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https://www.readbyqxmd.com/read/29155872/sulfur-dioxide-alleviates-programmed-cell-death-in-barley-aleurone-by-acting-as-an-antioxidant
#1
Sha-Sha Wang, Ying-Xin Zhang, Feng Yang, Zhong-Qin Huang, Jun Tang, Kang-Di Hu, Hua Zhang
Sulfur dioxide (SO2), a gaseous signaling molecule in animal cells, has recently been found to play a physiological role in plants. Here we studied the role of SO2 in gibberellic acid (GA3)-induced programmed cell death (PCD) in barley (Hordeum vulgare L.) aleurone layers. The application of the SO2 donor (NaHSO3/Na2SO3, 1:3 M/M) effectively alleviated PCD in barley aleurone layers in a dose-dependent manner with an optimal concentration of 50 μM. Further investigations showed that SO2 reduced the accumulation of hydrogen peroxide (H2O2), superoxide anion (⋅O2-) and malondialdehyde (MDA) in aleurone layers...
2017: PloS One
https://www.readbyqxmd.com/read/29146152/improved-antifungal-activity-of-barley-derived-chitinase-i-gene-that-overexpress-a-32kda-recombinant-chitinase-in-escherichia-coli-host
#2
Nida Toufiq, Bushra Tabassum, Muhammad Umar Bhatti, Anwar Khan, Muhammad Tariq, Naila Shahid, Idrees Ahmad Nasir, Tayyab Husnain
Agricultural crops suffer many diseases, including fungal and bacterial infections, causing significant yield losses. The identification and characterisation of pathogenesis-related protein genes, such as chitinases, can lead to reduction in pathogen growth, thereby increasing tolerance against fungal pathogens. In the present study, the chitinase I gene was isolated from the genomic DNA of Barley (Hordeum vulgare L.) cultivar, Haider-93. The isolated DNA was used as template for the amplification of the ∼935bp full-length chitinase I gene...
October 31, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/29143621/identification-and-characterization-of-regulatory-network-components-for-anthocyanin-synthesis-in-barley-aleurone
#3
Ksenia V Strygina, Andreas Börner, Elena K Khlestkina
BACKGROUND: Among natural populations, there are different colours of barley (Hordeum vulgare L.). The colour of barley grains is directly related to the accumulation of different pigments in the aleurone layer, pericarp and lemma. Blue grain colour is due to the accumulation of anthocyanins in the aleurone layer, which is dependent on the presence of five Blx genes that are not sequenced yet (Blx1, Blx3 and Blx4 genes clustering on chromosome 4HL and Blx2 and Blx5 on 7HL). Due to the health benefits of anthocyanins, blue-grained barley can be considered as a source of dietary food...
November 14, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29143605/impact-of-the-7-bp-deletion-in-hvga20ox2-gene-on-agronomic-important-traits-in-barley-hordeum-vulgare-l
#4
Serafima Teplyakova, Marina Lebedeva, Nadezhda Ivanova, Valentina Horeva, Nina Voytsutskaya, Olga Kovaleva, Elena Potokina
BACKGROUND: Alike to Reduced height-1 (Rht-1) genes in wheat and the semi dwarfing (sd-1) gene in rice, the sdw1/denso locus involved in the metabolism of the GA, was designated as the 'Green Revolution' gene in barley. The recent molecular characterization of the candidate gene HvGA20ox2 for sdw1/denso locus allows to estimate the impact of the functional polymorphism of this gene on the variation of agronomically important traits in barley. RESULTS: We investigated the effect of the 7-bp deletion in exon 1 of HvGA20ox2 gene (sdw1...
November 14, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29139309/polyphenolic-characterisation-of-plant-mixture-lisosan%C3%A2-reduction-and-its-hypocholesterolaemic-effect-in-high-fat-diet-fed-mice
#5
Rossella Russo, Laura Pucci, Lucia Giorgetti, Július Árvay, Francesco Vizzarri, Vincenzo Longo, Luisa Pozzo
Lisosan® Reduction is a plant mixture produced from powder of fermented Triticum aestivum (Lisosan® G), Desmodium adscendens, Malus domestica, Picrorhiza kurroa and Hordeum vulgare. The aim of this study was to characterise the phenolic profile of Lisosan® Reduction and to evaluate the effects of aqueous extract on mice fed a high fat diet (HFD). Syringic acid, trans sinapic acid and neochlorogenic acid were identified by HPLC-DAD to be the dominant polyphenols of Lisosan® Reduction, followed by vitexin, trans p-coumeric acid and trans ferulic acid...
