Publications
| Title | Abstract | Year Filter | PMID(sorted descending) Filter |
|---|
| growth inhibitory and adjuvant therapeutic potential of aqueous extract of triticum aestivum on mcf-7 and hela cells. | the purpose of the present study is to evaluate the potent growth inhibitory effects of aqueous wheatgrass extract (awe) alone and in combination with cisplatin on human breast and cervical cancer cells. | 2014 | 24691278 |
| adventitious roots of wheat seedlings that emerge in oxygen-deficient conditions have increased root diameters with highly developed lysigenous aerenchyma. | exposing roots of plants to hypoxic conditions is known to greatly improve their anoxic stress tolerance. we previously showed that pre-treatment of wheat seedlings with an ethylene precursor, 1-aminocyclopropanecarboxylic acid (acc), enhanced their tolerance of oxygen-deficient conditions. although acc-pretreated seminal roots of wheat seedlings grown under oxygen-deficient conditions avoided root tip death, they elongated very little. in the present study, we assessed the effects of ethylene o ... | 2014 | 24690588 |
| tawrky68 responses to biotic stresses are revealed by the orthologous genes from major cereals. | wrky transcription factors have been extensively characterized in the past 20 years, but in wheat, studies on wrky genes and their function are lagging behind many other species. to explore the function of wheat wrky genes, we identified a tawrky68 gene from a common wheat cultivar. it encodes a protein comprising 313 amino acids which harbors 19 conserved motifs or active sites. gene expression patterns were determined by analyzing microarray data of tawrky68 in wheat and of orthologous genes f ... | 2014 | 24688294 |
| comparative changes in the antioxidant system in the flag leaf of early and normally senescing near-isogenic lines of wheat (triticum aestivum l.). | the antioxidant system was significantly inhibited in the early aging line than the near-isogenic normal aging line during senescence. the antioxidant system plays pivotal roles in removal of reactive oxygen species (ros) produced during leaf senescence. to explore its roles in leaf senescence of wheat (triticum aestivum l.), the concentrations of antioxidants, activities, and gene expression of antioxidant enzymes were evaluated in flag leaves of the early aging line (eal) and the near-isogenic ... | 2014 | 24687459 |
| secreted fungal effector lipase releases free fatty acids to inhibit innate immunity-related callose formation during wheat head infection. | the deposition of the (1,3)-β-glucan cell wall polymer callose at sites of attempted penetration is a common plant defense response to intruding pathogens and part of the plant's innate immunity. infection of the fusarium graminearum disruption mutant δfgl1, which lacks the effector lipase fgl1, is restricted to inoculated wheat (triticum aestivum) spikelets, whereas the wild-type strain colonized the whole wheat spike. our studies here were aimed at analyzing the role of fgl1 in establishing fu ... | 2014 | 24686113 |
| stabilising metal(loid)s in soil with iron and aluminium-based products: microbial, biochemical and plant growth impact. | four iron and aluminium-based products, including red mud (rm), hematite (fe2o3), an iron-rich water treatment residual (fe-wtr) and amorphous al hydroxide (al-oh), were evaluated for their effectiveness at stabilising as and heavy metals (i.e. cd, cu, pb, zn) in a circumneutral contaminated soil [as (2105 mg kg(-1)), cd (18 mg kg(-1)), cu (264 mg kg(-1)), pb (710 mg kg(-1)), zn (522 mg kg(-1))]. treatment impacts on soil microbial and biochemical features (i.e. microbial biomass-c, microbial co ... | 2014 | 24685456 |
| integrative network analysis of the signaling cascades in seedling leaves of bread wheat by large-scale phosphoproteomic profiling. | here, we conducted the first large-scale leaf phosphoproteome analysis of two bread wheat cultivars by liquid chromatography-tandem mass spectrometry. altogether, 1802 unambiguous phosphorylation sites representing 1175 phosphoproteins implicated in various molecular functions and cellular processes were identified by gene ontology enrichment analysis. among the 1175 phosphoproteins, 141 contained 3-10 phosphorylation sites. the phosphorylation sites were located more frequently in the n- and c- ... | 2014 | 24679076 |
| uptake of a cyanotoxin, β-n-methylamino-l-alanine, by wheat (triticum aestivum). | in order to study the uptake of the cyanobacterial neurotoxin β-n-methylamino-l-alanine (bmaa) into the crop plant triticum aestivum during germination and primary growth imbibed grains and 7-day-old seedlings were irrigated with 100 and 1000µg l(-1) bmaa for 4 days and 100µg l(-1) bmaa for 28 days. content of derivatized free and protein-associated bmaa in seedlings, root and shoot tissue, respectively, were analyzed by lc-ms/ms. free bmaa was only detected in seedlings exposed to 1000µg l(-1) ... | 2014 | 24675440 |
| characterization of the caleosin gene family in the triticeae. | the caleosin genes encode proteins with a single conserved ef hand calcium-binding domain and comprise small gene families found in a wide range of plant species. some members of the gene family have been shown to be upregulated by environmental stresses including low water availability and high salinity. caleosin 3 from wheat has been shown to interact with the α-subunit of the heterotrimeric g proteins, and to act as a gtpase activating protein (gap). this study characterizes the size and dive ... | 2014 | 24673767 |
| alkali-induced changes in functional properties and in vitro digestibility of wheat starch: the role of surface proteins and lipids. | the bread wheat starch was treated with 0.025 and 0.0625 m naoh solution for 1, 2, and 3 weeks at 30 °c, and the changes in functionality and in vitro digestibility were evaluated. naoh treatment reduced protein and lipid contents of wheat starch from 0.46 to 0.20% and from 0.59 to 0.25%, respectively. no significant changes were observed in the amylose content, relative crystallinity, and short-range order of double helices, but there was evidence showing that morphology of some starch granules ... | 2014 | 24670231 |
| ethylene negatively regulates aluminium-induced malate efflux from wheat roots and tobacco cells transformed with taalmt1. | an important mechanism for al(3+) tolerance in wheat is exudation of malate anions from the root apex through activation of malate-permeable taalmt1 channels. here, the effect of ethylene on al(3+)-activated efflux of malate was investigated using al(3+)-tolerant wheat genotype et8, which has high expression of taalmt1. exposure of et8 plants to al(3+) enhanced ethylene evolution in root apices. treatment with the ethylene synthesis precursor 1-aminocyclopropane-1-carboxylic acid (acc) and ethyl ... | 2014 | 24668874 |
| genomic changes at the early stage of somatic hybridization. | a broad spectrum of genetic and epigenetic changes is induced by wide hybridization and subsequent polyploidization, but the timing of these events remains obscure because early hybrid cells are very difficult to harvest and analyze. here, we used both cytological and genetic marker approaches to analyze the constitution of very young somatic hybrid cells between japonica rice (oryza sativa l. subsp japonica) and indica rice (oryza sativa l. subsp indica) and between japonica rice and bread whea ... | 2014 | 24668681 |
| cloning and characterization of a wheat homologue of apurinic/apyrimidinic endonuclease ape1l. | apurinic/apyrimidinic (ap) endonucleases are key dna repair enzymes involved in the base excision repair (ber) pathway. in ber, an ap endonuclease cleaves dna at ap sites and 3'-blocking moieties generated by dna glycosylases and/or oxidative damage. a triticum aestivum cdna encoding for a putative homologue of exoiii family ap endonucleases which includes e. coli xth, human ape1 and arabidopsis thaliana atape1l has been isolated and its protein product purified and characterized. | 2014 | 24667595 |
