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https://www.readbyqxmd.com/read/28631392/-detection-of-negative-and-positive-rna-strand-of-poliovirus-sabin-1-and-echovirus-e19-by-a-stem-loop-reverse-transcription-pcr
#1
A Fikatas, T G Dimitriou, Z Kyriakopoulou, G Moschonas, G D Amoutzias, D Mossialos, C Gartzonika, S Levidiotou-Stefanou, P Markoulatos
In this report a strand specific RT-PCR was established for the detection of the replicative negative RNA strand of poliovirus sabin 1 (Sabin1) and Echovirus 19 (E19) strains. The key for the successful conduction of the assay was the use of a specific reverse transcription primer targeting the 5'-UTR of enteroviruses that consisted of a stem-loop structure at the 5'-end and an enteroviral-specific sequence at the 3'-end. The stem loop RT-PCR was found to be an accurate and sensitive method, detecting even 10(-2) CCID50 of poliovirus sabin 1 (Sabin1) and E19 strains 6(h) post infection (p...
June 20, 2017: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/28630686/fecal-carriage-of-extended-spectrum-%C3%AE-lactamase-and-carbapenemase-producing-enterobacteriaceae-in-egyptian-patients-with-community-onset-gastrointestinal-complaints-a-hospital-based-cross-sectional-study
#2
H M Abdallah, N Alnaiemi, E A Reuland, B B Wintermans, A Koek, A M Abdelwahab, A Samy, K W Abdelsalam, C M J E Vandenbroucke-Grauls
OBJECTIVES: The aim of this study was to determine the prevalence of extended-spectrum β-lactamase (ESBL) and carbapenemase production among Enterobacteriaceae isolated from ambulatory patients with gastrointestinal complaints admitted to El-Ahrar General Hospital, Zagazig, Egypt in the period between January 2013 and May 2013. METHODS: One hundred and thirteen Enterobacteriaceae isolates were recovered from 100 consecutive Egyptian patients with community-onset gastrointestinal complaints...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28628900/evaluation-of-the-innotyper-%C3%A2-21-genotyping-kit-in-multi-ethnic-populations
#3
Peter Gustav Ristow, Nicole Barnes, Gina Pineda Murphy, Hiromi Brown, Kevin Wesley Cloete, Maria Eugenia D'Amato
We report the findings of the evaluation of the InnoTyper(®) 21 genotyping kit for the use of human identification (HID) and paternity testing in South Africa. This novel forensic kit evaluates 20 retrotransposable elements (AC4027, MLS26, ALU79712, NBC216, NBC106, RG148, NBC13, AC2265, MLS09, AC1141, TARBP, AC2305, HS4.69, NBC51, ACA1766, NBC120, NBC10, NBC102, SB19.12 and NBC148) and the Amelogenin locus for sex determination. The evaluation of the genotyping performance showed no significant spectral pull-up for peak heights between 100 and 30,000 RFUs...
June 7, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28627462/clinical-and-pathological-staging-validation-in-the-eighth-edition-of-tnm-classification-for-lung-cancer-correlation-between-solid-size-on-thin-section-computed-tomography-and-invasive-size-in-pathological-findings-in-the-new-t-classification
#4
Keiju Aokage, Tomohiro Miyoshi, Genichiro Ishii, Masahiro Kusumoto, Shogo Nomura, Shinya Katsumata, Keigo Sekihara, Tomoyuki Hishida, Masahiro Tsuboi
INTRODUCTION: The aim of this study was to validate the new 8th edition of the tumor-node-metastasis (TNM) classification and to elucidate whether radiological solid size corresponds to pathological invasive size incorporated in this T factor. METHODS: We analyzed the data of 1792 patients who underwent complete resection from 2003 to 2011 at the National Cancer Center Hospital East, Japan. We re-evaluated preoperative thin-sliced computed tomography (TSCT) to determine solid size and pathological invasive size using the 3rd edition of the WHO classification and reclassified them according to the new TNM classification...
June 13, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28620682/infectious-bursal-disease-outbreak-investigation-molecular-characterization-and-vaccine-immunogenicity-trial-in-ethiopia
#5
Aregitu Mekuriaw, Molalegne Bitew, Esyas Gelaye, Bedaso Mamo, Gelagay Ayelet
The study was conducted with the objective of isolation and molecular characterization of infectious bursal disease virus (IBDV) circulating in Ethiopia and to assess the immunogenicity of different commercially available live attenuated IBD vaccines and finally to select the appropriate vaccine strain for the existing IBDV. Outbreak samples collected from different poultry farms with IBD infection between 2013 and 2015 were used for the virus isolation and molecular characterization. IBD vaccine immunogenicity test was conducted using four different commercially available live attenuated IBD vaccine strains: namely D78, B2K, LC75, and EXTREM...
