Publications
| Title | Abstract | Year Filter | PMID(sorted ascending) Filter |
|---|
| effects of magnetic field on cell dedifferentiation and callus induction derived from embryo culture in bread wheat (triticum aestivum. l) genotypes. | current study was conducted to investigation of effect of magnetic field on cell dedifferentiation and follow it callus induction derived from mature embryo culture in bread wheat genotypes. for this purpose, a factorial experiment based on completely randomized design was carried out with two wheat genotypes and three level of magnetic field strength (0.0, 8.8 and 17.6 tesla) in three replications. callus growth rate (cgr), relative growth rate (rgr), callus relative growth rate (crgr), percent ... | 2013 | 23090480 |
| how early can the seeding dates of spring wheat be under current and future climate in saskatchewan, canada? | shorter growing season and water stress near wheat maturity are the main factors that presumably limit the yield potential of spring wheat due to late seeding in saskatchewan, canada. advancing seeding dates can be a strategy to help producers mitigate the impact of climate change on spring wheat. it is unknown, however, how early farmers can seed while minimizing the risk of spring frost damage and the soil and machinery constraints. | 2012 | 23094015 |
| effects of a novel poly (aa-co-aam)/alznfe₂o₄/potassium humate superabsorbent hydrogel nanocomposite on water retention of sandy loam soil and wheat seedling growth. | a novel poly(acrylic acid-co-acrylamide)alznfe₂o₄/potassium humate( )superabsorbent hydrogel nanocomposite (phnc) was synthesized and its physical properties characterized using sem, energy dispersive x-ray (edx) and ftir spectroscopic techniques. air dried sandy loam soil was amended with 0.1 to 0.4 w/w% of phnc to evaluate its soil moisture retention attributes. effect of phnc amendment on ph, electrical conductivity (ec), porosity, bulk density and hydraulic conductivity of sandy loam soil wa ... | 2012 | 23099615 |
| biodegradation of green he4b: co-substrate effect, biotransformation enzymes and metabolite toxicity analysis. | a high exhaust reactive dye, green he4b (ghe4b) was 98% degraded in nutrient medium by pseudomonas desmolyticum ncim 2112 (pd2112) within 72 h at static condition. decolorization time in synthetic 10 g/l molasses. addition of 5 g/l peptone to nacl medium had reduced decolorization time from 108 to 72 h. beef extract do not contribute more to the inducing effect of peptone, however it is a good co-substrate in sucrose or urea containing nacl medium. intracellular lignin peroxidase (lip), laccase ... | 2010 | 23100822 |
| [induction of heat resistance in wheat coleoptiles by salicylic and succinic acids: connection of the effect with the generation and neutralization of active oxygen forms]. | the influence of salicylic (saa) and succinic (sua) acids on the generation of active oxygen forms (aofs) and the heat resistance of wheat (triticum aestivum l.) coleoptiles has been studied. the treatment of coleoptiles with 10 microm saa or sua results in the accumulation of hydrogen peroxide and enhanced formation of a superoxide anion radical. this effect is partially suppressed by both alpha-naphthol (the nadph oxidase inhibitor) and salicylhydroxamic acid (peroxidase inhibitor). saa and su ... | 2017 | 23101394 |
| dominance of a 675 nm chlorophyll(ide) form upon selective 632.8 or 654 nm laser illumination after partial protochlorophyllide phototransformation. | the phototransformation pathways of protochlorophyllide forms were studied in 8-14-day-old leaves of dark-germinated wheat (triticum aestivum l.) using white, 632.8 nm he-ne laser and 654 nm laser diode light. the photon flux density (pfd) values (0.75-360 μmol photons m(-2) s(-1)), the illumination periods (20 ms-10 s) and the temperature of the leaves (between -60 °c and room temperature) were varied. the 77 k fluorescence spectra of partially phototransformed leaves showed gradual accumulatio ... | 2012 | 23104011 |
| how important are conidial appendages? | the genus the genus dinemasporium is used as a case study to evaluate the importance of conidial appendages for generic level classification of coelomycetous fungi. based on morphology and sequence data of the large subunit nuclear ribosomal rna gene (lsu, 28s) and the internal transcribed spacers and 5.8s rrna gene of the nrdna operon, the genus dinemasporium is circumscribed, and an epitype designated for d. strigosum, the type of the genus. a further five species are introduced in dinemaspori ... | 2012 | 23105158 |
| the defense response in arabidopsis thaliana against fusarium sporotrichioides. | 2012 | 23110430 | |
| [the impact of ty3-gypsy group retrotransposon lila on d-genome specificity of wheat triticum aestivum l]. | an analysis of the primary structure of bac clone 112d20 t. aestivum, that contains d-genome specific ty3-gypsy-retrotransposon lila is presented. pcr analysis of nulli-tetrasomic and deletion lines of t. aestivum allowed to localize this bac clone in the distal region of the long arm of chromosome 5d. characteristic feature of bac clone 112d20 is a high concentration of ty3-gypsy-retrotransposons (61.7%), and low content of the genes (1.2%). only a single open reading frame was revealed homolog ... | 2012 | 23113346 |
| fine mapping of leaf rust resistance gene lrzh84 using expressed sequence tag and sequence-tagged site markers, and allelism with other genes on wheat chromosome 1b. | zhou 8425b, possessing the leaf rust resistance gene lrzh84, is an elite wheat (triticum aestivum) parental line in the yellow-huai valley region of china. in the present study, 2,086 f(2) plants derived from zhou 8425b/chinese spring were used for fine mapping of lrzh84 with expressed sequence tag (est) and sequence-tagged site (sts) markers. seventy inter-simple sequence repeat est and sts markers on 1bl were used to screen the two parents and resistant and susceptible bulks; those polymorphic ... | 2013 | 23113548 |
| jacalin domain in wheat jasmonate-regulated protein ta-ja1 confers agglutinating activity and pathogen resistance. | ta-ja1 is a jacalin-like lectin from wheat (triticum aestivum) plants. to date, its homologs are only observed in the gramineae family. our previous experiments have demonstrated that ta-ja1 contains a modular structure consisting of an n-terminal dirigent domain and a c-terminal jacalin-related lectin domain (jrl) and this protein exhibits a mannose-specific lectin activity. the over-expression of ta-ja1 gene provides transgenic plants a broad-spectrum resistance to diseases. here, we report th ... | 2013 | 23116711 |
| use of self-organizing map to analyze images of fungi colonies grown from triticum aestivum seeds disinfected by ozone treatment. | we submitted to ozone treatment triticum aestivum (common wheat) seeds severely contaminated by fungi. fungi colonies developed when seeds were placed over malt agar medium in petri dishes; fusarium sp. and alternaria sp. were identified. however, conventional colonies counting did not allow a clear assessment of the effect of ozone disinfection. we thus used self-organizing maps (soms) to perform an image analysis of colonies surface area that clearly showed a significant disinfection effect on ... | 2012 | 23118753 |
| phytosiderophore release by wheat genotypes differing in zinc deficiency tolerance grown with zn-free nutrient solution as affected by salinity. | there is limited information concerning the effect of salinity on phytosiderophores exudation from wheat roots. the aim of this hydroponic experiment was to investigate the effect of salinity on phytosiderophore release by roots of three bread wheat genotypes differing in zn efficiency (triticum aestivum l. cvs. rushan, kavir, and cross) under zn deficiency conditions. wheat seedlings were transferred to zn-free nutrient solutions and exposed to three salinity levels (0, 60, and 120 mm nacl). th ... | 2013 | 23122914 |
