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https://www.readbyqxmd.com/read/28735054/linezolid-activity-against-clinical-gram-positive-cocci-with-advanced-antimicrobial-drug-resistance-in-iran
#1
Hamidreza Houri, Hossein Kazemian, Hadi Sedigh Ebrahim-Saraie, Asieh Taji, Zahra Tayebi, Hamid Heidari
OBJECTIVES: The aim of the study was to investigate the linezolid activity against clinical Gram-positive cocci with advanced antimicrobial drug resistance. METHODS: A collection of methicillin resistant Staphylococcus aureus (MRSA), vancomycin resistant enterococci (VRE), penicillin non-susceptible Streptococcus pneumoniae (PNSP), and group B streptococci (GBS) were isolated from various clinical samples. Antimicrobial susceptibility tests were done using standard methods Subsequently, we investigated linezolid antibacterial activities, the first approved oxazolidinone against isolates by the standard broth microdilution method...
July 19, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28734788/neuropathic-pain-in-experimental-autoimmune-neuritis-is-associated-with-altered-electrophysiological-properties-of-nociceptive-drg-neurons
#2
Omneya Taha, Thoralf Opitz, Marcus Mueller, Julika Pitsch, Albert Becker, Bernd Oliver Evert, Heinz Beck, Monika Jeub
Guillain-Barré syndrome (GBS) is an acute, immune-mediated polyradiculoneuropathy characterized by rapidly progressive paresis and sensory disturbances. Moderate to severe and often intractable neuropathic pain is a common symptom of GBS, but its underlying mechanisms are unknown. Pathology of GBS is classically attributed to demyelination of large, myelinated peripheral fibers. However, there is increasing evidence that neuropathic pain in GBS is associated with impaired function of small, unmyelinated, nociceptive fibers...
July 19, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28732495/carriage-and-serotype-distribution-of-streptococcus-agalactiae-in-third-trimester-pregnancy-in-southern-ghana
#3
Hans-Christian Slotved, Nicholas T K D Dayie, Josephine A N Banini, Niels Frimodt-Møller
BACKGROUND: The aim of this study was to determine the prevalence of Streptococcus agalactiae (group B streptococci, GBS) among healthy, pregnant women attending antenatal care at different study sites in the Greater Accra Region, Ghana. METHODS: Between 2010 and June 2013, recto-vaginal swab samples were collected from pregnant women attending antenatal care from two study sites in southern Ghana. The samples were collected within 35 and 37 weeks of the gestation period...
July 21, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28728987/genetic-analysis-of-virulence-in-the-pyrenophora-teres-f-teres-population-bb25-%C3%A3-fgoh04ptt-21
#4
Vaidehi M Koladia, Jonathan K Richards, Nathan A Wyatt, Justin D Faris, Robert S Brueggeman, Timothy L Friesen
Pyrenophora teres f. teres is the causal agent of net form net blotch (NFNB) of barley. In order to map the genetics of avirulence/virulence in P. teres f. teres, a fungal population was developed using P. teres f. teres isolates BB25 (Denmark) and FGOH04Ptt-21 (North Dakota, USA) due to these two isolates differing in virulence on several common barley lines. 109 progeny isolates were obtained from the BB25 by FGOH04Ptt-21 cross that were then used for NFNB disease evaluation across eight barley lines, four of which have been used commonly as NFNB differential lines as well as four cultivars commonly used in barley production in the Northern Great Plains...
