Publications
| Title | Abstract | Year Filter | PMID(sorted ascending) Filter |
|---|
| tungsten (w) bioavailability in paddy rice soils and its accumulation in rice (oryza sativa). | the aim of this study was to investigate the accumulation characteristics of tungsten (w) by different indica rice cultivars from the soil and to assess the potential risks to human health via dietary intake of w in rice consumption. a total of 153 rice (ear) samples of 15 cultivars and the corresponding surface soil samples were collected from 7 cities in fujian province of southeastern china. the available soil w were extracted using h2c2o4·2h2o-(nh4)2c2o4·h2o at ph 3.3). results showed that t ... | 2017 | 28994318 |
| a viral protein promotes host sams1 activity and ethylene production for the benefit of virus infection. | ethylene plays critical roles in plant development and biotic stress response, but the mechanism of ethylene in host antiviral response remains unclear. here, we report that rice dwarf virus (rdv) triggers ethylene production by stimulating the activity of s-adenosyl-l-methionine synthetase (sams), a key component of the ethylene synthesis pathway, resulting in elevated susceptibility to rdv. rdv-encoded pns11 protein specifically interacted with ossams1 to enhance its enzymatic activity, leadin ... | 2017 | 28994391 |
| effects of interaction between cadmium (cd) and selenium (se) on grain yield and cd and se accumulation in a hybrid rice (oryza sativa) system. | a pot experiment was conducted to investigate the interactive effects of cadmium (cd) and selenium (se) on their accumulation in three rice cultivars, which remains unclear. the results showed that se reduced cd-induced growth inhibition, and increased and decreased se and cd concentrations in brown rice, respectively. cadmium concentrations in all tissues of the hybrid were similar to those in its male parent yet significantly lower than those in its female parent. selenium reduced cd accumulat ... | 2017 | 29016122 |
| phytochelatin synthase has contrasting effects on cadmium and arsenic accumulation in rice grains. | phytochelatin (pc) synthesis has been well demonstrated as a major metal tolerance mechanism in arabidopsis thaliana, whereas its contribution to long-distance element transport especially in monocots remains elusive. using rice as a cereal model, we examined physiological roles of oryza sativa phytochelatin synthase 1 (ospcs1) in the distribution and detoxification of arsenic (as) and cadmium (cd), two toxic elements associated with major food safety concerns. first, we isolated four different ... | 2017 | 29016913 |
| rice inositol polyphosphate kinase (osipk2) directly interacts with osiaa11 to regulate lateral root formation. | the plant hormone auxin controls many aspects of plant growth and development by promoting the degradation of auxin/indole-3-acetic acid (aux/iaa) proteins. the domain ii (dii) of aux/iaa proteins is sufficient for eliciting the degradation by directly interacting with the auxin receptor f-box protein tir1 to form a tir1/afbs-aux/iaa complex in an auxin-dependent manner. however, the underlying mechanisms of fine-tuning aux/iaa degradation by auxin stimuli remain to be elucidated. here, we show ... | 2017 | 29016933 |
| tolerance analysis of chloroplast oscu/zn-sod overexpressing rice under nacl and nahco3 stress. | the 636-bp-long cdna sequence of oscu/zn-sod (ak059841) was cloned from oryza sativa var. longjing11 via reverse transcription polymerase chain reaction (rt-pcr). the encoded protein comprised of 211 amino acids is highly homologous to cu/zn-sod proteins from tuscacera rice and millet. quantitative rt-pcr revealed that in rice, the level of oscu/zn-sod gene expression was lowest in roots and was highest in petals and during the s5 leaf stage. moreover, the expression level of oscu/zn-sod gene ex ... | 2017 | 29020034 |
| the rice aaa-atpase osfignl1 is essential for male meiosis. | meiosis is crucial in reproduction of plants and ensuring genetic diversity. although several genes involved in homologous recombination and dna repair have been reported, their functions in rice (oryza sativa) male meiosis remain poorly understood. here, we isolated and characterized the rice osfignl1 (osfidgetin-like 1) gene, encoding a conserved aaa-atpase, and explored its function and importance in male meiosis and pollen formation. the rice osfignl1 mutant exhibited normal vegetative growt ... | 2017 | 29021797 |
| expression patterns and promoter analyses of aluminum-responsive nac genes suggest a possible growth regulation of rice mediated by aluminum, hormones and nac transcription factors. | in acid soils, the solubilized form of aluminum, al+3, decreases root growth and affects the development of most crops. however, like other toxic elements, al can have hormetic effects on plant metabolism. rice (oryza sativa) is one of the most tolerant species to al toxicity, and when this element is supplied at low doses, growth stimulation has been observed, which could be due to combined mechanisms that are partly triggered by nac transcription factors. this protein family can regulate vital ... | 2017 | 29023561 |
| chromatin states responsible for the regulation of differentially expressed genes under 60co~γ ray radiation in rice. | the role of histone modifications in the dna damage response has been extensively studied in non-plant systems, including mammals and yeast. however, there is a lack of detailed evidence showing how chromatin dynamics, either an individual mark or combined chromatin states, participate in regulating differentially expressed genes in the plant dna damage response. | 2017 | 29025389 |
| identification of putative markers linked to grain plumpness in rice (oryza sativa l.) via association mapping. | poor grain plumpness (gp) is one of the main constraints to reaching the yield potential of hybrid rice. | 2017 | 29025391 |
| glyoxals as in vivo rna structural probes of guanine base-pairing. | elucidation of the folded structures that rna forms in vivo is vital to understanding its functions. chemical reagents that modify the watson-crick (wc) face of unprotected nucleobases are particularly useful in structure elucidation. dimethyl sulfate penetrates cell membranes and informs on rna base-pairing and secondary structure but only modifies the wc face of adenines and cytosines. we present glyoxal, methylglyoxal, and phenylglyoxal as potent in vivo reagents that target the wc face of gu ... | 2018 | 29030489 |
| understanding the role of dna polymerase λ gene in different growth and developmental stages of oryza sativa l. indica rice cultivars. | dna polymerase λ (pol λ) is the only member of dna polymerase family x present in plants. the enzyme is ddntp sensitive as it contains the conserved c-terminal pol β domain. the 1.1 kb partial coding sequence isolated spanned the whole 3' regions of the gene containing functionally important domains of the pol λ gene. comparative in silico studies from both indica and japonica cultivars involving homology modelling showed that the model for the partial pol λ gene was stable and acceptable. the a ... | 2017 | 29031161 |
| dna demethylation activates genes in seed maternal integument development in rice (oryza sativa l.). | dna methylation is an important epigenetic modification that regulates various plant developmental processes. rice seed integument determines the seed size. however, the role of dna methylation in its development remains largely unknown. here, we report the first dynamic dna methylomic profiling of rice maternal integument before and after pollination by using a whole-genome bisulfite deep sequencing approach. analysis of dna methylation patterns identified 4238 differentially methylated regions ... | 2017 | 29031162 |