| comparative analysis of syntenic genes in grass genomes reveals accelerated rates of gene structure and coding sequence evolution in polyploid wheat. | cycles of whole-genome duplication (wgd) and diploidization are hallmarks of eukaryotic genome evolution and speciation. polyploid wheat (triticum aestivum) has had a massive increase in genome size largely due to recent wgds. how these processes may impact the dynamics of gene evolution was studied by comparing the patterns of gene structure changes, alternative splicing (as), and codon substitution rates among wheat and model grass genomes. in orthologous gene sets, significantly more acquired ... | 2013 | 23124323 |
| discovery of high-confidence single nucleotide polymorphisms from large-scale de novo analysis of leaf transcripts of aegilops tauschii, a wild wheat progenitor. | construction of high-resolution genetic maps is important for genetic and genomic research, as well as for molecular breeding. single nucleotide polymorphisms (snps) are the predominant class of genetic variation and can be used as molecular markers. aegilops tauschii, the d-genome donor of common wheat, is considered a valuable genetic resource for wheat improvement. our previous study implied that ae. tauschii accessions can be genealogically divided into two major lineages. in this study, the ... | 2012 | 23125207 |
| tamir159 directed wheat tagamyb cleavage and its involvement in anther development and heat response. | in arabidopsis and rice, mir159-regulated gamyb-like family transcription factors function in flower development and gibberellin (ga) signaling in cereal aleurone cells. in this study, the involvement of mir159 in the regulation of its putative target tagamyb and its relationship to wheat development were investigated. first, we demonstrated that cleavage of tagamyb1 and tagamyb2 was directed by mir159 using 5'-race and a transient expression system. second, we overexpressed tamir159, tagamyb1 a ... | 2012 | 23133634 |
| immunogenicity of monococcum wheat in celiac patients. | research is intense to find wheat of low or null toxicity for patients with celiac disease (cd). among candidates, there are diploid wheat species. | 2012 | 23134879 |
| applicability of aegilops tauschii drought tolerance traits to breeding of hexaploid wheat. | few genes are available to develop drought-tolerant bread wheat (triticum aestivum l.) cultivars. one way to enhance bread wheat's genetic diversity would be to take advantage of the diversity of wild species by creating synthetic hexaploid wheat (sw) with the genomic constitution of bread wheat. in this study, we compared the expression of traits encoded at different ploidy levels and evaluated the applicability of aegilops tauschii drought-related traits using 33 ae. tauschii accessions along ... | 2011 | 23136471 |
| evaluation of the effects of five qtl regions on fusarium head blight resistance and agronomic traits in spring wheat (triticum aestivum l.). | fusarium head blight (fhb) is an important disease of wheat (triticum aestivum l.). the aim of this study was to determine the effects of quantitative trait locus (qtl) regions for resistance to fhb and estimate their effects on reducing fhb damage to wheat in hokkaido, northern japan. we examined 233 f(1)-derived doubled-haploid (dh) lines from a cross between 'kukeiharu 14' and 'sumai 3' to determine their reaction to fhb during two seasons under field conditions. the dh lines were genotyped a ... | 2012 | 23136509 |
| development of diversity array technology (dart) markers for assessment of population structure and diversity in aegilops tauschii. | aegilops tauschii coss. is the d-genome donor to hexaploid bread wheat (triticum aestivum) and is the most promising wild species as a genetic resource for wheat breeding. to study the population structure and diversity of 81 ae. tauschii accessions collected from various regions of its geographical distribution, the genomic representation of these lines were used to develop a diversity array technology (dart) marker array. this ae. tauschii array and a previously developed dart wheat array were ... | 2012 | 23136512 |
| identification of osmotic stress-responsive genes from leymus mollis, a wild relative of wheat (triticum aestivum l.). | the tolerance of the dune grass leymus mollis (triticeae; poaceae) to various biotic and abiotic stresses makes it a very useful genetic resource for wheat breeding. wide hybridization between l. mollis and wheat allows the introduction of leymus chromosomes into the wheat genetic background and facilitates the integration of useful traits into wheat. however, the genetic basis controlling the physiological tolerance of l. mollis to multiple environmental stresses remains largely unexplored. usi ... | 2012 | 23136517 |
| qtl for spot blotch resistance in bread wheat line saar co-locate to the biotrophic disease resistance loci lr34 and lr46. | spot blotch caused by bipolaris sorokiniana is a major disease of wheat in warm and humid wheat growing regions of the world including south asian countries such as india, nepal and bangladesh. the cimmyt bread wheat line saar which carries the leaf tip necrosis (ltn)-associated rust resistance genes lr34 and lr46 has exhibited a low level of spot blotch disease in field trials conducted in asia and south america. one hundred and fourteen recombinant inbred lines (rils) of avocet (susceptible) × ... | 2013 | 23139144 |
| a microscale model for combined co(2) diffusion and photosynthesis in leaves. | transport of co(2) in leaves was investigated by combining a 2-d, microscale co(2) transport model with photosynthesis kinetics in wheat (triticum aestivum l.) leaves. the biophysical microscale model for gas exchange featured an accurate geometric representation of the actual 2-d leaf tissue microstructure and accounted for diffusive mass exchange of co(2.) the resulting gas transport equations were coupled to the biochemical farquhar-von caemmerer-berry model for photosynthesis. the combined m ... | 2012 | 23144870 |
| shifts of functional gene representation in wheat rhizosphere microbial communities under elevated ozone. | although the influence of ozone (o(3)) on plants has been well studied in agroecosystems, little is known about the effect of elevated o(3) (eo(3)) on soil microbial functional communities. here, we used a comprehensive functional gene array (geochip 3.0) to investigate the functional composition, and structure of rhizosphere microbial communities of yannong 19 (o(3)-sensitive) and yangmai 16 (o(3)-relatively sensitive) wheat (triticum aestivum l.) cultivars under eo(3). compared with ambient o( ... | 2013 | 23151639 |
| development of methods to distinguish between durum/common wheat and common wheat in blended flour using pcr. | a pcr-based method was developed to distinguish between durum/common wheat and common wheat by leveraging slight differences of dna sequence in starch synthase ii (ss ii) coded on wheat a, b and d genomes. a primer pair, ss ii ex7-u/l, was designed to hybridize with a conserved dna sequence region found in ss ii-a, b and d genes. another primer pair, ss ii-d 1769u/1889l, was constructed to recognize a unique sequence in the ss ii-d gene. the target region of ss ii ex7-u/l with the size of 114 bp ... | 0 | 23154758 |
