Publications
| Title | Abstract | Year Filter | PMID(sorted descending) Filter |
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| microbial community dynamics and response to plant growth-promoting microorganisms in the rhizosphere of four common food crops cultivated in hydroponics. | plant growth promoting microorganisms (pgpms) of the plant root zone microbiome have received limited attention in hydroponic cultivation systems. in the framework of a project aimed at the development of a biological life support system for manned missions in space, we investigated the effects of pgpms on four common food crops (durum and bread wheat, potato and soybean) cultivated in recirculating hydroponic systems for a whole life cycle. each crop was inoculated with a commercial pgpm mixtur ... | 2017 | 27645138 |
| cytological and molecular analysis of wheat - agropyron cristatum translocation lines with 6p chromosome fragments conferring superior agronomic traits in common wheat. | agropyron cristatum (2n = 4x = 28, pppp) is a wild relative of common wheat and confers several desirable agronomic traits to wheat, such as high grain number per spike and enhanced resistance to certain diseases. development of wheat - a. cristatum 6p translocation lines facilitates its utilization in wheat improvement. in this study, 26 wheat - a. cristatum 6p translocation lines were characterized by in situ hybridization (ish) and 6p-specific sequence-tagged-site (sts) markers. these translo ... | 2016 | 27643577 |
| uptake and metabolism of 10:2 fluorotelomer alcohol in soil-earthworm (eisenia fetida) and soil-wheat (triticum aestivum l.) systems. | the behavior of 10:2 fluorotelomer alcohol (10:2 ftoh) in the systems of soil-earthworm (eisenia fetida), soil-wheat (triticum aestivum l.) and soil-earthworm-wheat, including degradation in soil, uptake and metabolism in wheat and earthworms were investigated. several perfluorocarboxylic acids (pfcas) as degradation products of 10:2 ftoh were identified in the soil, plant and earthworms. 10:2 ftoh could be biodegraded to perfluorooctanoate (pfoa), perfluorononanate (pfna) and perfluorodecanoate ... | 2017 | 27639617 |
| quantitative proteomic analysis of wheat seeds during artificial ageing and priming using the isobaric tandem mass tag labeling. | wheat (triticum aestivum l.) is an important crop worldwide. the physiological deterioration of seeds during storage and seed priming is closely associated with germination, and thus contributes to plant growth and subsequent grain yields. in this study, wheat seeds during different stages of artificial ageing (45°c; 50% relative humidity; 98%, 50%, 20%, and 1% germination rates) and priming (hydro-priming treatment) were subjected to proteomics analysis through a proteomic approach based on the ... | 2016 | 27632285 |
| agronomic characteristics related to grain yield and nutrient use efficiency for wheat production in china. | in order to make clear the recent status and trend of wheat (triticum aestivum l.) production in china, datasets from multiple field experiments and published literature were collected to study the agronomic characteristics related to grain yield, fertilizer application and nutrient use efficiency from the year 2000 to 2011. the results showed that the mean grain yield of wheat in 2000-2011 was 5950 kg/ha, while the n, p2o5 and k2o application rates were 172, 102 and 91 kg/ha on average, respect ... | 2016 | 27631468 |
| determination of zinc oxide nanoparticles toxicity in root growth in wheat (triticum aestivum l.) seedlings. | the effect of zinc oxide nanoparticles (znonps) was studied in wheat (triticum aestivum l.) seedlings under in vitro exposure conditions. to avoid precipitation of nanoparticles, the seedlings were grown in half strength semisolid murashige and skoog medium containing 0, 50, 100, 200, 400 and 500 mg l(-1) of znonps. analysis of zinc (zn) content showed significant increase in roots. in vivo detection using fluorescent probe zynpyr-1 indicated accumulation of zn in primary and lateral root tips. ... | 2016 | 27630051 |
| characterization of a wheat breeders' array suitable for high-throughput snp genotyping of global accessions of hexaploid bread wheat (triticum aestivum). | targeted selection and inbreeding have resulted in a lack of genetic diversity in elite hexaploid bread wheat accessions. reduced diversity can be a limiting factor in the breeding of high yielding varieties and crucially can mean reduced resilience in the face of changing climate and resource pressures. recent technological advances have enabled the development of molecular markers for use in the assessment and utilization of genetic diversity in hexaploid wheat. starting with a large collectio ... | 2017 | 27627182 |
| identification and comparative analysis of microrna in wheat (triticum aestivum l.) callus derived from mature and immature embryos during in vitro culture. | feasible and efficient tissue culture plays an important role in plant genetic engineering. wheat (triticum aestivum l.) immature embryos (imes) are preferred for tissue culture to mature embryos (mes) because imes easily generate embryogenic callus, producing large number of plants. the molecular mechanisms of regulation and the biological pathways involved in embryogenic callus formation in wheat remain unclear. here, micrornas (mirnas) potentially involved in embryogenic callus formation and ... | 2016 | 27625667 |
| cenh3 morphogenesis reveals dynamic centromere associations during synaptonemal complex formation and the progression through male meiosis in hexaploid wheat. | during meiosis, centromeres in some species undergo a series of associations, but the processes and progression to homologous pairing is still a matter of debate. here, we aimed to correlate meiotic centromere dynamics and early telomere behaviour to the progression of synaptonemal complex (sc) construction in hexaploid wheat (2n = 42) by triple immunolabelling of cenh3 protein marking functional centromeres, and sc proteins asy1 (unpaired lateral elements) and zyp1 (central elements in synapsed ... | 2017 | 27624968 |
| screening of rhizospheric actinomycetes for various in-vitro and in-vivo plant growth promoting (pgp) traits and for agroactive compounds. | in this study 98 rhizospheric actinomycetes were isolated from different wheat and tomato fields, punjab, pakistan. the isolates were characterized morphologically, biochemically, and genetically and were subjected to a comprehensive in vitro screening for various plant growth promoting (pgp) traits. about 30% of the isolates screened were found to be the promising pgp rhizobacteria (pgprs), which exhibited maximum genetic similarity (up to 98-99%) with different species of the genus streptomyce ... | 2016 | 27621724 |
| temperature sensitivity of soil respiration: synthetic effects of nitrogen and phosphorus fertilization on chinese loess plateau. | nitrogen (n) and phosphorus (p) fertilization has the potential to alter soil respiration temperature sensitivity (q10) by changing soil biochemical and crop physiological process. a four-year field experiment was conducted to determine how q10 responded to these biochemical and physiological changes in rain-fed agro-ecosystems on the semi-arid loess plateau. soil respiration, as well as biotic and abiotic factors were measured in winter wheat (triticum aestivum l.), with three fertilization tre ... | 2017 | 27614858 |
| mobility and plant availability of risk elements in soil after long-term application of farmyard manure. | crop rotation long-term field experiments were established in 1955 and 1956 at three locations in the czech republic (čáslav, ivanovice, and lukavec) differing in their climatic and soil physicochemical properties. the effect of long-term application of farmyard manure and farmyard manure + npk treatments on plant-available, easily mobilizable, potentially mobilizable, and pseudo-total contents of arsenic (as), cadmium (cd), copper (cu), lead (pb), and zinc (zn) contents in soils (in 2013) as we ... | 0 | 27614644 |
