-genome chromatin), a. strigosa pits (internal transcribed spacer of rdna) and the wheat rdna probes pta71 (nu ... | 2010 | 20658121 |
| heavy metal concentrations in plants and different harvestable parts: a soil-plant equilibrium model. | a mathematical interaction model, validated by experimental results, was developed to modeling the metal uptake by plants and induced growth decrease, by knowing metal in soils. the model relates the dynamics of the uptake of metals from soil to plants. also, two types of relationships are tested: total and available metal content. the model successfully fitted the experimental data and made it possible to predict the threshold values of total mortality with a satisfactory approach. data are tak ... | 2010 | 20605666 |
| use of earthworms (eisenia fetida) to reduce phytotoxicity and promote humification of pre-composted olive oil mill wastewater. | olive mill wastewaters (omww) contain a high recalcitrant organic load and an associated toxicity that make their treatment necessary before environmental application. the aim of this study was to evaluate the feasibility of promoting the valorization and reducing the phytotoxicity of omww through a pre-composting process together with straw-chip bulking materials followed by the application of earthworms (eisenia fetida) in the presence of oat seedlings (avena sativa l.) seedlings. | 2010 | 20602513 |
| rationally improving lov domain-based photoswitches. | genetically encoded protein photosensors are promising tools for engineering optical control of cellular behavior; we are only beginning to understand how to couple these light detectors to effectors of choice. here we report a method that increases the dynamic range of an artificial photoswitch based on the lov2 domain of avena sativa phototropin 1 (aslov2). this approach can potentially be used to improve many aslov2-based photoswitches. | 2010 | 20562867 |
| qtls for important breeding characteristics in the doubled haploid oat progeny. | a homozygous mapping population, consisting of doubled haploid (dh) oat (avena sativa l.) plants generated through anther culture of f1 plants from the cross between the finnish cultivar 'aslak' and the swedish cultivar 'matilda', was used to construct an oat linkage map. ten agronomic and quality traits were analyzed in the dh plants from field trials in 2005 and 2006. leaf blotch (caused by pyrenophora avenae) resistance was also evaluated in a greenhouse test with 2 different isolates. one to ... | 2010 | 20555437 |
| development of oat-based markers from barley and wheat microsatellites. | although microsatellites are an efficient and reliable genetic marker system, availability is limited in cultivated oat (avena sativa l.). previous research has suggested that microsatellites from related species may be adapted to oat. this study investigated the stability of existing oat microsatellites, sequenced polymorphic oat amplicons derived from wheat (triticum aestivum l.) and barley (hordeum vulgare l.) primers, and redesigned primers to develop oat-based markers. we evaluated 161 publ ... | 2010 | 20555435 |
| effects of native grass cover crops on beneficial and pest invertebrates in australian vineyards. | indigenous cover crops have the potential to promote an increase in natural enemies providing fortuitous control of pest species and other ecosystem services. we test this idea in a vineyard in south eastern australia, where reduced water availability because of drought coupled with increased temperatures has generated interest in sustainable alternatives to the exotic perennial cover crops commonly planted. three endemic perennial cover crops, comprising the grasses austrodanthonia richardsonii ... | 2010 | 20550812 |
| hindered rotation of a cofactor methyl group as a probe for protein-cofactor interaction. | exploring protein-cofactor interactions on a molecular level is one of the major challenges in modern biophysics. based on structural data alone it is rarely possible to identify how subtle interactions between a protein and its cofactor modulate the protein's reactivity. in the case of enzymatic processes in which paramagnetic molecules play a certain role, epr and related methods such as endor are suitable techniques to unravel such important details. in this contribution, we describe how cryo ... | 2010 | 20536240 |
