Publications
| Title | Abstract | Year Filter | PMID(sorted ascending) Filter |
|---|
| comparative analysis of phenolic compound characterization and their biosynthesis genes between two diverse bread wheat (triticum aestivum) varieties differing for chapatti (unleavened flat bread) quality. | phenolic compounds (pcs) affect the bread quality and can also affect the other types of end-use food products such as chapatti (unleavened flat bread), now globally recognized wheat-based food product. the detailed analysis of pcs and their biosynthesis genes in diverse bread wheat (triticum aestivum) varieties differing for chapatti quality have not been studied. in this study, the identification and quantification of pcs using uplc-qtof-ms and/or ms/ms and functional genomics techniques such ... | 2016 | 28018403 |
| a halotolerant bacterium bacillus licheniformis hsw-16 augments induced systemic tolerance to salt stress in wheat plant (triticum aestivum). | certain plant growth promoting bacteria can protect associated plants from harmful effects of salinity. we report the isolation and characterization of 1-aminocyclopropane-1-carboxylic acid (acc) deaminase bacterium bacillus licheniformis hsw-16 capable of ameliorating salt (nacl) stress in wheat plants. the bacterium was isolated from the water of sambhar salt lake, rajasthan, india. the presence of acc deaminase activity was confirmed by enzyme assay and analysis of acds gene, a structural gen ... | 2016 | 28018415 |
| 15n allocation into wheat grains (triticum aestivum l.) influenced by sowing rate and water supply at flowering under a mediterranean climate. | this study examined the effects of a reduced wheat sowing rate (250 vs. 500 grains m-2) on grain yield, uptake of 15n into grains, and the incorporation into gluten and non-gluten proteins of wheat under field conditions in the aegean region. a single 15n application was applied at stem elongation, at flowering, or at both developmental stages. each 15n treatment included either additional water supply, or no additional water supply at flowering. sowing rate (either 250 or 500 grains m-2) had no ... | 2017 | 28024415 |
| transcription factor gene tugtγ-3 is involved in the stripe rust resistance in triticum urartu. | wheat stripe rust, caused by puccinia striiformis west. f. sp. tritici eriks. &henn. (pst), is a serious fungal disease. identification of new genes associate with stripe rust resistance is important for developing disease resistant wheat cultivars and studying the mechanism of disease resistance. trihelix is a plant specific transcription factor family, which is involved in regulation of growth and development, morphogenesis, and response to stresses. so far, no study reports on the relationshi ... | 2016 | 28034841 |
| a flowering locus c homolog is a vernalization-regulated repressor in brachypodium and is cold regulated in wheat. | winter cereals require prolonged cold to transition from vegetative to reproductive development. this process, referred to as vernalization, has been extensively studied in arabidopsis (arabidopsis thaliana). in arabidopsis, a key flowering repressor called flowering locus c (flc) quantitatively controls the vernalization requirement. by contrast, in cereals, the vernalization response is mainly regulated by the vernalization genes, vrn1 and vrn2 here, we characterize oddsoc2, a recently identif ... | 2017 | 28034954 |
| linkage drag constrains the roots of modern wheat. | roots, the hidden half of crop plants, are essential for resource acquisition. however, knowledge about the genetic control of below-ground plant development in wheat, one of the most important small-grain crops in the world, is very limited. the molecular interactions connecting root and shoot development and growth, and thus modulating the plant's demand for water and nutrients along with its ability to access them, are largely unexplored. here, we demonstrate that linkage drag in european bre ... | 2017 | 28036107 |
| solid-stemmed spring wheat cultivars give better androgenic response than hollow-stemmed cultivars in anther culture. | solid-stemmed spring wheat cultivars (triticum aestivum l.) are resistant to the stem sawfly (cephus cinctus nort.) and lodging. anthers of 24 spring wheat cultivars with varying content of pith in the stem were used in the experiment. all were classified into three groups: solid, medium-solid and hollow stems. there was considerable influence of the cultivar on callus formation and green plant regeneration. the highest efficiency of green plant regeneration (24%) was observed for the solid-stem ... | 2016 | 28042231 |
| genome-wide association study for 13 agronomic traits reveals distribution of superior alleles in bread wheat from the yellow and huai valley of china. | bread wheat is a leading cereal crop worldwide. limited amount of superior allele loci restricted the progress of molecular improvement in wheat breeding. here, we revealed new allelic variation distribution for 13 yield-related traits in series of genome-wide association studies (gwas) using the wheat 90k genotyping assay, characterized in 163 bread wheat cultivars. agronomic traits were investigated in 14 environments at three locations over 3 years. after filtering snp data sets, gwas using 2 ... | 2017 | 28055148 |
| transcriptome profiling reveals the genetic basis of alkalinity tolerance in wheat. | soil alkalinity shows significant constraints to crop productivity; however, much less attention has been paid to analyze the effect of soil alkalinity on plant growth and development. shanrong no. 4 (sr4) is an alkalinity tolerant bread wheat cultivar selected from an asymmetric somatic hybridization between the bread wheat cultivar jinan 177 (jn177) and tall wheatgrass (thinopyrum ponticum), which is a suitable material for studying alkalinity tolerant associate genes. | 2017 | 28056779 |
| extraction of sensitive bands for monitoring the winter wheat (triticum aestivum) growth status and yields based on the spectral reflectance. | to extract the sensitive bands for estimating the winter wheat growth status and yields, field experiments were conducted. the crop variables including aboveground biomass (agb), soil and plant analyzer development (spad) value, yield, and canopy spectra were determined. statistical methods of correlation analysis, partial least squares (pls), and stepwise multiple linear regression (smlr) were used to extract sensitive bands and estimate the crop variables with calibration set. the predictive m ... | 2017 | 28060827 |
| nitric oxide-induced synthesis of hydrogen sulfide alleviates osmotic stress in wheat seedlings through sustaining antioxidant enzymes, osmolyte accumulation and cysteine homeostasis. | nitric oxide (no) and hydrogen sulfide (h2s) have been shown to act as signaling molecules in various physiological processes, play significant roles in plant cellular processes, and also mediate responses to both biotic and abiotic stresses in plants. the present investigation was carried out to test the effect of exogenous no on endogenous synthesis of h2s in osmotic-stressed wheat (triticum aestivum l.) seedlings. the results show that application of no to wheat seedlings, suffered from peg80 ... | 2017 | 28062279 |
| cloning and characterization of tatgw-7a gene associated with grain weight in wheat via slaf-seq-bsa. | thousand-grain weight (tgw) of wheat (triticum aestivum l.) contributes significantly to grain yield. in the present study, a candidate gene associated with tgw was identified through specific-locus amplified fragment sequencing (slaf-seq) of dna bulks of recombinant inbred lines (ril) derived from the cross between jing 411 and hongmangchun 21. the gene was located on chromosome 7a, designated as tatgw-7a with a complete genome sequence and an open reading frame (orf). a single nucleotide polym ... | 2016 | 28066462 |
