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https://www.readbyqxmd.com/read/28724269/association-of-human-methionine-synthase-a2756g-transition-with-prostate-cancer-a-case-control-study-and-in-silico-analysis
#1
Arezou Ebrahimi, Abasalt Hosseinzadeh Colagar, Mohammad Karimian
Methionine synthase (MTR) is one of the key enzymes of folate pathway, which play a key role in the construction, repair, and methylation of DNA. In this study, an association of MTR A2756G gene transition with prostate cancer in men populations of Kashan-Iran was investigated by a case-control study and an in silico analysis. The 200 samples including 100 patients with prostate cancer, as case group and 100 healthy men, as control group included in this study. MTR-A2756G genotyping was performed by PCR-RFLP technique...
May 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28724262/phytohormones-and-induction-of-plant-stress-tolerance-and-defense-genes-by-seed-and-foliar-inoculation-with-azospirillum-brasilense-cells-and-metabolites-promote-maize-growth
#2
Josiane Fukami, Francisco Javier Ollero, Manuel Megías, Mariangela Hungria
Azospirillum spp. are plant-growth-promoting bacteria used worldwide as inoculants for a variety of crops. Among the beneficial mechanisms associated with Azospirillum inoculation, emphasis has been given to the biological nitrogen fixation process and to the synthesis of phytohormones. In Brazil, the application of inoculants containing A. brasilense strains Ab-V5 and Ab-V6 to cereals is exponentially growing and in this study we investigated the effects of maize inoculation with these two strains applied on seeds or by leaf spray at the V2...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28724250/reuse-water-exposure-duration-seasonality-and-treatment-affect-tissue-responses-in-a-model-fish
#3
B J Blunt, A Singh, L Wu, M Gamal El-Din, M Belosevic, K B Tierney
Partially remediated gray (reuse) water will likely find increasing use in a variety of applications owing to the increasing scarcity of freshwater. We aimed to determine if a model fish, the goldfish, could sense reuse water using olfaction (smell), and if 30min or 7d (acute) and 60d (sub-chronic) exposures would affect their olfactory responses to natural odorants. We examined olfaction as previous studies have found that numerous chemicals can impair the olfactory sense, which is critical to carrying out numerous life-sustaining behaviors from feeding to mating...
July 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28724243/extensively-and-multi-drug-resistant-acinetobacter-baumannii-recovered-from-technosol-at-a-dump-site-in-croatia
#4
Jasna Hrenovic, Goran Durn, Martina Seruga Music, Svjetlana Dekic, Tamara Troskot-Corbic, Dijana Skoric
In a karst pit above City of Rijeka in Croatia the hazardous industrial waste was continuously disposed from 1955 to 1990, and later it was periodically used as an illegal dump site. The surface part of a technosol at the edge of dump was analysed mineralogically, geochemically and bacteriologically. From the technosol rich in petroleum hydrocarbons and heavy metals three isolates of Acinetobacter baumannii were recovered. Isolates from technosol shared many features that are previously described for clinically isolates: the affiliation to IC1 and 2, multi-drug resistant (MDR) or extensively drug-resistant (XDR) antibiotic resistance profile, carbapenem resistance mediated by blaOXA72 and blaOXA23 genes, and the expression of virulence factors...
July 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28724212/the-effects-of-microrna-98-inhibits-cell-proliferation-and-invasion-by-targeting-stat3-in-nasopharyngeal-carcinoma
#5
Juying Liu, Wei Chen, Zhenzhang Chen, Jing Wen, Hongliang Yu, Feijiang Wang, Lirong Wu, Xia He
MicroRNA-98 (miR-98) is downregulated in many tumors, and is closely related to tumor progression. In addition, it shows anticarcinogenic functions in various tumor. However, few study show that the biological function and regulatory mechanisms of miR-98 in nasopharyngeal carcinoma (NPC) progression. The identification and its target genes which regulate by dysregulated miRNAs may strengthen our understanding of the molecular mechanisms of NPC. In this study, we observe that miR-98 is not only significantly reduced in NPC tissues, but also decreased markedly in NPC cell lines...