| assessing the impact of air pollution on grain yield of winter wheat - a case study in the north china plain. | the major wheat production region of china the north china plain (ncp) is seriously affected by air pollution. in this study, yield of winter wheat (triticum aestivum l.) was analyzed with respect to the potential impact of air pollution index under conditions of optimal crop management in the ncp from 2001 to 2012. results showed that air pollution was especially serious at the early phase of winter wheat growth significantly influencing various weather factors. however, no significant correlat ... | 2016 | 27612146 |
| high transferability of homoeolog-specific markers between bread wheat and newly synthesized hexaploid wheat lines. | bread wheat (triticum aestivum, 2n = 6x = 42, aabbdd) has a complex allohexaploid genome, which makes it difficult to differentiate between the homoeologous sequences and assign them to the chromosome a, b, or d subgenomes. the chromosome-based draft genome sequence of the 'chinese spring' common wheat cultivar enables the large-scale development of polymerase chain reaction (pcr)-based markers specific for homoeologs. based on high-confidence 'chinese spring' genes with known functions, we deve ... | 2016 | 27611704 |
| involvement of dehydrins in 24-epibrassinolide-induced protection of wheat plants against drought stress. | in this study, we performed a comparative analysis of the physiological and biochemical parameters of wheat cultivars with contrasting drought resistance, drought-resistant omskaya 35 (o-35) and less drought-resistant salavat yulaev (syu), during 7-day germination under drought stress simulated by 5% mannitol. in addition, we evaluated the effectiveness of pre-sowing seed treatment with 0.4 μm 24-epibrassinolide (ebr) used to increase the resistance of plants of both cultivars to drought stress. ... | 2016 | 27611241 |
| cloning and characterization of tambd6 homeologues encoding methyl-cpg-binding domain proteins in wheat. | dna methylation is a major epigenetic marker in plants that plays a crucial role in transcriptional and developmental regulation. the dna methylation 'code' is thought to be 'read' by a set of proteins containing methyl-cpg-binding domain (mbd). however, little is known about mbd genes in common wheat (triticum aestivum l.). here, we report the isolation and characterization of tambd6 and its homeologues (tambd6_a, tambd6_b, and tambd6_d) in hexaploid wheat. the cdna was quite different among th ... | 2016 | 27611240 |
| microtubule polymerization functions in hypersensitive response and accumulation of h2o2 in wheat induced by the stripe rust. | the plant cytoskeleton, including microtubules and microfilaments, is one of the important factors in determining the polarity of cell division and growth, as well as the interaction of plants with invading pathogens. in defense responses of wheat against the stripe rust (puccinia striiformis f. sp. tritici) infection, hypersensitive response is the most crucial event to prevent the spread of pathogens. in order to reveal the effect of microtubules on the hypersensitive cell death and h2o2 accum ... | 2016 | 27610380 |
| screening of bread wheat genotypes for drought tolerance using phenotypic and proline analyses. | drought stress is one of the leading constraints to wheat (triticum aestivum l.) production globally. breeding for drought tolerance using novel genetic resources is an important mitigation strategy. this study aimed to determine the level of drought tolerance among diverse bread wheat genotypes using agronomic traits and proline analyses and to establish correlation of proline content and agronomic traits under drought-stress conditions in order to select promising wheat lines for breeding. nin ... | 2016 | 27610116 |
| dwarfing genes rht-b1b and rht-d1b are associated with both type i fhb susceptibility and low anther extrusion in two bread wheat populations. | it has been well documented that dwarfing genes rht-b1b and rht-d1b are associated with type i susceptibility to fusarium head blight (fhb) in wheat; but the underlying mechanism has not been well delineated. anther extrusion (ae) has also been related to type i resistance for initial fhb infection, where high ae renders fhb resistance. in this study, two doubled haploid populations were used to investigate the impact of the two dwarfing genes on fhb resistance and ae, and to elucidate the role ... | 2016 | 27606928 |
| biosynthesis and regulation of wheat amylose and amylopectin from proteomic and phosphoproteomic characterization of granule-binding proteins. | waxy starch has an important influence on the qualities of breads. generally, grain weight and yield in waxy wheat (triticum aestivum l.) are significantly lower than in bread wheat. in this study, we performed the first proteomic and phosphoproteomic analyses of starch granule-binding proteins by comparing the waxy wheat cultivar shannong 119 and the bread wheat cultivar nongda 5181. these results indicate that reduced amylose content does not affect amylopectin synthesis, but it causes signifi ... | 2016 | 27604546 |
| proteomic profiling analysis reveals that glutathione system plays important roles responding to osmotic stress in wheat (triticum aestivum l.) roots. | wheat is one of the most important crops in the world, and osmotic stress has become one of the main factors affecting wheat production. understanding the mechanism of the response of wheat to osmotic stress would be greatly significant. in the present study, isobaric tag for relative and absolute quantification (itraq) was used to analyze the changes of protein expression in the wheat roots exposed to different osmotic stresses. a total of 2,228 expressed proteins, including 81 differentially e ... | 2016 | 27602297 |
| comparison of volatiles profile and contents of trichothecenes group b, ergosterol, and atp of bread wheat, durum wheat, and triticale grain naturally contaminated by mycobiota. | in natural conditions cereals can be infested by pathogenic fungi. these can reduce the grain yield and quality by contamination with mycotoxins which are harmful for plants, animals, and humans. to date, performed studies of the compounds profile have allowed for the distinction of individual species of fungi. the aim of this study was to determine the profile of volatile compounds and trichothecenes of group b, ergosterol, adenosine triphosphate content carried out on a representative sample o ... | 0 | 27597856 |
| proteomic analysis of s-nitrosylated and s-glutathionylated proteins in wheat seedlings with different dehydration tolerances. | a loss of dehydration tolerance in wheat seedlings on the fifth day following imbibition is associated with a disturbance in cellular redox homeostasis, as documented by a shift of the reduced/oxidized glutathione ratio to a more oxidized state and a significant increase in the ratio of protein thiols to the total thiol group content. therefore, the identification and characterization of redox-sensitive proteins are important steps toward understanding the molecular mechanisms of the loss of deh ... | 2016 | 27596017 |
| the response of mesophyll conductance to nitrogen and water availability differs between wheat genotypes. | increased mesophyll conductance (gm) has been suggested as a target for selection for high productivity and high water-use efficiency in crop plants, and genotypic variability in gm has been reported in several important crop species. however, effective selection requires an understanding of how gm varies with growth conditions, to ensure that the ranking of genotypes is consistent across environments. we assessed the genotypic variability in gm and other leaf gas exchange traits, as well as gro ... | 2016 | 27593470 |