| genetic architecture of flowering phenology in cereals and opportunities for crop improvement. | cereal crop species including bread wheat (triticum aestivum l.), barley (hordeum vulgare l.), rice (oryza sativa l.), and maize (zea mays l.) provide the bulk of human nutrition and agricultural products for industrial use. these four cereals are central to meet future demands of food supply for an increasing world population under a changing climate. a prerequisite for cereal crop production is the transition from vegetative to reproductive and grain-filling phases starting with flower initiat ... | 2016 | 28066466 |
| major crop species show differential balance between root morphological and physiological responses to variable phosphorus supply. | the relationship between root morphological and physiological responses to variable p supply in different plant species is poorly understood. we compared root morphological and physiological responses to p supply in seven crop species (zea mays, triticum aestivum, brassica napus, lupinus albus, glycine max, vicia faba, cicer arietinum) treated with or without 100 mg p kg(-1) in two soils (acidic and calcareous). phosphorus deficiency decreased root length more in fibrous root species (zea mays, ... | 2016 | 28066491 |
| comparative temporal transcriptome profiling of wheat near isogenic line carrying lr57 under compatible and incompatible interactions. | leaf rust caused by puccinia triticina (pt) is one of the most important diseases of bread wheat globally. recent advances in sequencing technologies have provided opportunities to analyse the complete transcriptomes of the host as well as pathogen for studying differential gene expression during infection. pathogen induced differential gene expression was characterized in a near isogenic line carrying leaf rust resistance gene lr57 and susceptible recipient genotype wl711. rna samples were coll ... | 2016 | 28066494 |
| diverging temperature responses of co2 assimilation and plant development explain the overall effect of temperature on biomass accumulation in wheat leaves and grains. | there is a growing consensus in the literature that rising temperatures influence the rate of biomass accumulation by shortening the development of plant organs and the whole plant and by altering rates of respiration and photosynthesis. a model describing the net effects of these processes on biomass would be useful, but would need to reconcile reported differences in the effects of night and day temperature on plant productivity. in this study, the working hypothesis was that the temperature r ... | 2017 | 28069595 |
| differential coupling of gibberellin responses by rht-b1c suppressor alleles and rht-b1b in wheat highlights a unique role for the della n-terminus in dormancy. | during the green revolution, substantial increases in wheat (triticum aestivum) yields were realized, at least in part, through the introduction of the reduced height (rht)-b1b and rht-d1b semi-dwarfing alleles. in contrast to rht-b1b and rht-d1b, the rht-b1c allele is characterized by extreme dwarfism and exceptionally strong dormancy. recently, 35 intragenic rht-b1c suppressor alleles were created in the spring wheat cultivar maringá, and termed overgrowth (ovg) alleles. here, 14 ovg alleles w ... | 2017 | 28073950 |
| classification of 31 korean wheat (triticum aestivum l.) cultivars based on the chemical compositions. | whole grain wheat flour (wgwf) is the entire grain (bran, endosperm, and germ) milled to make flour. the wgwf of 31 korean wheat (triticum aestivum l.) cultivars were analyzed for the chemical compositions, and classified into groups by hierarchical cluster analysis (hcl). the average composition values showed a substantial variation among wheat varieties due to different wheat varieties. wheat cv. shinmichal1 (waxy wheat) had the highest ash, lipid, and total dietary fiber contents of 1.76, 3.1 ... | 2016 | 28078265 |
| cereal immunity against powdery mildews targets rnase-like proteins associated with haustoria (ralph) effectors evolved from a common ancestral gene. | 2017 | 28079937 | |
| occurrence of mycotoxins in wheat grains exposed to fungicides on fusarium head blight control in southern brazil. | mycotoxins occurrence in wheat grains impose risks to human and animal health. the southern brazil has favorable weather conditions for fusarium graminearum infections and consequently for mycotoxins accumulation on grains. the goal of this study was to evaluate the behavior of new wheat commercial genotypes to fusarium head blight (fhb), to control performance of new fungicide formulations and their relationship with mycotoxins concentration in grains. the manly mycotoxin occurrence on wheat gr ... | 2017 | 28080216 |
| local dispersal of puccinia striiformis f. sp. tritici from isolated source lesions. | understanding how disease foci arise from single source lesions has not been well studied. here, single wheat leaves were inoculated with puccinia striiformis f. sp. tritici urediniospores, and all wheat leaves within two intersecting 0.3 × 3.0 m transects were sampled in eight replicates over three years. the lesions observed on each of the top three leaves on plants within 1.5 m from the source lesion were three-dimensionally mapped. the total number of lesions within a 1.5 m radius was estima ... | 2017 | 28082751 |
| bcl-2△21 and ac-devd-cho inhibit death of wheat microspores. | microspore cell death and low green plant production efficiency are an integral obstacle in the development of doubled haploid production in wheat. the aim of the current study was to determine the effect of anti-apoptotic recombinant human b-cell lymphoma-2 (bcl-2△21) and caspase-3-inhibitor (ac-devd-cho) in microspore cell death in bread wheat cultivars ac fielder and ac andrew. induction medium containing bcl-2△21 and ac-devd-cho yielded a significantly higher number of viable microspores, em ... | 2016 | 28082995 |
| the endophytic bacterium serratia sp. pw7 degrades pyrene in wheat. | this research was conducted to isolate polycyclic aromatic hydrocarbon-degrading (pah-degrading) endophytic bacteria and investigate their potential in protecting plants against pah contamination. pyrene-degrading endophytic bacteria were isolated from plants grown in pah-contaminated soil. among these endophytic bacteria, strain pw7 (serratia sp.) isolated from plantago asiatica was selected to investigate the suppression of pyrene accumulation in triticum aestivum l. in the in vitro tests, str ... | 2017 | 28083742 |
| wheat genotypes with combined resistance to wheat curl mite, wheat streak mosaic virus, wheat mosaic virus, and triticum mosaic virus. | the wheat curl mite, aceria tosichella keifer, (wcm) is a global pest of bread wheat that reduces yields significantly. in addition, wcm carries wheat streak mosaic virus (wsmv, family potyviridae, genus tritimovirus), the most significant wheat virus in north america; high plains wheat mosaic virus (hpwmov, genus emaravirus, formerly high plains virus); and triticum mosaic virus (trimv, family potyviridae, genus poacevirus). viruses carried by wcm have reduced wheat yields throughout the u.s. g ... | 2017 | 28087646 |
| overexpression of wheat ferritin gene tafer-5b enhances tolerance to heat stress and other abiotic stresses associated with the ros scavenging. | the yield of wheat (triticum aestivum l.), an important crop, is adversely affected by heat stress in many regions of the world. however, the molecular mechanisms underlying thermotolerance are largely unknown. | 2017 | 28088182 |