| an endogenous reference gene of common and durum wheat for detection of genetically modified wheat. | to develop a method for detecting gm wheat that may be marketed in the near future, we evaluated the proline-rich protein (prp) gene as an endogenous reference gene of common wheat (triticum aestivum l.) and durum wheat (triticum durum l.). real-time pcr analysis showed that only dna of wheat was amplified and no amplification product was observed for phylogenetically related cereals, indicating that the prp detection system is specific to wheat. the intensities of the amplification products and ... | 0 | 23154759 |
| efficacy and value of prophylactic vs. integrated pest management approaches for management of cereal leaf beetle (coleoptera: chrysomelidae) in wheat and ramifications for adoption by growers. | cereal leaf beetle, oulema melanopus l., can be effectively managed in southeastern u.s. wheat, triticum aestivum l., with scouting and a single insecticide treatment, applied at the recommended economic threshold. however, many growers eschew this approach for a prophylactic treatment, often tank mixed with a nitrogen application before wheat growth stage 30. the efficacy of a prophylactic and an integrated pest management (ipm) approach was compared for 2 yr using small plot studies in north c ... | 2012 | 23156157 |
| genetic characterization of north american populations of the wheat curl mite and dry bulb mite. | the wheat curl mite, aceria tosichella keifer, transmits at least three harmful viruses, wheat streak mosaic virus (wsmv), high plains virus (hpv), and triticum mosaic virus (trimv) to wheat (triticum aestivum l.) throughout the great plains. this virus complex is considered to be the most serious disease of winter wheat in the western great plains. one component of managing this disease has been developing mite resistance in wheat; however, identification of mite biotypes has complicated deploy ... | 2012 | 23156180 |
| integrating cereal genomics to support innovation in the triticeae. | the genomic resources of small grain cereals that include some of the most important crop species such as wheat, barley, and rye are attaining a level of completion that now is contributing to new structural and functional studies as well as refining molecular marker development and mapping strategies for increasing the efficiency of breeding processes. the integration of new efforts to obtain reference sequences in bread wheat and barley, in particular, is accelerating the acquisition and inter ... | 0 | 23161406 |
| molecular characterization of lmw-gs genes in brachypodium distachyon l. reveals highly conserved glu-3 loci in triticum and related species. | brachypodium distachyon l. is a newly emerging model plant system for temperate cereal crop species. however, its grain protein compositions are still not clear. in the current study, we carried out a detailed proteomics and molecular genetics study on grain glutenin proteins in b. distachyon. | 2012 | 23171363 |
| [dynamic changes of photosynthetic characteristics in big-spike wheat yield formation]. | a field experiment was conducted to investigate the yield traits, leaf photosynthetic rate, chlorophyll fluorescence parameters, chlorophyll content (chl), and leaf area index (lai) of eight new big-spike wheat lines, with multiple-spike cultivar xinong 979 (triticum aestivum cv. xinong 979) as the control. the eight new lines had significantly higher kernel numbers per spike, kernel qualities, and 1000-grain mass but lower spike numbers per unit area, and the lines 2036, 2037, 2038, and 2040 ha ... | 2012 | 23173458 |
| alginate oligosaccharides enhanced triticum aestivum l. tolerance to drought stress. | alginate oligosaccharides (aos) prepared from degradation of alginate is a potent plant elicitor. hydroponic experiments were carried out to investigate the mechanism of aos on improving triticum aestivum l. resistant ability to drought stress. drought model was simulated by exposing the roots of wheat to polyethylene glycol-6000 (peg-6000) solution (150 g l(-1)) for 4 days and the growth of wheat treated with peg was significantly decreased. however, after aos application, seedling and root len ... | 2013 | 23178482 |
| analysis of the bread wheat genome using whole-genome shotgun sequencing. | bread wheat (triticum aestivum) is a globally important crop, accounting for 20 per cent of the calories consumed by humans. major efforts are underway worldwide to increase wheat production by extending genetic diversity and analysing key traits, and genomic resources can accelerate progress. but so far the very large size and polyploid complexity of the bread wheat genome have been substantial barriers to genome analysis. here we report the sequencing of its large, 17-gigabase-pair, hexaploid ... | 2012 | 23192148 |
| identification of a novel homolog for a calmodulin-binding protein that is upregulated in alloplasmic wheat showing pistillody. | intracellular signaling pathways between the mitochondria and the nucleus are important in both normal and abnormal development in plants. the homeotic transformation of stamens into pistil-like structures (a phenomenon termed pistillody) in cytoplasmic substitution (alloplasmic) lines of bread wheat (triticum aestivum) has been suggested to be induced by mitochondrial retrograde signaling, one of the forms of intracellular communication. we showed previously that the mitochondrial gene orf260 c ... | 2013 | 23192388 |
| evaluation of synthetic hexaploid wheats (derivative of durum wheats and aegilops tauschii accessions) for studying genetic diversity using randomly amplified polymorphic dna (rapd) markers. | synthetic hexaploid (sh) wheat derived from crossing tetraploid durum wheat and diploid aegilops tauschii provide germplasm for wheat improvement as the conventional wheat varieties possess very low genetic diversity. this study aims to identify diverse sh lines which can be used in breeding programs for transferring the desired traits into bread wheat. the study was conducted on 24 sh lines using 10 pairs of randomly amplified polymorphic dna (rapd) markers. application of rapds showed the pres ... | 2013 | 23192610 |
| genomic regions associated with the nitrogen limitation response revealed in a global wheat core collection. | modern wheat (triticum aestivum l.) varieties in western europe have mainly been bred, and selected in conditions where high levels of nitrogen-rich fertilizer are applied. however, high input crop management has greatly increased the risk of nitrates leaching into groundwater with negative impacts on the environment. to investigate wheat nitrogen tolerance characteristics that could be adapted to low input crop management, we supplied 196 accessions of a wheat core collection of old and modern ... | 2013 | 23192671 |
| respiration and energy turnover during the seedling development of triticum aestivum l., zea mays l., helianthus annuus l., and phaseolus vulgaris l. | seedling length, co(2) output, dry weight and energy content of the seeds and seedling organs of triticum, zea, helianthus and phaseolus were determined in order to study the efficiency of storage substance utilization and energy turnover during seedling development up to 108 h. the respiration rate is lower in the large seeds of zea and phaseolus (2.2 and 2.0 mgco(2)·gdw(-1)·h(-1)) than in the small seeds of triticum and helianthus (3.1 and 4.2 mgco(2)·gdw(-1)·h(-1)). co(2) output during the sy ... | 1984 | 23194792 |
| a comparison of different vernalization techniques in wheat (triticum aestivum l.). | to measure the effect of vernalization on time to ear emergence allowance must be made for the growth which occurs during the vernalization treatment. in an experiment with eight contrasting wheat varieties it was shown that it is possible to express growth during vernalization in terms of days of growth at non-vernalizing temperatures, using linear regression of number of primordia on time after sowing. the use of linear regression of seedling height on time after sowing proved to be less accur ... | 1984 | 23194873 |