| mobilization of lipid reserves during germination of oat (avena sativa l.), a cereal rich in endosperm oil. | since the cereal endosperm is a dead tissue in the mature grain, beta-oxidation is not possible there. this raises the question about the use of the endosperm oil in cereal grains during germination. in this study, mobilization of lipids in different tissues of germinating oat grains was analysed using thin-layer and gas chromatography. the data imply that the oat endosperm oil [triacylglycerol (tag)] is not a dead-end product as it was absorbed by the scutellum, either as free fatty acids (ffas ... | 2010 | 20497973 |
| variability in xylanase and xylanase inhibition activities in different cereals in the healthgrain diversity screen and contribution of environment and genotype to this variability in common wheat. | endo-1,4-beta-d-xylanases (ec 3.2.1.8, xylanases) and xylanase inhibitors, that is, taxi (triticum aestivum xylanase inhibitor), xip (xylanase inhibiting protein), and tlxi (thaumatin-like xylanase inhibitor) type xylanase inhibitors, which naturally occur in cereals, are believed to be at the basis of a significant part of the variability in biotechnological functional properties of cereals. xylanase inhibitors in particular affect grain functionality during processing and in animal feeds when ... | 2010 | 20462210 |
| the chromosome content and genotype of two wheat cell lines and of their somatic fusion product with oat. | somatic hybridization seeks to genetically combine phylogenetically distant parents. an effective system has been established in bread wheat (triticum aestivum l.) involving protoplasts from a non-totipotent cell line adapted to in vitro culture (t(1)) in combination with totipotent protoplasts harvested from embryogenic calli (t(2)). here, we report the karyotype and genotype of t(1) and t(2). line t(1) carries nine a (a-genome of wheat), seven b (b-genome of wheat) and eight d (d-genome of whe ... | 2010 | 20204401 |
| oat (avena sativa) seed extract as an antifungal food preservative through the catalytic activity of a highly abundant class i chitinase. | extracts from different higher plants were screened for the ability to inhibit the growth of penicillium roqueforti, a major contaminating species in industrial food processing. oat (avena sativa) seed extracts exhibited a high degree of antifungal activity and could be used directly on rye bread to prevent the formation of p. roqueforti colonies. proteins in the oat seed extracts were fractionated by column chromatography and proteins in fractions containing antifungal activity were identified ... | 2010 | 19224400 |
| quantitative trait loci in the ogle/tam o-301 oat mapping population controlling resistance to puccinia coronata in the field. | crown rust is the most damaging disease of cultivated oat (avena sativa) and genetic resistance is the primary means of controlling the disease. quantitative trait loci (qtl) with major and minor effects have been identified in ogle1040 and tam o-301 (most notably, pc58 and pcnqmg/lgcg from tam o-301 and ot-27 from ogle1040) through single-isolate greenhouse and field tests. to map loci and determine the effectiveness of previously identified qtl against naturally occurring pathogen populations ... | 2010 | 20373970 |
| development and characterization of an oat tilling-population and identification of mutations in lignin and beta-glucan biosynthesis genes. | oat, avena sativa is the sixth most important cereal in the world. presently oat is mostly used as feed for animals. however, oat also has special properties that make it beneficial for human consumption and has seen a growing importance as a food crop in recent decades. increased demand for novel oat products has also put pressure on oat breeders to produce new oat varieties with specific properties such as increased or improved beta-glucan-, antioxidant- and omega-3 fatty acid levels, as well ... | 2010 | 20459868 |
| oats (avena sativa) reduce atherogenesis in ldl-receptor-deficient mice. | the cholesterol-lowering properties of oats, largely ascribed to its contents of soluble fibers, beta-glucans, are well established, whereas effects on atherogenesis are less well elucidated. oats also contains components with reported antioxidant and anti-inflammatory effects that may affect atherogenesis. in this work we examined effects of oat bran on plasma cholesterol, markers of inflammation, enos expression and development of atherosclerosis in ldl-receptor-deficient (ldlr(-/-)) mice. | 2010 | 20553794 |