June 15, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28619391/pharmacists-attitudes-regarding-provision-of-sexual-and-reproductive-health-services
#6
Austin T Hilverding, Natalie A DiPietro Mager
OBJECTIVES: The primary objective was to assess attitudes from Ohio pharmacists about contraceptive authority. Secondary objectives included determining pharmacists' perceptions of benefits, barriers, and preparedness for offering such services and examining attitudes about and experiences with other reproductive health topics to inform future research. METHODS: An anonymous 26-question Institutional Review Board-approved electronic survey was developed and distributed via Qualtrics to a random sample of 500 licensed pharmacists in Ohio...
June 12, 2017: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/28612575/-study-on-application-of-ema-pcr-rapid-identification-of-infectious-and-non-infectious-adenovirus
#7
Qiu-Yang Yu, Shan-Shan Li, Jie Jian, Lei Shi, Yin Liu, Yue Qin, Qian Yu
OBJECTIVES: To investigate the application of cytopathic effect (EMA)-PCR to rapid identification of infectious and non-infectious adenovirus. METHODS: The different dilutions of virus were inoculated to well-grown monolayer cells and then calculated the concentration of virus through the cytopathic effect (CPE). The adenovirus and New Castle disease virus were prepared in a fixed concentration of 10(6) PFU/mL then diluted in ten-time gradient and the DNA of virus were extracted and PCR were applied, then the target DNA fragments were observed through gel electrophoresis...
January 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28611248/the-aspergillus-fumigatus-crza-transcription-factor-activates-chitin-synthase-gene-expression-during-the-caspofungin-paradoxical-effect
#8
Laure Nicolas Annick Ries, Marina Campos Rocha, Patrícia Alves de Castro, Rafael Silva-Rocha, Roberto Nascimento Silva, Fernanda Zanolli Freitas, Leandro José de Assis, Maria Célia Bertolini, Iran Malavazi, Gustavo H Goldman
Aspergillus fumigatus is an opportunistic fungal pathogen that causes invasive aspergillosis (IA), a life-threatening disease in immunocompromised humans. The echinocandin caspofungin, adopted as a second-line therapy in combating IA, is a β-1,3-glucan synthase inhibitor, which, when used in high concentrations, reverts the anticipated A. fumigatus growth inhibition, a phenomenon called the "caspofungin paradoxical effect" (CPE). The CPE has been widely associated with increased chitin content in the cell wall due to a compensatory upregulation of chitin synthase-encoding genes...
June 13, 2017: MBio
https://www.readbyqxmd.com/read/28607010/comparison-of-two-phenotypic-algorithms-to-detect-carbapenemase-producing-enterobacteriaceae
#9
Laurent Dortet, Sandrine Bernabeu, Camille Gonzalez, Thierry Naas
A novel algorithm designed for the screening of carbapenemase producing Enterobactericeae (CPE), based on faropenem and temocillin disks was compared to that of the French Society of Microbiology (CA-SFM), which is based on ticarcillin-clavulanate, imipenem and temocillin disks. Both algorithms presented comparable negative predictive values (98.6% vs 97.5%) for the CPE screening among carbapenem non-susceptible Enterobacteriaceae However, since 46.2% (n=49) of the CPEs were correctly identified as OXA-48-like producers by the faropenem/temocillin-based algorithm, it significantly decreased the number of complementary tests needed (42...
June 12, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28606385/isolation-of-kaeng-khoi-virus-kkv-from-eucampsipoda-sundaica-bat-flies-in-china
#10
Yun Feng, Yuanyuan Li, Shihong Fu, Xiaolong Li, Jingdong Song, Hailin Zhang, Weihong Yang, Yuzhen Zhang, Hong Pan, Guodong Liang
A virus strain (WDBC1210) was isolated from specimens of bat flies (Eucampsipoda sundaica) associated with Leschenault's Rousette (Rousettus leschenaultii) in the China-Myanmar border area of Yunnan Province, China. Both BHK-21 and VeroE6 cells infected with WDBC1210 showed evident cytopathic effects (CPE), and the highest propagation titer was 1×10(5.6). The virus particles were spherical, 70nm in diameter. Virus plaques could be observed in BHK-21 cells. The whole genome of WDBC1210 contained three RNA segments: the small gene (S), 975 nucleotides long; the medium gene (M), 4568 nucleotides long; and the large gene (L), 6866 nucleotides long...