| impaired magnesium protoporphyrin ix methyltransferase (chlm) impedes chlorophyll synthesis and plant growth in rice. | magnesium protoporphyrin ix methyltransferase (chlm) catalyzes the formation of magnesium protoporphyrin ix monomethylester (mgpme) from magnesium protoporphyrin ix (mgp) in the chlorophyll synthesis pathway. however, no chlm gene has yet been identified and studied in monocotyledonous plants. in this study, a spontaneous mutant, yellow-green leaf 18 (ygl18), was isolated from rice (oryza sativa). this mutant showed yellow-green leaves, decreased chlorophyll level, and climate-dependent growth d ... | 2017 | 29033966 |
| metallothionein genes encoding ros scavenging enzymes are down-regulated in the root cortex during inducible aerenchyma formation in rice. | under waterlogged conditions, roots of gramineous plants form lysigenous aerenchyma (internal gas spaces) by inducing the death of cortical cells. rice (oryza sativa) roots induce aerenchyma formation through ethylene- and reactive oxygen species (ros)-mediated signaling. metallothionein (mt) is a small, cysteine-rich protein that acts as a ros scavenger. in rice roots, the expression of mt1a, mt1b, mt1c and mt1ld were higher than those of the other mt genes. in the root cortex, where aerenchyma ... | 2017 | 29035627 |
| regulation of oxidative stress and mineral nutrient status by selenium in arsenic treated crop plant oryza sativa. | the present study was conducted to examine the impact of selenium (se) on mineral nutrient status and oxidative stress in crop plant oryza sativa treated with arsenic (as). scanning electron microscopy (sem) coupled with energy dispersive x-ray spectroscopy (eds) study revealed the morphological deformities in leaf veins along with granular deposition on the leaf surface. the eds analysis exhibited loss of elements (s, si, cl, k, ca, fe and cu) in as(iii) treatment in rice roots as compared to u ... | 2018 | 29035752 |
| ospht1;8, a phosphate transporter, is involved in auxin and phosphate starvation response in rice. | the responses of plants to auxin and phosphate (pi) starvation are closely linked. however, the underlying mechanisms connecting the pi starvation (-pi) responses to auxin are largely unclear. here, we show that ospht1;8 (ospt8), a phosphate transporter, functions in both the auxin and -pi responses in rice (oryza sativa l.) and tobacco (nicotiana tabacum). the overexpression of ospt8 (ospt8-oe) led to the loss of sensitivity to auxin and -pi in adventitious roots, lateral roots, and root hairs ... | 2017 | 29036625 |
| detecting and characterizing micrornas of diverse genomic origins via mirvial. | micrornas form an essential class of post-transcriptional gene regulator of eukaryotic species, and play critical parts in development and disease and stress responses. micrornas may originate from various genomic loci, have structural characteristics, and appear in canonical or modified forms, making them subtle to detect and analyze. we present mirvial, a robust computational method and companion software package that supports parameter adjustment and visual inspection of candidate micrornas. ... | 2017 | 29036674 |
| cooking quality properties and free and bound phenolics content of brown, black, and red rice grains stored at different temperatures for six months. | the changes in cooking quality and phenolic composition of whole black and red rice grains stored during six months at different temperatures were evaluated. brown rice with known cooking quality properties and low phenolic levels was used for purposes comparison. all rice genotypes were stored at 13% moisture content at temperatures of 16, 24, 32, and 40°c. cooking time, hardness, free and bound phenolics, anthocyanins, proanthocyanidins, and free radical scavenging capacity were analysed. the ... | 2018 | 29037710 |
| the nac transcription factor gene osy37 (onac011) promotes leaf senescence and accelerates heading time in rice. | leaf senescence is an important physiological process involving the degradation of a number of metabolites and their remobilization to new reproductive and storage organs. nac (nam, ataf, and cuc) transcription factors are reported as important regulators of the senescence process. here, we describe the identification and functional characterization of the nac transcription factor gene, osy37 (oryza sativa yellow37, onac011) obtained from oryza sativa cv. indica, and japonica. we created transge ... | 2017 | 29039754 |
| prediction of protein-protein interactions between fungus (magnaporthe grisea) and rice (oryza sativa l.). | rice blast disease caused by the fungus magnaporthe grisea (m. grisea) is one of the most serious diseases for the cultivated rice oryza sativa (o. sativa). a key factor causing rice blast disease and defense might be protein-protein interactions (ppis) between rice and fungus. in this research, we have developed a computational pipeline to predict ppis between blast fungus and rice. after cross-prediction by interolog-based and domain-based method, we achieved 532 potential ppis between 27 fung ... | 2017 | 29040362 |
| pcsd: a plant chromatin state database. | genome-wide maps of chromatin states have become a powerful representation of genome annotation and regulatory activity. we collected public and in-house plant epigenomic data sets and applied a hidden markov model to define chromatin states, which included 290 553 (36 chromatin states), 831 235 (38 chromatin states) and 3 936 844 (26 chromatin states) segments across the whole genome of arabidopsis thaliana, oryza sativa and zea mays, respectively. we constructed a plant chromatin state databas ... | 2018 | 29040761 |
| contribution of the s-type anion channel slac1 to stomatal control and its dependence on developmental stage in rice. | rice production depends on water availability and carbon fixation by photosynthesis. therefore, optimal control of stomata, which regulate leaf transpiration and co2 absorption, is important for high productivity. slow anion channel-associated 1 (slac1) is an s-type anion channel protein that controls stomatal closure in response to elevated co2. rice slac1 mutants showed significantly increased stomatal conductance (gs) and enhanced co2 assimilation. to discern the contribution of stomatal regu ... | 2017 | 29040767 |
| antagonistic transcription factor complexes modulate the floral transition in rice. | plants measure day or night lengths to coordinate specific developmental changes with a favorable season. in rice (oryza sativa), the reproductive phase is initiated by exposure to short days when expression of heading date 3a (hd3a) and rice flowering locus t 1 (rft1) is induced in leaves. the cognate proteins are components of the florigenic signal and move systemically through the phloem to reach the shoot apical meristem (sam). in the sam, they form a transcriptional activation complex with ... | 2017 | 29042404 |
| chromatin-remodeling factor osino80 is involved in regulation of gibberellin biosynthesis and is crucial for rice plant growth and development. | the phytohormone gibberellin (ga) plays essential roles in plant growth and development. here, we report that osino80, a conserved atp-dependent chromatin-remodeling factor in rice (oryza sativa), functions in both ga biosynthesis and diverse biological processes. osino80-knockdown mutants, derived from either t-dna insertion or rna interference, display typical ga-deficient phenotypes, including dwarfism, reduced cell length, late flowering, retarded seed germination and impaired reproductive d ... | 2017 | 29045007 |