| identification and characterization of a subset of micrornas in wheat (triticum aestivum l.). | micrornas (mirnas) represent a class of endogenous regulator for post-transcriptionally modulating gene expression. elucidating complete mirna repertoires for individual species is a long-desired goal in mirna research. so far only 42 have been annotated for common wheat (triticum aestivum) due to its large genome. here, we employed mirdeep-p, a program developed previously for retrieving mirnas from deep sequencing data in plants, to parse 14 sequenced small rna libraries of wheat using express ... | 2014 | 24667243 |
| antixenosis resistance to oulema melanopus (coleoptera: chrysomelidae) in central asian wheat germplasm. | abstract the cereal leaf beetle, oulema melanopus (l.) (coleoptera: chrysomelidae), which is eurasian in origin, is an emerging pest of agriculturally important cereal crops in western canada, including wheat, oat, and barley. among these crops, wheat (triticum aestivum l.) has the highest number of resistant genotypes to o. melanopus infestation. here we explored six genotypes from central asia with putative resistance to the beetle in comparison with a widely grown canadian wheat variety. we n ... | 2014 | 24665727 |
| hormesis and paradoxical effects of wheat seedling (triticum aestivum l.) parameters upon exposure to different pollutants in a wide range of doses. | chlorophyll and carotenoid content (chcar), lipid peroxidation (lp) and growth parameters (gp) in plants are often used for environmental pollution estimation. however, the nonmonotonic dose-response dependences (hormesis and paradoxical effects) of these indices are insufficiently explored following exposure to different pollutants. in this experiment, we studied nonmonotonic changes in chcar, lp, gp in wheat seedlings (triticum aestivum l.) upon exposure to lead, cadmium, copper, manganese, fo ... | 2014 | 24659937 |
| symplastic and apoplastic uptake and root to shoot translocation of nickel in wheat as affected by exogenous amino acids. | this study investigated the effect of exogenous amino acids on apoplastic and symplastic uptake and root to shoot translocation of nickel (ni) in two wheat cultivars. seedlings of a bread (triticum aestivum cv. back cross) and a durum wheat cultivar (t. durum cv. durum) were grown in a modified johnson nutrient solution and exposed to two levels (50 and 100 μm) of histidine, glycine, and glutamine. application of amino acids resulted in increasing symplastic to apoplastic ni ratio in roots of bo ... | 2014 | 24655389 |
| wheat-aegilops biuncialis amphiploids have efficient photosynthesis and biomass production during osmotic stress. | osmotic stress responses of water content, photosynthetic parameters and biomass production were investigated in wheat-aegilops biuncialis amphiploids and in wheat genotypes to clarify whether they can use to improve the drought tolerance of bread wheat. a decrease in the osmotic pressure of the medium resulted in considerable water loss, stomatal closure and a decreased co2 assimilation rate for the wheat genotypes, while the changes in these parameters were moderate for the amphiploids. maxima ... | 0 | 24655386 |
| haplotype variation of green revolution gene rht-d1 during wheat domestication and improvement. | green revolution made a substantial contribution to wheat yields worldwide in the 1960s and 1970s. it is of great importance to analyze the haplotype variation of rht-d1, the green revolution gene, during wheat (triticum aestivum l.) domestication and breeding to understand its evolution and function in wheat breeding history. in this study, the rht-d1 and its flanking regions were sequenced and single nucleotide polymorphisms were detected based on a panel of 45 accessions of aegilops tauschii, ... | 2014 | 24645900 |
| a role for barley cryptochrome1 in light regulation of grain dormancy and germination. | it is well known that abscisic acid (aba) plays a central role in the regulation of seed dormancy and that transcriptional regulation of genes encoding aba biosynthetic and degradation enzymes is responsible for determining aba content. however, little is known about the upstream signaling pathways impinging on transcription to ultimately regulate aba content or how environmental signals (e.g., light and cold) might direct such expression in grains. our previous studies indicated that light is a ... | 2014 | 24642944 |
| mapping stripe rust resistance in a brundagexcoda winter wheat recombinant inbred line population. | a recombinant inbred line (ril) mapping population developed from a cross between winter wheat (triticum aestivum l.) cultivars coda and brundage was evaluated for reaction to stripe rust (caused by puccinia striiformis f. sp. tritici). two hundred and sixty eight ril from the population were evaluated in replicated field trials in a total of nine site-year locations in the u.s. pacific northwest. seedling reaction to stripe rust races pst-100, pst-114 and pst-127 was also examined. a linkage ma ... | 2014 | 24642574 |
| pi3k is involved in nucleolar structure and function on root-tip meristematic cells of triticum aestivum l. | in this study, wheat (triticum aestivum l.) seeds were used to detect the effect of wortmannin, a specific inhibitor of pi3k, on the nucleolar structure and function. when the germinated seeds were treated with wortmannin, it was shown that the root growth was suppressed and the mitotic index was decreased. the inhibition effects were positively correlated with the concentrations of the drug. the observations of light and transmission electron microscopy revealed that the nucleolar morphology be ... | 2014 | 24642039 |
| characterization of novel wheat nbs domain-containing sequences and their utilization, in silico, for genome-scale r-gene mining. | in crop improvement, the isolation, cloning and transfer of disease resistance genes (r-genes) is an ultimate goal usually starting from tentative r-gene analogs (rgas) that are identified on the basis of their structure. for bread wheat, recent advances in genome sequencing are supporting the efforts of wheat geneticists worldwide. among wheat r-genes, nucleotide-binding site (nbs)-encoding ones represent a major class. in this study, we have used a polymerase chain reaction-based approach to a ... | 2014 | 24638930 |
| taadf7, an actin-depolymerizing factor, contributes to wheat resistance against puccinia striiformis f. sp. tritici. | the actin cytoskeleton is involved in plant defense responses; however, the role of the actin-depolymerizing factor (adf) family, which regulates actin cytoskeletal dynamics, in plant disease resistance, is largely unknown. here, we characterized a wheat (triticum aestivum) adf gene, taadf7, with three copies located on chromosomes 1a, 1b, and 1d, respectively. all three copies encoded the same protein, although there were variations in 19 nucleotide positions in the open reading frame. transcri ... | 2014 | 24635700 |
| mapping quantitative trait loci with additive effects and additive x additive epistatic interactions for biomass yield, grain yield, and straw yield using a doubled haploid population of wheat (triticum aestivum l.). | biomass yield is one of the most important traits for wheat (triticum aestivum l.)-breeding programs. increasing the yield of the aerial parts of wheat varieties will be an integral component of future wheat improvement; however, little is known regarding the genetic control of aerial part yield. a doubled haploid population, comprising 168 lines derived from a cross between two winter wheat cultivars, 'huapei 3' (hp3) and 'yumai 57' (ym57), was investigated. quantitative trait loci (qtl) for to ... | 2014 | 24634240 |