| silicon availability modifies nutrient use efficiency and content, c:n:p stoichiometry, and productivity of winter wheat (triticum aestivum l.). | silicon (si) is known as beneficial element for graminaceous plants. the importance of si for plant functioning of cereals was recently emphasized. however, about the effect of si availability on biomass production, grain yield, nutrient status and nutrient use efficiency for wheat (triticum aestivum l.), as one of the most important crop plants worldwide, less is known so far. consequently, we assessed the effect of a broad range of supply levels of amorphous sio2 on wheat plant performance. ou ... | 0 | 28094308 |
| efficient dna-free genome editing of bread wheat using crispr/cas9 ribonucleoprotein complexes. | substantial efforts are being made to optimize the crispr/cas9 system for precision crop breeding. the avoidance of transgene integration and reduction of off-target mutations are the most important targets for optimization. here, we describe an efficient genome editing method for bread wheat using crispr/cas9 ribonucleoproteins (rnps). starting from rnp preparation, the whole protocol takes only seven to nine weeks, with four to five independent mutants produced from 100 immature wheat embryos. ... | 2017 | 28098143 |
| identification and characterization of genes on a single subgenome in the hexaploid wheat (triticum aestivum l.) genotype 'chinese spring'. | gene loss during the formation of hexaploid bread wheat has been repeatedly reported. however, our knowledge on genome-wide analysis of the genes present on a single subgenome (ssg) in bread wheat is still limited. in this study, by analysing the 'chinese spring' chromosome arm shotgun sequences together with high-confidence gene models, we detected 433 genes on a ssg. greater gene loss was observed in a and d subgenomes compared with b subgenome. more than 79% of the orthologs for these ssg gen ... | 2017 | 28098486 |
| two novel vesicle-inducing proteins in plastids 1 genes cloned and characterized in triticum urartu. | vesicle-inducing protein in plastids 1 (vipp1) is thought to play an important role both in thylakoid biogenesis and chloroplast envelope maintenance during stress. vipp1 is conserved in photosynthetic organisms and forms a high homo-oligomer complex structure that may help sustain the membrane integrity of chloroplasts. this study cloned two novel vipp1 genes from triticum urartu and named them tuvipp1 and tuvipp2. both proteins shared high identity with the homologous proteins atvipp1 and crvi ... | 2017 | 28103282 |
| identification of circular rnas and their targets in leaves of triticum aestivum l. under dehydration stress. | circular rnas (circrnas) are a type of newly identified non-coding rnas through high-throughput deep sequencing, which play important roles in mirna function and transcriptional controlling in human, animals, and plants. to date, there is no report in wheat seedlings regarding the circrnas identification and roles in the dehydration stress response. in present study, the total rna was extracted from leaves of wheat seedlings under dehydration-stressed and well-watered conditions, respectively. t ... | 2016 | 28105043 |
| homoeologous recombination-based transfer and molecular cytogenetic mapping of powdery mildew-resistant gene pm57 from aegilops searsii into wheat. | pm57, a novel resistant gene against powdery mildew, was transferred into common wheat from ae. searsi and further mapped to 2s (s) #1l at an interval of fl0.75 to fl0.87. powdery mildew, caused by the fungus blumeria graminis f. sp. tritici, is one of the most severe foliar diseases of wheat causing reduction in grain yield and quality. host plant resistance is the most effective and environmentally safe approach to control this disease. tests of a set of chinese spring-ae. searsii (s(s)s(s), 2 ... | 2017 | 28116459 |
| a high resolution radiation hybrid map of wheat chromosome 4a. | bread wheat has a large and complex allohexaploid genome with low recombination level at chromosome centromeric and peri-centromeric regions. this significantly hampers ordering of markers, contigs of physical maps and sequence scaffolds and impedes obtaining of high-quality reference genome sequence. here we report on the construction of high-density and high-resolution radiation hybrid (rh) map of chromosome 4a supported by high-density chromosome deletion map. a total of 119 endosperm-based r ... | 2016 | 28119729 |
| both male and female malfunction contributes to yield reduction under water stress during meiosis in bread wheat. | water stress during meiosis in wheat is a major constraint to yield especially for the rainfed farming regions. pollen sterility has been proposed as the most sensitive process leading to low seed set (low % of fertile spikelets), but here we show this is not universal, and that the development of female reproductive parts is equally if not more sensitive than male parts in many wheat cultivars. the first experiment examined water stress during meiosis in 46 wheat genotypes. the reduction in see ... | 2016 | 28119733 |
| molecular cloning and characterization of two novel genes from hexaploid wheat that encode double pr-1 domains coupled with a receptor-like protein kinase. | hexaploid wheat (triticum aestivum l.) contains at least 23 tapr-1 genes encoding the group 1 pathogenesis-related (pr-1) proteins as identified in our previous work. here, we report the cloning and characterization of tapr-1-rk1 and tapr-1-rk2, two novel genes closely related to the wheat pr-1 family. the two tapr-1-rk genes are located on homoeologous chromosomes 3d and 3a, respectively, and each contains a large open reading frame (7385 or 6060 bp) that is interrupted by seven introns and sub ... | 2017 | 28120099 |
| impact of wheatgrass (triticum aestivum l.) supplementation on atherogenic lipoproteins and menopausal symptoms in hyperlipidemic south asian women - a randomized controlled study. | the purpose of this study was to evaluate the effect of wheatgrass (triticum aestivum l.) on atherogenic lipoproteins, inflammation, and menopausal symptoms. | 2017 | 28121470 |
| inoculating wheat (triticum aestivum l.) with the endophytic bacterium serratia sp. pw7 to reduce pyrene contamination. | this research was conducted to find an optimal inoculation way for a pyrene-degrading endophytic serratia sp. pw7 to colonize wheat for reducing pyrene contamination. three inoculation ways, which are soaking seeds in inocula (ts), dipping roots of seedlings in inocula (tr), and spraying inocula on leaves of seedlings (tl), were used in this study. inoculated seedlings and non-inoculated seedlings (ck) were respectively cultivated in hoagland solutions supplemented with pyrene in a growth chambe ... | 2017 | 28121475 |
| exploring the relationship between structural and air-water interfacial properties of wheat (triticum aestivum l.) gluten hydrolysates in a food system relevant ph range. | the relationship between structural and foaming properties of two tryptic and two peptic wheat gluten hydrolysates was studied at different ph conditions. the impact of ph on foam stability (fs) of the samples heavily depended on the peptidase used and the degree of hydrolysis reached. surface dilatational moduli were in most, but not all, instances related to fs, implying that, although the formation of a viscoelastic protein hydrolysate film is certainly important, this is not the only phenome ... | 2017 | 28125223 |
| hybrid assembly of the large and highly repetitive genome of aegilops tauschii, a progenitor of bread wheat, with the masurca mega-reads algorithm. | long sequencing reads generated by single-molecule sequencing technology offer the possibility of dramatically improving the contiguity of genome assemblies. the biggest challenge today is that long reads have relatively high error rates, currently around 15%. the high error rates make it difficult to use this data alone, particularly with highly repetitive plant genomes. errors in the raw data can lead to insertion or deletion errors (indels) in the consensus genome sequence, which in turn crea ... | 2017 | 28130360 |