| silicon reduces cadmium accumulation by suppressing expression of transporter genes involved in cadmium uptake and translocation in rice. | silicon (si) alleviates cadmium (cd) toxicity and accumulation in a number of plant species, but the exact molecular mechanisms responsible for this effect are still poorly understood. here, we investigated the effect of si on cd toxicity and accumulation in rice (oryza sativa) by using two mutants (lsi1 and lsi2) defective in si uptake and their wild types (wts). root elongation was decreased with increasing external cd concentrations in both wts and mutants, but si did not show an alleviative ... | 2017 | 29045756 |
| analysis of genes with alternatively spliced transcripts in the leaf, root, panicle and seed of rice using a long oligomer microarray and rna-seq. | pre-mrna splicing further increases protein diversity acquired through evolution. the underlying driving forces for this phenomenon are unknown, especially in terms of gene expression. a rice alternatively spliced transcript detection microarray (asdm) and rna sequencing (rna-seq) were applied to differentiate the transcriptome of 4 representative organs of oryza sativa l. cv. ilmi: leaves, roots, 1-cm-stage panicles and young seeds at 21 days after pollination. comparison of data obtained by mi ... | 2017 | 29047256 |
| rice 7-hydroxymethyl chlorophyll a reductase is involved in the promotion of chlorophyll degradation and modulates cell death signaling. | the loss of green coloration via chlorophyll (chl) degradation typically occurs during leaf senescence. to date, many chl catabolic enzymes have been identified and shown to interact with light harvesting complex ii to form a chl degradation complex in senescing chloroplasts; this complex might metabolically channel phototoxic chl catabolic intermediates to prevent oxidative damage to cells. the chl catabolic enzyme 7-hydroxymethyl chl a reductase (hcar) converts 7-hydroxymethyl chl a (7-hmc a) ... | 2017 | 29047257 |
| comprehensive profiling of lysine ubiquitome reveals diverse functions of lysine ubiquitination in common wheat. | protein ubiquitination, which is a major post-translational modifications that occurs in eukaryotic cells, is involved in diverse biological processes. to date, large-scale profiling of the ubiquitome in common wheat has not been reported, despite its status as the major cereal crop in the world. here, we performed the first ubiquitome analysis of the common wheat (triticum aestivum l.) variety, aikang 58. overall, 433 lysine modification sites were identified in 285 proteins in wheat seedlings, ... | 2017 | 29051560 |
| udp-arabinopyranose mutase gene expressions are required for the biosynthesis of the arabinose side chain of both pectin and arabinoxyloglucan, and normal leaf expansion in nicotiana tabacum. | plant cell walls are composed of polysaccharides such as cellulose, hemicelluloses, and pectins, whose location and function differ depending on plant type. arabinose is a constituent of many different cell wall components, including pectic rhamnogalacturonan i (rg-i) and ii (rg-ii), glucuronoarabinoxylans (gax), and arabinoxyloglucan (axg). arabinose is found predominantly in the furanose rather than in the thermodynamically more stable pyranose form. the udp-arabinopyranose mutases (uams) have ... | 2017 | 29052022 |
| cell-type specific chromatin analysis in whole-mount plant tissues by immunostaining. | chromatin organization in eukaryotes is highly dynamic, playing fundamental roles in regulating diverse nuclear processes including dna replication, transcription, and repair. thus, the analysis of chromatin organization is of great importance for the elucidation of chromatin-mediated biological processes. immunostaining coupled with imaging is one of the most powerful tools for chromatin analysis at the cellular level. however, in plants, it is sometimes technically challenging to apply this me ... | 2018 | 29052206 |
| constitutive expression of osdof4, encoding a c2-c2 zinc finger transcription factor, confesses its distinct flowering effects under long- and short-day photoperiods in rice (oryza sativa l.). | dof (dna binding with one finger) proteins, a class of plant-specific transcription factors which contain a conserved c2-c2-type zinc finger domain, are involved in many fundamental processes. in the arabidopsis photoperiod response pathway, cdf (cycling dof factor) proteins have a primary role as acting via transcriptional repression of the direct flowering locus t (ft) activator constans (co). our previous study indicated that one of cdf homologs, osdof12, was involved in photoperiodic floweri ... | 2017 | 29052517 |
| diffusional conductance to co2 is the key limitation to photosynthesis in salt-stressed leaves of rice (oryza sativa). | salinity significantly limits leaf photosynthesis but the factors causing the limitation in salt-stressed leaves remain unclear. in the present work, photosynthetic and biochemical traits were investigated in four rice genotypes under two nacl concentration (0 and 150 mm) to assess the stomatal, mesophyll and biochemical contributions to reduced photosynthetic rate (a) in salt-stressed leaves. our results indicated that salinity led to a decrease in a, leaf osmotic potential, electron transport ... | 2017 | 29055043 |
| growth inhibition of rice (oryza sativa l.) seedlings in ga- and in-contaminated acidic soils is respectively caused by al and al+in toxicity. | limited information exists on the effects of emerging contaminants gallium (ga) and indium (in) on rice plant growth. this study investigated the effects on growth and uptake of ga and in by rice plants grown in soils with different properties. pot experiment was conducted and the rice seedlings were grown in two soils of different ph (pc and cf) spiked with various ga and in concentrations. the results showed concentrations of ga, in, and al in soil pore water increased with ga- or in-spiking i ... | 2018 | 29055200 |
| identification and determination of naturally occurring folates in grains of rice (oryza sativa l.) by uplc-ms/ms analysis. | the genetic potential and biofortification of india-grown rice with bioavailable folate has not been studied yet. the objectives of this study were to determine the folates concentration in four cultivars of rice through uplc-ms/ms. total folate concentration in rice cultivars ranged from 11.0 to 51 μg/100 g with a mean of 26.0 μg/100 g. among the four rice cultivars, the pigmented grain cultivar nootripathu possesses two-fold rich sources of total folates than the other three non-pigmented grai ... | 2017 | 29058482 |
| current understanding of pattern-triggered immunity and hormone-mediated defense in rice (oryza sativa) in response to magnaporthe oryzae infection. | plant pathogens represent a huge threat to world food security, affecting both crop production and quality. although significant progress has been made in improving plant immunity by expressing key, defense-related genes and proteins from different species in transgenic crops, a challenge remains for molecular breeders and biotechnologists to successfully engineer elite, transgenic crop varieties with improved resistance against critical plant pathogens. upon pathogen attack, including infection ... | 2017 | 29061483 |
| geographic mosaics and changing rates of cereal domestication. | domestication is the process by which plants or animals evolved to fit a human-managed environment, and it is marked by innovations in plant morphology and anatomy that are in turn correlated with new human behaviours and technologies for harvesting, storage and field preparation. archaeobotanical evidence has revealed that domestication was a protracted process taking thousands of plant generations. within this protracted process there were changes in the selection pressures for domestication t ... | 2017 | 29061901 |