July 17, 2017: Fungal Genetics and Biology: FG & B
https://www.readbyqxmd.com/read/28724085/quantitative-trait-loci-mapping-for-spike-characteristics-in-hexaploid-wheat
#5
Yaopeng Zhou, Benjamin Conway, Daniela Miller, David Marshall, Aaron Cooper, Paul Murphy, Shiaoman Chao, Gina Brown-Guedira, José Costa
Wheat ( L.) spike characteristics determine the number of grains produced on each spike and constitute key components of grain yield. Understanding of the genetic basis of spike characteristics in wheat, however, is limited. In this study, genotyping-by-sequencing (GBS) and the iSelect 9K assay were used on a doubled-haploid (DH) soft red winter wheat population that showed a wide range of phenotypic variation for spike traits. A genetic map spanning 2934.1 cM with an average interval length of 3.4 cM was constructed...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724084/comparison-of-models-and-whole-genome-profiling-approaches-for-genomic-enabled-prediction-of-septoria-tritici-blotch-stagonospora-nodorum-blotch-and-tan-spot-resistance-in-wheat
#6
Philomin Juliana, Ravi P Singh, Pawan K Singh, Jose Crossa, Jessica E Rutkoski, Jesse A Poland, Gary C Bergstrom, Mark E Sorrells
The leaf spotting diseases in wheat that include Septoria tritici blotch (STB) caused by , Stagonospora nodorum blotch (SNB) caused by , and tan spot (TS) caused by pose challenges to breeding programs in selecting for resistance. A promising approach that could enable selection prior to phenotyping is genomic selection that uses genome-wide markers to estimate breeding values (BVs) for quantitative traits. To evaluate this approach for seedling and/or adult plant resistance (APR) to STB, SNB, and TS, we compared the predictive ability of least-squares (LS) approach with genomic-enabled prediction models including genomic best linear unbiased predictor (GBLUP), Bayesian ridge regression (BRR), Bayes A (BA), Bayes B (BB), Bayes Cπ (BC), Bayesian least absolute shrinkage and selection operator (BL), and reproducing kernel Hilbert spaces markers (RKHS-M), a pedigree-based model (RKHS-P) and RKHS markers and pedigree (RKHS-MP)...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724076/gbs-based-genomic-selection-for-pea-grain-yield-under-severe-terminal-drought
#7
Paolo Annicchiarico, Nelson Nazzicari, Luciano Pecetti, Massimo Romani, Barbara Ferrari, Yanling Wei, E Charles Brummer
Terminal drought is the main stress that limits pea ( L.) grain yield in Mediterranean-climate regions. This study provides an unprecedented assessment of the predictive ability of genomic selection (GS) for grain yield under severe terminal drought using genotyping-by-sequencing (GBS) data. Additional aims were to assess the GS predictive ability for different GBS data quality filters and GS models, comparing intrapopulation with interpopulation GS predictive ability and to perform genome-wide association (GWAS) studies...
July 2017: Plant Genome
https://www.readbyqxmd.com/read/28724072/genome-wide-analysis-of-tar-spot-complex-resistance-in-maize-using-genotyping-by-sequencing-snps-and-whole-genome-prediction
#8
Shiliang Cao, Alexander Loladze, Yibing Yuan, Yongsheng Wu, Ao Zhang, Jiafa Chen, Gordon Huestis, Jingsheng Cao, Vijay Chaikam, Michael Olsen, Boddupalli M Prasanna, Felix San Vicente, Xuecai Zhang
Tar spot complex (TSC) is one of the most destructive foliar diseases of maize ( L.) in tropical and subtropical areas of Central and South America, causing significant grain yield losses when weather conditions are conducive. To dissect the genetic architecture of TSC resistance in maize, association mapping, in conjunction with linkage mapping, was conducted on an association-mapping panel and three biparental doubled-haploid (DH) populations using genotyping-by-sequencing (GBS) single-nucleotide polymorphisms (SNPs)...
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
#9
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/28722564/guillain-barr%C3%A3-syndrome-and-chikungunya-description-of-all-cases-diagnosed-during-the-2014-outbreak-in-the-french-west-indies
#10
Stephanie Balavoine, Mathilde Pircher, Bruno Hoen, Cecile Herrmann-Storck, Fatiha Najioullah, Benjamin Madeux, Aissatou Signate, Ruddy Valentino, Annie Lannuzel, Magali Saint Louis, Sylvie Cassadou, André Cabié, Kinda Schepers
The Guillain-Barré syndrome (GBS) has been reported as a possible complication of acute chikungunya infection. The chikungunya epidemics, which occurred in Martinique and Guadeloupe in 2014, affected 308,000 people in these two islands. GBS occurred during or immediately after acute chikungunya infection in 13 patients (10 men, three women; mean age: 61 years). Median time from acute chikungunya to GBS onset was 9 days. Twelve patients were treated with intravenous polyvalent immunoglobulins, nine of whom improved within 7 days...