| effect of previous nitrate deprivation on (15)n-nitrate absorption and assimilation by wheat seedlings. | nitrate uptake and assimilation were examined in intact 18 days old wheat (triticum aestivum, cv capitole) seedlings either permanently grown on nitrate (high-n seedlings) or n-stressed by transfer to an 0 n-solution for the final 7 days (low-n seedlings). the n-stressed seedlings were characterized by a lower organic n content (2.5 mg instead of 4.9 mg per seedling) and an increased root dry weight. the seedlings received (15)no(3)k for 7 h in the light. nitrate uptake was 2.8 times higher in l ... | 1984 | 23195046 |
| influence of water stress upon photosynthetic carbon metabolism in wheat. | two kinds of effects of water stress on flag leaves of spring wheat (triticum aestivum l. cv. kolibri) were recognized: the direct effect, when drought affected the expanded blade of the flag leaf and the indirect one, when drought pretreatment affected the leaf blade during tissue differentiation. as a direct effect of water stress on the leaf, a decreased amount of (14)c incorporated into all analyzed photosynthates was observed. differences in (14)c distribution among the studied photosynthat ... | 1984 | 23195050 |
| the influence of (2-chloroethyl)trimethylammoniumchloride (ccc) on growth and photosynthetic metabolism of young wheat plants (triticum aestivum l.). | the influence of (2-chloroethyl)trimethylammoniumchloride on growth and cell metabolism of triticum aestivum var. kolibri was investigated. ccc was added to the nutrient solution on the 11th day of development with a final concentration of 10(-2) mol·1(-1). it immediately stopped root growth and showed a strong inhibitory influence on the growth of the leaves. smaller and fewer cells accounted for the reduction in final leaf size of about 40 %. the content of soluble proteins and soluble reducin ... | 1984 | 23195384 |
| abscisic acid metabolism in intact wheat seedlings under normal and stress conditions. | metabolism of abscisic acid (aba) was studied in intact seedlings of triticum aestivum during 14 days. (2-(14)c)-aba solution (2.5 × 10(-4) m) was applied to the roots of plants for 24 h; after that plants were further grown in nutrient solution. distribution of radioactivity between aba and its metabolites was investigated in shoots, roots, and remaining seed parts. in whole seedling as well as in different plant parts the level of free aba is decreased rapidly during 3 days after application, ... | 1984 | 23195714 |
| developmental gradients in wheat leaves - response of leaf segments in different genotypes cultured in vitro. | leaves of 21 different wheat genotypes (triticum aestivum l. cultivars and triticum species) were tested for response in tissue culture. cultures could be established from all genotypes in the presence of 2,4-d in the nutrient medium, but only from immature basal leaf regions. corresponding to the basipetal developmental gradient characteristic of the leaves, there appeared to be a gradient in sensitivity towards 2,4-d. the most basal, highly meristematic regions were comparatively sensitive. ca ... | 1984 | 23196086 |
| selenium (se) seed priming induced growth and biochemical changes in wheat under water deficit conditions. | insufficient stand establishment at early growth stages in wheat (triticum aestivum l.) due to drought stress is a major problem that limits overall efficiency and yield of crop. priming of seed is an effective method for raising seed performance and improving tolerance of crops to abiotic stresses especially drought. the seeds of two local wheat cultivars (kohistan-97 and pasban-90) were soaked in distilled water or sodium selenate solutions of 25, 50, 75, and 100 μm for 1/2 or 1 h at 25 °c and ... | 2013 | 23197374 |
| transposon-mediated alteration of tamate1b expression in wheat confers constitutive citrate efflux from root apices. | the tamate1b gene (for multidrug and toxic compound extrusion) from wheat (triticum aestivum) was isolated and shown to encode a citrate transporter that is located on the plasma membrane. tamate1b expression in roots was induced by iron deficiency but not by phosphorus deficiency or aluminum treatment. the coding region of tamate1b was identical in a genotype showing citrate efflux from root apices (cv carazinho) to one that lacked citrate efflux (cv egret). however, sequence upstream of the co ... | 2013 | 23204428 |
| use of genotype x environment interactions to understand rooting depth and the ability of wheat to penetrate hard soils. | root systems are well-recognized as complex and a variety of traits have been identified as contributing to plant adaptation to the environment. a significant proportion of soil in south-western australia is prone to the formation of hardpans of compacted soil that limit root exploration and thus access to nutrients and water for plant growth. genotypic variation has been reported for root-penetration ability of wheat in controlled conditions, which has been related to field performance in these ... | 2013 | 23204508 |
| developmental and growth controls of tillering and water-soluble carbohydrate accumulation in contrasting wheat (triticum aestivum l.) genotypes: can we dissect them? | in wheat, tillering and water-soluble carbohydrates (wscs) in the stem are potential traits for adaptation to different environments and are of interest as targets for selective breeding. this study investigated the observation that a high stem wsc concentration (wscc) is often related to low tillering. the proposition tested was that stem wsc accumulation is plant density dependent and could be an emergent property of tillering, whether driven by genotype or by environment. a small subset of re ... | 2013 | 23213136 |
| alkali pretreatment of wheat straw (triticum aestivum) at boiling temperature for producing a bioethanol precursor. | we evaluated the effect of dilute sodium hydroxide (naoh) on wheat straw at boiling temperature for removing lignin and increasing the yield of reducing sugar. various concentrations of naoh (0.5% to 2%) were used for pretreating wheat straw at 105 °c for 10 min. scanning electron microscopy, atomic force microscopy, and fourier transform infrared spectroscopy studies revealed that the 2% naoh-pretreated sample exposed more cellulose fiber. the maximum respective removal of lignin and hemicellul ... | 2012 | 23221693 |
| a cysteine in the repetitive domain of a high-molecular-weight glutenin subunit interferes with the mixing properties of wheat dough. | the quality of wheat (triticum aestivum l.) for making bread is largely due to the strength and extensibility of wheat dough, which in turn is due to the properties of polymeric glutenin. polymeric glutenin consists of high- and low-molecular-weight glutenin protein subunits linked by disulphide bonds between cysteine residues. glutenin subunits differ in their effects on dough mixing properties. the research presented here investigated the effect of a specific, recently discovered, glutenin sub ... | 2013 | 23232769 |
| water stress amelioration and plant growth promotion in wheat plants by osmotic stress tolerant bacteria. | soil microorganisms with potential for alleviation of abiotic stresses in combination with plant growth promotion would be extremely useful tools in sustainable agriculture. to this end, the present study was initiated where forty-five salt tolerant bacterial isolates with ability to grow in high salt medium were obtained from the rhizosphere of triticum aestivum and imperata cylindrica. these bacteria were tested for plant-growth-promoting rhizobacteria traits in vitro such as phosphate solubil ... | 2013 | 23239372 |