June 9, 2017: Virus Research
https://www.readbyqxmd.com/read/28602679/characterization-of-the-black-carp-traf6-signaling-molecule-in-innate-immune-defense
#11
Shu Jiang, Jun Xiao, Jun Li, Hui Chen, Chanyuan Wang, Chaoliang Feng, Hao Feng
Tumor necrosis factor receptor-associated factor 6 (TRAF6) plays a vital role in the innate immune response of higher vertebrates. To elucidate its function in teleost fish, TRAF6 homologue of black carp (Mylopharyngodon piceus) has been cloned and characterized in this study. Black carp TRAF6 (bcTRAF6) transcription in Mylopharyngodon piceus fin (MPF) cells was up-regulated in response to both poly (I:C) treatment and viral infection, but was suppressed by LPS stimulation. bcTRAF6 migrated around 72 KDa in immunoblot analysis and was identified as a cytosolic protein suggested to be associated with vesicles scattering in the cytoplasm...
June 5, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28602387/surveillance-of-carbapenemase-producing-enterobacteriaceae%C3%A2-in-the-indian-ocean-region-between-january-2010%C3%A2-and-december-2015
#12
A M Holman, J Allyn, G Miltgen, N Lugagne, N Traversier, S Picot, A Lignereux, C Oudin, O Belmonte, N Allou
BACKGROUND: The aim of this study was to trace the emergence of carbapenemase-producing Enterobacteriaceae (CPE) on Reunion Island, a French overseas territory well suited for the surveillance of CPE emergence in patients from the entire Indian Ocean Region. METHODS: This retrospective multicenter study was conducted on Reunion Island between 2010 and 2015. RESULTS: A total of 43 CPEs were isolated during the course of the study, in 36 patients (50% in the last year alone)...
June 8, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28602182/electrochemical-oxidation-mechanism-of-eugenol-on-graphene-modified-carbon-paste-electrode-and-its-analytical-application-to-pharmaceutical-analysis
#13
Gulcemal Yildiz, Zeynep Aydogmus, M Emin Cinar, Filiz Senkal, Turan Ozturk
Electrochemical properties of eugenol were investigated on a graphene modified carbon paste electrode (CPE) by using voltammetric methods, which exhibited a well-defined irreversible peak at about 0.7V vs Ag/AgCl, NaCl (3M) in Britton-Robinson buffer at pH 2.0. Mechanism of the electrochemical reaction of eugenol was studied by performing density functional theory (DFT) computations and mass spectroscopic analysis. (CPCM:water)-wB97XD/aug-cc-PVTZ//(CPCM:water)-wB97XD/6-31G(d) level calculations predicted that the formation of product P2, possessing a para-quinoid structure, is preferred rather than the product P1, suggested in the literature, having an ortho-quinoid system...
October 1, 2017: Talanta
https://www.readbyqxmd.com/read/28601156/ovopel-and-carp-pituitary-extract-for-the-reproductive-induction-of-colossoma-macropomum-males
#14
Edenilce de Fátima Ferreira Martins, Danilo Pedro Streit, Janessa Sampaio de Abreu, Ruy Alberto Caetano Corrêa-Filho, Carlos Antonio Lopes de Oliveira, Nelson Mauricio Lopera-Barrero, Jayme Aparecido Povh
The objective of this study was to evaluate Ovopel and carp pituitary extract (CPE) in the reproductive induction of Colossoma macropomum males. Nine treatments were tested in triplicate, totaling 27 experimental units. C. macropomum breeders were subjected to the following treatments: 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, and 0.7 Ovopel pellet/kg; 2.5 mg CPE/kg (traditional protocol); and a control treatment (no hormone). Breeders under hormone treatment produced a larger (P < 0.05) semen volume (2.4 ± 0...
August 2017: Theriogenology
https://www.readbyqxmd.com/read/28600257/search-for-more-effective-microsatellite-markers-for-forensics-with-next-generation-sequencing
#15
Bowen Tan, Zicheng Zhao, Zhe Zhang, Shengbin Li, Shuai Cheng Li
Published by the Combined DNA Index System (CODIS) program of the Federal Bureau of Investigation (FBI) in 1997, the 13 core short tandem repeat (STR) loci are widely adopted as genetic markers in forensic applications, e.g., identity testing and paternity testing. However, these loci may be biased and suffer from reduced sensitivities towards specific population groups. In addition, the rapid growth of entries in forensic databases raises the chance of random hits, which can cause false recognitions of criminal suspects...