| antioxidant activities of aged oat vinegar in vitro and in mouse serum and liver. | the present study focused on the antioxidant activities of aged oat (avena sativa l.) vinegar. the antioxidant activities of oat and vinegar have been proved by many previous research studies. it should be noted that oat vinegar, as a novel seasoning, has antioxidant activity. | 2010 | 20564418 |
| fall growth, nutritive value, and estimation of total digestible nutrients for cereal-grain forages in the north-central united states. | throughout the southern great plains, wheat is managed frequently as a dual-purpose crop, but this production paradigm is not necessarily applicable throughout other regions of the united states, and a wider array of management options can be considered for forage-only uses of cereal grains. our objectives were to assess the fall-growth potential of wheat (triticum aestivum l.), triticale (x triticosecale wittmack), and oat (avena sativa l.) cultivars in wisconsin, and then to further evaluate a ... | 2010 | 19749014 |
| bacterial stimulation of copper phytoaccumulation by bioaugmentation with rhizosphere bacteria. | copper contaminated areas pose environmental health risk to living organisms. remediation processes are thus required for both crop production and industrial activities. this study employed bioaugmentation with copper resistant bacteria to improve phytoremediation of vineyard soils and copper mining waste contaminated with high copper concentrations. oatmeal plant (avena sativa l.) was used for copper phytoextraction. three copper resistant bacterial isolates from oatmeal rhizosphere (pseudomona ... | 2010 | 20937516 |
| influence of preceding crop on wireworm (coleoptera: elateridae) abundance in the coastal plain of north carolina. | three studies were conducted to determine the effect of preceding crop on wireworm (coleoptera: elateridae) abundance in the coastal plain of north carolina. in all three studies, samples of wireworm populations were taken from the soil by using oat, avena sativa l., baits. treatments were defined by the previous year's crop and were chosen to reflect common crop rotations in the region. across all three studies, eight wireworm species were recovered from the baits: conoderus amplicollis (gyllen ... | 2010 | 21309229 |
| swine manure injection with low-disturbance applicator and cover crops reduce phosphorus losses. | injection of liquid swine manure disturbs surface soil so that runoff from treated lands can transport sediment and nutrients to surface waters. we determined the effect of two manure application methods on p fate in a corn (zea mays l.)-soybean [glycine max (l.) merr.] production system, with and without a winter rye (secale cereale l.)-oat (avena sativa l.) cover crop. treatments included: (i) no manure; (ii) knife injection; and (iii) low-disturbance injection, each with and without the cover ... | 2011 | 21520739 |
| characterization of nitrogen-fixing bacteria isolated from field-grown barley, oat, and wheat. | diazotrophic bacteria were isolated from the rhizosphere of field-grown triticum aestivum, hordeum vulgare, and avena sativa grown in various regions of greece. one isolate, with the highest nitrogen-fixation ability from each of the eleven rhizospheres, was selected for further characterisation. diazotrophic strains were assessed for plant-growth-promoting traits such as indoleacetic acid production and phosphate solubilisation. the phylogenies of 16s rrna gene of the selected isolates were com ... | 2011 | 21887633 |
| inhibition of fusarium graminearum growth in flour gel cultures by hexane-soluble compounds from oat (avena sativa l.) flour. | fusarium head blight, incited by the fungus fusarium graminearum, primarily affects wheat (triticum aestivum) and barley (hordeum vulgarum), while oat (avena sativa) appears to be more resistant. although this has generally been attributed to the open panicle of oats, we hypothesized that a chemical component of oats might contribute to this resistance. to test this hypothesis, we created culture media made of wheat, barley, and oat flour gels (6 g of flour in 20 ml of water, gelled by autoclav ... | 2011 | 22186063 |
| differential responses of oat genotypes: oxidative stress provoked by aluminum. | the phytotoxic effects of aluminum and the mechanisms of genetically-based al tolerance have been widely investigated, as reported in many papers and reviews. however, investigations on many al-sensitive and al-resistant species demonstrate that al phytotoxicity and al-resistance mechanisms are extremely complex phenomena. the objective of the present study was to analyze the effects of aluminum on the activity of antioxidant enzymes such as catalase (cat), superoxide dismutase (sod), and ascorb ... | 2011 | 20853138 |