| ancestral qtl alleles from wild emmer wheat improve grain yield, biomass and photosynthesis across enviroinments in modern wheat. | wild emmer wheat (triticum turgidum ssp. dicoccoides) is considered a promising source for improving drought resistance in domesticated wheat. nevertheless, wild germplasm has not been widely used in wheat breeding for abiotic stress resilience. in the current study, a near isogenic line nil-7a-b-2, introgressed with a drought-related qtl from wild emmer wheat on chromosome 7a, and its recurrent parent, bread wheat cv. barnir, were investigated under four environments across 2 years-water-limite ... | 2016 | 27593460 |
| combined effects of elevated temperature and co2 concentration on cd and zn accumulation dynamics in triticum aestivum l. | a simulated climate warming experiment was conducted to evaluate the combined effects of elevated temperature and co2 concentration on the bioaccumulation, translocation and subcellular distributions of cd and zn in wheat seedlings (triticum aestivum l. cv. xihan 1.) at dingxi, gansu province, china. the objective was to find evidence that global climate change is affecting the bioaccumulation of cd and zn in t. aestivum l. cv. xihan 1. the results showed that compared to control a, elevated tem ... | 2016 | 27593278 |
| ssh analysis of endosperm transcripts and characterization of heat stress regulated expressed sequence tags in bread wheat. | heat stress is one of the major problems in agriculturally important cereal crops, especially wheat. here, we have constructed a subtracted cdna library from the endosperm of hs-treated (42°c for 2 h) wheat cv. hd2985 by suppression subtractive hybridization (ssh). we identified ~550 recombinant clones ranging from 200 to 500 bp with an average size of 300 bp. sanger's sequencing was performed with 205 positive clones to generate the differentially expressed sequence tags (ests). most of the est ... | 2016 | 27582756 |
| fine mapping of the stem rust resistance gene srta10187. | srta10187 was fine-mapped to a 1.1 cm interval, candidate genes were identified in the region of interest, and molecular markers were developed for marker-assisted selection and sr gene pyramiding. stem rust (puccinia graminis f. sp. tritici, pgt) races belonging to the ug99 (ttksk) race group pose a serious threat to global wheat (triticum aestivum l.) production. to improve pgt host resistance, the ug99-effective resistance gene srta10187 previously identified in aegilops tauschii coss. was in ... | 2016 | 27581540 |
| a wheat cop9 subunit 5-like gene is negatively involved in host response to leaf rust. | the cop9 (constitutive photomorphogenesis 9) signalosome (csn) is a protein complex involved in the ubiquitin proteasome system and a common host target of diverse pathogens in arabidopsis. the known derubylation function of the cop9 complex is carried out by subunit 5 encoded by atcsn5a or atcsn5b in arabidopsis. a single csn5-like gene (designated as tacsn5) with three homeologues was identified on the long arms of wheat (triticum aestivum l.) group 2 chromosomes. in this study, we identified ... | 2017 | 27581057 |
| comparative proteomics illustrates the complexity of drought resistance mechanisms in two wheat (triticum aestivum l.) cultivars under dehydration and rehydration. | drought stress is one of the most adverse environmental constraints to plant growth and productivity. comparative proteomics of drought-tolerant and sensitive wheat genotypes is a strategy to understand the complexity of molecular mechanism of wheat in response to drought. this study attempted to extend findings regarding the potential proteomic dynamics in wheat under drought stress and to enrich the research content of drought tolerance mechanism. | 2016 | 27576435 |
| adaptation to rhizosphere acidification is a necessary prerequisite for wheat (triticum aestivum l.) seedling resistance to ammonium stress. | because soil acidification accompanies ammonium (nh4+) stress, the tolerance of higher plants to ammonium is associated with their adaptation to root medium acidification. however, the underlying mechanisms of this adaptation have not been fully elucidated. the objective of this study was thus to elucidate the effect of rhizosphere ph on nh4+ tolerance in different winter wheat cultivars (triticum aestivum l.). hydroponic experiments were carried out on two wheat cultivars: ak58 (an nh4+-sensiti ... | 2016 | 27569412 |
| mlo-based powdery mildew resistance in hexaploid bread wheat generated by a non-transgenic tilling approach. | wheat is one of the most widely grown cereal crops in the world and is an important food grain source for humans. however, wheat yields can be reduced by many abiotic and biotic stress factors, including powdery mildew disease caused by blumeria graminis f.sp. tritici (bgt). generating resistant varieties is thus a major effort in plant breeding. here, we took advantage of the non-transgenic targeting induced lesions in genomes (tilling) technology to select partial loss-of-function alleles of t ... | 2017 | 27565953 |
| phenotyping at hot spots and tagging of qtls conferring spot blotch resistance in bread wheat. | spot blotch is a major foliar disease of wheat caused by bipolaris sorokiniana in warm and humid environments of the world including south asian countries. in india, it has a larger impact in indo-gangetic plains of the country. therefore, the present study was undertaken to phenotype a mapping population at different hot spots of india and to detect quantitative trait loci (qtl) for resistance to spot blotch in wheat. for this study, 209 single seed descent (ssd) derived f8, f9, f10 recombinant ... | 2016 | 27562852 |
| proteomic comparison reveals the contribution of chloroplast to salt tolerance of a wheat introgression line. | we previously bred a salt tolerant wheat cv. sr3 with bread wheat cv. jn177 as the parent via asymmetric somatic hybridization, and found that the tolerance is partially attributed to the superior photosynthesis capacity. here, we compared the proteomes of two cultivars to unravel the basis of superior photosynthesis capacity. in the maps of two dimensional difference gel electrophoresis (2d-dige), there were 26 differentially expressed proteins (deps), including 18 cultivar-based and 8 stress-r ... | 2016 | 27562633 |
| beta-amylase gene variability in introgressive wheat lines. | variability of the beta-amylase gene in bread wheat, artificial amphidiploids, and derived introgression wheat lines was analyzed. variation in homeologous beta-amylase sequences caused by the presence of mite (miniature inverted-repeat transposable element) and its footprint has been identified in bread wheat. the previously unknown location of mite in triticum urartu and t. aestivum l. beta-amylase gene has been found. these species have a mite sequence in the third intron of beta-amylase, as ... | 2017 | 27562405 |
| genome-wide characterization of microsatellites in triticeae species: abundance, distribution and evolution. | microsatellites are an important constituent of plant genome and distributed across entire genome. in this study, genome-wide analysis of microsatellites in 8 triticeae species and 9 model plants revealed that microsatellite characteristics were similar among the triticeae species. furthermore, genome-wide microsatellite markers were designed in wheat and then used to analyze the evolutionary relationship of wheat and other triticeae species. results displayed that aegilops tauschii was found to ... | 2016 | 27561724 |
| genome-wide association study of drought-related resistance traits in aegilops tauschii. | the d-genome progenitor of wheat (triticum aestivum), aegilops tauschii, possesses numerous genes for resistance to abiotic stresses, including drought. therefore, information on the genetic architecture of a. tauschii can aid the development of drought-resistant wheat varieties. here, we evaluated 13 traits in 373 a. tauschii accessions grown under normal and polyethylene glycol-simulated drought stress conditions and performed a genome-wide association study using 7,185 single nucleotide polym ... | 2017 | 27560650 |