July 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28724083/identification-of-candidate-genes-responsible-for-stem-pith-production-using-expression-analysis-in-solid-stemmed-wheat
#6
A J Oiestad, J M Martin, J Cook, A C Varella, M J Giroux
The wheat stem sawfly (WSS) is an economically important pest of wheat in the Northern Great Plains. The primary means of WSS control is resistance associated with the single quantitative trait locus (QTL) , which controls most stem solidness variation. The goal of this study was to identify stem solidness candidate genes via RNA-seq. This study made use of 28 single nucleotide polymorphism (SNP) makers derived from expressed sequence tags (ESTs) linked to contained within a 5.13 cM region. Allele specific expression of EST markers was examined in stem tissue for solid and hollow-stemmed pairs of two spring wheat near isogenic lines (NILs) differing for the QTL...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724081/genome-wide-screening-for-lectin-motifs-in-arabidopsis-thaliana
#7
Lore Eggermont, Bruno Verstraeten, Els J M Van Damme
For more than three decades, served as a model for plant biology research. At present only a few protein families have been studied in detail in . This study focused on all sequences with lectin motifs in the genome of . Based on amino acid sequence similarity (BLASTp searches), 217 putative lectin genes were retrieved belonging to 9 out of 12 different lectin families. The domain organization and genomic distribution for each lectin family were analyzed. Domain architecture analysis revealed that most of these lectin gene sequences are linked to other domains, often belonging to protein families with catalytic activity...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724080/qtls-associated-with-crown-root-angle-stomatal-conductance-and-maturity-in-sorghum
#8
Jose R Lopez, John E Erickson, Patricio Munoz, Ana Saballos, Terry J Felderhoff, Wilfred Vermerris
Three factors that directly affect the water inputs in cropping systems are root architecture, length of the growing season, and stomatal conductance to water vapor (). Deeper-rooted cultivars will perform better under water-limited conditions because they can access water stored deeper in the soil profile. Reduced limits transpiration rate () and thus throughout the vegetative phase conserves water that may be used during grain filling in water-limited environments. Additionally, growing early-maturing varieties in regions that rely on soil-stored water is a key water management strategy...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724078/genome-wide-association-study-of-developing-leaves-heat-tolerance-during-vegetative-growth-stages-in-a-sorghum-association-panel
#9
Junping Chen, Ratan Chopra, Chad Hayes, Geoffrey Morris, Sandeep Marla, John Burke, Zhanguo Xin, Gloria Burow
Heat stress reduces grain yield and quality worldwide. Enhancing heat tolerance of crops at all developmental stages is one of the essential strategies required for sustaining agricultural production especially as frequency of temperature extremes escalates in response to climate change. Although heat tolerance mechanisms have been studied extensively in model plant species, little is known about the genetic control underlying heat stress responses of crop plants at the vegetative stage under field conditions...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724077/physical-map-of-the-short-arm-of-bread-wheat-chromosome-3d
#10
Kateřina Holušová, Jan Vrána, Jan Šafář, Hana Šimková, Barbora Balcárková, Zeev Frenkel, Benoit Darrier, Etienne Paux, Federica Cattonaro, Helene Berges, Thomas Letellier, Michael Alaux, Jaroslav Doležel, Jan Bartoš
Bread wheat ( L.) is one of the most important crops worldwide. Although a reference genome sequence would represent a valuable resource for wheat improvement through genomics-assisted breeding and gene cloning, its generation has long been hampered by its allohexaploidy, high repeat content, and large size. As a part of a project coordinated by the International Wheat Genome Sequencing Consortium (IWGSC), a physical map of the short arm of wheat chromosome 3D (3DS) was prepared to facilitate reference genome assembly and positional gene cloning...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724075/a-comprehensive-image-based-phenomic-analysis-reveals-the-complex-genetic-architecture-of-shoot-growth-dynamics-in-rice-oryza-sativa