| the rna editing factor slorrm4 is required for normal fruit ripening in tomato. | rna editing plays a key posttranscriptional role in gene expression. existing studies on cytidine-to-uridine rna editing in plants have focused on maize (zea mays), rice (oryza sativa), and arabidopsis (arabidopsis thaliana). however, the importance and regulation of rna editing in several critical agronomic processes are not well understood, a notable example of which is fruit ripening. here, we analyzed the expression profile of 33 rna editing factors and identified 11 putative tomato (solanum ... | 2017 | 29061908 |
| transcriptomic analysis of gibberellin- and paclobutrazol-treated rice seedlings under submergence. | submergence stress is a limiting factor for rice growing in rainfed lowland areas of the world. it is known that the phytohormone gibberellin (ga) has negative effects on submergence tolerance in rice, while its inhibitor paclobutrazol (pb) does the opposite. however, the physiological and molecular basis underlying the ga- and pb-regulated submergence response remains largely unknown. in this study, we reveal that pb could significantly enhance rice seedling survival by retaining a higher level ... | 2017 | 29064391 |
| alleviatory effects of silicon on the foliar micromorphology and anatomy of rice (oryza sativa l.) seedlings under simulated acid rain. | silicon (si) is a macroelement in plants. the biological effects and mitigation mechanisms of silicon under environmental stress have become hot topics. the main objectives of this study were to elucidate the roles of si in alleviating the effects on the phenotype, micromorphology and anatomy of the leaves of rice seedlings under acid rain stress. the results indicated that the combined or single effects of si and simulated acid rain (sar) stress on rice roots depended on the concentration of si ... | 2017 | 29065171 |
| evidence for molecular antagonistic mechanism between mercury and selenium in rice (oryza sativa l.): a combined study using 1, 2-dimensional electrophoresis and sr-xrf techniques. | mercury (hg) is a hazardous chemical in the environment and can accumulate in the food chain. selenium (se) is a necessary element for human health and has antagonistic effects on hg toxicity. in this work, we investigated the effect of se on hg containing and hg-responsive proteins in rice using 1, 2-dimensional electrophoresis combined with sr-xrf techniques. two weeks old rice seedlings were exposed to hg and/or se compounds. after 21days proteins in the rice roots were separated by electroph ... | 2017 | 29066364 |
| structural complexity and functional diversity of plant nadph oxidases. | plant nadph oxidases also known as respiratory burst oxidase homologs (rbohs) are a family of membrane-bound enzymes that play diverse roles in the defense response and morphogenetic processes via regulated generation of reactive oxygen species. rbohs are associated with a variety of functions, although the reason for this is not clear. to evaluate using bioinformatics, the possible mechanisms for the observed functional diversity within the plant kingdom, 127 rboh protein sequences representing ... | 2018 | 29071531 |
| top bending panicle1 is involved in brassinosteroid signaling and regulates the plant architecture in rice. | brassinosteroids (brs) regulate several aspects of plant growth and development. although extensive studies have shown that br signaling is conservative in higher plants, the molecular mechanism of regulating plant architecture in rice still remains to be explored. here, we characterized a rice mutant named top bending panicle1 (tbp1). compared to wild type, tbp1 mutant plants displayed semi-dwarf stature, erect leaves, small and round grains, as well as more tillers. remarkably, the panicles of ... | 2017 | 29073469 |
| characterizing endophytic competence and plant growth promotion of bacterial endophytes inhabiting the seed endosphere of rice. | rice (oryza sativa l. ssp. indica) seeds as plant microbiome present both an opportunity and a challenge to colonizing bacterial community living in close association with plants. nevertheless, the roles and activities of bacterial endophytes remain largely unexplored and insights into plant-microbe interaction are compounded by its complexity. in this study, putative functions or physiological properties associated with bacterial endophytic nature were assessed. also, endophytic roles in plant ... | 2017 | 29073903 |
| do all leaf photosynthesis parameters of rice acclimate to elevated co2 , elevated temperature, and their combination, in face environments? | leaf photosynthesis of crops acclimates to elevated co2 and temperature, but studies quantifying responses of leaf photosynthetic parameters to combined co2 and temperature increases under field conditions are scarce. we measured leaf photosynthesis of rice cultivars changyou 5 and nanjing 9108 grown in two free-air co2 enrichment (face) systems, respectively, installed in paddy fields. each face system had four combinations of two levels of co2 (ambient and enriched) and two levels of canopy te ... | 2017 | 29076597 |
| effect of peanut shell and wheat straw biochar on the availability of cd and pb in a soil-rice (oryza sativa l.) system. | soil amendments, such as biochar, have been used to enhance the immobilization of heavy metals in contaminated soil. a pot experiment was conducted to immobilize the available cadmium (cd) and lead (pb) in soil using peanut shell biochar (pbc) and wheat straw biochar (wbc), and to observe the accumulation of these heavy metals in rice (oryza sativa l.). the application of pbc and wbc led to significantly higher ph, soil organic carbon (soc), and cation exchange capacity (cec) in paddy soil, whil ... | 2018 | 29079982 |
| eqtls regulating transcript variations associated with rapid internode elongation in deepwater rice. | to avoid low oxygen, oxygen deficiency or oxygen deprivation, deepwater rice cultivated in flood planes can develop elongated internodes in response to submergence. knowledge of the gene regulatory networks underlying rapid internode elongation is important for an understanding of the evolution and adaptation of major crops in response to flooding. to elucidate the genetic and molecular basis controlling their deepwater response we used microarrays and performed expression quantitative trait loc ... | 2017 | 29081784 |
| genetic architecture of natural variation in rice nonphotochemical quenching capacity revealed by genome-wide association study. | the photoprotective processes conferred by nonphotochemical quenching (npq) serve fundamental roles in maintaining plant fitness and sustainable yield. so far, few loci have been reported to be involved in natural variation of npq capacity in rice (oryza sativa), and the extents of variation explored are very limited. here we conducted a genome-wide association study (gwas) for npq capacity using a diverse worldwide collection of 529 o. sativa accessions. a total of 33 significant association lo ... | 2017 | 29081789 |
| multifunctional rna binding protein ostudor-sn in storage protein mrna transport and localization. | the multifunctional rna-binding protein tudor-sn plays multiple roles in transcriptional and posttranscriptional processes due to its modular domain structure, consisting of four tandem staphylococcus nuclease (sn)-like domains (4sn), followed by a carboxyl-terminal tudor domain, followed by a fifth partial sn sequence (tsn). in plants, it confers stress tolerance, is a component of stress granules and p-bodies, and may participate in stabilizing and localizing rnas to specific subdomains of the ... | 2017 | 29084903 |
| optimization of ultrasound and microwave assisted extractions of polyphenols from black rice (oryza sativa cv. poireton) husk. | phenolic compounds were extracted from the husk of milled black rice (cv. poireton) by using a combination of ultrasound assisted extraction and microwave assisted extraction. extraction parameters were optimized by response surface methodology according to a three levels, five variables box-behnken design. the appropriate process variables (extraction temperature and extraction time) to maximize the ethanolic extraction of total phenolic compounds, flavonoids, anthocyanins and antioxidant activ ... | 2017 | 29085127 |