| sources of resistance and susceptibility to septoria tritici blotch of wheat. | an association genetics analysis was conducted to investigate the genetics of resistance to septoria tritici blotch, caused by the fungus zymoseptoria tritici (alternatively mycosphaerella graminicola), in cultivars and breeding lines of wheat (triticum aestivum) used in the uk between 1860 and 2000. the population was tested with diversity array technology (dart) and simple-sequence repeat (ssr or microsatellite) markers. the lines formed a single population with no evidence for subdivision, be ... | 2017 | 27558898 |
| efficient and transgene-free genome editing in wheat through transient expression of crispr/cas9 dna or rna. | editing plant genomes is technically challenging in hard-to-transform plants and usually involves transgenic intermediates, which causes regulatory concerns. here we report two simple and efficient genome-editing methods in which plants are regenerated from callus cells transiently expressing crispr/cas9 introduced as dna or rna. this transient expression-based genome-editing system is highly efficient and specific for producing transgene-free and homozygous wheat mutants in the t0 generation. w ... | 2016 | 27558837 |
| a set of triticum aestivum-aegilops speltoides robertsonian translocation lines. | here we report the production of a set of wheat - aegilops speltoides robertsonian translocations covering all ae. speltoides chromosome arms except the long arm of the homoeologous group 4 chromosome. aegilops speltoides of the poaceae family is the most probable donor of the b and g genomes of polyploid triticum species and also an important source of resistance to diseases and pests of wheat. previously, we reported the production of a complete set of t aestivum-ae. speltoides chromosome addi ... | 2016 | 27558595 |
| two novel ap2/erebp transcription factor genes taparg have pleiotropic functions on plant architecture and yield-related traits in common wheat. | ap2/erebps play significant roles in plant growth and development. a novel, pleiotropic taparg (plant architecture-related gene), a member of the ap2/erebp transcription factor gene family, and its flanking sequences were isolated in wheat (triticum aestivum l.). two taparg genes were identified and named as taparg-2a and taparg-2d. their amino acid sequences were highly similar especially in the functional domains. taparg-2a on chromosome 2a was flanked by markers xwmc63 and xgwm372. taparg-2d ... | 2016 | 27555860 |
| factors affecting the radiosensitivity of hexaploid wheat to γ-irradiation: radiosensitivity of hexaploid wheat (triticum aestivum l.) [corrected]. | understanding the radiosensitivity of plants, an important factor in crop mutation breeding programs, requires a thorough investigation of the factors that contribute to this trait. in this study, we used the highly radiosensitive wheat (triticum aestivum l.) variety hy1 and j411, a γ-irradiation-insensitive control, which were screened from a natural population, to examine the factors affecting radiosensitivity, including free radical content and total antioxidant capacity, as well as the expre ... | 2016 | 27551965 |
| reconciling the evolutionary origin of bread wheat (triticum aestivum). | the origin of bread wheat (triticum aestivum; aabbdd) has been a subject of controversy and of intense debate in the scientific community over the last few decades. in 2015, three articles published in new phytologist discussed the origin of hexaploid bread wheat (aabbdd) from the diploid progenitors triticum urartu (aa), a relative of aegilops speltoides (bb) and triticum tauschii (dd). access to new genomic resources since 2013 has offered the opportunity to gain novel insights into the paleoh ... | 2017 | 27551821 |
| high-throughput sequencing reveals single nucleotide variants in longer-kernel bread wheat. | the transcriptomes of bread wheat yunong 201 and its ethyl methanesulfonate derivative yunong 3114 were obtained by next-sequencing technology. single nucleotide variants (snvs) in the wheat strains were explored and compared. a total of 5907 and 6287 non-synonymous snvs were acquired for yunong 201 and 3114, respectively. a total of 4021 genes with snvs were obtained. the genes that underwent non-synonymous snvs were significantly involved in atp binding, protein phosphorylation, and cellular p ... | 2016 | 27551288 |
| genotypically identifying wheat mesophyll conductance regulation under progressive drought stress. | photosynthesis limitation by co2 flow constraints from sub-stomatal cavities to carboxylation sites in chloroplasts under drought stress conditions is, at least in some plant species or crops not fully understood, yet. leaf mesophyll conductance for co2 (gm) may considerably affect both photosynthesis and water use efficiency (wue) in plants under drought conditions. the aim of our study was to detect the responses of gm in leaves of four winter wheat (triticum aestivum l.) genotypes from differ ... | 2016 | 27551283 |
| genome-wide identification, phylogeny and expressional profiles of mitogen activated protein kinase kinase kinase (mapkkk) gene family in bread wheat (triticum aestivum l.). | mitogen-activated protein kinase kinase kinases (mapkkks) are the important components of mapk cascades, which play the crucial role in plant growth and development as well as in response to diverse stresses. although this family has been systematically studied in many plant species, little is known about mapkkk genes in wheat (triticum aestivum l.), especially those involved in the regulatory network of stress processes. | 2016 | 27549916 |
| the expression of tarca2-α gene associated with net photosynthesis rate, biomass and grain yield in bread wheat (triticum aestivum l.) under field conditions. | improvement in activation of rubisco by rubisco activase can potentially enhance co2 assimilation and photosynthetic efficiency in plants. the three homoeologous copies of tarca2-α were identified on chromosomes 4al, 4bs and 4ds (tarca2-α-4al, tarca2-α-4bs, and tarca2-α-4ds) in bread wheat. expression patterns of the three copies at heading (z55), anthesis (z67) and grain-filling (z73) stages were investigated through qrt-pcr analyses in a panel of 59 bread wheat genotypes and their effects on n ... | 2016 | 27548477 |
| modelling and genetic dissection of staygreen under heat stress. | staygreen traits are associated with heat tolerance in bread wheat. qtl for staygreen and related traits were identified across the genome co-located with agronomic and physiological traits associated to plant performance under heat stress. plant chlorophyll retention-staygreen-is considered a valuable trait under heat stress. five experiments with the seri/babax wheat mapping population were sown in mexico under hot-irrigated environments. normalized difference vegetation index (ndvi) during pl ... | 2016 | 27545985 |
| differential effects of ozone on photosynthesis of winter wheat among cultivars depend on antioxidative enzymes rather than stomatal conductance. | five modern cultivars of winter wheat (triticum aestivum l.): yangmai16 (y16), yangmai 15 (y15), yangfumai 2 (y2), yannong 19 (y19) and jiaxing 002 (j2) were investigated to determine the impacts of elevated ozone concentration (e-o3) on photosynthesis-related parameters and the antioxidant system under fully open-air field conditions in china. the plants were exposed to e-o3 at 1.5 times the ambient ozone concentration (a-o3) from the initiation of tillering to final harvest. pigments, gas exch ... | 2016 | 27543944 |