June 7, 2017: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28600076/the-contribution-and-limits-of-clinical-specimens-for-the-screening-of-intestinal-multidrug-resistant-bacteria-in-view-of-laboratory-automation
#16
Geraud De Galassus Alix, Florence Cizeau, Aurélie Agathine, Cecilia Domrane, David Ducellier, Vincent Fihman, Jean-Winoc Decousser
The detection of multidrug-resistant bacteria carriers constitutes a race against time for infection preventionists. Alongside standard analysis for diagnosis purposes and rectal screening strategy, we tested a heavy-loaded selective method against 562 clinical specimens from 439 patients to detect extended-spectrum beta-lactamase-producing (ESBL) or carbapenemase-producing Enterobacteriaceae (CPE) and vancomycin-resistant enterococci (VRE). Our approach identified five more specimens positive for ESBL-producing Enterobacteriaceae than standard analysis, and 6 out of 9 known VRE/CPE carriers (three new CPE/VRE strains were also identified in this cohort)...
June 6, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28599659/zika-vector-transmission-risk-in-temperate-australia-a-vector-competence-study
#17
Jean-Bernard Duchemin, Peter T Mee, Stacey E Lynch, Ravikiran Vedururu, Lee Trinidad, Prasad Paradkar
BACKGROUND: Zika virus is an emerging pathogen of global importance. It has been responsible for recent outbreaks in the Americas and in the Pacific region. This study assessed five different mosquito species from the temperate climatic zone in Australia and included Aedes albopictus as a potentially invasive species. METHODS: Mosquitoes were orally challenged by membrane feeding with Zika virus strain of Cambodia 2010 origin, belonging to the Asian clade. Virus infection and dissemination were assessed by quantitative PCR on midgut and carcass after dissection...
June 9, 2017: Virology Journal
https://www.readbyqxmd.com/read/28598143/composite-polymer-electrolytes-with-li7la3zr2o12-garnet-type-nanowires-as-ceramic-fillers-mechanism-of-conductivity-enhancement-and-role-of-doping-and-morphology
#18
Ting Yang, Jin Zheng, Qian Cheng, Yan Yan Hu, Candace K Chan
Composite polymer solid electrolytes (CPEs) containing ceramic fillers embedded inside a polymer-salt matrix show great improvements in Li+ ionic conductivity compared to the polymer electrolyte alone. Lithium lanthanum zirconate (Li7La3Zr2O12, LLZO) with garnet-type crystal structure is a promising solid Li+ conductor. We show that by incorporating only 5 wt% of ceramic filler comprising undoped, cubic-phase LLZO nanowires prepared by electrospinning, the room temperature ionic conductivity of a polyacrylonitrile-LiClO4-based composite is increased 3 orders of magnitude to 1...
June 9, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28593371/design-of-a-novel-electrochemical-biosensor-based-on-intramolecular-g-quadruplex-dna-for-selective-determination-of-lead-ii-ions
#19
Maryam Ebrahimi, Jahan Bakhsh Raoof, Reza Ojani
An electrochemical DNA biosensor based on a G-quadruplex (G4) for the sensitive determination of Pb(2+) was reported using a carbon paste electrode (CPE) or a multi-walled carbon nanotube paste electrode (MWCNTPE) as working electrodes, ethyl green (EG) as a new G4 intercalator, and a single-stranded nucleic acid sequence rich in guanine (G) as DNA probe. Electrochemical determination of Pb(2+) relied on probe structural changes from single - stranded to the stabilized intramolecular G4 in the presence of Pb(2+), which caused a change in the current of the EG reduction peak due to the intercalation of EG into the G4 structure...
June 7, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28566703/astronomical-age-constraints-and-extinction-mechanisms-of-the-late-triassic-carnian-crisis
#20
Charlotte S Miller, Francien Peterse, Anne-Christine da Silva, Viktória Baranyi, Gert J Reichart, Wolfram M Kürschner
The geological record contains evidence for numerous pronounced perturbations in the global carbon cycle, some of which are associated with mass extinction. In the Carnian (Late Triassic), evidence from sedimentology and fossil pollen points to a significant change in climate, resulting in biotic turnover, during a time termed the 'Carnian Pluvial Episode' (CPE). Evidence from the marine realm suggests a causal relationship between the CPE, a global 'wet' period, and the injection of light carbon into the atmosphere...
May 31, 2017: Scientific Reports
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