July 3, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28721343/upper-gastrointestinal-bleeding-in-patients-with-end-stage-renal-disease-causes-characteristics-and-factors-associated-with-need-for-endoscopic-therapeutic-intervention
#11
Syed Mudassir Laeeq, Abbas Ali Tasneem, Farina M Hanif, Nasir Hassan Luck, Rajesh Mandhwani, Rajesh Wadhva
BACKGROUND AND OBJECTIVES: The risk of upper gastrointestinal bleeding (UGIB) is increased among the end-stage renal disease (ESRD) patients. The aim of the current study was to describe the causes and characteristics of UGIB in ESRD patients at our center and to assess the need for endoscopic therapeutic intervention (ETI) using Rockall (RS) and Glasgow Blatchford scores (GBS). MATERIAL AND METHODS: All patients with ESRD and UGIB with age ≥14 years were included...
June 2017: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28720463/incidence-rates-of-guillain-barr%C3%A3-gbs-chronic-fatigue-systemic-exertion-intolerance-disease-cfs-seid-and-postural-orthostatic-tachycardia-syndrome-pots-prior-to-introduction-of-human-papilloma-virus-hpv-vaccination-among-adolescent-girls-in-finland-2002-2012
#12
J Skufca, J Ollgren, E Ruokokoski, O Lyytikäinen, H Nohynek
BACKGROUND: In Finland a vaccination programme against human papillomavirus (HPV) was introduced in November 2013 for girls aged 11-12 years with a catchup for girls 13-15 years. Allegations that HPV vaccine is causing Guillain Barré syndrome (GBS) and non-specific diagnostic entities, such as chronic fatigue syndrome/systemic exertion intolerance disease (CFS/SEID) and postural orthostatic tachycardia syndrome (POTS), continue to surface. We examined population register-based incidence rates of CFS/SEID, GBS and POTS to provide baseline data for future HPV vaccine safety evaluations...
June 2017: Papillomavirus Research
https://www.readbyqxmd.com/read/28719506/zika-virus-associated-ocular-and-neurologic-disorders-the-emergence-of-new-evidence
#13
Fatih Şahiner, Ali Korhan Siğ, Ümit Savaşçi, Kemal Tekin, Fahrettin Akay
BACKGROUND: It has been approximately 70 years since the discovery of the Zika virus (ZIKV). It had been established that the virus causes mild infections, and is confined to Africa and Asia; however, major changes in the clinical and epidemiologic patterns of ZIKV infection have occurred in recent years. The virus has attracted intense interest because of the possible association of several autoimmune and neurodevelopmental disorders. METHODS: We present a summary of the articles that attempt to explain the ZIKV unknowns, and strengthen the association with some disorders that are thought to be related to ZIKV, by describing the discovery milestones from the initial identification of the virus to the present day...
July 13, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28719243/genotyping-by-sequencing-based-genetic-analysis-of-african-rice-cultivars-and-association-mapping-of-blast-resistance-genes-against-magnaporthe-oryzae-populations-in-africa
#14
Emmanuel M Mgonja, Chan Ho Park, Houxiang Kang, Elias G Balimponya, Stephen Opiyo, Maria Bellizzi, Samuel K Mutiga, Felix Rotich, Veena Devi Ganeshan, Robert Mabagala, Clay Sneller, Jim Correll, Bo Zhou, Nicholas J Talbot, Thomas K Mitchell, Guo-Liang Wang
Understanding the genetic diversity of rice germplasm is important for the sustainable use of genetic materials in rice breeding and production. Africa is rich in rice genetic resources that can be utilized to boost rice productivity on the continent. A major constraint to rice production in Africa is rice blast, caused by the hemibiotrophic fungal pathogen Magnaporthe oryzae. In this report, we present the results of a genotyping-by-sequencing (GBS)-based diversity analysis of 190 African rice cultivars and an association mapping of blast resistance (R) genes and quantitative trait loci (QTLs)...
July 18, 2017: Phytopathology
https://www.readbyqxmd.com/read/28715920/genital-tract-gbs-and-rate-of-histologic-chorioamnionitis-in-patients-with-preterm-premature-rupture-of-membrane
#15
Krunal Patel, Shauna Williams, George Guirguis, Lisa Gittens-Williams, Joseph Apuzzio
INTRODUCTION: Histologic chorioamnionitis (HC) is a common finding in the placenta from patients with preterm premature rupture of membranes (PPROM). The purpose of this study is to determine if HC differs based on the Group B streptococcus (GBS) status in patients managed expectantly with PPROM <34 weeks gestation. METHODS: A retrospective study was performed of patients admitted with PPROM between 23 0/7 and 33 6/7 weeks from 2003 to 2014 at one institution...