November 15, 2017: Natural Product Research
https://www.readbyqxmd.com/read/29124282/development-of-a-complete-set-of-wheat-barley-group-7-robertsonian-translocation-chromosomes-conferring-an-increased-content-of-%C3%AE-glucan
#6
Tatiana V Danilova, Bernd Friebe, Bikram S Gill, Jesse Poland, Eric Jackson
A complete set of six compensating Robertsonian translocation chromosomes involving barley chromosome 7H and three chromosomes of hexaploid wheat was produced. Grain β-glucan content increased in lines containing 7HL. Many valuable genes for agronomic performance, disease resistance and increased yield have been transferred from relative species to wheat (Triticum aestivum L.) through whole-arm Robertsonian translocations (RobT). Although of a great value, the sets of available translocations from barley (Hordeum vulgare L...
November 10, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/29120078/high-carbon-dioxide-concentration-and-elevated-temperature-impact-the-growth-of-weeds-but-do-not-change-the-efficacy-of-glyphosate
#7
Khawar Jabran, Mehmed Nedim Doğan
BACKGROUND: Global climate changes may impact the growth and management of weed species. This work was aimed at evaluating the impact of recent climate changes on growth of weeds and herbicide efficacy. The effects of temperature, carbon dioxide (CO2 ), and herbicide on growth and control of Bromus tectorum L., Hordeum murinum L., and Lactuca serriola L. were studied. Treatments included: 1) Control or ambient environment (CO2 =400-450 ppm; temperature 20/10 °C day/night); 2) Elevated temperature (CO2 =400-450 ppm; temperature 25/15 °C day/night); 3) High CO2 and elevated temperature (CO2 =800-900 ppm; temperature 25/15 °C day/night); 4) High CO2 (CO2 =800-900 ppm; temperature 20/10 °C day/night)...
November 9, 2017: Pest Management Science
https://www.readbyqxmd.com/read/29115942/detection-of-qtls-for-seedling-characteristics-in-barley-hordeum-vulgare-l-grown-under-hydroponic-culture-condition
#8
Qifei Wang, Genlou Sun, Xifeng Ren, Jibin Wang, Binbin Du, Chengdao Li, Dongfa Sun
BACKGROUND: Seedling characteristics play significant roles in the growth and development of barley (Hordeum vulgare L.), including stable stand establishment, water and nutrients uptake, biotic resistance and abiotic stresses, and can influence yield and quality. However, the genetic mechanisms underlying seedling characteristics in barley are largely unknown and little research has been done. In the present work, 21 seedling-related characteristics are assessed in a barley double haploid (DH) population, grown under hydroponic conditions...
November 7, 2017: BMC Genetics
https://www.readbyqxmd.com/read/29111595/prominent-alterations-of-wild-barley-leaf-transcriptome-in-response-to-individual-and-combined-drought-acclimation-and-heat-shock-conditions
#9
Ahmed Ashoub, Niels Müller, José M Jiménez-Gómez, Wolfgang Brüggemann
Under field conditions, drought and heat stress typically happen simultaneously and their negative impact on the agricultural production is expected to increase worldwide under the climate change scenario. In this study, we performed RNA sequencing analysis on leaves of wild barley (Hordeum spontaneum) originated from the northern coastal region of Egypt following individual drought acclimation (DA) and heat shock (HS) treatments and their combination (CS) to distinguish the unique and shared differentially expressed genes...
November 7, 2017: Physiologia Plantarum
https://www.readbyqxmd.com/read/29105256/fusarium-crown-rot-caused-by-fusarium-pseudograminearum-in-cereal-crops-recent-progress-and-future-prospects
#10
Kemal Kazan, Donald Gardiner
Diseases caused by Fusarium pathogens inflict major yield and quality losses on many economically important plant species worldwide, including cereals. Fusarium crown rot (FCR) caused by Fusarium pseudograminearum is a cereal disease that occurs in many arid and semi-arid cropping regions of the world. In recent years, this disease has become more prevalent, in part due to the adoption of moisture-preserving cultural practices such as minimum tillage and stubble retention. In this pathogen profile, we present a brief overview of recent research efforts that not only have advanced our understanding of the interactions between F...