| uptake of perfluorooctane sulfonate (pfos) by wheat (triticum aestivum l.) plant. | perfluorooctane sulfonate (pfos) is a highly persistent organic pollutant which has raised many concerns in recent years. research focusing on plant uptake of pfos is very necessary when considering its risk of transfer from soil into food chain. in this work, the uptake of pfos by wheat (triticum aestivum l.) which is the most main food crop in northern china, was studied. to predict the kinetic uptake limit, the partition-dominated equilibrium sorption of pfos by roots of wheat was determined. ... | 2013 | 23245763 |
| wheat centromeric retrotransposons: the new ones take a major role in centromeric structure. | the physical map of the hexaploid wheat chromosome 3b was screened using centromeric dna probes. a 1.1-mb region showing the highest number of positive bacterial artificial chromosome (bac) clones was fully sequenced and annotated, revealing that 96% of the dna consisted of transposable elements, mainly long terminal repeat (ltr) retrotransposons (88%). estimation of the insertion time of the transposable elements revealed that crw (also called cereba) and quinta are the youngest elements at the ... | 2013 | 23253213 |
| the protective effect of hulls on the occurrence of alternaria mycotoxins in spelt wheat. | since there is an increasing demand on the world market for alternative crops suitable for organic production, spelt wheat (triticum aestivum spp. spelta l.) is a highly attractive farming option. alternaria species are widespread and infect a great variety of economically important crops. certain species are known producers of mycotoxins. the aim of this study was to assess the protective effect of hulls covering the spelt kernels on alternaria toxins. | 2013 | 23255302 |
| composition and functional analysis of low-molecular-weight glutenin alleles with aroona near-isogenic lines of bread wheat. | low-molecular-weight glutenin subunits (lmw-gs) strongly influence the bread-making quality of bread wheat. these proteins are encoded by a multi-gene family located at the glu-a3, glu-b3 and glu-d3 loci on the short arms of homoeologous group 1 chromosomes, and show high allelic variation. to characterize the genetic and protein compositions of lmw-gs alleles, we investigated 16 aroona near-isogenic lines (nils) using sds-page, 2d-page and the lmw-gs gene marker system. moreover, the compositio ... | 2012 | 23259617 |
| silver nanoparticles disrupt wheat (triticum aestivum l.) growth in a sand matrix. | hydroponic plant growth studies indicate that silver nanoparticles (ag nps) are phytotoxic. in this work, the phytotoxicity of commercial ag nps (10 nm) was evaluated in a sand growth matrix. both nps and soluble ag were recovered from water extracts of the sand after growth of plants challenged with the commercial product; the surface charge of the ag nps in this extract was slightly reduced compared to the stock nps. the ag nps reduced the length of shoots and roots of wheat in a dose-dependen ... | 2013 | 23259709 |
| univariate and multivariate molecular spectral analyses of lipid related molecular structural components in relation to nutrient profile in feed and food mixtures. | the objectives of this study were (i) to determine lipid related molecular structures components (functional groups) in feed combination of cereal grain (barley, hordeum vulgare) and wheat (triticum aestivum) based dried distillers grain solubles (wheat ddgss) from bioethanol processing at five different combination ratios using univariate and multivariate molecular spectral analyses with infrared fourier transform molecular spectroscopy, and (ii) to correlate lipid-related molecular-functional ... | 2013 | 23261514 |
| [analysis of codon use features of cbf gene in camellia sinensis]. | cbf (c-repeat-binding factor) transcription factor exists widely in all kinds of plants. it is an important regulative factor in the process of plant resistance adversity. in this paper, camellia sinensis cbf1 gene sequence was analyzed by codon w, chips, and cusp programs online, and then compared with c. sinensis genes, genomes in other species, and cbf genes from 39 plant species. it is important to identify the codon usage of cscbf1 gene and select appropriate expression systems. the results ... | 2012 | 23262110 |
| multi-environment analysis and improved mapping of a yield-related qtl on chromosome 3b of wheat. | improved mapping, multi-environment quantitative trait loci (qtl) analysis and dissection of allelic effects were used to define a qtl associated with grain yield, thousand grain weight and early vigour on chromosome 3bl of bread wheat (triticum aestivum l.) under abiotic stresses. the qtl had pleiotropic effects and showed qtl x environment interactions across 21 diverse environments in australia and mexico. the occurrence and the severity of water deficit combined with high temperatures during ... | 2013 | 23262551 |
| molecular characterization of two y-type high molecular weight glutenin subunit alleles 1ay12 and 1ay8 from cultivated einkorn wheat (triticum monococcum ssp. monococcum). | two y-type high molecular weight glutenin subunits (hmw-gss) 1ay12 and 1ay8 from the two accessions pi560720 and pi345186 of cultivated einkorn wheat (triticum monococcum ssp. monococcum, aa, 2n=2x=14), were identified by sodium dodecyl sulfate polyacrylamide gel electrophoresis (sds-page). the mobility of 1ay12 and 1ay8 was similar to that of 1dy12 and 1by8 from common wheat chinese spring, respectively. their orfs respectively consisted of 1812bp and 1935bp, encoding 602 and 643 amino acid res ... | 2013 | 23266635 |
| in planta stage-specific fungal gene profiling elucidates the molecular strategies of fusarium graminearum growing inside wheat coleoptiles. | the ascomycete fusarium graminearum is a destructive fungal pathogen of wheat (triticum aestivum). to better understand how this pathogen proliferates within the host plant, we tracked pathogen growth inside wheat coleoptiles and then examined pathogen gene expression inside wheat coleoptiles at 16, 40, and 64 h after inoculation (hai) using laser capture microdissection and microarray analysis. we identified 344 genes that were preferentially expressed during invasive growth in planta. gene exp ... | 2012 | 23266949 |
| qtl for yield and associated traits in the seri/babax population grown across several environments in mexico, in the west asia, north africa, and south asia regions. | heat and drought adaptive quantitative trait loci (qtl) in a spring bread wheat population resulting from the seri/babax cross designed to minimize confounding agronomic traits have been identified previously in trials conducted in mexico. the same population was grown across a wide range of environments where heat and drought stress are naturally experienced including environments in mexico, west asia, north africa (wana), and south asia regions. a molecular genetic linkage map including 475 ma ... | 2013 | 23269228 |
| [resistance of bread wheat (triticum aestivum l.) to preharvest sprouting: an association analysis]. | a statistical analysis of the data about 1422 bread wheat accessions with estimated preharvest sprouting was carried out. close associations of preharvest sprouting resistance with the grain color and with resistance to fusarium head blight were revealed, as well as weak, but statistically significant, associations with the type of development, awnedness, and reduced height genes rht-b1 and rht-d1 (insensitive to gibberellin ga3). the pedigree analysis showed that the cluster structures of the g ... | 2012 | 23270262 |