| a r2r3-myb transcription factor gene in common wheat (namely tamybsm1) involved in enhancement of drought tolerance in transgenic arabidopsis. | we isolated the tamybsm1 genes, encoding r2r3-type myb proteins in common wheat, aimed to uncover the possible molecular mechanisms related to drought response. the tamybsm1 genes, tamybsm1-a, tamybsm1-b and tamybsm1-d, were isolated and analyzed from the common wheat cultivar shimai 15. their expression patterns under peg 6000 and mannitol were monitored by semi-quantitative rt-pcr and β-glucuronidase (gus) assay. the function of tamybsm1-d under drought stress in transgenic arabidopsis plants ... | 2016 | 27542160 |
| wheat bhlh-type transcription factor gene tabhlh1 is crucial in mediating osmotic stresses tolerance through modulating largely the aba-associated pathway. | wheat bhlh family gene tabhlh1 is responsive to drought and salt stresses, and it acts as one crucial regulator in mediating tolerance to aforementioned stresses largely through an aba-associated pathway. osmotic stresses are adverse factors for plant growth and crop productivity. in this study, we characterized tabhlh1, a gene encoding wheat bhlh-type transcription factor (tf) protein, in mediating plant adaptation to osmotic stresses. tabhlh1 protein contains a conserved basic-helix-loop-helix ... | 2016 | 27541276 |
| the use of snp hybridisation arrays and cytogenetics to characterise deletions of chromosome 4b in hexaploid wheat (triticum aestivum l.). | many deletions of the wheat della ( rht - b1 ) gene and its flanking regions were isolated in a simple phenotypic screen, and characterised by modified analysis of snp hybridisation data and cytogenetics. in a dwarf wheat suppressor screen, many tall 'revertants' were isolated following mutagenesis of a severely dwarfed (rht-b1c) hexaploid wheat. about 150 lines were identified as putative deletions of rht-b1c, based on the pcr analysis. southern blot hybridisation established that most of them ... | 2016 | 27539013 |
| socio-economic characterisation of date palm (phoenix dactylifera l.) growers and date value chains in pakistan. | increasing food production to feed its rapidly growing population is a major policy goal of pakistan. the production of traditional staples such as rice (oryza sativa l.) and bread wheat (triticum aestivum l.) has been intensified in many regions, but not in remote, drought-ridden areas. in these arid, marginal environments dates and their by-products are an option to complement staples given their high nutritive value and storability. to fill knowledge gaps about the role of date palm in the ho ... | 2016 | 27536506 |
| genome-wide linkage mapping of qtl for black point reaction in bread wheat (triticum aestivum l.). | nine qtl for black point resistance in wheat were identified using a ril population derived from a linmai 2/zhong 892 cross and 90k snp assay. black point, discoloration of the embryo end of the grain, downgrades wheat grain quality leading to significant economic losses to the wheat industry. the availability of molecular markers will accelerate improvement of black point resistance in wheat breeding. the aims of this study were to identify quantitative trait loci (qtl) for black point resistan ... | 2016 | 27531362 |
| three zinc-finger rna-binding proteins in cabbage (brassica rapa) play diverse roles in seed germination and plant growth under normal and abiotic stress conditions. | despite the increasing understanding of the stress-responsive roles of zinc-finger rna-binding proteins (rzs) in several plant species, such as arabidopsis thaliana, wheat (triticum aestivum) and rice (oryza sativa), the functions of rzs in cabbage (brassica rapa) have not yet been elucidated. in this study, the functional roles of the three rz family members present in the cabbage genome, designated as brrz1, brrz2 and brrz3, were investigated in transgenic arabidopsis under normal and environm ... | 2017 | 27528428 |
| molecular evolution of wcor15 gene enhanced our understanding of the origin of a, b and d genomes in triticum aestivum. | the allohexaploid bread wheat originally derived from three closely related species with a, b and d genome. although numerous studies were performed to elucidate its origin and phylogeny, no consensus conclusion has reached. in this study, we cloned and sequenced the genes wcor15-2a, wcor15-2b and wcor15-2d in 23 diploid, 10 tetraploid and 106 hexaploid wheat varieties and analyzed their molecular evolution to reveal the origin of the a, b and d genome in triticum aestivum. comparative analyses ... | 2016 | 27526862 |
| metal ion binding properties of triticum aestivum ec-1 metallothionein: evidence supporting two separate metal thiolate clusters. | 2007 | 27519017 | |
| qtls associated with agronomic traits in the cutler × ac barrie spring wheat mapping population using single nucleotide polymorphic markers. | we recently reported three earliness per se quantitative trait loci (qtl) associated with flowering and maturity in a recombinant inbred lines (rils) population derived from a cross between the spring wheat (triticum aestivum l.) cultivars 'cutler' and 'ac barrie' using 488 microsatellite and diversity arrays technology (dart) markers. here, we present qtls associated with flowering time, maturity, plant height, and grain yield using high density single nucleotide polymorphic (snp) markers in th ... | 2016 | 27513976 |
| higher ammonium transamination capacity can alleviate glutamate inhibition on winter wheat (triticum aestivum l.) root growth under high ammonium stress. | most of the studies about nh4+ stress mechanism simply address the effects of free nh4+, failing to recognize the changed nitrogen assimilation products. the objective of this study was to elucidate the effects of glutamate on root growth under high ammonium (nh4+) conditions in winter wheat (triticum aestivum l.). hydroponic experiments were conducted using two wheat cultivars, ak58 (nh4+-sensitive) and xumai25 (nh4+-tolerant) with either 5 mm nh4+ nitrogen (an) as stress treatment or 5 mm nitr ... | 2016 | 27512992 |
| optical nano-mapping and analysis of plant genomes. | application of optical mapping based on bionano genomics irys(®) technology ( http://www.bionanogenomics.com/ ) is growing rapidly since its debut in november 2012. the technology can be used to facilitate genome sequence assembly and analysis of genome structural variations. we describe here the detailed protocol that we used to generate a whole genome bionano map for aegilops tauschii, the d genome progenitor of hexaploid wheat (triticum aestivum). we are using the whole genome bionano map to ... | 2016 | 27511170 |
| manipulation of homologous and homoeologous chromosome recombination in wheat. | given the sizes of the three genomes in wheat (a, b, and d) and a limited number of chiasmata formed in meiosis, recombination by crossing-over is a very rare event. it is also restricted to very similar homologues; the pairing homoeologous (ph) system of wheat prevents differentiated chromosomes from pairing and crossing-over. this chapter presents an overview and describes several systems by which the frequency or density of crossing-over can be increased, both in homologues and homoeologues. ... | 2016 | 27511168 |
| c-banding of plant chromosomes. | c-banding is used to differentially stain metaphase chromosomes in organisms having appreciable amounts of constitutive heterochromatin. its primary benefits are that it is an inexpensive and a relatively fast method of identifying individual chromosomes and morphological or karyotypic variation, including large chromosomal rearrangements and aneuploidies. we currently employ this technique with considerable effect in genome analysis of oat (avena sativa) and related grass species, though it has ... | 2016 | 27511162 |