November 4, 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/29096740/induced-dedifferentiation-of-barley-hordeum-vulgare-l-embryonic-cells-and-its-relationship-with-agronomic-traits
#11
R Naseri, K Cheghamirza, L Zarei, E Saroei
This study was carried out to investigate the response of 42 Iranian and European barley (Hordeum vulgare L.) cultivars to induced dedifferentiation of embryonic cells via immature embryo culture and understand the relationship between embryo culture characters and agronomic traits. The cultivars were evaluated for dedifferentiation of embryonic cells or callus induction from immature embryo culture based on a completely randomized design with unequal replication. Immature embryos were placed scutellum down on cell dedifferentiation medium based on MS and supplemented with 2...
October 25, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/29096621/assessment-of-genetic-diversity-and-yield-performance-in-jordanian-barley-hordeum-vulgare-l-landraces-grown-under-rainfed-conditions
#12
A M Al-Abdallat, A Karadsheh, N I Hadadd, M W Akash, S Ceccarelli, M Baum, M Hasan, A Jighly, J M Abu Elenein
BACKGROUND: Barley (Hordeum vulgare L.) is a major cereal crop, which is cultivated under variable environmental conditions and abiotic stresses in marginal areas around the globe. In this study, we evaluated 150 Jordanian landraces obtained from ICARDA Gene Bank and four local checks for yield and yield components related-traits in two locations across Jordan for three growing seasons under rainfed conditions. The study aims to identify superior Jordanian barley genotypes under dry conditions, to understand the genotype × environment (G × E) interactions, to analyze stability parameters and to identify markers associated with yield and yield components under rainfed conditions...
November 2, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29065529/immobilization-of-lead-migrating-from-contaminated-soil-in-rhizosphere-soil-of-barley-hordeum-vulgare-l-and-hairy-vetch-vicia-villosa-using-hydroxyapatite
#13
Masahiko Katoh, Elsya Risky, Takeshi Sato
This study conducted plant growth tests using a rhizobox system to quantitatively determine the distance of immobilization lead migrating from contaminated soil into uncontaminated rhizosphere soil, and to assess the lead phases accumulated in rhizosphere soil by sequential extraction. Without the hydroxyapatite, exchangeable lead fractions increased as the rhizosphere soil got closer to the contaminated soil. Exchangeable lead fractions were higher even in the rhizosphere soil that shares a boundary with the root surface than in the soil before being planted...
October 23, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29064514/comparative-transcriptome-profile-of-the-leaf-elongation-zone-of-wild-barley-hordeum-spontaneum-eibi1-mutant-and-its-isogenic-wild-type
#14
Qin Zhou, Aidong Wang, Ruijun Duan, Jun Yan, Gang Zhao, Eviatar Nevo, Guoxiong Chen
The naturally occurring wild barley mutant eibi1/hvabcg31 suffers from severe water loss due to the permeable leaf cuticle. Eibi1/HvABCG31 encodes a full ATP-binding cassette (ABC) transporter, HvABCG31, playing a role in cutin deposition in the elongation zone of growing barley leaves. The eibi1 allele has pleiotropic effects on the appearance of leaves, plant stature, fertility, spike and grain size, and rate of germination. Comparative transcriptome profile of the leaf elongation zone of the eibi1 mutant as well as its isogenic wild type showed that various pathogenesis-related genes were up-regulated in the eibi1 mutant...
October 23, 2017: Genetics and Molecular Biology
https://www.readbyqxmd.com/read/29061901/geographic-mosaics-and-changing-rates-of-cereal-domestication
#15
Robin G Allaby, Chris Stevens, Leilani Lucas, Osamu Maeda, Dorian Q Fuller
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 traits as well as variation across a geographic mosaic of wild and cultivated populations...