| detection and validation of qtls for milky-white grains caused by high temperature during the ripening period in japonica rice. | the occurrence of chalky rice (oryza sativa l.) grains caused by high temperature is a serious problem in rice production. of the several kinds of chalky grains, milky-white grains are not well analyzed. the milky-white rice grain phenomenon is caused by genetic factors as well as environmental and nutritional conditions. to analyze the genetic control system for rice grain quality, we raised recombinant inbred lines from progeny produced from 'tsukushiroman' (high temperature sensitive) and 'ch ... | 2017 | 29085242 |
| genetic mapping of the qsbn7 locus, a qtl controlling secondary branch number per panicle in rice. | secondary branch number (sbn) is an important component affecting spikelet number per panicle (spp) and yield in rice. during recurrent backcross breeding, four bc2f4 populations derived from the high-yield donor parent ir65598-112-2 and the recurrent parent tainan 13 (a local japonica cultivar) showed discontinuous variations of spp and sbn within populations. genetic analysis of 92 bc2f4 individuals suggested that both spp and sbn are controlled by a single recessive allele. two parents and 37 ... | 2017 | 29085243 |
| overexpression of srs5 improves grain size of brassinosteroid-related dwarf mutants in rice (oryza sativa l.). | grain size is a trait that is important for rice (oryza sativa l.) yield potential. many genes regulating grain size have been identified, deepening our understanding of molecular mechanisms of grain size determination in rice. previously, we cloned small and round seed 5 (srs5) gene (encoding alpha-tubulin) from a small and round seed mutant and revealed that this gene regulates grain length independently of the brassinosteroid (br) signaling pathway, although br-related mutants set small grain ... | 2017 | 29085249 |
| construction of rice chromosome segment substitution lines harboring oryza barthii genome and evaluation of yield-related traits. | rice (oryza sativa l.) is one of the most important staple food in the world. to meet the increasing demand for food, a strategy for improving rice yield is needed. alleles of wild relatives are useful because they confer adaptation to plants under diverse harsh environments and have the potential to improve rice. o. barthii is a wild rice species endemic to africa and the known progenitor of the african cultivated rice, o. glaberrima. to explore the genetic potential of the o. barthii as a gene ... | 2017 | 29085251 |
| quantitative trait loci analysis of grain appearance in oryza sativa l. 'emi-no-kizuna'. | a quantitative trait locus (qtl) analysis was conducted on grain appearance in emi-no-kizuna, a rice cultivar that has superior and stable appearance of the brown rice grain and high tolerance to high temperature stress, by using f3 lines derived from emi-no-kizuna and tomohonami. the investigation was performed 2013 and 2015. in summer 2013 the air temperature was higher and the larger differences in grain appearance were observed. in the qtl analysis, a highly contributing locus, qga8, was det ... | 2017 | 29085253 |
| effect of seyoeum on obesity, insulin resistance, and nonalcoholic fatty liver disease of high-fat diet-fed c57bl/6 mice. | this study was performed to evaluate the effect of seyoeum (sye), a novel herbal meal replacement, on insulin resistance and nonalcoholic fatty liver disease (nafld) in obese mice fed with a high-fat diet (hfd). | 2017 | 29085434 |
| meta-expression analysis of unannotated genes in rice and approaches for network construction to suggest the probable roles. | this work suggests 2020 potential candidates in rice for the functional annotation of unannotated genes using meta-analysis of anatomical samples derived from microarray and rna-seq technologies and this information will be useful to identify novel morphological agronomic traits. although the genome of rice (oryza sativa) has been sequenced, 14,365 genes are considered unannotated because they lack putative annotation information. according to the rice genome annotation project database ( http:/ ... | 2018 | 29086189 |
| proteomic analysis of rice golgi membranes isolated by floating through discontinuous sucrose density gradient. | the golgi apparatus is an endomembrane system organelle and has roles in glycosylation, sorting, and secretion of proteins in the secretory pathway. it has a central function in living organism and is also essential for plant growth. proteomic approaches to identify the golgi membrane proteins have been performed in cell suspension cultures and many golgi membrane-associated proteins were found, whereas it has well established in rice seedling yet. in this chapter, our recent improving published ... | 2018 | 29086398 |
| comparative proteomic analysis of susceptible and resistant rice plants during early infestation by small brown planthopper. | the small brown planthopper (laodelphax striatellus fallén, homoptera, delphacidae-sbph) is one of the major destructive pests of rice (oryza sativa l.). understanding on how rice responds to sbph infestation will contribute to developing strategies for sbph control. however, the response of rice plant to sbph is poorly understood. in this study, two contrasting rice genotypes, pf9279-4 (sbph-resistant) and 02428 (sbph-susceptible), were used for comparative analysis of protein profiles in the l ... | 2017 | 29089949 |
| the role of node restriction on cadmium accumulation in the brown rice of 12 chinese rice (oryza sativa l.) cultivars. | for selection or breeding of rice (oryza sativa l.) cultivars with low cd affinity, the role of node cd restriction on cd accumulation in brown rice was studied. a pot experiment was conducted to investigate the concentration of cd in different sections of 12 chinese rice cultivars. the results indicated that the cd accumulation in the brown rice was mainly dependent on the root or shoot cd concentration. among the cultivars with nearly equal shoot cd concentrations, cd accumulation in brown ric ... | 2017 | 29091443 |
| the coiled-coil and nucleotide binding domains of brown planthopper resistance14 function in signaling and resistance against planthopper in rice. | brown planthopper resistance14 (bph14), the first planthopper resistance gene isolated via map-based cloning in rice (oryza sativa), encodes a coiled-coil, nucleotide binding site, leucine-rich repeat (cc-nb-lrr) protein. several planthopper and aphid resistance genes encoding proteins with similar structures have recently been identified. here, we analyzed the functions of the domains of bph14 to identify molecular mechanisms underpinning bph14-mediated planthopper resistance. the cc or nb doma ... | 2017 | 29093216 |
| rice sub1a constrains remodelling of the transcriptome and metabolome during submergence to facilitate post-submergence recovery. | the rice (oryza sativa l.) ethylene-responsive transcription factor gene sub1a-1 confers tolerance to prolonged, complete submergence by limiting underwater elongation growth. upon desubmergence, sub1a-1 genotypes rapidly recover photosynthetic function and recommence development towards flowering. the underpinnings of the transition from stress amelioration to the return to homeostasis are not well known. here, transcriptomic and metabolomic analyses were conducted to identify mechanisms by whi ... | 2017 | 29094353 |