| conditional qtl mapping of protein content in wheat with respect to grain yield and its components. | grain protein content in wheat (triticum aestivum l.) is generally considered a highly heritable character that is negatively correlated with grain yield and yield-related traits. quantitative trait loci (qtl) for protein content was mapped using data on protein content and protein content conditioned on the putatively interrelated traits to evaluate possible genetic interrelationships between protein content and yield, as well as yield-related traits. phenotypic data were evaluated in a recombi ... | 2012 | 23271016 |
| cloning of a conserved receptor-like protein kinase gene and its use as a functional marker for homoeologous group-2 chromosomes of the triticeae species. | receptor-like kinases (rlks) play broad biological roles in plants. we report on a conserved receptor-like protein kinase (rpk) gene from wheat and other triticeae species. the tarpk1 was isolated from the triticum aestivum cv. prins - triticum timopheevii introgression line igvi-465 carrying the powdery mildew resistance gene pm6. the tarpk1 was mapped to homoeologous chromosomes 2a (tarpk1-2a), 2d (tarpk1-2d) and the pm6-carrier chromosome 2g (tarpk1-2g) of igvi-465. under the tested condition ... | 2012 | 23272050 |
| phytotoxicity assessment of methanolic extracts from coriadrum sativum l. fruits. | the fruits of coriandrum sativum l. (apiaceae) are used as a spicing and flavoring agent in food products and are also recommended as a drug in the treatment of digestive tract disorders. the safety of botanicals and botanical preparations used as food supplements is of great interest, as the market of such products is expanding worldwide. | 2013 | 23272553 |
| genetic diversity of winter wheat (triticum aestivum l.) revealed by ssr markers. | 2013 | 23274711 | |
| prevalence of gene expression additivity in genetically stable wheat allohexaploids. | the reprogramming of gene expression appears as the major trend in synthetic and natural allopolyploids where expression of an important proportion of genes was shown to deviate from that of the parents or the average of the parents. in this study, we analyzed gene expression changes in previously reported, highly stable synthetic wheat allohexaploids that combine the d genome of aegilops tauschii and the ab genome extracted from the natural hexaploid wheat triticum aestivum. a comprehensive gen ... | 2013 | 23278496 |
| discovery and development of exome-based, co-dominant single nucleotide polymorphism markers in hexaploid wheat (triticum aestivum l.). | globally, wheat is the most widely grown crop and one of the three most important crops for human and livestock feed. however, the complex nature of the wheat genome has, until recently, resulted in a lack of single nucleotide polymorphism (snp)-based molecular markers of practical use to wheat breeders. recently, large numbers of snp-based wheat markers have been made available via the use of next-generation sequencing combined with a variety of genotyping platforms. however, many of these mark ... | 2013 | 23279710 |
| [sequence polymorphism and mapping of wheat ca2+-binding protein tacrt-a gene]. | taking thirty-seven hexaploid wheat (aabbdd) accessions with different drought resistance at seedling stage, three wheat species with a genome (aa), and three tetraploid wheat species (aabb) as test materials, and by direct sequencing the single nucleotide polymorphism (snp) in tacrt-a, this paper analyzed the relationships of the snp with the drought resistance of wheat ( triticum aestivum) at its seedling stage, and mapped the tacrt-a on the chromosome of wheat. the full-length sequence of the ... | 2012 | 23286013 |
| functional analyses of tahma2, a p(1b)-type atpase in wheat. | currently, there are few studies concerning the function of heavy metal atpase 2 (hma2), particularly in monocotyledons, and the potential application of this protein in biofortification and phytoremediation. thus, we isolated and characterized the tahma2 gene from wheat (triticum aestivum l.). our results indicate that tahma2 is localized to the plasma membrane and stably expressed, except in the nodes, which showed relatively high expression. zinc/cadmium (zn/cd) resistance was observed in tah ... | 2013 | 23294838 |
| characterization of new loci for hessian fly resistance in common wheat. | the discovery of several new loci for resistance to hessian fly was reported here. qhf.uga-6al, the late hr61 was recognized from wheat cultivar 26r61 on the distal end of 6al with resistance to both biotypes e and vh13. it is the first gene or qtl found on this particular chromosome. qhf.uga-3dl and qhf.uga-1al, physically assigned to the deletion bins 3dl2-0.27-0.81 and 1al1-0.17-0.61, respectively, were detected for resistance to biotype vh13. both qtl should represent new loci for hessian fl ... | 2013 | 23296492 |
| [chromosomal localization of the speltoidy gene, introgressed into bread wheat from aegilops speltoides tausch., and its interaction with the q gene of triticum spelta l]. | the differences between bread wheat (triticum aestivum l.) and spelt (triticum spelta l.) in the shape of the spike and threshing character are determined by the allelic status of one major q gene, mapped to the long arm of chromosome 5a. this gene is a member of the apetala2 family of transcription factors and plays an important role in domestication of wheat. in the present study, using monosomic analysis, we determined the chromosomal localization of the q(s)gene, introgressed into bread whea ... | 2012 | 23297486 |
| structural analysis and caco-2 cell permeability of the celiac-toxic a-gliadin peptide 31-55. | celiac disease is a chronic enteropathy caused by the ingestion of wheat gliadin and other cereal prolamines. the synthetic peptides 31-43 (p31-43) and 31-49 (p31-49) from a-gliadin are considered to be model peptides for studying innate immunity in celiac disease. our previous study demonstrated that p31-43 and p31-49 are encrypted within peptide 31-55 (p31-55), which is naturally released from gastropancreatic digestion and is not susceptible to hydrolysis by brush border membrane enzymes. her ... | 2013 | 23298305 |
| proteomic analysis of spring freeze-stress responsive proteins in leaves of bread wheat (triticum aestivum l.). | following three-day exposure to -5 °c simulated spring freeze stress, wheat plants at the anther connective tissue formation phase of spike development displayed the drooping and wilting of leaves and markedly increased rates of relative electrolyte leakage. we analysed freeze-stress responsive proteins in wheat leaves at one and three days following freeze-stress exposure, using two-dimensional electrophoresis and matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry. our ... | 2013 | 23298682 |
| tricolorin a as a natural herbicide. | tricolorin a acts as pre- and post-emergence plant growth inhibitor. in pre-emergence it displays broad-spectrum weed control, inhibiting germination of both monocotyledonous (lolium mutliflorum and triticum vulgare) and dicotyledonous (physalis ixocarpa and trifolium alexandrinum) seeds, being the dicotyledonous seeds the most inhibited. tricolorin a also inhibited seedling growth, and seed respiration, and since the concentrations required for inhibiting both germination and respiration were s ... | 2013 | 23303337 |
| citrus allergy from pollen to clinical symptoms. | allergy to citrus fruits is often associated with pollinosis and sensitization to other plants due to a phenomenon of cross-reactivity. the aims of the present study were to highlight the cross-reactivity among citrus and the major allergenic pollens/fruits, throughout clinical and molecular investigations, and to evaluate the sensitization frequency to citrus fruits in a population of children and adults with pollinosis. we found a relevant percentage of sensitisation (39%) to citrus fruits in ... | 2013 | 23308273 |