December 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29058624/husk-to-caryopsis-adhesion-in-barley-is-influenced-by-pre-and-post-anthesis-temperatures-through-changes-in-a-cuticular-cementing-layer-on-the-caryopsis
#16
M Brennan, T Shepherd, S Mitchell, C F E Topp, S P Hoad
BACKGROUND: At ripeness, the outer husk of "covered" barley grains firmly adheres to the underlying caryopsis. A cuticular cementing layer on the caryopsis is required for husk adhesion, however the quality of adhesion varies significantly among cultivars which produce the cementing layer, resulting in the economically important malting defect, grain skinning. The composition of the cementing layer, and grain organ development have been hypothesised to influence the quality of husk adhesion...
October 23, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29053716/qtl-controlling-grain-filling-under-terminal-drought-stress-in-a-set-of-wild-barley-introgression-lines
#17
Nora Honsdorf, Timothy J March, Klaus Pillen
Drought is a major abiotic stress impeding the yield of cereal crops globally. Particularly in Mediterranean environments, water becomes a limiting factor during the reproductive developmental stage, causing yield losses. The wild progenitor of cultivated barley Hordeum vulgare ssp spontaneum (Hsp) is a potentially useful source of drought tolerance alleles. Wild barley introgression lines like the S42IL library may facilitate the introduction of favorable exotic alleles into breeding material. The complete set of 83 S42ILs was genotyped with the barley 9k iSelect platform in order to complete genetic information obtained in previous studies...
2017: PloS One
https://www.readbyqxmd.com/read/29051662/improving-phenolic-bioactive-linked-anti-hyperglycemic-functions-of-dark-germinated-barley-sprouts-hordeum-vulgare-l-using-seed-elicitation-strategy
#18
Ramnarain Ramakrishna, Dipayan Sarkar, Avani Manduri, Shreyas Ganesan Iyer, Kalidas Shetty
Sprouts of cereal grains, such as barley (Hordeum vulgare L.), are a good source of beneficial phenolic bioactives. Such health relevant phenolic bioactives of cereal sprouts can be targeted to manage chronic hyperglycemia and oxidative stress commonly associated with type 2 diabetes (T2D). Therefore improving phenolic bioactives by stimulating plant endogenous defense responses such as protective pentose phosphate pathway (PPP) during sprouting has significant merit. Based on this metabolic rationale, this study aimed to enhance phenolic bioactives and associated antioxidant and anti-hyperglycemic functions in dark germinated barley sprouts using exogenous elicitor treatments...
October 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29044534/effectors-involved-in-fungal-fungal-interaction-lead-to-a-rare-phenomenon-of-hyperbiotrophy-in-the-tritrophic-system-biocontrol-agent-powdery-mildew-plant
#19
Joan Laur, Gowsica Bojarajan Ramakrishnan, Caroline Labbé, François Lefebvre, Pietro D Spanu, Richard R Bélanger
Tritrophic interactions involving a biocontrol agent, a pathogen and a plant have been analyzed predominantly from the perspective of the biocontrol agent. We have conducted the first comprehensive transcriptomic analysis of all three organisms in an effort to understand the elusive properties of Pseudozyma flocculosa in the context of its biocontrol activity against Blumeria graminis f.sp. hordei as it parasitizes Hordeum vulgare. After inoculation of P. flocculosa, the tripartite interaction was monitored over time and samples collected for scanning electron microscopy and RNA sequencing...
October 18, 2017: New Phytologist
https://www.readbyqxmd.com/read/29033328/the-cys-arg-n-end-rule-pathway-is-a-general-sensor-of-abiotic-stress-in-flowering-plants
#20
Jorge Vicente, Guillermina M Mendiondo, Mahsa Movahedi, Marta Peirats-Llobet, Yu-Ting Juan, Yu-Yen Shen, Charlene Dambire, Katherine Smart, Pedro L Rodriguez, Yee-Yung Charng, Julie E Gray, Michael J Holdsworth
Abiotic stresses impact negatively on plant growth, profoundly affecting yield and quality of crops. Although much is known about plant responses, very little is understood at the molecular level about the initial sensing of environmental stress. In plants, hypoxia (low oxygen, which occurs during flooding) is directly sensed by the Cys-Arg/N-end rule pathway of ubiquitin-mediated proteolysis, through oxygen-dependent degradation of group VII Ethylene Response Factor transcription factors (ERFVIIs) via amino-terminal (Nt-) cysteine [1, 2]...
October 23, 2017: Current Biology: CB
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