| digital image sensor-based assessment of the status of oat (avena sativa l.) crops after frost damage. | the aim of this paper is to classify the land covered with oat crops, and the quantification of frost damage on oats, while plants are still in the flowering stage. the images are taken by a digital colour camera ccd-based sensor. unsupervised classification methods are applied because the plants present different spectral signatures, depending on two main factors: illumination and the affected state. the colour space used in this application is cielab, based on the decomposition of the colour i ... | 2011 | 22163940 |
| ingested oat herb extract (avena sativa) changes eeg spectral frequencies in healthy subjects. | abstract objective: this study aimed at using quantitative assessment of human electric brain activity during mental work for determining acute effects of ingested oat herb extract on cognitive performance. design: within a double-blind, randomized, placebo-controlled crossover study, two dosages of a special oat preparation of avena sativa herba (1250 or 2500 mg of neuravena(®)) were compared to placebo. an electroencephalogram was recorded while the patient had eyes open for 6 minutes, eyes cl ... | 2011 | 21563962 |
| a peroxygenase pathway involved in the biosynthesis of epoxy fatty acids in oat (avena sativa l.). | while oat has long been known to produce epoxy fatty acids in seeds, synthesized by a peroxygenase pathway, the gene encoding the peroxygenase remains to be determined. here we report identification of a peroxygenase cdna aspxg1 from developing seeds of oat. aspxg1 is a small protein with 249 amino acids in length and contains conserved heme-binding residues and a calcium-binding motif. when expressed in pichia pastoris and e. coli, aspxg1 catalyzes the strictly hydroperoxide-dependent epoxidati ... | 2011 | 21784965 |
| avenanthramides are bioavailable and accumulate in hepatic, cardiac, and skeletal muscle tissue following oral gavage in rats. | avenanthramides (ava), polyphenols found exclusively in oats ( avena sativa l.), may play a role in the anti-inflammatory and antiatherogenic activity of oats. the bioavailability of ava has been demonstrated previously, but its distribution at the organ and tissue level and the extent of conjugation following ingestion have been unexplored. synthetic ava was administered to 24 rats by oral gavage, whereas 6 control rats received saline. ava concentrations were measured via hplc in plasma, liver ... | 2011 | 21417395 |
| comparative study the effects of solid-state fermentation with three filamentous fungi on the total phenolics content (tpc), flavonoids and antioxidant activities of subfractions from oats (avena sativa l.). | the aim of present work was to investigate the effect of solid-state fermentation with filamentous fungi (aspergillus oryzae var. effuses, aspergillus oryzae, and aspergillus niger) on total phenolics content (tpc), flavonoids and antioxidant activities of four subfractions of oat, namely n-hexane, ethyl acetate (ea), n-butanol and water subfraction, and compare them with their corresponding subfractions of unfermented oat. the tpc and total flavonoids increased dramatically, especially in ea su ... | 2011 | 22136169 |
| [primary structure of the "fast" component of avenin (avena sativa l]. | a procedure for the isolation and sequence analysis of the "fast" avenin component (n9) from the oat (avena sativa l., cv. narymsky 943) is described. component n9 was prepared by an ion-exchange high-performance liquid chromatography on a strong cation exchange column type mono s (pharmacia, sweden) in 4 m urea, ph 3.5, with a linear gradient of nacl. a polypeptide chain of avenin n9 was reconstructed by the cnbr and tryptic peptides on a model 470a protein gas-phase sequencer (applied biosyste ... | 2011 | 3190779 |
| dairy slurry application method impacts ammonia emission and nitrate in no-till corn silage. | reducing ammonia (nh3) emissions through slurry incorporation or other soil management techniques may increase nitrate (no3) leaching, so quantifying potential losses from these alternative pathways is essential to improving slurry n management. slurry n losses, as nh3 or no3 were evaluated over 4 yr in south-central wisconsin. slurry (i.e., dairy cow [bos taurus] manure from a storage pit) was applied each spring at a single rate (-75 m3 ha(-1)) in one of three ways: surface broadcast (surf), s ... | 2011 | 21520745 |