| remobilisation of phosphorus fractions in rice flag leaves during grain filling: implications for photosynthesis and grain yields. | phosphorus (p) is translocated from vegetative tissues to developing seeds during senescence in annual crop plants, but the impact of this p mobilisation on photosynthesis and plant performance is poorly understood. this study investigated rice (oryza sativa l.) flag leaf photosynthesis and p remobilisation in a hydroponic study where p was either supplied until maturity or withdrawn permanently from the nutrient solution at anthesis, 8 days after anthesis (daa) or 16 daa. prior to anthesis, pla ... | 2017 | 29095945 |
| altered expression of a malate-permeable anion channel, osalmt4, disrupts mineral nutrition. | aluminum-activated malate transporters (almts) form a family of anion channels in plants, but little is known about most of its members. this study examined the function of osalmt4 from rice (oryza sativa). we show that osalmt4 is expressed in roots and shoots and that the osalmt4 protein localizes to the plasma membrane. transgenic rice lines overexpressing (ox) osalmt4 released malate from the roots constitutively and had 2-fold higher malate concentrations in the xylem sap than nulls, indicat ... | 2017 | 29101278 |
| genomic structural variation-mediated allelic suppression causes hybrid male sterility in rice. | hybrids between divergent populations commonly show hybrid sterility; this reproductive barrier hinders hybrid breeding of the japonica and indica rice (oryza sativa l.) subspecies. here we show that structural changes and copy number variation at the sc locus confer japonica-indica hybrid male sterility. the japonica allele, sc-j, contains a pollen-essential gene encoding a duf1618-domain protein; the indica allele, sc-i, contains two or three tandem-duplicated ~ 28-kb segments, each carrying a ... | 2017 | 29101356 |
| application of glycine reduces arsenic accumulation and toxicity in oryza sativa l. by reducing the expression of silicon transporter genes. | the present study was intended to investigate the role of amino acid glycine in detoxification of as in oryza sativa l. the growth parameters such as, shoot length and fresh weight were decreased during as(iii) and as(v) toxicity. however, the application of glycine recovered the growth parameters against as stress. the application of glycine reduced the as accumulation in all the treatments, and it was more effective against as(iii) treatment and reduced the accumulation by 68% in root and 71% ... | 2018 | 29101885 |
| influence of aspartic acid and lysine on the uptake of gold nanoparticles in rice. | the interactions between plants and nanomaterials (nms) can shed light on the environmental consequences of nanotechnology. we used the major crop plant rice (oryza sativa l.) to investigate the uptake of gold nanoparticles (gnps) coated with either negatively or positively charged ligands, over a 5-day period, in the absence or presence of one of two amino acids, aspartic acid (asp) or lysine (lys), acting as components of rice root exudates. the presence of asp or lys influenced the uptake and ... | 2018 | 29101886 |
| stress-induced oryza sativa ruvbl1a is dna-independent atpase and unwinds dna duplex in 3' to 5' direction. | ruvb, a member of aaa+ (atpases associated with diverse cellular activities) superfamily of proteins, is essential, highly conserved and multifunctional in nature as it is involved in dna damage repair, mitotic assembly, switching of histone variants and assembly of telomerase core complex. ruvb family is widely studied in various systems such as escherichia coli, yeast, human, drosophila, plasmodium falciparum and mouse, but not well studied in plants. we have studied the transcript level of ri ... | 2017 | 29103092 |
| global proteome analysis links lysine acetylation to diverse functions in oryza sativa. | lysine acetylation (kac) is an important protein post-translational modification in both eukaryotes and prokaryotes. herein, we report the results of a global proteome analysis of kac and its diverse functions in rice (oryza sativa). we identified 1353 kac sites in 866 proteins in rice seedlings. a total of 11 kac motifs are conserved, and 45% of the identified proteins are localized to the chloroplast. among all acetylated proteins, 38 kac sites are combined in core histones. bioinformatics ana ... | 2018 | 29106068 |
| spontaneous pepsin c-catalyzed activation of human pepsinogen c in transgenic rice cell suspension culture: production and characterization of human pepsin c. | a human pepsinogen c (hpgc) gene was synthesized with rice-optimized codon usage and cloned into a rice expression vector containing the promoter, signal peptide, and terminator derived from the rice α-amylase 3d (ramy3d) gene. in addition, a 6-his tag was added to the 3' end of the synthetic hpgc gene for easy purification. the plant expression vector was introduced into rice calli (oryza sativa l. cv. dongjin) mediated by agrobacterium tumefaciens. the integration of the hpgc gene into the chr ... | 2018 | 29108629 |
| the zygotic transition is initiated in unicellular plant zygotes with asymmetric activation of parental genomes. | the zygotic transition, from a fertilized egg to an embryo, is central to animal and plant reproduction. animal embryos depend upon maternally provided factors until zygotic genome activation (zga). in plants, the timing and parental genome contributions to zga are unresolved. here, we use the flowering plant oryza sativa (rice) to characterize transcriptomes of time-staged isogenic and hybrid zygotes following fertilization. large-scale transcriptomic changes were observed in unicellular zygote ... | 2017 | 29112853 |
| a novel fungal arsenic methyltransferase, waarsm reduces grain arsenic accumulation in transgenic rice (oryza sativa l.). | rice (oryza sativa l.) grown on arsenic-containing soil and water become a primary dietary source of arsenic and pose a significant health risk. gene modification is an important and practical approach to reduce arsenic accumulation in rice grains. here, we reported a waarsm gene of soil fungus westerdykella aurantiaca, expressed in rice able to convert toxic inorganic arsenicals to methylated arsenic species, therefore, reduce arsenic accumulation in rice grains. in response to arsenic treatmen ... | 2018 | 29112921 |
| visualization of multicolored in vivo organelle markers for co-localization studies in oryza sativa. | eukaryotic cells consist of a complex network of thousands of proteins present in different organelles where organelle-specific cellular processes occur. identification of the subcellular localization of a protein is important for understanding its potential biochemical functions. in the post-genomic era, localization of unknown proteins is achieved using multiple tools including a fluorescent-tagged protein approach. several fluorescent-tagged protein organelle markers have been introduced into ... | 2017 | 29113428 |
| the rice high-affinity k+ transporter oshkt2;4 mediates mg2+ homeostasis under high-mg2+ conditions in transgenic arabidopsis. | rice (oryza sativa; background nipponbare) contains nine hkt (high-affinity k+ transport)-like genes encoding membrane proteins belonging to the superfamily of ktr/trk/hkt. oshkts have been proposed to include four selectivity filter-pore-forming domains homologous to the bacterial k+ channel kcsa, and are separated into oshkt1s with na+-selective activity and oshkt2s with na+-k+ symport activity. as a member of the oshkt2 subfamily, oshkt2;4 renders mg2+ and ca2+ permeability for yeast cells an ... | 2017 | 29114257 |