| characterization of the liposoluble fraction of common wheat (triticum aestivum) and spelt (t. aestivum ssp. spelta) flours using multivariate analysis. | in the present paper, a special method for derivatization of liposoluble extract of common wheat and spelt flours was employed which enables simultaneous detection of fatty acid and non-saponifiable lipid fractions. | 2014 | 24633679 |
| the shutdown of celiac disease-related gliadin epitopes in bread wheat by rnai provides flours with increased stability and better tolerance to over-mixing. | celiac disease is a food-sensitive enteropathy triggered by the ingestion of wheat gluten proteins and related proteins from barley, rye, and some varieties of oat. there are no interventional therapies and the only solution is a lifelong gluten-free diet. the down-regulation of gliadins by rnai provides wheat lines with all the gliadin fractions strongly down-regulated (low-gliadin). the technological properties of doughs prepared from the low-gliadin lines indicated a general weakening effect, ... | 0 | 24633046 |
| the effect of manuring on cereal and pulse amino acid δ(15)n values. | amino acid δ(15)n values of barley (hordeum vulgare) and bread wheat (triticum aestivum) grains and rachis and broad bean (vicia faba) and pea (pisum sativum) seeds, grown in manured and unmanured soil at the experimental farm stations of rothamsted, uk and bad lauchstädt, germany, were determined by gc-c-irms. manuring was found to result in a consistent (15)n-enrichment of cereal grain amino acid δ(15)n values, indicating that manuring did not affect the metabolic routing of nitrogen (n) into ... | 2014 | 24631496 |
| decolorization and degradation mechanism of amaranth by polyporus sp. s133. | polyporus sp. s133 decolorized the amaranth in 72 h (30 mg l(-1)) under static and shaking conditions. liquid medium containing glucose has shown the highest decolorization of amaranth by polyporus sp. s133. when the effect of increasing inoculum concentration on decolorization of amaranth was studied, maximum decolorization was observed with 15 % inoculum concentration. significant increase in the enzyme production of laccase (102.2 u l(-1)) was observed over the period of amaranth decolorizati ... | 2014 | 24623464 |
| isolation and in-silico characterization of peroxidase isoenzymes from wheat (triticum aestivum) against karnal bunt (tilletia indica). | to investigate the role of peroxidase and its physiological significance under karnal bunt (kb) were determined in resistant (hd-29) and susceptible genotype (wh-542) of wheat during different developmental stages. the enzymes were expressed constitutively in both the susceptible and resistant genotype. in gel assay and differential expression analysis of pod was significantly higher (p >0.05) in sv and s2, than the s1 and s3 stages. in silico analysis of peroxidase for eg. physico-chemical prop ... | 2014 | 24616560 |
| characterization of a new wheat-aegilops biuncialis addition line conferring quality-associated hmw glutenin subunits. | in this study, a new disomic addition line, 12-5-2, with 44 chromosomes that was derived from bc3f2 descendants of the hybridization between triticum aestivum cv. cn19 and aegilops biuncialis was created and reported. 12-5-2 was immune to both powdery mildew and stripe rust and has stable fertility. fluorescence in situ hybridization and c-banding revealed that 12-5-2 was a 1u(b) disomic addition line (adl1u(b)). the seed storage protein electrophoresis showed that 12-5-2 presented all high mole ... | 2014 | 24615031 |
| sequencing of chloroplast genomes from wheat, barley, rye and their relatives provides a detailed insight into the evolution of the triticeae tribe. | using roche/454 technology, we sequenced the chloroplast genomes of 12 triticeae species, including bread wheat, barley and rye, as well as the diploid progenitors and relatives of bread wheat triticum urartu, aegilops speltoides and ae. tauschii. two wild tetraploid taxa, ae. cylindrica and ae. geniculata, were also included. additionally, we incorporated wild einkorn wheat triticum boeoticum and its domesticated form t. monococcum and two hordeum spontaneum (wild barley) genotypes. chloroplast ... | 2014 | 24614886 |
| sterol binding by methyl-β-cyclodextrin and nystatin--comparative analysis of biochemical and physiological consequences for plants. | the dependence of membrane function on its sterol component has been intensively studied with model lipids and isolated animal membranes, but to a much lesser extent with plant membranes. depleting membrane sterols could be predicted to have a strong effect on membrane activity and have harmful physiological consequences. in this study, we characterized membrane lipid composition, membrane permeability for ions, some physiological parameters, such as h2o2 accumulation, formation of autophagosoma ... | 2014 | 24612537 |
| the trafficking pathway of a wheat storage protein in transgenic rice endosperm. | the trafficking of proteins in the endoplasmic reticulum (er) of plant cells is a topic of considerable interest since this organelle serves as an entry point for proteins destined for other organelles, as well as for the er itself. in the current work, transgenic rice was used to study the pattern and pathway of deposition of the wheat high molecular weight (hmw) glutenin sub-unit (gs) 1dx5 within the rice endosperm using specific antibodies to determine whether it is deposited in the same or d ... | 2014 | 24603605 |
| effect of urea and certain npk fertilizers on the cereal cyst nematode (heterodera avenae) on wheat. | two outdoor pot experiments were conducted in two consecutive years under outdoor conditions during the wheat growing season in saudi arabia to determine the effects of urea and certain compound fertilizers (npk), compared to the effects of the nematicide fenamiphos on the cereal cyst nematode (ccn), heterodera avenae, and wheat growth. the results showed that all of the treatments, except the fertilizer diammonium phosphate (dap), reduced the number of nematode cysts/root system and increased ( ... | 2014 | 24600314 |
| role of triticum aestivum aqueous extract in glucocorticoid induced osteoporosis in rats. | administration of aqueous extract of t. aestivum (200 and 400 mg/kg/day, po, for 30 days) and risedronate (20 microg/kg, sc, five times a week for 30 days) following methyl prednisolone sodium succinate (10 mg/kg, sc, thrice a week for 4 weeks) induced osteoporosis in wistar rats showed an increase in the serum levels of bone mineral content markers, decrease in the serum and urinary levels of bone resorption markers. an incline in strength of femur and tibia was seen particularly with 400 mg/kg ... | 2014 | 24597148 |
| occurrence of arbuscular mycorrhizal fungi in saline soils of the tabriz plain of iran in relation to some physical and chemical properties of soil. | the abundance and distribution of arbuscular mycorrhizal fungi (amf) were evaluated in the tabriz plain, where soil salinity levels range from 7.3 to 92.0 ds/m. soil and root samples were collected from the rhizosphere of several glycophytes (allium cepa l., medicago sativa l., triticum aestivum l. and hordeum vulgare l.) and halophytes (salicornia sp. and salsola sp.) and were analysed for spore number in soil, root colonization with amf and some physical and chemical soil properties. the numbe ... | 2001 | 24595430 |