| comparative genomics of a plant-pathogenic fungus, pyrenophora tritici-repentis, reveals transduplication and the impact of repeat elements on pathogenicity and population divergence. | pyrenophora tritici-repentis is a necrotrophic fungus causal to the disease tan spot of wheat, whose contribution to crop loss has increased significantly during the last few decades. pathogenicity by this fungus is attributed to the production of host-selective toxins (hst), which are recognized by their host in a genotype-specific manner. to better understand the mechanisms that have led to the increase in disease incidence related to this pathogen, we sequenced the genomes of three p. tritici ... | 2013 | 23316438 |
| spatial analysis of the cereal leaf beetle (coleoptera: chrysomelidae) in wheat. | a 2-yr study was conducted in wheat, triticum aestivum l., in south carolina involving weekly sampling of cereal leaf beetle, oulema melanopus (l.). according to the spatial analysis by distance indices (sadie) aggregation index, adults (80% of sampling date-field combinations) were more frequently aggregated than eggs (26%) and larvae (57%). spatial and temporal stability, as indicated by positive association indices among sampling dates, was significant in 27, 30, 33 and 31% of analyses for ad ... | 2012 | 23321100 |
| wheat oxophytodienoate reductase gene taopr1 confers salinity tolerance via enhancement of abscisic acid signaling and reactive oxygen species scavenging. | the 12-oxo-phytodienoic acid reductases (oprs) are classified into the two subgroups opri and oprii. the latter proteins participate in jasmonic acid synthesis, while the function of the former ones is as yet unclear. we describe here the characterization of the opri gene taopr1, isolated from the salinity-tolerant bread wheat (triticum aestivum) cultivar sr3. salinity stress induced a higher level of taopr1 expression in the seedling roots of cv sr3 than in its parental cultivar, jn177. this in ... | 2013 | 23321418 |
| genetic, hormonal, and physiological analysis of late maturity α-amylase in wheat. | late maturity α-amylase (lma) is a genetic defect that is commonly found in bread wheat (triticum aestivum) cultivars and can result in commercially unacceptably high levels of α-amylase in harvest-ripe grain in the absence of rain or preharvest sprouting. this defect represents a serious problem for wheat farmers, and apart from the circumstantial evidence that gibberellins are somehow involved in the expression of lma, the mechanisms or genes underlying lma are unknown. in this work, we use a ... | 2013 | 23321420 |
| isolation and characterization of a psathyrostachys huashanica keng 6ns chromosome addition in common wheat. | the development of alien addition lines is important for transferring useful genes from exotic species into common wheat. a hybrid of common wheat cv. 7182 (2n = 6x = 42, aabbdd) and psathyrostachys huashanica keng (2n = 2x = 14, nsns) via embryo culture produced the novel intergeneric disomic addition line 59-11. the seed morphology of 59-11 resembled the parent 7182 and it exhibited extreme agronomic characteristics, i.e., twin stable spikelets, fertile florets, and multi-kernel clusters. furt ... | 2013 | 23326537 |
| why oviposit there? fitness consequences of a gall midge choosing the plant's youngest leaf. | for animals that lay eggs, a longstanding question is, why do females choose particular oviposition sites? for insects that lay eggs on plants there are three hypotheses: maximizing suitable habitat for juveniles, maximizing female lifespan, and maximizing egg survival. we investigated the function of the oviposition-site choice behavior of a gall midge, the hessian fly, mayetiola destructor (say). in spite of living less than a day and having hundreds of eggs, the ovipositing female is choosy a ... | 2013 | 23339793 |
| spider fauna of semiarid eastern colorado agroecosystems: diversity, abundance, and effects of crop intensification. | spiders are critical predators in agroecosystems. crop management practices can influence predator density and diversity, which, in turn, can influence pest management strategies. crop intensification is a sustainable agricultural technique that can enhance crop production although optimizing soil moisture. to date, there is no information on how crop intensification affects natural enemy populations, particularly spiders. this study had two objectives: to characterize the abundance and diversit ... | 2013 | 23339794 |
| evaluation of fresh pasta-making properties of extra-strong common wheat (triticum aestivum l.). | the relationship between characterictics of flour of common wheat varieties and fresh pasta-making qualitites was examined, and the fresh pasta-making properties of extra-strong varieties that have extra-strong dough were evaluated. there was a positive correlation between mixing time (pt) and hardness of boiled pasta, indicating that the hardness of boiled pasta was affected by dough properties. boiled pasta made from extra-strong varieties, yumechikara, hokkai 262 and hokkai 259, was harder th ... | 2012 | 23341748 |
| genetic and epigenetic variations induced by wheat-rye 2r and 5r monosomic addition lines. | monosomic alien addition lines (maals) can easily induce structural variation of chromosomes and have been used in crop breeding; however, it is unclear whether maals will induce drastic genetic and epigenetic alterations. | 2013 | 23342073 |
| increase of seed germination, growth and membrane integrity of wheat seedlings by exposure to static and a 10-khz electromagnetic field. | there is a large body of experimental data demonstrating various effects of magnetic field (mf) on plants growth and development. although the mechanism(s) of perception of mf by plants is not yet elucidated, there is a possibility that like other stimuli, mf exerts its effects on plants by changing membrane integrity and conductance of its water channels, thereby influencing growth characteristics. in this study, the seeds of wheat (triticum aestivum l. cv. kavir) were imbibed in water overnigh ... | 2013 | 23343429 |
| molecular cloning and expression analysis of the starch-branching enzyme iii gene from common wheat (triticum aestivum ). | the starch-branching enzyme (sbe) catalyzes the formation of branch points by cleaving the α-1,4 linkage in polyglucans and reattaching the chain via an α-1,6 linkage. three types of sbe isoforms (sbei, sbeii, and sbeiii) exist in higher plants, with the number of sbe isoforms being species-specific. this study isolated the sbeiii cdna sequence (3,780 bp), designated tasbeiii (accession no. jq346193), from common wheat (triticum aestivum l.) using the race method, revealing that the sbeiii gene ... | 2013 | 23344688 |
| phytotoxicity evaluation and phytochemical analysis of three medicinally important plants from pakistan. | this work examines the crude methanolic extracts of three medicinally important plants native to pakistan for potent phytotoxic activities and important phytochemicals. these plants include euphorbia wallichii, bergenia ciliata and phytolacca latbenia. the phytotoxic effects were checked at 10,000, 1000, and 100 µg/ml against two economically important standard target species, triticum aestivum (monocot representative) and brassica napus (dicot representative). the phytotoxicity effects on seed ... | 2015 | 23344824 |