| effects of jasmonic acid signalling on the wheat microbiome differ between body sites. | jasmonic acid (ja) signalling helps plants to defend themselves against necrotrophic pathogens and herbivorous insects and has been shown to influence the root microbiome of arabidopsis thaliana. in this study, we determined whether ja signalling influences the diversity and functioning of the wheat (triticum aestivum) microbiome and whether these effects are specific to particular parts of the plant. activation of the ja pathway was achieved via exogenous application of methyl jasmonate and was ... | 2017 | 28134326 |
| genomic regions associated with tolerance to freezing stress and snow mold in winter wheat. | plants grown through the winter are subject to selective pressures that vary with each year's unique conditions, necessitating tolerance of numerous abiotic and biotic stress factors. the objective of this study was to identify molecular markers in winter wheat (triticum aestivum l.) associated with tolerance of two of these stresses, freezing temperatures and snow mold-a fungal disease complex active under snow cover. a population of 155 f2:5 recombinant inbred lines from a cross between soft w ... | 2017 | 28143950 |
| variation in developmental patterns among elite wheat lines and relationships with yield, yield components and spike fertility. | developmental patterns strongly influence spike fertility and grain number, which are primarily determined during the stem elongation period (i.e. time between terminal spikelet phase and anthesis). it has been proposed that the length of the stem elongation phase may, to an extent, affect grain number; thus it would be beneficial to identify genetic variation for the duration of this phase in elite germplasm. variation in these developmental patterns was studied using 27 elite wheat lines in fo ... | 2016 | 28148999 |
| genome-wide exploration of metal tolerance protein (mtp) genes in common wheat (triticum aestivum): insights into metal homeostasis and biofortification. | metal transport process in plants is a determinant of quality and quantity of the harvest. although it is among the most important of staple crops, knowledge about genes that encode for membrane-bound metal transporters is scarce in wheat. metal tolerance proteins (mtps) are involved in trace metal homeostasis at the sub-cellular level, usually by providing metal efflux out of the cytosol. here, by using various bioinformatics approaches, genes that encode for mtps in the hexaploid wheat genome ... | 2017 | 28150142 |
| free asparagine and sugars profile of cereal species: the potential of cereals for acrylamide formation in foods. | cereals-based food is one of the major source of maillard reaction products in the diet. free amino acids and reducing sugars are considered to be the main precursors in the formation of these heat-induced compounds. in order to determine genetic resources with reduced potential for acrylamide formation, the content of sugars as well as free asparagine were analysed in a total of 30 cultivars of 10 varieties belonging to eight species (triticum aestivum var. lutescens, t. aestivum var. alba, t. ... | 2017 | 28150529 |
| air-borne contact dermatitis in varanasi. | forty-six patients suspected to have air borne contact dermatitis were tested with various plant antigens. thirteen patients turned out to be sensitive to one or more antigens. the plant antigens, used for testing, were parthenium hysterophorus, lantana camara, cynodon dactylon, bougainvaled spectabills, calotropis procera, argimone mexicana, acacia arabica, azadiracha indica, eucalyptus rostrata, saraka indica, triticum vulgare, triticum aestivum, dryopteris filix, nerium indicum, eclipta alba, ... | 2017 | 28150592 |
| manipulation of lignin metabolism by plant densities and its relationship with lodging resistance in wheat. | increasing plant density is one of the most efficient ways of increasing wheat (triticum aestivum l.) grain production. however, overly dense plant populations have an increased risk of lodging. we examined lignin deposition during wheat stem development and the regulatory effects of plant density using the wheat cultivars shannong23 and weimai8. plants were cultivated at densities of 75, 225 and 375 plants per m2 during two growing seasons. our results showed that decreasing plant density enhan ... | 2017 | 28150816 |
| in situ evaluation of crop productivity and bioaccumulation of heavy metals in paddy soils after remediation of metal-contaminated soils. | soils contaminated with heavy metals have been reused for agricultural, building, and industrial uses following remediation. this study assesses plant growth and bioaccumulation of heavy metals following remediation of industrially contaminated soil. the soil was collected from a field site near a nonferrous smelter and was subjected to laboratory- and field-scale studies. soil from the contaminated site was remediated by washing with acid or mixed with soil taken from a distant uncontaminated s ... | 2017 | 28150951 |
| designing a new cropping system for high productivity and sustainable water usage under climate change. | the food supply is being increasingly challenged by climate change and water scarcity. however, incremental changes in traditional cropping systems have achieved only limited success in meeting these multiple challenges. in this study, we applied a systematic approach, using model simulation and data from two groups of field studies conducted in the north china plain, to develop a new cropping system that improves yield and uses water in a sustainable manner. due to significant warming, we ident ... | 2017 | 28155860 |
| qtls associated with agronomic traits in the attila × cdc go spring wheat population evaluated under conventional management. | recently, we investigated the effect of the wheat 90k single nucleotide polymorphic (snp) array and three gene-specific (ppd-d1, vrn-a1 and rht-b1) markers on quantitative trait loci (qtl) detection in a recombinant inbred lines (rils) population derived from a cross between two spring wheat (triticum aestivum l.) cultivars, 'attila' and 'cdc go', and evaluated for eight agronomic traits at three environments under organic management. the objectives of the present study were to investigate the e ... | 2017 | 28158253 |
| stomatal cell wall composition: distinctive structural patterns associated with different phylogenetic groups. | stomatal morphology and function have remained largely conserved throughout ∼400 million years of plant evolution. however, plant cell wall composition has evolved and changed. here stomatal cell wall composition was investigated in different vascular plant groups in attempt to understand their possible effect on stomatal function. | 2017 | 28158449 |
| validation and application of a quantitative real-time pcr assay to detect common wheat adulteration of durum wheat for pasta production. | pasta is the italian product par excellence and it is now popular worldwide. pasta of a superior quality is made with pure durum wheat. in italy, addition of triticum aestivum (common wheat) during manufacturing is not allowed and, without adequate labeling, its presence is considered an adulteration. pcr-related techniques can be employed for the detection of common wheat contaminations. in this work, we demonstrated that a previously published method for the detection of t. aestivum, based on ... | 2017 | 28159297 |