| genetic rearrangements of six wheat-agropyron cristatum 6p addition lines revealed by molecular markers. | agropyron cristatum (l.) gaertn. (2n = 4x = 28, pppp) not only is cultivated as pasture fodder but also could provide many desirable genes for wheat improvement. it is critical to obtain common wheat-a. cristatum alien disomic addition lines to locate the desired genes on the p genome chromosomes. comparative analysis of the homoeologous relationships between the p genome chromosome and wheat genome chromosomes is a key step in transferring different desirable genes into common wheat and produci ... | 2014 | 24595330 |
| effect of high molecular weight glutenin subunit composition in common wheat on dough properties and steamed bread quality. | steamed bread is a popular staple food in asia with different flour quality requirements from pan bread. little is known about how glutenin characteristics affect steamed bread quality. this work investigated how deletions of high-molecular-weight glutenin subunits (hmw-gs) influence gluten properties and chinese steamed bread quality using 16 wheat lines grown in texas. | 2014 | 24591045 |
| molecular characterization of the citrate transporter gene tamate1 and expression analysis of upstream genes involved in organic acid transport under al stress in bread wheat (triticum aestivum). | in bread wheat, besides malate, the importance of citrate efflux for al tolerance has also been reported. for better understanding the al tolerance mechanism in bread wheat, here, we performed both a molecular characterization of the citrate transporter gene tamate1 and an investigation on the upstream variations in citrate and malate transporter genes. tamate1 belong to multidrug transporter protein family, which are located on the long arm of homoeologous group 4 chromosomes (tamate1-4a, tamat ... | 2014 | 24588850 |
| influence of defatted soy flour addition on the quality and stability of pretzel type product. | effect of soya flour addition to 70% extraction bread wheat flour (pbw-343) at (0, 5, 10, 20 & 30%) was investigated for physico-chemical, dough handling and pretzel making properties. results revealed that with increasing dsf addition, farinogram characteristics; water absorption, arrival time, dough development time and dough stability increased while mixing tolerance index and degree of softening decreased. amylogram characteristics gelatinization temperature, peak viscosity, peak temperature ... | 2014 | 24587534 |
| dynamics of rhizosphere properties and antioxidative responses in wheat (triticum aestivum l.) under cadmium stress. | in this study, we performed a rhizobox experiment to examine the dynamic changes in the rhizosphere properties and antioxidant enzyme responses of triticum aestivum l. under three levels of cadmium stress. a set of micro-techniques (i.e., rhizobox and rhizon sms) were applied for the dynamically non-destructive collection of the rhizosphere soil solution to enable the observation at a high temporal resolution. the dynamics of soluble cadmium and dissolved organic carbon (doc) in the rhizosphere ... | 2014 | 24580822 |
| isolation and characterization of a wheat--psathyrostachys huashanica 'keng' 3ns disomic addition line with resistance to stripe rust. | we isolated a wheat germplasm line, 22-2, which was derived from common wheat (triticum aestivum '7182') and psathyrostachys huashanica 'keng' (2n = 2x = 14, nsns). genomic composition and homoeologous relationships of 22-2 was analyzed using cytology, genomic in situ hybridization (gish), est-ssr, and est-sts to characterize the alien chromatin in the transfer line. the cytological investigations showed that the chromosome number and configuration were 2n = 44 = 22 ii. mitotic and meiotic gish ... | 2014 | 24564214 |
| abnormal mitosis induced by wheat-rye 1r monosomic addition lines. | octoploid triticale were derived from common wheat (triticum aestivum l. 'mianyang11') × rye (secale cereale l. 'kustro'), and some progeny were obtained by the backcrossing of triticale with 'mianyang11' followed by self-fertilization. in situ hybridization using rye genomic dna and repetitive sequences pas1 and psc119.2 as probes was used to analyze the mitotic chromosomes of these progeny. three wheat-rye 1r monosomic addition lines and a wheat line (12ft-1685) containing a 1r and a 1bl.1rs t ... | 2014 | 24564212 |
| variability of non-symbiotic and truncated hemoglobin genes from the genome of cultivated monocots. | non-symbiotic (nshb) and truncated (thb) hemoglobins (hbs) have been detected in a variety of land plants. the evolution of land plant nshbs and thbs at the protein level is well documented; however, little is known about the evolution of genes coding for these proteins. for example, the variability of the land plant nshb and thb genes is not known. here, we report the variability of the nshb and thb genes from the genome of the cultivated monocots brachypodium distachyon, hordeum vulgare (barle ... | 0 | 24563718 |
| waterlogging and nitric oxide induce gene expression and increase antioxidant enzyme activity in wheat (triticum aestivum l.). | the effects of waterlogging (wl) and wl plus nitric oxide (wl+no) were investigated in seedlings of one wheat cultivars (triticum aestivum cv. dogankent) and one wheat line (triticum aestivum cv. ducula-4). under wl conditions, catalase activity was greater in ducula-4 than in dogankent. glutathione reductase activity increased in ducula-4 seedlings under wl+no conditions, especially at 48 and 72 hours of treatment. myb2 expression increased during the early hours of treatment in both wheat vari ... | 2014 | 24561894 |
| light influences how the fungal toxin deoxynivalenol affects plant cell death and defense responses. | the fusarium mycotoxin deoxynivalenol (don) can cause cell death in wheat (triticum aestivum), but can also reduce the level of cell death caused by heat shock in arabidopsis (arabidopsis thaliana) cell cultures. we show that 10 μg ml(-1) don does not cause cell death in arabidopsis cell cultures, and its ability to retard heat-induced cell death is light dependent. under dark conditions, it actually promoted heat-induced cell death. wheat cultivars differ in their ability to resist this toxin, ... | 2014 | 24561479 |
| [the protochlorophyll(ide) transformation and its relation to the photooxidation of ascorbic acid in etiolated seedlings]. | the terminal steps in chlorophyll synthesis leading from protochlorophyll(ide) to chlorophyll have been investigated on etiolated seedlings of triticum vulgare.it could be demonstrated that at least before the lag-phase the synthesis of chlorophyll proceeds not only via protochlorophyllide but also via protochlorophyll; however, about 90% of the synthesized chlorophyll originates from protochlorophyllide reduction.by a two-minute illumination with 7000 lux 76-88% of the protochlorophyllide but o ... | 1966 | 24557844 |
| the influence of epiphytic bacteriae on auxin metabolism. | plants are settled by epiphytic bacteriae able to convert tryptophan to iaa. this bacterial activity is abolished by chloramphenicol and streptomycin but not by penicillin. tryptophan conversion to iaa by plant parts or enzyme preparations is far more intensive in non-sterile conditions than in sterile ones. this is true for all investigated objects: helianthus annuus, phaseolus vulgaris, pisum sativum, triticum vulgare, zea mays, enteromorpha compressa, fucus vesiculosus, furcellaria fastigiata ... | 1966 | 24557783 |
| growth behavior studies of bread wheat plant exposed to municipal landfill leachate. | pot experiments were carried out to study the effect of different dilutions of leachate generated from municipal solid waste (msw) landfill on bread wheat (triticum aestivum). eight treatment groups with different concentrations (0-100%) of leachate were prepared and treatments were given to the plants till they reached complete vegetative phase (45 days). the growth performances of wheat plants were assessed in terms of various parameters such as shoot and root length, dry biomass and chlorophy ... | 2013 | 24555341 |