#11
Malachy T Campbell, Qian Du, Kan Liu, Chris J Brien, Bettina Berger, Chi Zhang, Harkamal Walia
Early vigor is an important trait for many rice ( L.)-growing environments. However, genetic characterization and improvement for early vigor is hindered by the temporal nature of the trait and strong genotype × environment effects. We explored the genetic architecture of shoot growth dynamics during the early and active tillering stages by applying a functional modeling and genomewide association (GWAS) mapping approach on a diversity panel of ∼360 rice accessions. Multiple loci with small effects on shoot growth trajectory were identified, indicating a complex polygenic architecture...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724074/high-resolution-genetic-and-physical-mapping-of-the-eastern-filbert-blight-resistance-region-in-jefferson-hazelnut-corylus-avellana-l
#12
Vidyasagar Sathuvalli, Shawn A Mehlenbacher, David C Smith
Eastern filbert blight (EFB), caused by the pyrenomycete (Peck) E. Müller, is a devastating disease of European hazelnut ( L) in the US Pacific Northwest. A dominant allele at a single locus from the obsolete pollenizer 'Gasaway' confers a high level of resistance to EFB. To identify the gene responsible for resistance, we initiated map-based cloning efforts in a population of 1488 seedlings that segregated for resistance. Chromosome walking was initiated using primers designed from eight previously identified random amplified polymorphic DNA markers linked to resistance...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724071/haplotypes-phased-from-population-transcriptomes-detecting-selection-in-the-initial-adaptation-of-miscanthus-lutarioriparius-to-stressful-environments
#13
Cai-Yun Zhu, Wei Liu, Li-Fang Kang, Qin Xu, Shi-Lai Xing, Yang-Yang Fan, Zhi-Hong Song, Juan Yan, Jian-Qiang Li, Tao Sang
Adaptation is a characteristic that enhances the survival or reproduction of organisms; selection is the critical process leading to adaptive evolution. Therefore, detecting selection is important in studying evolutionary biology. Changes in allele frequency are fundamental to adaptive evolution. The allele frequency of entire genes at the genomic scale is more intensive and precise for analyzing selection effects, compared with simple sequence repeat and single nucleotide polymorphism (SNP) alleles from nuclear gene fragments...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724070/marker-trait-association-analysis-of-iron-and-zinc-concentration-in-lentil-lens-culinaris-medik-seeds
#14
Hamid Khazaei, Rajib Podder, Carolyn T Caron, Shudhangshu S Kundu, Marwan Diapari, Albert Vandenberg, Kirstin E Bett
Lentil ( Medik.) seeds are relatively rich in iron (Fe) and zinc (Zn), making lentil a potential crop to aid in the global battle against human micronutrient deficiency. Understanding the genetic basis for uptake of seed Fe and Zn is required to increase sustainable concentrations of these minerals in seeds. The objectives of this study were to characterize genetic variation in seed Fe and Zn concentration and to identify molecular markers associated with these traits across diverse lentil accessions. A set of 138 cultivated lentil accessions from 34 countries were evaluated in four environments (2 sites × 2 yr) in Saskatchewan, Canada...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724069/a-distinct-genetic-cluster-in-cultivated-chickpea-as-revealed-by-genome-wide-marker-discovery-and-genotyping
#15
Stefano Pavan, Concetta Lotti, Angelo R Marcotrigiano, Rosa Mazzeo, Nicoletta Bardaro, Valentina Bracuto, Francesca Ricciardi, Francesca Taranto, Nunzio D'Agostino, Adalgisa Schiavulli, Claudio De Giovanni, Cinzia Montemurro, Gabriella Sonnante, Luigi Ricciardi
The accurate description of plant biodiversity is of utmost importance to efficiently address efforts in conservation genetics and breeding. Herein, we report the successful application of a genotyping-by-sequencing (GBS) approach in chickpea ( L.), resulting in the characterization of a cultivated germplasm collection with 3187 high-quality single nucleotide polymorphism (SNP) markers. Genetic structure inference, principal component analysis, and hierarchical clustering all indicated the identification of a genetic cluster corresponding to black-seeded genotypes traditionally cultivated in Southern Italy...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724068/genome-wide-association-mapping-of-qualitatively-inherited-traits-in-a-germplasm-collection