| increasing carbon availability stimulates growth and secondary metabolites via modulation of phytohormones in winter wheat. | phytohormones play important roles in plant acclimation to changes in environmental conditions. however, their role in whole-plant regulation of growth and secondary metabolite production under increasing atmospheric co2 concentrations ([co2]) is uncertain but crucially important for understanding plant responses to abiotic stresses. we grew winter wheat (triticum aestivum) under three [co2] (170, 390, and 680 ppm) over 10 weeks, and measured gas exchange, relative growth rate (rgr), soluble sug ... | 2017 | 28159987 |
| wheat drought-responsive wxpl transcription factors regulate cuticle biosynthesis genes. | the cuticle forms a hydrophobic waxy layer that covers plant organs and provides protection from biotic and abiotic stresses. transcription of genes responsible for cuticle formation is regulated by several types of transcription factors (tfs). five orthologous to wax production (wxp1 and wxp2) genes from medicago truncatula were isolated from a cdna library prepared from flag leaves and spikes of drought tolerant wheat (triticum aestivum, breeding line rac875) and designated tawxp-like (tawxpl) ... | 2017 | 28161858 |
| effects of selenite and selenate application on distribution and transformation of selenium fractions in soil and its bioavailability for wheat (triticum aestivum l.). | this study investigated the effect of selenate and selenite application on the distribution, transformation of selenium (se) fractions in soil, as well as the accumulation and availability of se in each part of wheat plants. a pot experiment was conducted using different concentrations of exogenous selenite or selenate (0.5, 1, 2.5, 5, and 10 mg se kg-1 soil). sequential extraction was used to determine the se fractions in soil, and different models were used to study the behavior of se in soil ... | 2017 | 28161863 |
| mapping a qtl conferring resistance to fusarium head blight on chromosome 1b in winter wheat (triticum aestivum l.). | fusarium head blight (fhb) is one of the most devastating diseases of wheat (triticum aestivum l.), and the development of cultivars with fhb resistance is the most effective way to control the disease. yumechikara is a japanese hard red winter wheat cultivar that shows moderate resistance to fhb with superior bread-making quality. to identify quantitative trait loci (qtls) for fhb resistance in yumechikara, we evaluated doubled haploid lines derived from a cross between yumechikara and a modera ... | 2016 | 28163582 |
| association analysis of resistance to cereal cyst nematodes (heterodera avenae) and root lesion nematodes (pratylenchus neglectus and p. thornei) in cimmyt advanced spring wheat lines for semi-arid conditions. | to identify loci linked to nematode resistance genes, a total of 126 of cimmyt advanced spring wheat lines adapted to semi-arid conditions were screened for resistance to heterodera avenae, pratylenchus neglectus, and p. thornei, of which 107 lines were genotyped with 1,310 dart. association of dart markers with nematode response was analyzed using the general linear model. results showed that 11 markers were associated with resistance to h. avenae (pathotype ha21), 25 markers with resistance to ... | 2016 | 28163585 |
| deacclimation may be crucial for winter survival of cereals under warming climate. | climate warming can change the winter weather patterns. warmer temperatures during winter result in a lower risk of extreme freezing events. on the other hand the predicted warm gaps during winter will decrease their freezing tolerance. both contradict effects will affect winter survival but their resultant effect is unclear. in this paper, we demonstrate that climate warming may result in a decrease in winter survival of plants. a field study of winterhardiness of common wheat and triticale was ... | 0 | 28167038 |
| overuse of phosphorus fertilizer reduces the grain and flour protein contents and zinc bioavailability of winter wheat (triticum aestivum l.). | to supplement human dietary nutrition, it is necessary to evaluate the effects of phosphorus (p) fertilizer application on grain and flour protein contents and especially on the bioavailability of zinc (zn). a field experiment of winter wheat with six p application rates (0, 25, 50, 100, 200, 400 kg/ha) was conducted from 2013 to 2015. the grain yield increased with p application but was not further enhanced when p rates exceeded 50 kg/ha. as p application increased, the protein concentration in ... | 2017 | 28171726 |
| cytogenetic study and stripe rust response of the derivatives from a wheat - thinopyrum intermedium - psathyrostachys huashanica trigeneric hybrid. | to transfer multiple desirable alien genes into common wheat, we previously reported a new trigeneric hybrid synthesized by crossing a wheat - thinopyrum intermedium partial amphiploid with wheat - psathyrostachys huashanica amphiploid. here, the meiotic behavior, chromosome constitution, and stripe rust resistance of f5 derivatives from the wheat - th. intermedium - p. huashanica trigeneric hybrid were studied. cytological analysis indicated the f5 progenies had chromosome numbers of 42-50 (ave ... | 2016 | 28177834 |
| molecular cytogenetics identification of a wheat - leymus mollis double disomic addition line with stripe rust resistance. | leymus mollis (trin.) pilg. (2n = 4x = 28, nsnsxmxm) possesses a number of valuable genes against biotic and abiotic stress, which could be transferred into common wheat background for wheat improvement. in the present study, we determined the karyotypic constitution of a wheat - l. mollis double disomic addition line, m11003-4-4-1-1, selected from the f5 progeny of a stable wheat - l. mollis derivative m39 (2n = 56) × triticum aestivum cultivar 7182, by morphological and cytogenetic identificat ... | 2017 | 28177840 |
| genome-wide identification and analysis of biotic and abiotic stress regulation of small heat shock protein (hsp20) family genes in bread wheat. | small heat shock proteins (shsps)/hsp20 are molecular chaperones that protect plants by preventing protein aggregation during abiotic stress conditions, especially heat stress. due to global climate change, high temperature is emerging as a major threat to wheat productivity. thus, the identification of hsp20 and analysis of hsp transcriptional regulation under different abiotic stresses in wheat would help in understanding the role of these proteins in abiotic stress tolerance. we used sequence ... | 2017 | 28178571 |
| high-throughput mining of e-genome-specific snps for characterizing thinopyrum elongatum introgressions in common wheat. | diploid thinopyrum elongatum (ee, 2n = 2x = 14) and related polyploid species constitute an important gene pool for improving triticeae grain and forage crops. however, the genomic and molecular marker resources are generally poor for these species. to aid the genetic, molecular, breeding and ecological studies involving thinopyrum species, we developed a strategy for mining and validating e-genome-specific snps using th. elongatum and common wheat (triticum aestivum, aabbdd, 2n = 6x = 42) as ex ... | 2017 | 28181736 |
| wheat paleohistory created asymmetrical genomic evolution. | following the triplication reported in brassiceae ∼10million years ago, and at the basis of rosids ∼100million years ago, bias in organization and regulation, known as subgenome dominance, has been reported between the three post-polyploidy compartments referenced to as less fractionated (lf), medium fractionated (mf1) and more fractionated (mf2), that have been proposed to derive from an hexaploidization event involving ancestors of 7-14-21 chromosomes. modern bread wheat experienced similar pa ... | 2017 | 28182971 |