| qualitative/quantitative strategy for the determination of glufosinate and metabolites in plants. | a simple method for the simultaneous determination of glufosinate and itsmetabolites in plants based on liquid chromatography–ultraviolet (lc–uv) absorption detection after derivatization with fluorenylmethoxycarbonyl chloride (fmoc-cl) of some analytes to facilitate separation is reported here. nonavailable standard metabolites were identified by lc–tof/mass spectrometry (ms), which also confirmed all target analytes. ultrasound-assisted extraction was used for sample preparation (power of 70 w ... | 2014 | 24555202 |
| flow cytometric chromosome sorting from diploid progenitors of bread wheat, t. urartu, ae. speltoides and ae. tauschii. | chromosomes 5a (u) , 5s and 5d can be isolated from wild progenitors, providing a chromosome-based approach to develop tools for breeding and to study the genome evolution of wheat. the three subgenomes of hexaploid bread wheat originated from triticum urartu (a(u)a(u)), from a species similar to aegilops speltoides (ss) (progenitor of the b genome), and from ae. tauschii (dd). earlier studies indicated the potential of chromosome genomics to assist gene transfer from wild relatives of wheat and ... | 2014 | 24553964 |
| development of a sensitive monoclonal antibody-based enzyme-linked immunosorbent assay for the analysis of paclobutrazol residue in wheat kernel. | an indirect competitive enzyme-linked immunosorbent assay (icelisa) was developed with monoclonal antibody (mab) mab6h73c9 recognizing the plant growth regulator paclobutrazol (pbz). the icelisa had a half-maximum inhibition concentration (ic50) and working range of approximately 8.7 and 2.0-50.4 ng/ml, respectively. average recoveries of pbz in the wheat (triticum aestivum) kernel samples were between 84.3 and 118.9% with relative standard deviations between 3.9 and 14.2%. as determined by the ... | 2014 | 24547795 |
| analysis of high pi α-amy-1 gene family members expressed in late maturity α-amylase in wheat (triticum aestivum l.). | late maturity α-amylase (lma) is a genetic defect involving the synthesis of high pi isozymes of α-amylase encoded by α-amy-1 genes during the later stages of grain development. the aims of this investigation were to determine both the number of expressed α-amy-1 genes and their relative transcript abundance. sub-cloning and sequencing of expressed high pi α-amylase genes in developing wheat seeds revealed three insertion/deletion patterns in the 3' untranslated region and numerous single nucleo ... | 2014 | 24532978 |
| gluten and wheat intolerance today: are modern wheat strains involved? | celiac disease is a food-induced enteropathy resulting from exposure to gluten in genetically predisposed individuals. the non-celiac gluten sensitivity (ncgs) is a less known syndrome whose prevalence is under-estimated. the last decades have seen changes in the clinical presentation of both diseases. one possible explanation is that changes in the gluten-rich cereals themselves were the principal causes. celiac-triggering gluten proteins are indeed expressed to higher levels in modern cereals ... | 0 | 24524657 |
| [the dose response relations in geotropic and phototropic stimulation: comparison of mono-with dicotyledonous plants]. | the increase in the geotropic curvatures of avena coleoptiles and lens epicotyls is linear and proportional to the time of stimulation. with low stimulation the sensitivities of both objects are equal; with longer stimulation the curvature of avena coleoptiles is somewhat greater.to increased phototropic irradiance lens epicotyls react with a first and a second positive curvature. between the two ranges of curvature (from about 10,000 up to 1,000,000 lx · sec) they are phototropically insensitiv ... | 1967 | 24522545 |
| molecular mapping and improvement of leaf rust resistance in wheat breeding lines. | leaf rust, caused by puccinia triticina, is the most common and widespread disease of wheat (triticum aestivum) worldwide. deployment of host-plant resistance is one of the strategies to reduce losses due to leaf rust disease. the objective of this study was to map genes for adult-plant resistance to leaf rust in a recombinant inbred line (ril) population originating from mn98550-5/mn99394-1. the mapping population of 139 rils and five checks were evaluated in 2005, 2009, and 2010 in five enviro ... | 2014 | 24521485 |
| amplification of aba biosynthesis and signaling through a positive feedback mechanism in seeds. | abscisic acid is an essential hormone for seed dormancy. our previous study using the plant gene switch system, a chemically induced gene expression system, demonstrated that induction of 9-cis-epoxycarotenoid dioxygenase (nced), a rate-limiting aba biosynthesis gene, was sufficient to suppress germination in imbibed arabidopsis seeds. here, we report development of an efficient experimental system that causes amplification of nced expression during seed maturation. the system was created with a ... | 2014 | 24520869 |
| protein composition of wheat gluten polymer fractions determined by quantitative two-dimensional gel electrophoresis and tandem mass spectrometry. | certain wheat gluten proteins form large protein polymers that are extractable in 0.5% sds only after sonication. although there is a strong relationship between the amounts of these polymers in the flour and bread-making quality, the protein components of these polymers have not been thoroughly investigated. | 2014 | 24517725 |
| [host-parasite metabolic relationship between puccinia graminis var. tritici and triticum vulgare (wheat) : ii. uptake of hexoses from the host]. | rust infected leaves of wheat plants were incubated with glucose-(14)c. uredospores which were formed during the application of the tracer were analyzed. all isolated compounds were labeled with (14)c. when germinating uredospores were incubated directly with (14)c-glucose, the isolated glutamic acid, arginine and lysine had practically no radioactivity. these compounds did, however, contain considerable (14)c-activity when they were isolated from uredospores formed on leaves that had been treat ... | 1969 | 24515592 |
| [host-parasite metabolic relationship between puccinia graminis var. tritici and triticum vulgare (wheat) : i. uptake of amino acids from the host]. | rust infected wheat plants were incubated with different (14c)-labelled amino acids. uredospores that were formed during the incubation contained (14)c-activity. by analysis of these spores it was investigated whether the parasitic mycelium of puccinia graminis takes amino acids from the host. it could be demonstrated that the applicated amino acids were taken up directly from the wheat leaf. the carbon sceletons of applicated lysine and arginine showed only little randomization of (14)c-activit ... | 1969 | 24515556 |
| genetic diversity in bread wheat (triticum aestivum l.) genotypes. | wheat is one most important cereal crops grown in ethiopia. yet, keeping in view insufficient information on exotic bread wheat genotypes is limiting the access to useful traits present among the genotypes in the somali region of ethiopia. the aim of the study was to assess the extent of genetic diversity among bread wheat genotypes. twenty six bread wheat (triticum aestivum l.) genotypes obtained from icarda-cimmyt were tested at gode and kelafo research sites at three cropping seasons (2009/10 ... | 2013 | 24511742 |
| identification of leaf rust resistance genes in selected egyptian wheat cultivars by molecular markers. | leaf rust, caused by puccinia triticina eriks., is a common and widespread disease of wheat (triticum aestivum l.) in egypt. host resistance is the most economical, effective, and ecologically sustainable method of controlling the disease. molecular markers help to determine leaf rust resistance genes (lr genes). the objective of this study was to identify lr genes in fifteen wheat cultivars from egypt. ten genes, lr13, lr19, lr24, lr26, lr34, lr35 lr36, lr37, lr39, and lr46, were detected in fi ... | 2014 | 24511291 |