| ethylene mediates alkaline-induced rice growth inhibition by negatively regulating plasma membrane h+-atpase activity in roots. | ph is an important factor regulating plant growth. here, we found that rice was better adapted to low ph than alkaline conditions, as its growth was severely inhibited at high ph, with shorter root length and an extreme biomass reduction. under alkaline stress, the expression of genes for ethylene biosynthesis enzymes in rice roots was strongly induced by high ph and exogenous ethylene precursor acc and ethylene overproduction in etol1-1 mutant aggravated the alkaline stress-mediated inhibition ... | 2017 | 29114258 |
| breeding and study of two new photoperiod- and thermo-sensitive genic male sterile lines of polyploid rice (oryza sativa l.). | male sterile lines play an important role in the utilization of heterosis. to explore and exploit the heterosis of polyploid hybrid rice, two photoperiod- and thermo-sensitive genic male sterile lines of polyploid rice, ps006 and ps012, were bred via chromosome doubling, complex hybridization and self-breeding. the characteristics of these two lines, including the agronomic traits, growth, development, fertility transformation and combining ability, were investigated. both lines had good agronom ... | 2017 | 29116179 |
| environmentally benign nanometric neem-laced urea emulsion for controlling mosquito population in environment. | the increasing risk of vector-borne diseases and the environmental pollution in the day-to-day life due to the usage of the conventional pesticides makes the role of nanotechnology to come into the action. the current study deals with one of the applications of nanotechnology through the formulation of neem urea nanoemulsion (nune). nune was formulated using neem oil, tween 20, and urea using the microfluidization method. prior to the development of nanoemulsion, the ratio of oil/surfactant/urea ... | 2018 | 29116538 |
| rice seed germination underwater: morpho-physiological responses and the bases of differential expression of alcoholic fermentation enzymes. | the water-, energy-, and labor-intensive system of transplanted puddled rice (oryza sativa) is steadily being replaced by direct seeding due to the progressive scarcity of these resources. however, the alternate dry direct seeding leads to competition with weeds and poor establishment when soils are flooded. direct seeded rice capable of anaerobic germination (germination in flooded soil, ag) is ideal, which under rainfed ecosystems would also overcome waterlogging during germination. ag toleran ... | 2017 | 29123541 |
| foliar application with nano-silicon reduced cadmium accumulation in grains by inhibiting cadmium translocation in rice plants. | nano-silicon (si) may be more effective than regular fertilizers in protecting plants from cadmium (cd) stress. a field experiment was conducted to study the effects of nano-si on cd accumulation in grains and other organs of rice plants (oryza sativa l. cv. xiangzaoxian 45) grown in cd-contaminated farmland. foliar application with 5~25 mm nano-si at anthesis stage reduced cd concentrations in grains and rachises at maturity stage by 31.6~64.9 and 36.1~60.8%, respectively. meanwhile, nano-si ap ... | 2018 | 29124638 |
| proteomic analysis of lysine acetylation provides strong evidence for involvement of acetylated proteins in plant meiosis and tapetum function. | protein lysine acetylation (kac) is a dynamic and reversible post-translational modification that has important biological roles in many organisms. although kac has been shown to affect reproductive development and meiosis in yeast and animals, similar studies are largely lacking in flowering plants, especially proteome-scale investigations for particular reproductive stages. here, we report results from a proteomic investigation to detect the kac status of the developing rice anthers near the t ... | 2018 | 29124795 |
| the limited role of differential fractionation in genome content variation and function in maize (zea mays l.) inbred lines. | maize is a diverse paleotetraploid species with considerable presence/absence variation and copy number variation. one mechanism through which presence/absence variation can arise is differential fractionation. fractionation refers to the loss of duplicate gene pairs from one of the maize subgenomes during diploidization. differential fractionation refers to non-shared gene loss events between individuals following a whole-genome duplication event. we investigated the prevalence of presence/abse ... | 2018 | 29124819 |
| evolutionary epigenomics of retrotransposon-mediated methylation spreading in rice. | plant genomes contain numerous transposable elements (tes), and many hypotheses on the evolutionary drivers that restrict te activity have been postulated. few models, however, have focused on the evolutionary epigenomic interaction between the plant host and its te. the host genome recruits epigenetic factors, such as methylation, to silence tes but methylation can spread beyond the te sequence and influence the expression of nearby host genes. in this study, we investigated this epigenetic tra ... | 2018 | 29126199 |
| shortroot-mediated increase in stomatal density has no impact on photosynthetic efficiency. | the coordinated positioning of veins, mesophyll cells, and stomata across a leaf is crucial for efficient gas exchange and transpiration and, therefore, for overall function. in monocot leaves, stomatal cell files are positioned at the flanks of underlying longitudinal leaf veins, rather than directly above or below. this pattern suggests either that stomatal formation is inhibited in epidermal cells directly in contact with the vein or that specification is induced in cell files beyond the vein ... | 2018 | 29127261 |
| osmtp11 is localised at the golgi and contributes to mn tolerance. | membrane transporters play a key role in obtaining sufficient quantities of manganese (mn) but also in protecting against mn toxicity. we have characterized osmtp11, a member of the cation diffusion facilitator/metal tolerance protein (cdf/mtp) family of metal cation transporters in oryza sativa. we demonstrate that osmtp11 functions in alleviating mn toxicity as its expression can rescue the mn-sensitive phenotype of the arabidopsis mtp11-3 knockout mutant. when expressed stably in arabidopsis ... | 2017 | 29127328 |
| genome-wide analysis and transcriptomic profiling of the auxin biosynthesis, transport and signaling family genes in moso bamboo (phyllostachys heterocycla). | auxin is essential for plant growth and development. although substantial progress has been made in understanding auxin pathways in model plants such as arabidopsis and rice, little is known in moso bamboo which is famous for its fast growth resulting from the rapid cell elongation and division. | 2017 | 29132316 |
| a mucin-like protein of planthopper is required for feeding and induces immunity response in plants. | the brown planthopper, nilaparvata lugens, is a pest that threatens rice (oryza sativa) production worldwide. while feeding on rice plants, planthoppers secrete saliva, which plays crucial roles in nutrient ingestion and modulating plant defense responses, although the specific functions of salivary proteins remain largely unknown. we identified an n. lugens-secreted mucin-like protein (nlmlp) by transcriptome and proteome analyses and characterized its function, both in brown planthopper and in ... | 2018 | 29133370 |
| gradually decreasing starch branching enzyme expression is responsible for the formation of heterogeneous starch granules. | rice (oryza sativa) endosperm is mainly occupied by homogeneous polygonal starch from inside to outside. however, morphologically different (heterogeneous) starches have been identified in some rice mutants. how these heterogeneous starches form remains unknown. a high-amylose rice line (trs) generated through the antisense inhibition of starch branching synthase i (sbei) and sbeiib contains four heterogeneous starches: polygonal, aggregate, elongated, and hollow starch; these starches are regio ... | 2018 | 29133372 |