| pesticide stress on plants negatively affects parasitoid fitness through a bypass of their phytophage hosts. | pesticides taken up by plants from the soil or interstitial (pore) water can cascade to higher trophic levels, which are expected to be more affected due to cumulative bottom-up effects. knowledge about the impact of indirect exposure to pesticides on non-target terrestrial trophic chains, however, is still lacking. therefore, we examined the direct and indirect effects of three concentrations of the herbicide 2,6-dichlorobenzonitrile (dcbn) and an insecticide with a similar molecular structure ... | 2017 | 28188590 |
| residual effects of monoammonium phosphate, gypsum and elemental sulfur on cadmium phytoavailability and translocation from soil to wheat in an effluent irrigated field. | cadmium (cd) accumulation in agricultural soils is one of the major threats to food security. the application of inorganic amendments such as mono-ammonium phosphate (map), gypsum and elemental sulfur (s) could alleviate the negative effects of cd in crops. however, their long-term residual effects on decreasing cd uptake in latter crops remain unclear. a field that had previously been applied with treatments including control and 0.2, 0.4 and 0.8% by weight of each map, gypsum and s, and grown ... | 2017 | 28189896 |
| genome-wide characterization of jasmonate-zim domain transcription repressors in wheat (triticum aestivum l.). | the jasmonate-zim domain (jaz) repressor family proteins are jasmonate co-receptors and transcriptional repressor in jasmonic acid (ja) signaling pathway, and they play important roles in regulating the growth and development of plants. recently, more and more researches on jaz gene family are reported in many plants. although the genome sequencing of common wheat (triticum aestivum l.) and its relatives is complete, our knowledge about this gene family remains vacant. | 2017 | 28193162 |
| comparative phosphoproteomic analysis under high-nitrogen fertilizer reveals central phosphoproteins promoting wheat grain starch and protein synthesis. | nitrogen (n) is a macronutrient important for plant growth and development. it also strongly influences starch and protein synthesis, closely related to grain yield and quality. we performed the first comparative phosphoproteomic analysis of developing wheat grains in response to high-n fertilizer. physiological and biochemical analyses showed that application of high-n fertilizer resulted in significant increases in leaf length and area, chlorophyll content, the activity of key enzymes in leave ... | 2017 | 28194157 |
| identifying seedling root architectural traits associated with yield and yield components in wheat. | plant roots growing underground are critical for soil resource acquisition, anchorage and plant-environment interactions. in wheat ( triticum aestivum ), however, the target root traits to improve yield potential still remain largely unknown. this study aimed to identify traits of seedling root system architecture (rsa) associated with yield and yield components in 226 recombinant inbred lines (rils) derived from a cross between the bread wheat triticum aestivum 'forno' (small, wide root system) ... | 2017 | 28200109 |
| novel rht-1 dwarfing genes: tools for wheat breeding and dissecting the function of della proteins. | 2017 | 28201630 | |
| development of intron targeting (it) markers specific for chromosome arm 4vs of haynaldia villosa by chromosome sorting and next-generation sequencing. | haynaldia villosa (l.) schur (syn. dasypyrum villosum l. candargy, 2n = 14, genome vv) is the tertiary gene pool of wheat, and thus a potential resource of genes for wheat improvement. among other, wheat yellow mosaic (wym) resistance gene wss1 and a take-all resistance gene were identified on the short arm of chromosome 4 v (4vs) of h. villosa. we had obtained introgressions on 4vs chromosome arm, with the objective of utilizing the target genes. however, monitoring these introgressions has bee ... | 2017 | 28202009 |
| highly predictive snp markers for efficient selection of the wheat leaf rust resistance gene lr16. | lr16 is a widely deployed leaf rust resistance gene in wheat (triticum aestivum l.) that is highly effective against the north american puccinia triticina population when pyramided with the gene lr34. lr16 is a seedling leaf rust resistance gene conditioning an incompatible interaction with a distinct necrotic ring surrounding the uredinium. lr16 was previously mapped to the telomeric region of the short arm of wheat chromosome 2b. the goals of this study were to develop numerous single nucleoti ... | 2017 | 28202046 |
| bread wheat milling behavior: effects of genetic and environmental factors, and modeling using grain mechanical resistance traits. | genetic (pinb-d1 alleles) and environment (through vitreousness) have important effects on bread wheat milling behavior. skcs optimal values corresponding to soft vitreous or hard mealy grains were defined to obtain the highest total flour yield. near-isogenic lines of bread wheat that differ in hardness, due to distinct puroindoline-b alleles (the wild type, pinb-d1a, or the mutated forms, pinb-d1b or pinb-d1d), were grown in different environments and under two nitrogen fertilization levels, t ... | 2017 | 28204843 |
| triticum aestivum wrab18 functions in plastids and confers abiotic stress tolerance when overexpressed in escherichia coli and nicotiania benthamiana. | wrab18, an aba-inducible protein belongs to the third family of late embryogenesis abundant (lea) proteins which can be induced by different biotic or abiotic stresses. in the present study, wrab18 was cloned from the zhengyin 1 cultivar of triticum aestivum and overexpressed in escherichia coli to explore its effects on the growth of e. coli under different abiotic stresses. results suggested the enhanced exhibition of tolerance of e. coli to these stresses. meanwhile, the wrab18-transgenic tob ... | 2017 | 28207772 |
| influence of nutrient signals and carbon allocation on the expression of phosphate and nitrogen transporter genes in winter wheat (triticum aestivum l.) roots colonized by arbuscular mycorrhizal fungi. | arbuscular mycorrhizal (am) colonization of plant roots causes the down-regulation of expression of phosphate (pi) or nitrogen (n) transporter genes involved in direct nutrient uptake pathways. the mechanism of this effect remains unknown. in the present study, we sought to determine whether the expression of pi or n transporter genes in roots of winter wheat colonized by am fungus responded to (1) pi or n nutrient signals transferred from the am extra-radical hyphae, or (2) carbon allocation ch ... | 2017 | 28207830 |
| wheat landrace genome diversity. | understanding the genomic complexity of bread wheat (triticum aestivum l.) is a cornerstone in the quest to unravel the processes of domestication and the following adaptation of domesticated wheat to a wide variety of environments across the globe. additionally, it is of importance for future improvement of the crop, particularly in the light of climate change. focusing on the adaptation after domestication, a nested association mapping (nam) panel of 60 segregating biparental populations was d ... | 2017 | 28213475 |
| alleviation of water and osmotic stress-induced changes in nitrogen metabolizing enzymes in triticum aestivum l. cultivars by potassium. | present communication reports laboratory and pot experiments conducted to study the influence of water and osmotic stress on nitrogen uptake and metabolism in two wheat (triticum aestivum l) cultivars with and without potassium supplementation. polyethylene glycol 6000-induced osmotic stress/restricted irrigation caused a considerable decline in the activity of nitrate reductase, glutamate synthase, alanine and aspartate aminotransferases, and glutamate dehydrogenase. potassium considerably impr ... | 2017 | 28213650 |