| the in silico identification and characterization of a bread wheat/triticum militinae introgression line. | the capacity of the bread wheat (triticum aestivum) genome to tolerate introgression from related genomes can be exploited for wheat improvement. a resistance to powdery mildew expressed by a derivative of the cross-bread wheat cv. tähti × t. militinae (tm) is known to be due to the incorporation of a tm segment into the long arm of chromosome 4a. here, a newly developed in silico method termed rearrangement identification and characterization (rich) has been applied to characterize the introgre ... | 2017 | 27510270 |
| genetic characterization of cysteine-rich type-b avenin-like protein coding genes in common wheat. | the wheat avenin-like proteins (alp) are considered atypical gluten constituents and have shown positive effects on dough properties revealed using a transgenic approach. however, to date the genetic architecture of alp genes is unclear, making it impossible to be utilized in wheat breeding. in the current study, three genes of type-b alps were identified and mapped to chromosomes 7as, 4al and 7ds. the coding gene sequence of both taalp-7a and taalp-7d was 855 bp long, encoding two identical hom ... | 2016 | 27503660 |
| paenibacillus hispanicus sp. nov. isolated from triticum aestivum roots. | a bacterial strain designated amtae16t was isolated from a root of wheat in spain. phylogenetic analyses based on 16s rrna gene sequences placed the isolate in the genus paenibacilluswith its closest relative being paenibacillus daejeonensis ap-20t with 99.0 % 16s rrna gene sequence similarity. dna-dna hybridization studies showed a mean of 30 % dnadna relatedness between strain amtae16t and the type strain of p. daejeonensis. the isolate was a gram-stainvariable, motile and sporulating rod. cat ... | 2016 | 27503428 |
| bioinformatic prediction of transcription factor binding sites at promoter regions of genes for photoperiod and vernalization responses in model and temperate cereal plants. | many genes involved in responses to photoperiod and vernalization have been characterized or predicted in arabidopsis (arabidopsis thaliana), brachypodium (brachypodium distachyon), wheat (triticum aestivum) and barley (hordeum vulgare). however, little is known about the transcription regulation of these genes, especially in the large, complex genomes of wheat and barley. | 2016 | 27503086 |
| interactions between glu-1 and glu-3 loci and associations of selected molecular markers with quality traits in winter wheat (triticum aestivum l.) dh lines. | the quality of wheat depends on a large complex of genes and environmental factors. the objective of this study was to identify quantitative trait loci controlling technological quality traits and their stability across environments, and to assess the impact of interaction between alleles at loci glu-1 and glu-3 on grain quality. dh lines were evaluated in field experiments over a period of 4 years, and genotyped using simple sequence repeat markers. lines were analysed for grain yield (gy), tho ... | 2017 | 27502940 |
| fine mapping and genetic association analysis of net2, the causative d-genome locus of low temperature-induced hybrid necrosis in interspecific crosses between tetraploid wheat and aegilops tauschii. | hybrid necrosis has been observed in many interspecific hybrids from crosses between tetraploid wheat and the wheat d-genome donor aegilops tauschii. type ii necrosis is a kind of hybrid incompatibility that is specifically characterized by low-temperature induction and growth suppression. two complementary genes, net1 on the ab genome and net2 on the d genome, putatively control type ii necrosis in abd triploids and synthetic hexaploid wheat. toward map-based cloning of net2, a fine map around ... | 2016 | 27502693 |
| metabolic acclimation of tetraploid and hexaploid wheats by cold stress-induced carbohydrate accumulation. | metabolic acclimation of plants to cold stress may be of great importance for their growth, survival and crop productivity. the accumulation carbohydrates associated with cold tolerance (ct), transcript levels for genes encoding related enzymes along with damage indices were comparatively studied in three genotypes of bread and durum wheats differing in sensitivity. two (norstar, bread wheat and gerdish, durum wheat) were tolerant and the other, srn (durum wheat), was susceptible to cold stress. ... | 2016 | 27500556 |
| antifungal and phytotoxic activity of essential oil from root of senecio amplexicaulis kunth. (asteraceae) growing wild in high altitude-himalayan region. | this work was aimed to evaluate the essential oil from root of medicinally important plant senecio amplexicaulis for chemical composition, antifungal and phytotoxic activity. the chemical composition analysed by gc/gc-ms showed the presence of monoterpene hydrocarbons in high percentage with marker compounds as α-phellandrene (48.57%), o-cymene (16.80%) and β-ocimene (7.61%). the essential oil exhibited significant antifungal activity against five phytopathogenic fungi, sclerotium rolfsii, macro ... | 2016 | 27498832 |
| cn-wheat, a functional-structural model of carbon and nitrogen metabolism in wheat culms after anthesis. ii. model evaluation. | simulating resource allocation in crops requires an integrated view of plant functioning and the formalization of interactions between carbon (c) and nitrogen (n) metabolisms. this study evaluates the functional-structural model cn-wheat developed for winter wheat after anthesis. | 2016 | 27497243 |
| cn-wheat, a functional-structural model of carbon and nitrogen metabolism in wheat culms after anthesis. i. model description. | improving crops requires better linking of traits and metabolic processes to whole plant performance. in this paper, we present cn-wheat, a comprehensive and mechanistic model of carbon (c) and nitrogen (n) metabolism within wheat culms after anthesis. | 2016 | 27497242 |
| expression analysis and promoter methylation under osmotic and salinity stress of tagapc1 in wheat (triticum aestivum l). | cytosolic glyceraldehyde-3-phosphate dehydrogenase (gapc) catalyzes a key reaction in glycolysis and encoded by a multi-gene family which showed instability expression under abiotic stress. dna methylation is an epigenetic modification that plays an important role in gene regulation in response to abiotic stress. the comprehension of dna methylation at promoter region of tagapc1 can provide insights into the transcription regulation mechanisms of plant genes under abiotic stress. in this study, ... | 2017 | 27488925 |
| genome-wide qtl mapping for wheat processing quality parameters in a gaocheng 8901/zhoumai 16 recombinant inbred line population. | dough rheological and starch pasting properties play an important role in determining processing quality in bread wheat (triticum aestivum l.). in the present study, a recombinant inbred line (ril) population derived from a gaocheng 8901/zhoumai 16 cross grown in three environments was used to identify quantitative trait loci (qtls) for dough rheological and starch pasting properties evaluated by mixograph, rapid visco-analyzer (rva), and mixolab parameters using the wheat 90 and 660 k single nu ... | 2016 | 27486464 |
| microbiome networks: a systems framework for identifying candidate microbial assemblages for disease management. | network models of soil and plant microbiomes provide new opportunities for enhancing disease management, but also challenges for interpretation. we present a framework for interpreting microbiome networks, illustrating how observed network structures can be used to generate testable hypotheses about candidate microbes affecting plant health. the framework includes four types of network analyses. "general network analysis" identifies candidate taxa for maintaining an existing microbial community. ... | 2016 | 27482625 |