| can plants serve as a vector for prions causing chronic wasting disease? | prions, the causative agent of chronic wasting disease (cwd) enter the environment through shedding of bodily fluids and carcass decay, posing a disease risk as a result of their environmental persistence. plants have the ability to take up large organic particles, including whole proteins, and microbes. this study used wheat (triticum aestivum l.) to investigate the uptake of infectious cwd prions into roots and their transport into aerial tissues. the roots of intact wheat plants were exposed ... | 2014 | 24509640 |
| photosynthetic proton and electron transport in wheat leaves under prolonged moderate drought stress. | in conditions of long-lasting moderate drought stress, we have studied the photoprotective responses in leaves of wheat (triticum aestivum l., cv. katya) related to the photosynthetic electron and proton transport. the dark-interval relaxation kinetics of electrochromic bandshift (ecs) indicated a decrease of electric and an increase of osmotic component of the proton motive force in drought stressed leaves, but neither the total proton motive force (pmf) nor the thylakoid proton conductance (gh ... | 2014 | 24508481 |
| development and characterization of wheat lines carrying stem rust resistance gene sr43 derived from thinopyrum ponticum. | wheat lines carrying ug99-effective stem rust resistance gene sr43 on shortened alien chromosome segments were produced using chromosome engineering, and molecular markers linked to sr43 were identified for marker-assisted selection. stem rust resistance gene sr43, transferred into common wheat (triticum aestivum) from thinopyrum ponticum, is an effective gene against stem rust ug99 races. however, this gene has not been used in wheat breeding because it is located on a large th. ponticum 7el(2) ... | 2014 | 24504553 |
| breeding for the future: what are the potential impacts of future frost and heat events on sowing and flowering time requirements for australian bread wheat (triticum aestivium) varieties? | extreme climate, especially temperature, can severely reduce wheat yield. as global warming has already begun to increase mean temperature and the occurrence of extreme temperatures, it has become urgent to accelerate the 5-20 year process of breeding for new wheat varieties, to adapt to future climate. we analyzed the patterns of frost and heat events across the australian wheatbelt based on 50 years of historical records (1960-2009) for 2864 weather stations. flowering dates of three contrasti ... | 2012 | 24501066 |
| heritable, de novo resistance to leaf rust and other novel traits in selfed descendants of wheat responding to inoculation with wheat streak mosaic virus. | stable resistance to infection with wheat streak mosaic virus (wsmv) can be evolved de novo in selfing bread wheat lines subjected to cycles of wsmv inoculation and selection of best-performing plants or tillers. to learn whether this phenomenon might be applied to evolve resistance de novo to pathogens unrelated to wsmv, we examined the responses to leaf rust of succeeding generations of the rust- and wsmv-susceptible cultivar 'lakin' following wsmv inoculation and derived rust-resistant sublin ... | 2014 | 24497941 |
| expression and in silico characterization of phenylalanine ammonium lyase against karnal bunt (tilletia indica) in wheat (triticum aestivum). | to investigate the lignifications process and its physiological significance under karnal bunt (kb), the changes in enzymes responsible for lignifications likes, phenylalanine ammonia lyase (pal), were determined in resistant (hd-29) and susceptible genotype (wh-542) of wheat during different developmental stages. the pal gene was cloned and sequenced. the expression of pal gene was measured by means of semi-quantitative rt-pcr. the enzyme was expressed constitutively in both the susceptible and ... | 2013 | 24497728 |
| quality determination of wheat: genetic determination, biochemical markers, seed storage proteins - bread and durum wheat germplasm. | quality is an important determinant in wheat breeding since its genetic background is less affected by the environment and sufficiently influences the commercial value of a cultivar. thus, if a certain cultivar possesses some specific allele combination at crucial loci, then it appears quite possible to exhibit valuable qualitative traits in terms of end-product quality. this is also true if either durum or bread wheat germplasm is involved. | 2014 | 24497330 |
| the weight of the mature wheat grain. | grains retained on the plants of some cultivars of common bread wheat lose dry matter after ripeness is attained, but later gain dry matter again. we conclude that the post-ripe plant may remain metabolically active. | 1970 | 24496940 |
| genetic mapping of a putative thinopyrum intermedium-derived stripe rust resistance gene on wheat chromosome 1b. | stripe rust resistance transferred from thinopyrum intermedium into common wheat was controlled by a single dominant gene, which mapped to chromosome 1b near yr26 and was designated yrl693. stripe rust caused by puccinia striiformis f. sp. tritici (pst) is a highly destructive disease of wheat (triticum aestivum). stripe rust resistance was transferred from thinopyrum intermedium to common wheat, and the resulting introgression line (l693) exhibited all-stage resistance to the widely virulent an ... | 2014 | 24487977 |
| isolation of protoplasts from cereal leaves. | mature leaves of secale cereale cut into narrow strips and incubated for 18 h in a mixture of cellulase (meicelase) and pectinase (pectinol r10) produced quantities of protoplasts. under the same conditions leaves of triticum aestivum, hordeum vulgare and avena sativa also produce protoplasts but in lower yields. the wheat and rye protoplasts in culture appear to regenerate a cell wall but only a very small proportion undergo cell division. | 1972 | 24481701 |
| the homoeologous genes encoding chalcone-flavanone isomerase in triticum aestivum l.: structural characterization and expression in different parts of wheat plant. | chalcone-flavanone isomerase (chi; ec 5.5.1.6.) participates in the early step of flavonoid biosynthesis, related to plant adaptive and protective responses to environmental stress. the bread wheat genomic sequences encoding chi were isolated, sequenced and mapped to the terminal segment of the long arms of chromosomes 5a, 5b and 5d. the loss of the final chi intron and junction of the two last exons was found in the wheat a, b and d genomes compared to the chi sequences of most other plant spec ... | 2014 | 24480448 |
| overexpression of vp, a vacuolar h+-pyrophosphatase gene in wheat (triticum aestivum l.), improves tobacco plant growth under pi and n deprivation, high salinity, and drought. | establishing crop cultivars with strong tolerance to p and n deprivation, high salinity, and drought is an effective way to improve crop yield and promote sustainable agriculture worldwide. a vacuolar h+-pyrophosphatase (v-h+-ppase) gene in wheat (tavp) was functionally characterized in this study. tavp cdna is 2586-bp long and encodes a 775-amino-acid polypeptide that contains 10 conserved membrane-spanning domains. transcription of tavp was upregulated by inorganic phosphate (pi) and n depriva ... | 2014 | 24474810 |