| phytochelatins play key roles for the difference in root arsenic accumulation of different triticum aestivum cultivars in comparison with arsenate uptake kinetics and reduction. | in the previous studies, we have found that arsenic (as) accumulation in roots of bread wheat (triticum aestivum l.) seedlings were significantly different among different wheat cultivars, and as(v) tolerant wheat cultivars have much higher capacities of root as accumulation. however, the reason for the difference remains unclear. four wheat cultivars with high (mm45 and fm8) or low (qf1 and hm29) levels of arsenic (as) accumulation were selected to investigate the relationship between root as(v ... | 2017 | 28222373 |
| identification of interacting proteins of the tafve protein involved in spike development in bread wheat. | wd-40 repeat-containing protein msi4 (fve)/msi4 plays important roles in determining flowering time in arabidopsis. however, its function is unexplored in wheat. in the present study, coimmunoprecipitation and nanoscale liquid chromatography coupled to ms/ms were used to identify fve in wheat (tafve)-interacting or associated proteins. altogether 89 differentially expressed proteins showed the same downregulated expression trends as tafve in wheat line 5660m. among them, 62 proteins were further ... | 2017 | 28225203 |
| molecular and functional characterization of wheat argos genes influencing plant growth and stress tolerance. | auxin regulated gene involved in organ size (argos) is significantly and positively associated with organ size and is involved in abiotic stress responses in plants. however, no studies on wheat argos genes have been reported to date. in the present study, three taargos homoeologous genes were isolated and located on chromosomes 4a, 4b, and 4d of bread wheat, all of which are highly conserved in wheat and its wild relatives. comparisons of gene expression in different tissues demonstrated that t ... | 2017 | 28228774 |
| genetic architecture of seed longevity in bread wheat (triticum aestivum l.). | the deterioration in the quality of ex situ conserved seed over time reflects a combination of both physical and chemical changes. intraspecific variation for longevity is, at least in part, under genetic control. here, the grain of 183 bread wheat accessions maintained under low-temperature storage at the ipk-gatersleben genebank over some decades have been tested for their viability, along with that of fresh grain subjected to two standard artificial ageing procedures. a phenotype-genotype ass ... | 2017 | 28229967 |
| accurate measurement of transgene copy number in crop plants using droplet digital pcr. | genetic transformation is a powerful means for the improvement of crop plants, but requires labor- and resource-intensive methods. an efficient method for identifying single-copy transgene insertion events from a population of independent transgenic lines is desirable. currently, transgene copy number is estimated by either southern blot hybridization analyses or quantitative polymerase chain reaction (qpcr) experiments. southern hybridization is a convincing and reliable method, but it also is ... | 2017 | 28231382 |
| the pangenome of hexaploid bread wheat. | there is an increasing understanding that variation in gene presence-absence plays an important role in the heritability of agronomic traits; however, there have been relatively few studies on variation in gene presence-absence in crop species. hexaploid wheat is one of the most important food crops in the world and intensive breeding has reduced the genetic diversity of elite cultivars. major efforts have produced draft genome assemblies for the cultivar chinese spring, but it is unknown how we ... | 2017 | 28231383 |
| proteome scale identification, classification and structural analysis of iron-binding proteins in bread wheat. | bread wheat is one of the major staple foods of worldwide population and iron plays a significant role in growth and development of the plant. in this report, we are presenting the genome wide identification of iron-binding proteins in bread wheat. the wheat genome derived putative proteome was screened for identification of iron-binding sequence motifs. out of 602 putative iron-binding proteins, 130 were able to produce reliable structural models by homology techniques and further analyzed for ... | 2017 | 28231452 |
| effect of biochar on cadmium bioavailability and uptake in wheat (triticum aestivum l.) grown in a soil with aged contamination. | cadmium (cd) is a well-known and widespread toxic heavy metal while the effects of biochar (bc) on cd bioavailability and toxicity in wheat, especially in soils with aged contamination are largely unknown. in the present study, the effect of rice straw bc on cd immobilization in soil and uptake by wheat in an agricultural contaminated-soil was investigated. different levels of rice straw bc (0%, 1.5%, 3.0% and 5% w/w) were incorporated into the soil and incubated for two weeks. after this, wheat ... | 2017 | 28231504 |
| pyricularia graminis-tritici, a new pyricularia species causing wheat blast. | pyricularia oryzae is a species complex that causes blast disease on more than 50 species of poaceous plants. pyricularia oryzae has a worldwide distribution as a rice pathogen and in the last 30 years emerged as an important wheat pathogen in southern brazil. we conducted phylogenetic analyses using 10 housekeeping loci for 128 isolates of p. oryzae sampled from sympatric populations of wheat, rice, and grasses growing in or near wheat fields. phylogenetic analyses grouped the isolates into thr ... | 2016 | 28232765 |
| excessive nitrogen application dampens antioxidant capacity and grain filling in wheat as revealed by metabolic and physiological analyses. | in this study, field-grown wheat (triticum aestivum l.) was treated with normal (nn) and excessive (ne) levels of fertilizer n. results showed that ne depressed the activity of superoxide dismutase and peroxidase and increased the accumulation of reactive oxygen species (ros) and malondialdehyde. the normalized difference vegetation index (ndvi) was higher under ne at anthesis and medium milk but similar at the early dough stage and significantly lower at the hard dough stage than that under nn. ... | 2017 | 28233811 |
| effect of pre-harvest sprouting on physicochemical properties of starch in wheat. | pre-harvest sprouting (phs) in wheat (triticum aestivum l.) occurs when physiologically mature kernels begin germinating in the spike. the objective of this study was to provide fundamental information on physicochemical changes of starch due to phs in hard red spring (hrs) and hard white spring (hws) wheat. the mean values of α-amylase activity of non-sprouted and sprouted wheat samples were 0.12 cu/g and 2.00 cu/g, respectively. sprouted samples exhibited very low peak and final viscosities co ... | 2014 | 28234313 |
| genome-wide association analysis of agronomic traits in wheat under drought-stressed and non-stressed conditions. | this study determined the population structure and genome-wide marker-trait association of agronomic traits of wheat for drought-tolerance breeding. ninety-three diverse bread wheat genotypes were genotyped using the diversity arrays technology sequencing (dartseq) protocol. the number of days-to-heading (dth), number of days-to-maturity (dtm), plant height (pht), spike length (spl), number of kernels per spike (kps), thousand kernel weight (tkw) and grain yield (gyld), assessed under drought-st ... | 2017 | 28234945 |
| safety of herbal medicine use during chemotherapy in patients with ovarian cancer: a "bedside-to-bench" approach. | in this study, we explored herbal supplements used by patients during chemotherapy and test for herb-drug interactions and response of cancer cells to treatment. patients with gynecological cancer referred to a complementary and integrative medicine (cim) service were asked about their use of herbal medicine during chemotherapy. the leading five clinically relevant herbs selected for cytotoxicity analysis included the following: wheatgrass (triticum aestivum), european mistletoe (viscum album), ... | 2017 | 28238155 |