| the characteristics and functions of a miniature inverted-repeat transposable element tamite81 in the 5' utr of tachs7bl from triticum aestivum. | miniature inverted-repeat transposable elements (mites) are truncated derivatives of autonomous dna transposons, and are dispersed abundantly in eukaryotic and prokaryotic genomes. in this article, a mite, tamite81, was isolated from the 5' untranslated region (utr) of tachs7bl, chalcone synthase (chs) catalyzing the first committed step of anthocyanin biosynthesis, in the wheat cultivar 'opata' with white grain. tamite81 was only 81 nucleotides, including a terminal inverted repeat with 39 nucl ... | 2016 | 27481288 |
| evidence for an early origin of vernalization responsiveness in temperate pooideae grasses. | the ability of plants to match their reproductive output with favorable environmental conditions has major consequences both for lifetime fitness and geographic patterns of diversity. in temperate ecosystems, some plant species have evolved the ability to use winter nonfreezing cold (vernalization) as a cue to ready them for spring flowering. however, it is unknown how important the evolution of vernalization responsiveness has been for the colonization and subsequent diversification of taxa wit ... | 2016 | 27474116 |
| functional and structural insights into novel dreb1a transcription factors in common wheat (triticum aestivum l.): a molecular modeling approach. | triticum aestivum l. known as common wheat is one of the most important cereal crops feeding a large and growing population. various environmental stress factors including drought, high salinity and heat etc. adversely affect wheat production in a significant manner. dehydration-responsive element-binding (dreb1a) factors, a class of transcription factors (tf) play an important role in combating drought stress. it is known that dreb1a specifically interacts with the dehydration responsive elemen ... | 2016 | 27471160 |
| silicon nanoparticles more effectively alleviated uv-b stress than silicon in wheat (triticum aestivum) seedlings. | the role of silicon (si) in alleviating biotic as well as abiotic stresses is well known. however, the potential of silicon nanoparticle (sinp) in regulating abiotic stress and associated mechanisms have not yet been explored. therefore, in the present study hydroponic experiments were conducted to investigate whether si or sinp are more effective in the regulation of uv-b stress. uv-b (ambient and enhanced) radiation caused adverse effect on growth of wheat (triticum aestivum) seedlings, which ... | 2017 | 27470120 |
| cytomolecular discrimination of the am chromosomes of triticum monococcum and the a chromosomes of triticum aestivum using microsatellite dna repeats. | the cytomolecular discrimination of the am- and a-genome chromosomes facilitates the selection of wheat-triticum monococcum introgression lines. fluorescence in situ hybridisation (fish) with the commonly used dna probes afa family, 18s rdna and psc119.2 showed that the more complex hybridisation pattern obtained in t. monococcum relative to bread wheat made it possible to differentiate the am and a chromosomes within homoeologous groups 1, 4 and 5. in order to provide additional chromosomal lan ... | 2017 | 27468932 |
| structural features of reconstituted wheat wax films. | cuticular waxes are essential for the well-being of all plants, from controlling the transport of water and nutrients across the plant surface to protecting them against external environmental attacks. despite their significance, our current understanding regarding the structure and function of the wax film is limited. in this work, we have formed representative reconstituted wax film models of controlled thicknesses that facilitated an ex vivo study of plant cuticular wax film properties by neu ... | 2016 | 27466439 |
| identification of putative rubisco activase (tarca1)-the catalytic chaperone regulating carbon assimilatory pathway in wheat (triticum aestivum) under the heat stress. | rubisco activase (rca) is a catalytic chaperone involved in modulating the activity of rubisco (key enzyme of photosynthetic pathway). here, we identified eight novel transcripts from wheat through data mining predicted to be rca and cloned a transcript of 1.4 kb from cv. hd2985, named as tarca1 (genbank acc. no. kc776912). single copy number of tarca1 was observed in wheat genome. expression analysis in diverse wheat genotypes (hd2985, halna, pbw621, and hd2329) showed very high relative expres ... | 2016 | 27462325 |
| stem rust resistance in a geographically diverse collection of spring wheat lines collected from across africa. | following the emergence of the ug99 lineage of puccinia graminis f. sp. tritici (pgt) a collective international effort has been undertaken to identify new sources of wheat stem rust resistance effective against these races. analyses were undertaken in a collection of wheat genotypes gathered from across africa to identify stem rust resistance effective against the pgt races found in eastern and southern africa. the african wheat collection consisted of historic genotypes collected in kenya, sou ... | 2016 | 27462322 |
| fast and efficient screening for wheat loss-of-gene mutants using multiplexed melt curve analyses. | this study describes a new approach in the screening for loss-of-gene mutants in heavy ion bombardment (hib) mutant populations of genetically complex organisms such as hexaploid bread wheat using multiplexed single-color (sybr green) melt curve analyses. the assay was set up for three target genes to test its validity and applicability. for each gene, three genome-specific primer pairs (one for each genome) with distinct melt curves were developed and multiplexed. this allowed screening for "si ... | 2016 | 27459606 |
| transferring desirable genes from agropyron cristatum 7p chromosome into common wheat. | wheat-agropyron cristatum 7p disomic addition line ⅱ-5-1, derived from the distant hybridization between a. cristatum (2n = 4x = 28, pppp) and the common wheat cv. fukuhokomugi (fukuho), displays numerous desirable agronomic traits, including enhanced thousand-grain weight, smaller flag leaf, and enhanced tolerance to drought. in order to transfer these traits into common wheat, ⅱ-5-1 was induced by 60co-γ ray, leading to the creation of 18 translocation lines and three deletion lines. genomic i ... | 2016 | 27459347 |
| genetic basis for variation in wheat grain yield in response to varying nitrogen application. | nitrogen (n) is a major nutrient needed to attain optimal grain yield (gy) in all environments. nitrogen fertilisers represent a significant production cost, in both monetary and environmental terms. developing genotypes capable of taking up n early during development while limiting biomass production after establishment and showing high n-use efficiency (nue) would be economically beneficial. genetic variation in nue has been shown previously. here we describe the genetic characterisation of nu ... | 2016 | 27459317 |
| systematic investigation of flowering locus t-like poaceae gene families identifies the short-day expressed flowering pathway gene, taft3 in wheat (triticum aestivum l.). | to date, a small number of major flowering time loci have been identified in the related triticeae crops, bread wheat (triticum aestivum), durum wheat (t. durum), and barley (hordeum vulgare). natural genetic variants at these loci result in major phenotypic changes which have adapted crops to the novel environments encountered during the spread of agriculture. the polyploid nature of bread and durum wheat means that major flowering time loci in which recessive alleles confer adaptive advantage ... | 2016 | 27458461 |