| characterization of copper-resistant rhizosphere bacteria from avena sativa and plantago lanceolata for copper bioreduction and biosorption. | copper is a toxic heavy metal widely used to microbial control especially in agriculture. consequently, high concentrations of copper residues remain in soils selecting copper-resistant organisms. in vineyards, copper is routinely used for fungi control. this work was undertaken to study copper resistance by rhizosphere microorganisms from two plants (avena sativa l. and plantago lanceolata l.) common in vineyard soils. eleven rhizosphere microorganisms were isolated, and four displayed high res ... | 2011 | 22002857 |
| phytotreatment of sludges (phragmites australis) for their reuse in the environment. | the aim of this study is the evaluation of the agronomic characteristics acquired by a phytotreated sludge coming from a wastewater treatment plant (wwtp) located in tuscany (central italy). the chemical characterization showed values which are within the italian legislation limits for mixed composts. from an agronomic point of view, the sludge did not present a level of phytotoxicity, as shown by the germination index (gi% = 77). furthermore, pathogen compounds are inexistent (escherichia coli ... | 2011 | 22214075 |
| a formulation to encapsulate nootkatone for tick control. | nootkatone is a component of grapefruit oil that is toxic to the disease-vectoring tick, ixodes scapularis say, but unfortunately causes phytotoxicity to treated plants and has a short residual activity due to volatility. we prepared a lignin-encapsulated nootkatone formulation to compare with a previously used emulsifiable formulation for volatility, plant phytotoxicity, and toxicity to unfed nymphs of i. scapularis. volatility of nootkatone was measured directly by trapping nootkatone vapor in ... | 2011 | 22238870 |
| phytotoxic clerodane diterpenes from salvia miniata fernald (lamiaceae). | our ongoing research to identify natural growth inhibitors with diterpene and triterpene skeletons exuding from the surface of the aerial parts of salvia species led us to study salvia miniata fernald. ten clerodane diterpenoids were found, along with three known diterpenes. most of the isolated compounds from s. miniata inhibited the germination of papaver rhoeas l. and avena sativa l. in petri dish experiments. parallel results have been obtained in experiments carried out to evaluate the subs ... | 2011 | 21130478 |
| rhealba® oat plantlet extract: evidence of protein-free content and assessment of regulatory activity on immune inflammatory mediators. | owing to their high content of flavonoids and saponins, plantlets of avena sativa l. (poaceae) are likely to possess anti-inflammatory and immunoregulatory properties of value in the treatment of atopic dermatitis (ad). with a view to its potential use in atopic subjects at risk of developing sensitisation to dietary proteins, we prepared a plantlet extract without proteins and isolated 2 flavonoids, isoorientin-2''- o-arabinoside (1) and isovitexin-2''- o-arabinoside (2), and two saponins, aven ... | 2011 | 21240840 |
| allelopathic effects of ragweed (ambrosia artemisiifolia l.) on cultivated plants. | during the past years ragweed has been coming to the forefront of interest in hungary and in other european countries as well because its serious health risk. results of the 5th national weed survey has proven that ragweed is the most important weed species on hungarian field lands, its coverage shows a rising tendency in cereals moreover it not only occurs in cultivated plants. allelopathic effects of aqueous extracts derived from different parts of ragweed plants (air dried leafy stems, seeds) ... | 2011 | 22696964 |
| population structure and linkage disequilibrium in oat (avena sativa l.): implications for genome-wide association studies. | the level of population structure and the extent of linkage disequilibrium (ld) can have large impacts on the power, resolution, and design of genome-wide association studies (gwas) in plants. until recently, the topics of ld and population structure have not been explored in oat due to the lack of a high-throughput, high-density marker system. the objectives of this research were to survey the level of population structure and the extent of ld in oat germplasm and determine their implications f ... | 2011 | 21042793 |