July 17, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28713530/are-cerebrospinal-fluid-protein-levels-and-plasma-neutrophil-lymphocyte-ratio-associated-with-prognosis-of-guillain-barr%C3%A3-syndrome
#16
Sevki Sahin, Nilgun Cinar, Sibel Karsidag
Guillain Barré syndrome (GBS) is a post-infectious acute autoimmune polyradiculopathy. Cerebrospinal fluid (CSF) total protein level and plasma neutrophil/lymphocyte ratio (NLR) are related with autoimmune response. We aimed to reach a prognostic indicator for GBS by using electrophysiological findings, protein level of CSF, and plasma NLR based on Medical Research Council (MRC) sum score data. Cases who met diagnostic criteria of GBS and followed at least six months were enrolled in the study. Nerve conduction study (NCS) and lumbar puncture were performed one week after symptom onset...
June 23, 2017: Neurology International
https://www.readbyqxmd.com/read/28713513/the-prevalence-and-risk-factors-of-group-b-streptococcus-colonization-in-iranian-pregnant-women
#17
Roksana Darabi, Sima Tadi, Mitra Mohit, Erfan Sadeghi, Gita Hatamizadeh, Bahareh Kardeh, Mina Etminan-Bakhsh, Yekta Parsa
BACKGROUND: Group B Streptococcus (GBS) is a leading cause of serious neonatal infections. Although great progress has been made in preventing prenatal GBS, its colonization rate in different regions of Iran remains unknown. AIM: To determine GBS colonization prevalence and its risk factors among Iranian pregnant women. METHODS: This prospective cross-sectional study was performed on 186 pregnant women, who attended Boo-Ali hospital which is affiliated with Islamic Azad University in Tehran, Iran, from March 2014 to June 2015...
May 2017: Electronic Physician
https://www.readbyqxmd.com/read/28711274/clinical-association-lyme-disease-and-guillain-barre-syndrome
#18
Kinner Patel, Siddharth Shah, Dinesh Subedi
Guillain-Barre Syndrome (GBS) is a life-threatening condition in which patients may present to the Emergency Department in respiratory distress leading to death. The early identification and treatment of such a condition is paramount in preventing mortality. While there are many infections associated with GBS, the association with Lyme disease is uncommon. Through our case we aim to highlight Borrelia burgdorferi as an important antecedent infection associated with the development of GBS. In this case we report a 31-year-old male who was diagnosed with Lyme disease and GBS with relevant clinical presentation including progressive numbness and weakness in bilateral hands and feet for the past 1week along with areflexia...
July 8, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28710191/unusual-sensory-variant-of-guillain-barr%C3%A3-syndrome
#19
Milena Semproni, Gillian Gibson, Laura Kuyper, Penny Tam
We describe a 52-year-old woman presenting with acute onset of severe burning paraesthesia in the hands and feet associated with allodynia and antalgic gait. At the time of admission to hospital no motor weakness was present. A diagnosis of Guillain-Barré syndrome (GBS) was considered when neurophysiological studies were completed showing convincing evidence of demyelination on motor conduction studies and sural sparing on sensory nerve studies.(1) We describe this case as a sensory variant of GBS. Clinical improvement followed treatment with a single course of intravenous immunoglobulin (IVIG)...
July 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28708086/celiac-disease-presenting-with-peripheral-neuropathy-in-children-a-case-report
#20
Alessandra Pacitto, Alessandra Paglino, Lorenza Di Genova, Alberto Leonardi, Edoardo Farinelli, Nicola Principi, Giuseppe di Cara, Susanna Esposito
Background: Clinically relevant neurological manifestations in children with celiac disease (CD) are unusual, especially when they are considered as signs of the onset of the disease. In this paper, a case of Guillain-Barrè syndrome (GBS) as the first manifestation of CD in a 23-month-old child is reported. Case presentation: We describe a case of CD onset with peripheral neuropathy in a 23-month-old Bulgarian boy presenting with a sudden refusal to walk and absence of deep tendon reflexes in both lower limbs...
July 14, 2017: International Journal of Environmental Research and Public Health
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