| on-farm dynamic management of genetic diversity: the impact of seed diffusions and seed saving practices on a population-variety of bread wheat. | since the domestication of crop species, humans have derived specific varieties for particular uses and shaped the genetic diversity of these varieties. here, using an interdisciplinary approach combining ethnobotany and population genetics, we document the within-variety genetic structure of a population-variety of bread wheat (triticum aestivum l.) in relation to farmers' practices to decipher their contribution to crop species evolution. using 19 microsatellites markers, we conducted two comp ... | 2012 | 23346224 |
| dispersion and domestication shaped the genome of bread wheat. | despite the international significance of wheat, its large and complex genome hinders genome sequencing efforts. to assess the impact of selection on this genome, we have assembled genomic regions representing genes for chromosomes 7a, 7b and 7d. we demonstrate that the dispersion of wheat to new environments has shaped the modern wheat genome. most genes are conserved between the three homoeologous chromosomes. we found differential gene loss that supports current theories on the evolution of w ... | 2013 | 23346876 |
| tricin biosynthesis during growth of wheat under different abiotic stresses. | in plants, o-methylation is mediated by an enzyme family of o-methyltransferases (omts) that transfer the methyl groups from the methyl donor, s-adenosyl-l-methionine (adomet) to suitable phenolic acceptor molecules. in a previous study [1], a flavonoid omt (taomt2) was isolated and characterized from wheat (triticum aestivum l.) leaves. its novel gene product catalyzes three sequential o-methylations of the flavone tricetin (5,7,3',4',5'-pentahydroxyflavone) to its 3'-monomethyl-(selgin)→3',5'- ... | 2013 | 23352409 |
| effect of phytase from aspergillus niger on plant growth and mineral assimilation in wheat (triticum aestivum linn.) and its potential for use as a soil amendment. | extensive use of non-replenishable phosphate reserves as phosphate supplements in agriculture and animal feed poses a threat for environmental pollution and necessitated a search for alternative phosphate sources. unlocking the phytate phosphorus using microbial phytase can provide an ecofriendly solution in agriculture. the aim of the present work was to evaluate the effect of phytase from aspergillus niger ncim 563 in degradation of phytate phosphorus to benefit plant nutrition and soil amendm ... | 2013 | 23355258 |
| more spikelets1 is required for spikelet fate in the inflorescence of brachypodium. | grasses produce florets on a structure called a spikelet, and variation in the number and arrangement of both branches and spikelets contributes to the great diversity of grass inflorescence architecture. in brachypodium (brachypodium distachyon), the inflorescence is an unbranched spike with a terminal spikelet and a limited number of lateral spikelets. spikelets are indeterminate and give rise to a variable number of florets. here, we provide a detailed description of the stages of inflorescen ... | 2013 | 23355632 |
| effects of waterlogging on amyloplasts and programmed cell death in endosperm cells of triticum aestivum l. | the effects of waterlogging on amyloplasts and programmed cell death (pcd) in endosperm cells in chinese wheat (triticum aestivum l.; cv: hua mai 8) are here discussed. four water treatments were established from anthesis to maturity: they were 3 days of waterlogging treatment (dwt), 7 dwt, 12 dwt, and moderate water supply (the control). lugol staining and scanning electron microscopy showed decreases in the number of amyloplasts and partially filled circular cavities under the waterlogging tre ... | 2013 | 23358649 |
| development and characterization of a compensating wheat-thinopyrum intermedium robertsonian translocation with sr44 resistance to stem rust (ug99). | the emergence of the highly virulent ug99 race complex of the stem rust fungus (puccinia graminis pers. f. sp. tritici eriks. and henn.) threatens wheat (triticum aestivum l.) production worldwide. one of the effective genes against the ug99 race complex is sr44, which was derived from thinopyrum intermedium (host) barkworth and d.r. dewey and mapped to the short arm of 7j (designated 7j#1s) present in the noncompensating t7ds-7j#1l∙7j#1s translocation. noncompensating wheat-alien translocations ... | 2013 | 23358862 |
| epigenetic modification contributes to the expression divergence of three taexpa1 homoeologs in hexaploid wheat (triticum aestivum). | common wheat is a hexaploid species with most of the genes present as triplicate homoeologs. expression divergences of homoeologs are frequently observed in wheat, as well as in other polyploid plants. however, the mechanisms underlying this phenomenon are poorly understood. expansin genes play important roles in the regulation of cell size, as well as organ size. we found that all three taexpa1 homoeologs were silenced in seedling roots. in seedling leaves, taexpa1-a and taexpa1-d were expresse ... | 2013 | 23360546 |
| effect of wheat distillers dried grains with solubles or sugar beet pulp on prevalence of salmonella enterica typhimurium in weaned pigs. | salmonella enterica typhimurium (st) is of concern in the swine industry with relevance for animal health and consumer safety. nutritional strategies might help to reduce st infection and transmission. this study examined the potential of wheat (triticum aestivum) distillers dried grains with solubles (ddgs) and sugar beet (beta vulgaris) pulp (sbp) to alter intestinal microbial communities and st shedding using a trojan model. weaned pigs (n = 105; 28.5 ± 3.5 d of age) were separated into 3 tre ... | 2012 | 23365269 |
| effect of feeding different cereal-based diets on the performance and gut health of weaned piglets with or without previous access to creep feed during lactation. | a trial was conducted to evaluate the effect of different cereals on the performance, gut mucosa, and microbiota of weanling pigs with or without previous access to creep feed during lactation. a total of 108 newly weaned pigs (7.4 kg bw; 26 d of age; half with and half without creep feed) were used. piglets were distributed by bw into 36 pens according to a 2 × 6 factorial arrangement of treatments with previous access to creep feed (with or without) and cereal source in the experimental diet [ ... | 2012 | 23365275 |
| prececal digestibility of various sources of starch in minipigs with or without experimentally induced exocrine pancreatic insufficiency. | low prececal digestibility of starch leads to a higher starch flux into the hindgut, causing a forced microbial fermentation, energy losses, and meteorism. for exocrine pancreatic insufficiency (epi), lack of pancreatic amylase can be compensated mostly by hindgut fermentation of starch. even in pigs with complete loss of pancreatic secretion, starch digestibility over the entire tract is reaching levels of controls. to optimize diets for human patients with epi, the proportion of starch that is ... | 2012 | 23365290 |
| effect of l-valine supplementation to a wheat-based diet with leucine excess on performance, gene expression, and serum concentration of amino acids. | excess leu in the diet reduces the expression of the cationic aa transporter b(0,+), absorption of lys and arg, feed intake, and adg of pigs. because val competes with leu for absorption, surplus val may correct some of these effects. an experiment was conducted to analyze the effect of surplus val in a basal wheat (triticum aestivum) diet fortified with free lys, thr, and met and containing excess leu and ile on performance, expression of genes encoding b(0,+), and serum concentrations of aa. s ... | 2012 | 23365292 |