| transcriptional changes measured in rice roots after exposure to arsenite-contaminated sediments. | transcriptional analyses are discussed to provide a deeper understanding of the molecular mechanisms underlying toxic effects. thus, they can complement classic ecotoxicological test methods and potentially allow the identification of biomarkers associated to the exposure of chemical stressors and or adverse biological effects. this feasibility study intended to identify a set of potential gene expression biomarkers for arsenite-exposure in rice roots that could complement the informative value ... | 2018 | 29134529 |
| increasing canopy photosynthesis in rice can be achieved without a large increase in water use-a model based on free-air co2 enrichment. | achieving higher canopy photosynthesis rates is one of the keys to increasing future crop production; however, this typically requires additional water inputs because of increased water loss through the stomata. lowland rice canopies presently consume a large amount of water, and any further increase in water usage may significantly impact local water resources. this situation is further complicated by changing the environmental conditions such as rising atmospheric co2 concentration ([co2 ]). h ... | 2017 | 29136323 |
| determinants and expansion of specificity in a trichothecene udp-glucosyltransferase from oryza sativa. | family 1 udp-glycosyltransferases (ugts) in plants primarily form glucose conjugates of small molecules and, besides other functions, play a role in detoxification of xenobiotics. indeed, overexpression of a barley ugt in wheat has been shown to control fusarium head blight, which is a plant disease of global significance that leads to reduced crop yields and contamination with trichothecene mycotoxins such as deoxynivalenol (don), t-2 toxin, and many other structural variants. the ugt os79 from ... | 2017 | 29140092 |
| nucleotide patterns aiding in prediction of eukaryotic promoters. | computational analysis of promoters is hindered by the complexity of their architecture. in less studied genomes with complex organization, false positive promoter predictions are common. accurate identification of transcription start sites and core promoter regions remains an unsolved problem. in this paper, we present a comprehensive analysis of genomic features associated with promoters and show that probabilistic integrative algorithms-driven models allow accurate classification of dna seque ... | 2017 | 29141011 |
| corrigendum (2): overexpression of rice glutaredoxin osgrx_c7 and osgrx_c2.1 reduces intracellular arsenic accumulation and increases tolerance in arabidopsis thaliana. | [this corrects the article on p. 740 in vol. 7, pmid: 27313586.]. | 2017 | 29142535 |
| a single nucleotide mutation of ispf gene involved in the mep pathway for isoprenoid biosynthesis causes yellow-green leaf phenotype in rice. | we identified ispf gene through yellow-green leaf mutant 505ys in rice. osispf was expressed in all tissues detected, and its encoded protein was targeted to the chloroplast. on expression levels of genes in this mutant, osispf itself and the genes encoding other enzymes of the mep pathway and chlorophyll synthase were all up-regulated, however, among eight genes associated with photosynthesis, only psaa, psan and psba genes for three reaction center subunits of photosystem obviously changed. is ... | 2018 | 29143298 |
| growth-inhibition patterns and transfer-factor profiles in arsenic-stressed rice (oryza sativa l.). | arsenic (as) accumulation in rice owing to uptake from the soil is a critical human health issue. here, we studied the chemical properties of as-treated soils, growth inhibition patterns of as-stressed rice plants, changes in the as content of soil and soil solutions, and the relationship between as accumulation and as transfer factor from the soil to the rice organs. rice plants were cultivated in a greenhouse under four concentrations of as: 0 (control), 25, 50, and 75 mg kg-1. a significant p ... | 2017 | 29147882 |
| the osps1-f gene regulates growth and development in rice by modulating photosynthetic electron transport rate. | ds insertion in rice osps1-f gene results in semi-dwarf plants with reduced tiller number and grain yield, while genetic complementation with osps1-f rescued the mutant phenotype. photosynthetic electron transport is regulated in the chloroplast thylakoid membrane by multi-protein complexes. studies about photosynthetic machinery and its subunits in crop plants are necessary, because they could be crucial for yield enhancement in the long term. here, we report the characterization of osps1-f (en ... | 2018 | 29149369 |
| residual effects of biochar on growth, photosynthesis and cadmium uptake in rice (oryza sativa l.) under cd stress with different water conditions. | soil cadmium (cd) contamination and drought stress are among the main issues hindering global food security. biochar has been used to reduce metal uptake by plants and water stress mitigation, but long-term residual effects of biochar under cd stress at different moisture levels needs to be investigated. a following rice (oryza sativa l.) was grown after wheat on cd-contaminated soil amended with different levels of biochar (0, 3.0, and 5.0%, w/w). thirty five days old plants were irrigated with ... | 2018 | 29149723 |
| the rice constans-like protein oscol15 suppresses flowering by promoting ghd7 and repressing rid1. | the photoperiodic flowering pathway is one of the most important regulatory networks controlling flowering time in rice (oryza sativa l.). rice is a facultative short-day (sd) plant; flowering is promoted under inductive sd conditions and delayed under non-inductive long-day (ld) conditions. in rice, flowering inhibitor genes play an important role in maintaining the trade-off between reproduction and yield. in this study, we identified a novel floral inhibitor, oscol15, which encodes a constans ... | 2018 | 29154991 |
| effect of microcystins on root growth, oxidative response, and exudation of rice (oryza sativa). | a 30 days indoor hydroponic experiment was carried out to evaluate the effect of microcystins (mcs) on rice root morphology and exudation, as well as bioaccumulation of mcs in rice. mcs were bioaccumulated in rice with the greatest concentrations being observed in the leaves (113.68μgg-1 fresh weight (fw)) when exposed to 500μgl-1 mcs. root activity at 500μgl-1 decreased 37%, compared to the control. mcs also induced disruption of the antioxidant system and lipid peroxidation in rice roots. root ... | 2018 | 29156306 |
| cellular localization of wheat high molecular weight glutenin subunits in transgenic rice grain. | rice (oryza sativa l.) is a primary global food cereal. however, when compared to wheat, rice has poor food processing qualities. dough that is made from rice flour has low viscoelasticity because rice seed lacks storage proteins that are comparable to gluten protein from wheat. thus, current research efforts aim to improve rice flour processing qualities through the transgenic expression of viscoelastic proteins in rice seeds. in this study, we characterized the transgenic expression of wheat g ... | 2017 | 29156580 |
| regulation of sucrose transporters and phloem loading in response to environmental cues. | suc transporters (suts) play a key role in the allocation and partitioning of photosynthetically fixed carbon in plants. while a function could be assigned to many members of the sut family, almost no information is available on their regulation. here, the transcriptional regulation of suts in response to various environmental stimuli in the leaves of five dicots (arabidopsis [arabidopsis thaliana], soybean [glycine max], potato [solanum tuberosum], tomato [solanumlycopersicum], and poplar [popu ... | 2018 | 29158330 |