| biodegradation of methyl red by bacillus sp. strain un2: decolorization capacity, metabolites characterization, and enzyme analysis. | azo dyes are recalcitrant and refractory pollutants that constitute a significant menace to the environment. the present study is focused on exploring the capability of bacillus sp. strain un2 for application in methyl red (mr) degradation. effects of physicochemical parameters (ph of medium, temperature, initial concentration of dye, and composition of the medium) were studied in detail. the suitable ph and temperature range for mr degradation by strain un2 were respectively 7.0-9.0 and 30-40 ° ... | 2014 | 24474566 |
| senescence, nutrient remobilization, and yield in wheat and barley. | cereals including wheat and barley are of primary importance to ensure food security for the 21st century. a combination of lab- and field-based approaches has led to a considerably improved understanding of the importance of organ and particularly of whole-plant (monocarpic) senescence for wheat and barley yield and quality. a delicate balance between senescence timing, grain nutrient content, nutrient-use efficiency, and yield needs to be considered to (further) improve cereal varieties for a ... | 0 | 24470467 |
| longitudinal distribution of growth substances in leaves of wheat (triticum aestivum l.). | the basal fifth of the lamina, containing most of the gibberellin of young leaves, was the only part of the lamina that elongated. when the base of the lamina stopped elongating the gibberellin apparently moved up the lamina, but the leaf sheath still contained some gibberellin and continued to elongate. old, fully elongated, leaves contained most auxin and tryptophan in the apical fifth of the lamina that was dying; young leaves contained insignificant amounts of auxin. leaves contained two cyt ... | 1973 | 24469894 |
| identification of a robust molecular marker for the detection of the stem rust resistance gene sr45 in common wheat. | fine mapping of the ug99 effective stem rust resistance gene sr45 introgressed into common wheat from the d -genome goatgrass aegilops tauschii. stem rust resistance gene sr45, discovered in aegilops tauschii, the progenitor of the d -genome of wheat, is effective against commercially important puccinia graminis f. sp. tritici races prevalent in australia, south africa and the ug99 race group. a synthetic hexaploid wheat (rl5406) generated by crossing ae. tauschii accession rl5289 (carrying sr45 ... | 2014 | 24469473 |
| growth initiation in the geotropic response of the wheat node. | the geotropic response in stems of triticum aestivum occurs at the leaf sheath bases. growth is initiated in the lower halves of these organs after orientation into the horizontal position. lateral transport of growth hormone is not involved in the development of curvature. continuous stimulation is necessary to maintain the response.growth can be initiated in small pieces of tissue excised from the leaf sheath base but this is entirely dependent upon the precise orientation of the tissue in the ... | 1973 | 24468728 |
| a genotypic difference in primary root length is associated with the inhibitory role of transforming growth factor-beta receptor-interacting protein-1 on root meristem size in wheat. | previously we identified a major quantitative trait locus (qtl) qtalro-b1 for primary root length (prl) in wheat. here we compare proteomics in the roots of the qtalro-b1 qtl isolines 178a, with short prl and small meristem size, and 178b, with long prl and large meristem size. a total of 16 differentially expressed proteins were identified: one, transforming growth factor (tgf)-beta receptor-interacting protein-1 (tatrip1), was enriched in 178a, while various peroxidases (pods) were more abunda ... | 2014 | 24467344 |
| exogenous ga3 application can compensate the morphogenetic effects of the ga-responsive dwarfing gene rht12 in bread wheat. | the most common dwarfing genes in wheat, rht-b1b and rht-d1b, classified as gibberellin-insensitive (gai) dwarfing genes due to their reduced response to exogenous ga, have been verified as encoding negative regulators of gibberellin signaling. in contrast, the response of gibberellin-responsive (gar) dwarfing genes, such as rht12, to exogenous ga is still unclear and the role of them, if any, in ga biosynthesis or signaling is unknown. the responses of rht12 to exogenous ga3 were investigated o ... | 2014 | 24466090 |
| the reducing end sequence of wheat endosperm cell wall arabinoxylans. | walls from wheat (triticum aestivum l.) endosperm are composed primarily of hetero-(arabino)xylans (axs) (70%) and (1→3)(1→4)-β-d-glucans (20%) with minor amounts of cellulose and heteromannans (2% each). to understand the differential solubility properties of the axs, as well as aspects of their biosynthesis, we are sequencing the xylan backbone and examining the reducing end (re) sequence(s) of wheat (monocot) axs. a previous study of grass axs (switchgrass, rice, brachypodium, miscanthus and ... | 2014 | 24462668 |
| acid-induced growth and the geotropic response of the wheat node. | growth is initiated in segments of the leaf sheath base of triticum aestivum by gravitational stimulation and by incubation in buffer solutions of ph 3. both responses involve only an increase in segment length, are rapidly terminated on removal of the stimulus, have a similar q10 and are dependent upon cell turgor. they differ, however, in that the response to acid solutions is rapid and unaffected by anoxia. acid-induced growth can be stopped and started repeatedly by changing the ph, an incre ... | 1973 | 24458791 |
| the physico-chemical basis of leaf wettability in wheat. | wild type wheat (triticum aestivum l.) and three mutant lines that have reduced glaucousness on the flag leaf sheath have been examined for variations in glaucousness, contact angles, wax chemistry and wax morphology. on the sheath and culm, organs that are glaucous in the wild type, increasing glaucousness is correlated with increasing contact angles, an increasing proportion of β-diketones plus hydroxy-β-diketones in the was and an increasing proportion of wax tubes. organs that were non-glauc ... | 1973 | 24458788 |
| thigmomorphogenesis: the response of plant growth and development to mechanical stimulation : with special reference to bryonia dioica. | when young plants of hordeum vulgare. bryonia dioica. cucumis sativus. phaseolus vulgaris. mimosa pudica. and ricinus communis. were given a gentle mechanical stimulus by rubbing the internodes for about 10 s once or twice daily, elongation was significantly retarded. plants of cucurbita pepo pisum sativum and triticum aestivum did not exhibit any such response. the initial response to rubbing was very rapid, elongation stopping less than 3 min after application of the stimulus. when the stimulu ... | 1973 | 24458719 |
| the rôle of reducing sugars in the geotropic response of the wheat node. | the distribution of sugars in the leaf sheath base of wheat (triticum aestivum) becomes asymmetric following horizontal displacement, the reducing sugar content of the lower side rising to 300-400% of that of the upper side during a 24-h stimulation period. the changes involve the hydrolysis of sucrose and appear, in older organs, in the absence of growth. although gravity-induced, the increase in reducing sugar content is not essential for initiation of the growth which gives rise to the geotro ... | 1974 | 24458423 |
| stimulation of polyphenol oxidase (monophenolase) activity in wheat endosperm by gibberellic acid, cycloheximide and actinomycin d. | embryoless wheat (triticum aestivum l.) half-seeds on incubation with gibberellic acid (ga3) showed a 2- to 2.5fold stimulation of monophenolase activity. the enzyme activity was not released into the incubation medium in ga3-treated half-seeds. the effect of ga3 was counteracted by the addition of abscisic acid (aba) to the half-seeds. adenosine-3',5'-cyclic monophosphate and its structural analogues were ineffective in increasing the monophenolase activity. actinomycin d and cycloheximide show ... | 1974 | 24458125 |