| 210pb and 210po in finnish cereals. | a survey was carried out on the activity concentrations of (210)pb and (210)po in cereal grains produced in finland. the cereal species were wheat (triticum aestivum), rye (secale cereale), oats (avena sativa) and barley (hordeum vulgare), which account for 90% of the finnish consumption of cereal products. the survey consisted of 18 flour and 13 unprocessed cereal samples and one hulled grain sample from 22 flour mills. according to the results, the mean (210)pb/(210)po concentrations in wheat ... | 2011 | 21035236 |
| [photosystem ii characteristics of nine gramineae species in southern taklamakan desert]. | taking the gramineae species elytrigia intermedia, avena sativa, bromus inermis, elymus sibiricus, leymus tianschanicus, elymus dahuricus, festuca elata, agropyron cristatum, and puccinellia distans at the edge of cele oasis in southern taklimakan desert as test objects, this paper monitored their fast chlorophyll fluorescence kinetics after 20 minutes adaptation in darkness, compared their photosystem ii (ps ii) characteristics, and analyzed their adaptability to the local environment. among th ... | 2011 | 22263463 |
| transferability and utility of white oat (avena sativa) microsatellite markers for genetic studies in black oat (avena strigosa). | preservation and use of wild oat species germplasm are essential for further improvement of cultivated oats. we analyzed the transferability and utility of cultivated (white) oat avena sativa (aaccdd genome) microsatellite markers for genetic studies of black oat a. strigosa (a(s)a(s) genome) genotypes. the dna of each black oat genotype was extracted from young leaves and amplified by pcr using 24 microsatellite primers developed from white oat. the pcr products were separated on 3% agarose gel ... | 2011 | 22179963 |
| effect of sewage water on mineral nutritive potential of six fodder species grown under semiarid conditions. | investigation was performed to assess the effect of different sewage water treatments on the metal status of different fodder species consumed by ruminants under semi-arid conditions. five samples each of six fodder species viz., trifolium alexandrinum, cichorium intybus, avena sativa, medicago polymorpha, brassica campestris and medicago sativa were collected from three fields irrigated with canal water, mix water (canal water and sewage water) and sewage water, respectively. fodder samples wer ... | 2011 | 23961142 |
| toxicity of sodium tungstate to earthworm, oat, radish, and lettuce. | due to unknown effects of the potential exposure of the terrestrial environment to tungsten substances, a series of toxicity studies of sodium tungstate (na(2) wo(4) ) was conducted. the effect on earthworm (eisenia fetida) survival and reproduction was examined using organisation for economic co-operation and development (oecd) guideline 222. no effect on either endpoint was seen at the highest concentration tested, resulting in a 56-d no-observed-effect concentration (noec) of ≥586 mg tungsten ... | 2011 | 21805499 |
| new diversity arrays technology (dart) markers for tetraploid oat (avena magna murphy et terrell) provide the first complete oat linkage map and markers linked to domestication genes from hexaploid a. sativa l. | nutritional benefits of cultivated oat (avena sativa l., 2n = 6x = 42, aaccdd) are well recognized; however, seed protein levels are modest and resources for genetic improvement are scarce. the wild tetraploid, a. magna murphy et terrell (syn a. maroccana gdgr., 2n = 4x = 28, ccdd), which contains approximately 31% seed protein, was hybridized with cultivated oat to produce a domesticated a. magna. wild and cultivated accessions were crossed to generate a recombinant inbred line (ril) population ... | 2011 | 21805339 |
| acute effects of an avena sativa herb extract on responses to the stroop color-word test. | extracts from oat (avena sativa) herb may benefit cognitive performance. this study investigated whether neuravena(®), an oat herb extract, could acutely improve responses to the stroop color-word test, a measure of attention and concentration and the ability to maintain task focus. | 2011 | 21711204 |
| effect of chemical systemic acquired resistance elicitors on avenanthramide biosynthesis in oat (avena sativa). | oats produce a group of phenolic antioxidants termed avenanthramides. these metabolites are, among food crops, unique to oats and have shown, in experimental systems, certain desirable nutritional characteristics such as inhibiting atherosclerotic plaque formation and reducing inflammation. avenanthramides occur in both the leaves and grain of oat. in the leaves they are expressed as phytoalexins in response to crown rust (puccina coronata) infection. the experiments reported here demonstrate th ... | 2011 | 21598950 |