#16
Nonoy B Bandillo, Aaron J Lorenz, George L Graef, Diego Jarquin, David L Hyten, Randall L Nelson, James E Specht
Genome-wide association (GWA) has been used as a tool for dissecting the genetic architecture of quantitatively inherited traits. We demonstrate here that GWA can also be highly useful for detecting many major genes governing categorically defined phenotype variants that exist for qualitatively inherited traits in a germplasm collection. Genome-wide association mapping was applied to categorical phenotypic data available for 10 descriptive traits in a collection of ∼13,000 soybean [ (L.) Merr.] accessions that had been genotyped with a 50,000 single nucleotide polymorphism (SNP) chip...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724065/comparative-mapping-and-targeted-capture-sequencing-of-the-gametocidal-loci-in-aegilops-sharonensis
#17
Surbhi Grewal, Laura-Jayne Gardiner, Barbora Ndreca, Emilie Knight, Graham Moore, Ian P King, Julie King
Gametocidal (Gc) chromosomes or elements in species such as Eig are preferentially transmitted to the next generation through both the male and female gametes when introduced into wheat ( L.). Furthermore, any genes, such as genes that control agronomically important traits, showing complete linkage with Gc elements, are also transmitted preferentially to the next generation without the need for selection. The mechanism for the preferential transmission of the Gc elements appears to occur by the induction of extensive chromosome damage in any gametes that lack the Gc chromosome in question...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724063/evaluation-of-genetic-diversity-and-host-resistance-to-stem-rust-in-usda-nsgc-durum-wheat-accessions
#18
Shiaoman Chao, Matthew N Rouse, Maricelis Acevedo, Agnes Szabo-Hever, Harold Bockelman, J Michael Bonman, Elias Elias, Daryl Klindworth, Steven Xu
The USDA-ARS National Small Grains Collection (NSGC) maintains germplasm representing global diversity of small grains and their wild relatives. To evaluate the utility of the NSGC durum wheat ( L. ssp. ) accessions, we assessed genetic diversity and linkage disequilibrium (LD) patterns in a durum core subset containing 429 lines with spring growth habit originating from 64 countries worldwide. Genetic diversity estimated using wheat single-nucleotide polymorphism (SNP) markers showed considerable diversity captured in this collection...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724060/genome-wide-association-mapping-of-crown-rust-resistance-in-oat-elite-germplasm
#19
Kathy Esvelt Klos, Belayneh A Yimer, Ebrahiem M Babiker, Aaron D Beattie, J Michael Bonman, Martin L Carson, James Chong, Stephen A Harrison, Amir M H Ibrahim, Frederic L Kolb, Curt A McCartney, Michael McMullen, Jennifer Mitchell Fetch, Mohsen Mohammadi, J Paul Murphy, Nicholas A Tinker
Oat crown rust, caused by f. sp. , is a major constraint to oat ( L.) production in many parts of the world. In this first comprehensive multienvironment genome-wide association map of oat crown rust, we used 2972 single-nucleotide polymorphisms (SNPs) genotyped on 631 oat lines for association mapping of quantitative trait loci (QTL). Seedling reaction to crown rust in these lines was assessed as infection type (IT) with each of 10 crown rust isolates. Adult plant reaction was assessed in the field in a total of 10 location-years as percentage severity (SV) and as infection reaction (IR) in a 0-to-1 scale...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724047/correlation-between-virulence-markers-of-helicobacter-pylori-in-the-oral-cavity-and-gastric-biopsies
#20
Myriam Lucrecia Medina, Marcelo Gabriel Medina, Luis Antonio Merino
BACKGROUND: The clinical outcome of Helicobacter pylori infection has been associated with virulence factors. The presence of these factors is useful as molecular markers in the identification of the high risk for developing severe gastric pathologies. OBJECTIVE: To correlate the presence of virulence markers cagA and bab2A of H. pylori in oral and gastric biopsy samples. METHODS: An observational, prospective, descriptive, and cross-sectional study was carried out between September 2011 and September 2012...
July 13, 2017: Arquivos de Gastroenterologia
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