| genetic analysis of biomass and photosynthetic parameters in wheat grown in different light intensities. | growth light intensities largely determine photosynthesis, biomass, and grain yield of cereal crops. to explore the genetic basis of light responses of biomass and photosynthetic parameters in wheat (triticum aestivum l.), a quantitative trait locus (qtl) analysis was carried out in a doubled haploid (dh) population grown in low light (ll), medium light (ml), and high light (hl), respectively. the results showed that the wheat seedlings grown in hl produced more biomass with lower total chloroph ... | 2014 | 24456166 |
| traits associated with winter wheat grain yield in central and west asia. | improved adaptation of winter wheat (triticum aestivum l.) to drought and heat may be influenced by days to heading, plant height, biomass, canopy temperature (ct) at grain filling, and rate of senescence. this study shows that, under supplemental irrigation or rainfed conditions, days to heading and plant height together explain up to 68% of grain yield (gy) variation, and these associations were further confirmed in several locations across west and central asia. days to heading can be slightl ... | 2014 | 24456121 |
| cloning of seed dormancy genes (tasdr) associated with tolerance to pre-harvest sprouting in common wheat and development of a functional marker. | after cloning and mapping of wheat tasdr genes, both the functional markers for tasdr - b1 and tavp - 1b were validated, and the distribution of allelic variations at tasdr - b1 locus in the wheat cultivars from 19 countries was characterized. seed dormancy is a major factor associated with pre-harvest sprouting (phs) in common wheat (triticum aestivum l.). wheat tasdr genes, orthologs of ossdr4 conferring seed dormancy in rice, were cloned by a comparative genomics approach. they were located o ... | 2014 | 24452439 |
| components from wheat roots modify the bioactivity of zno and cuo nanoparticles in a soil bacterium. | zno and cuo nanoparticles (nps) have widespread commercial uses and their impact on agricultural systems is unresolved. this study examined whether the metabolites washed from wheat (triticum aestivum l.) roots modulated the metabolic response to the nps of a biosensor generated in the root colonizer, pseudomonas putida kt2440. the root wash components boosted light output of the biosensor consistent with their catabolism. dose-dependent and rapid inhibition of cell metabolism occurred with both ... | 2014 | 24448483 |
| overexpression of tanhx3, a vacuolar na⁺/h⁺ antiporter gene in wheat, enhances salt stress tolerance in tobacco by improving related physiological processes. | salt stress is one of the major abiotic stresses affecting plant growth, development, and productivity. in this study, we functionally characterized a wheat vacuolar na(+)/h(+) antiporter gene (tanhx3). tanhx3 is 78.9% identical with tanhx2 in nucleic acid level, encoding a polypeptide of 522 amino acids (aa). tanhx3 is targeted onto tonoplast after er sorting and can complement the growth under salt stress in a yeast mutant with a defective vacuolar na(+)/h(+) antiporter exchange. tanhx3 transc ... | 2014 | 24448321 |
| manipulation of monoubiquitin improves chilling tolerance in transgenic tobacco (nicotiana tabacum). | ubiquitin (ub) is a multifunctional protein that mainly functions to tag proteins for selective degradation by the 26s proteasome. we cloned an ub gene taub2 from wheat (triticum aestivum l.) previously. to study the function of taub2 in chilling stress, sense and antisense ub transgenic tobacco plants (nicotiana tabacum l.), as well as wild type (wt) and vector control β-glucuronidase (t-gus) plants, were used. under stress, leaf wilting in sense plants was significantly less than in controls, ... | 2014 | 24445300 |
| a wheat similar to rcd-one gene enhances seedling growth and abiotic stress resistance by modulating redox homeostasis and maintaining genomic integrity. | plant growth inhibition is a common response to salinity. under saline conditions, shanrong no. 3 (sr3), a bread wheat (triticum aestivum) introgression line, performs better than its parent wheat variety jinan 177 (jn177) with respect to both seedling growth and abiotic stress tolerance. furthermore, the endogenous reactive oxygen species (ros) was also elevated in sr3 relative to jn177. the sr3 allele of sro1, a gene encoding a poly(adp ribose) polymerase (parp) domain protein, was identified ... | 2014 | 24443520 |
| ontogenetic changes in photosynthetic capacity and dry matter production of flag wheat leaves during the grain filling period. | the relationships between photosynthetic capacity and dry matter accumulation during the grain filling period have been studied in flag leaves of triticum aestivum l., cv. kolibri grown in mediterranean field conditions. particular importance has been given to assimilate accumulation in relation to the onset of senescence. during grain filling, the time course of specific dry weight (sdw) was similar in the blade and in the sheath. variations in sdw were about six times larger in the sheath than ... | 1986 | 24443259 |
| in vitro enzyme activities and products of (14)co 2 assimilation in flag leaf and ear parts of wheat (triticum aestivum l.). | activities of key enzymes of calvin cycle and c4 metabolism, rate of (14)co2 fixation in light and dark and the initial products of photosynthetic (14)co2 fixation were determined in flag leaf and different ear parts of wheat viz. pericarp, awn and glumes. compared to the activities of rubp carboxylase and other calvin cycle enzymes viz. nadp-glyceraldehyde-3-phosphate dehydrogenase, nad-glyceraldehyde-3-phosphate dehydrogenase and ribulose-5-phosphate kinase, the levels of pep carboxylase and o ... | 1986 | 24443208 |
| effects of root applications of gibberellic acid on photosynthesis and growth in c3 and c 4 plants. | the effects of root applications of gibberellic acid (ga3) on growth and photosynthesis of 12 species of plants including c3 monocots (triticum aestivum l., wheat, hordeum vulgare l., barley and avena sativa l., oat), c3 dicots (vigna radiata l., mung bean, cucurbita moschata l., squash and capsicum annuum l., pepper), c4 monocots (zea mays l., corn, sorghum vulgare l., sorghum and panicum ramosum l., millet) and c4 dicots (amaranthus retroflexus l., pigweed, kochia scoparis l., kochia and gomph ... | 1985 | 24442874 |
| developmental studies on microbodies in wheat leaves : iii. on the photocontrol of microbody development. | 1. in etiolated wheat (triticum aestivum l.) leaves, the development of the microbody enzymes catalase, hydroxypyruvate reductase, and glycolate oxidase was specifically stimulated by short treatments of the seedlings with red light, although the increases were less than observed after treatment with continuous white light. a comparison of the effects of short red and far-red exposures indicated the involvement of phytochrome. 2. continuous far-red light treatments also enhanced the development ... | 1975 | 24436025 |
| an immunochemical approach to species relationship in triticum and some related species. | an immunological reaction, precipitation in gel, was produced using a rabbit antiserum directed to a specific protein constantly present in bread wheats (t. aestivum, genome aabbdd), but absent in durum wheat (t. durum desf., genome aabb). this protein was isolated in the soluble-protein fraction of bread wheat caryopses by combined biochemical and immunological techniques.the availability of such a specific anti-bread wheat serum made possible the analysis of a series of varieties and species o ... | 1970 | 24435904 |