| recent studies on aphrodisiac herbs for the management of male sexual dysfunction--a review. | an aphrodisiac is a type of food or drink that has the effect of making those who eat or drink it more aroused in a sexual way. aphrodisiacs can be categorized according to their mode of action into three groups: substances that increase libido (i.e., sexual desire, arousal), substances that increase sexual potency (i.e., effectiveness of erection) and substances that increase sexual pleasure. some well-known aphrodisiacs are tribulus terrestrins, withania somnifera, eurycoma longifolia, avena s ... | 2011 | 21485695 |
| evaluation of factors contributing to excessive nitrate accumulation in fodder crops leading to ill-health in dairy animals. | a study was conducted to estimate nitrate content in commonly used fodder crops, viz., berseem (trifolium alexandrinum), bajra (pennisetum glaucum), maize (zea mays), oats (avena sativa), sorghum (sorghum vulgare) and toriya (brassica napus), collected from the fields of different villages of punjab and farms of the university, and to evaluate the factors associated with nitrate accumulation in these crops. the nitrate level was highest in sorghum on dry matter basis, followed by oats and toriya ... | 2011 | 21430916 |
| modulating lov domain photodynamics with a residue alteration outside the chromophore binding site. | phototropins, a class of light-activated protein kinases, are essential for several blue light responses in plants and algae, including phototropism. these proteins contain two internal light, oxygen, and voltage sensitive (lov) domains, which bind flavin chromophores and undergo a reversible photochemical formation of a cysteinyl-flavin adduct as part of the light sensing process. while the photodynamic properties of such photosensory domains are dictated by interactions between the chromophore ... | 2011 | 21323358 |
| effects of water-saving superabsorbent polymer on antioxidant enzyme activities and lipid peroxidation in oat (avena sativa l.) under drought stress. | drought stress significantly limits oat (avena sativa l.) growth and productivity. thus an efficient management of soil moisture and study of metabolic changes in response to drought are important for improved production of oat. the objective was to gain a better understanding of drought tolerance mechanisms and improve soil water management strategies using water-saving superabsorbent polymer (sap) at 60 kg ha(-1) under three irrigation levels (adequate, moderate and deficit) using a new type o ... | 2011 | 21302322 |
| model snp development for complex genomes based on hexaploid oat using high-throughput 454 sequencing technology. | genetic markers are pivotal to modern genomics research; however, discovery and genotyping of molecular markers in oat has been hindered by the size and complexity of the genome, and by a scarcity of sequence data. the purpose of this study was to generate oat expressed sequence tag (est) information, develop a bioinformatics pipeline for snp discovery, and establish a method for rapid, cost-effective, and straightforward genotyping of snp markers in complex polyploid genomes such as oat. | 2011 | 21272354 |
| antioxidant and anticholinesterase effects of frequently consumed cereal grains using in vitro test models. | the ethyl acetate and ethanol extracts obtained from eight varieties (faikbey, y-1779, ci-8357, cheokota, seydişehir, y-330, sivas and yvd-18) of oat (avena sativa l.), one variety (larende) of barley (hordeum vulgare l.), one variety (tatlicak 97) of triticale (triticale sp.) and one rye variety (aslim 95) (secale cereale l.) were investigated for their antioxidant effects in seven test systems. anticholinesterase activity of the extracts was examined by enzyme-linked immunosorbent assay (elisa ... | 2012 | 22149516 |
| molecular mapping of powdery mildew resistance gene eg-3 in cultivated oat (avena sativa l. cv. rollo). | powdery mildew is a prevalent fungal disease affecting oat (avena sativa l.) production in europe. common oat cultivar rollo was previously shown to carry the powdery mildew resistance gene eg-3 in common with cultivar mostyn. the resistance gene was mapped with restriction fragment length polymorphism (rflp) markers from triticeae group-1 chromosomes using a population of f(3) lines from a cross between a. byzantina cv. kanota and a. sativa cv. rollo. this comparative mapping approach positione ... | 2012 | 22125160 |