| influence of high-molecular-weight glutenin subunit composition at glu-a1 and glu-d1 loci on secondary and micro structures of gluten in wheat (triticum aestivum l.). | as one of critical gluten proteins, high-molecular-weight glutenin subunits (hmw-gs) mainly affect the rheological behaviour of wheat dough. the influence of hmw-gs variations at the glu-a1 and glu-d1 loci on both secondary and micro structures of gluten and rheological properties of wheat dough was investigated in this study. results showed that the amide i bands of the three near-isogenic lines (nils) shifted slightly, but the secondary structures differed significantly. the micro structure of ... | 2016 | 27451241 |
| amino acid profiles and digestible indispensable amino acid scores of proteins from the prioritized key foods in bangladesh. | concentrations of standard amino acids were determined in the composite samples (representing 30 agro-ecological zones of bangladesh) of six prioritized key dietary protein sources: oryza sativa (rice), triticum aestivum (wheat flour), lens culinaris (lentils), pangusius pangusius (pangas), labeo rohita (rohu) and oreochromis mossambicus (tilapia). digestible indispensable amino acid scores (diaas) was calculated using published data on amino acids' digestibility to evaluate the protein quality ... | 0 | 27451158 |
| new insights into wheat toxicity: breeding did not seem to contribute to a prevalence of potential celiac disease's immunostimulatory epitopes. | gluten proteins, namely gliadins, are the primary trigger of the abnormal immune response in celiac disease. it has been hypothesised that modern wheat breeding practices may have contributed to the increase in celiac disease prevalence during the latter half of the 20th century. our results do not support this hypothesis as triticum aestivum spp. vulgare landraces, which were not subjected to breeding practices, presented higher amounts of potential celiac disease's immunostimulatory epitopes w ... | 2016 | 27451149 |
| nitrogen nutrition improves the potential of wheat (triticum aestivum l.) to alleviate the effects of drought stress during vegetative growth periods. | efficient nitrogen (n) nutrition has the potential to alleviate drought stress in crops by maintaining metabolic activities even at low tissue water potential. this study was aimed to understand the potential of n to minimize the effects of drought stress applied/occur during tillering (feekes stage 2) and jointing (feekes stage 6) growth stages of wheat by observing the regulations and limitations of physiological activities, crop growth rate during drought periods as well as final grain yields ... | 2016 | 27446197 |
| differential regulation of genes coding for organelle and cytosolic clpatpases under biotic and abiotic stresses in wheat. | a sub-group of class i caseinolytic proteases (clps) function as molecular chaperone and confer thermotolerance to plants. we identified class i clp family consisting of five clpb/hsp100, two clpc, and two clpd genes from bread wheat. phylogenetic analysis showed that these genes were highly conserved across grass genomes. subcellular localization prediction revealed that taclpc and taclpd subgroup proteins and taclpb1 proteins are potentially targeted to chloroplast, while taclpb5 to mitochondr ... | 2016 | 27446158 |
| identification of key proteins and networks related to grain development in wheat (triticum aestivum l.) by comparative transcription and proteomic analysis of allelic variants in tagw2-6a. | in wheat, coding region allelic variants of tagw2-6a are closely associated with grain width and weight, but the genetic mechanisms involved remain unclear. thus, to obtain insights into the key functions regulated by tagw2-6a during wheat grain development, we performed transcriptional and proteomic analyses of tagw2-6a allelic variants. the transcription results showed that the tagw2-6a allelic variants differed significantly by several orders of magnitude. each allelic variant of tagw2-6a rea ... | 2016 | 27446152 |
| ear rachis xylem occlusion and associated loss in hydraulic conductance coincide with the end of grain filling for wheat. | seed dehydration is the normal terminal event in the development of orthodox seeds and is physiologically related to the cessation of grain dry mass accumulation and crop grain yield. for a better understanding of grain dehydration, we evaluated the hypothesis that hydraulic conductance of the ear decreases during the latter stages of development and that this decrease results from disruption or occlusion of xylem conduits. whole ear, rachis, and stem nodes hydraulic conductance and percentage l ... | 2016 | 27446150 |
| tatypa, a ribosome-binding gtpase protein, positively regulates wheat resistance to the stripe rust fungus. | tyrosine phosphorylation protein a (typa/bipa) belongs to the ribosome-binding gtpase superfamily. in many bacterial species, typa acts as a global stress and virulence regulator and also mediates resistance to the antimicrobial peptide bactericidal permeability-increasing protein. however, the function of typa in plants under biotic stresses is not known. in this study, we isolated and functionally characterized a stress-responsive typa gene (tatypa) from wheat, with three copies located on chr ... | 2016 | 27446108 |
| a novel allele of l-galactono-1,4-lactone dehydrogenase is associated with enhanced drought tolerance through affecting stomatal aperture in common wheat. | in higher plants, l-galactono-1,4-lactone dehydrogenase (gldh) plays important roles in ascorbic acid (asa) biosynthesis and assembly of respiration complex i. here we report three homoeologous genes (tagldh-a1, -b1 and -d1) encoding common wheat gldh isozymes and a unique allelic variant (tagldh-a1b) associated with enhanced drought tolerance. tagldh-a1, -b1 and -d1 were located on chromosomes 5a, 5b and 5d, respectively, and their transcripts were found in multiple organs. the three homoeologs ... | 2016 | 27443220 |
| genome wide single locus single trait, multi-locus and multi-trait association mapping for some important agronomic traits in common wheat (t. aestivum l.). | genome wide association study (gwas) was conducted for 14 agronomic traits in wheat following widely used single locus single trait (slst) approach, and two recent approaches viz. multi locus mixed model (mlmm), and multi-trait mixed model (mtmm). association panel consisted of 230 diverse indian bread wheat cultivars (released during 1910-2006 for commercial cultivation in different agro-climatic regions in india). three years phenotypic data for 14 traits and genotyping data for 250 ssr marker ... | 2016 | 27441835 |
| drought-up-regulated tanac69-1 is a transcriptional repressor of tashy2 and taiaa7, and enhances root length and biomass in wheat. | a well-known physiological adaptation process of plants encountering drying soil is to achieve water balance by reducing shoot growth and maintaining or promoting root elongation, but little is known about the molecular basis of this process. this study investigated the role of a drought-up-regulated triticum aestivum nac69-1 (tanac69-1) in the modulation of root growth in wheat. tanac69-1 was predominantly expressed in wheat roots at the early vegetative stage. overexpression of tanac69-1 in wh ... | 2016 | 27440550 |
| characterization of two hkt1;4 transporters from triticum monococcum to elucidate the determinants of the wheat salt tolerance nax1 qtl. | tmhkt1;4-a1 and tmhkt1;4-a2 are two na+ transporter genes that have been identified as associated with the salt tolerance nax1 locus found in a durum wheat (triticum turgidum l. subsp. durum) line issued from a cross with t. monococcum. in the present study, we were interested in getting clues on the molecular mechanisms underpinning this salt tolerance quantitative trait locus (qtl). by analyzing the phylogenetic relationships between wheat and t. monococcum hkt1;4-type genes, we found that dur ... | 2016 | 27440547 |
| erratum: detection of qtls for traits associated with pre-harvest sprouting resistance in bread wheat (triticum aestivum l.). | [this corrects the article on p. 260 in vol. 66, pmid: 27162497.]. | 2016 | 27436958 |