| bread wheat quality: some physical, chemical and rheological characteristics of syrian and english bread wheat samples. | the relationships between breadmaking quality, kernel properties (physical and chemical), and dough rheology were investigated using flours from six genotypes of syrian wheat lines, comprising both commercially grown cultivars and advanced breeding lines. genotypes were grown in 2008/2009 season in irrigated plots in the eastern part of syria. grain samples were evaluated for vitreousness, test weight, 1000-kernel weight and then milled and tested for protein content, ash, and water content. dou ... | 2012 | 28239087 |
| response of micrornas to cold treatment in the young spikes of common wheat. | micrornas (mirnas) are a class of small non-coding rnas that play important roles in biotic and abiotic stresses by regulating their target genes. for common wheat, spring frost damage frequently occurs, especially when low temperature coincides with plants at early floral organ differentiation, which may result in significant yield loss. up to date, the role of mirnas in wheat response to frost stress is not well understood. | 2017 | 28241738 |
| community structure, species variation, and potential functions of rhizosphere-associated bacteria of different winter wheat (triticum aestivum) cultivars. | minimal tillage management of extensive crops like wheat can provide significant environmental services but can also lead to adverse interactions between soil borne microbes and the host. little is known about the ability of the wheat cultivar to alter the microbial community from a long-term recruitment standpoint, and whether this recruitment is consistent across field sites. to address this, nine winter wheat cultivars were grown for two consecutive seasons on the same plots on two different ... | 2017 | 28243246 |
| residual soil nitrate content and profitability of five cropping systems in northwest iowa. | many communities in the midwestern united states obtain their drinking water from shallow alluvial wells that are vulnerable to contamination by no3-n from the surrounding agricultural landscape. the objective of this research was to assess cropping systems with the potential to produce a reasonable return for farmers while simultaneously reducing the risk of no3-n movement into these shallow aquifers. from 2009 to 2013 we conducted a field experiment in northwest iowa in which we evaluated five ... | 2017 | 28248976 |
| bread wheat progenitors: aegilops tauschii (dd genome) and triticum dicoccoides (aabb genome) reveal differential antioxidative response under water stress. | antioxidant enzymes are known to play a significant role in scavenging reactive oxygen species and maintaining cellular homeostasis. activity of four antioxidant enzymes viz., superoxide dismutase (sod), catalase (cat), ascorbate peroxidase (apx) and glutathione reductase (gr) was examined in the flag leaves of nine aegilops tauschii and three triticum dicoccoides accessions along with two bread wheat cultivars under irrigated and rain-fed conditions. these accessions were shortlisted from a lar ... | 2017 | 28250587 |
| surface properties correlate to the digestibility of hydrothermally pretreated lignocellulosic poaceae biomass feedstocks. | understanding factors that govern lignocellulosic biomass recalcitrance is a prerequisite for designing efficient 2nd generation biorefining processes. however, the reasons and mechanisms responsible for quantitative differences in enzymatic digestibility of various biomass feedstocks in response to hydrothermal pretreatment at different severities are still not sufficiently understood. | 2017 | 28250817 |
| detection and validation of genomic regions associated with resistance to rust diseases in a worldwide hexaploid wheat landrace collection using bayesr and mixed linear model approaches. | bayesr and mlm association mapping approaches in common wheat landraces were used to identify genomic regions conferring resistance to yr, lr, and sr diseases. deployment of rust resistant cultivars is the most economically effective and environmentally friendly strategy to control rust diseases in wheat. however, the highly evolving nature of wheat rust pathogens demands continued identification, characterization, and transfer of new resistance alleles into new varieties to achieve durable rust ... | 2017 | 28255670 |
| identification of pm58 from aegilops tauschii. | a novel powdery mildew-resistance gene, designated pm58, was introgressed directly from aegilops tauschii to hexaploid wheat, mapped to chromosome 2ds, and confirmed to be effective under field conditions. selectable kasp™ markers were developed for mas. powdery mildew caused by blumeria graminis (dc.) f. sp. tritici (bgt) remains a significant threat to wheat (triticum aestivum l.) production. the rapid breakdown of race-specific resistance to bgt reinforces the need to identify novel sources o ... | 2017 | 28255671 |
| functional analysis of a wheat agpase plastidial small subunit with a truncated transit peptide. | adp-glucose pyrophosphorylase (agpase), the key enzyme in starch synthesis, consists of two small subunits and two large subunits with cytosolic and plastidial isoforms. in our previous study, a cdna sequence encoding the plastidial small subunit (taagps1b) of agpase in grains of bread wheat (triticum aestivum l.) was isolated and the protein subunit encoded by this gene was characterized as a truncated transit peptide (about 50% shorter than those of other plant agps1bs). in the present study, ... | 2017 | 28257051 |
| tarar1 is involved in wheat defense against stripe rust pathogen mediated by yrsu. | rar1 is a eukaryotic zinc-binding protein first identified as required for race-specific resistance to powdery mildew in barley. to study the function of tarar1 involvement in wheat (triticum aestivum l.) defense against the infection of stripe rust pathogen puccinia striiformis f. sp. tritici (pst), we identified and cloned three wheat homeologous genes highly similar to the barley hvrar1, designated as tarar1-2a, tarar1-2b, and tarar1-2d. the three tarar1 proteins all contain two conserved cys ... | 2017 | 28261230 |
| quantitative trait locus analysis for spikelet shape-related traits in wild wheat progenitor aegilops tauschii: implications for intraspecific diversification and subspecies differentiation. | wild diploid wheat aegilops tauschii, the d-genome progenitor of common wheat, carries large genetic variation in spikelet and grain morphology. two differentiated subspecies of ae. tauschii, subspecies tauschii and strangulata, have been traditionally defined based on differences in spikelet morphology. here, we first assessed six spikelet shape-related traits among 199 ae. tauschii accessions, and found that the accessions belonging to taul1major lineage produced significantly longer spikes, h ... | 2017 | 28264068 |
| the study of mechanisms of biological activity of copper oxide nanoparticle cuo in the test for seedling roots of triticum vulgare. | the rapid development of nanotechnology raises questions assessment of their impact on living objects. in the present study, we evaluated the impact of nanoparticle (np) cuo at concentrations ranging from 0.8 to 63.5 g/l in the test on wheat seedlings triticum vulgare during 1-72 h. in the viability test (wst-test), cells were isolated from the roots of seedlings t. vulgare, 12 h not observed increase reductase activity after 24 h decreased rate of not more than 19% compared with the control. th ... | 2017 | 28265875 |