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https://www.readbyqxmd.com/read/28197851/toxicity-of-pesticide-tank-mixtures-from-rice-crops-against-telenomus-podisi-ashmead-hymenoptera-platygastridae
#1
J de B Pazini, R A Pasini, M Rakes, F S de Armas, E J Seidel, J F da S Martins, A D Grützmacher
The use of insecticides, herbicides, and fungicides commonly occurs in mixtures in tanks in order to control phytosanitary problems in crops. However, there is no information regarding the effects of these mixtures on non-target organisms associated to the rice agroecosystem. The aim of this study was to know the toxicity of pesticide tank mixtures from rice crops against Telenomus podisi Ashmead (Hymenoptera: Platygastridae). Based on the methods adapted from the International Organisation for Biological and Integrated Control of Noxious Animals and Plants (IOBC), adults of T...
February 14, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28182688/interrupted-time-series-analysis-of-children-s-blood-lead-levels-a-case-study-of-lead-hazard-control-program-in-syracuse-new-york
#2
Liyang Shao, Lianjun Zhang, Zhen Zhen
Children's blood lead concentrations have been closely monitored over the last two decades in the United States. The bio-monitoring surveillance data collected in local agencies reflected the local temporal trends of children's blood lead levels (BLLs). However, the analysis and modeling of the long-term time series of BLLs have rarely been reported. We attempted to quantify the long-term trends of children's BLLs in the city of Syracuse, New York and evaluate the impacts of local lead poisoning prevention programs and Lead Hazard Control Program on reducing the children's BLLs...
2017: PloS One
https://www.readbyqxmd.com/read/28151044/dissemination-of-genes-encoding-aminoglycoside-modifying-enzymes-and-arma-among-enterobacteriaceae-isolates-in-northwest-iran
#3
Reza Ghotaslou, Fatemeh Yeganeh Sefidan, Mohammad Taghi Akhi, Mohammad Asgharzadeh, Yalda Mohammadzadeh Asl
INTRODUCTION: Enzymatic inactivation is one of the most important mechanisms of resistance to aminoglycosides. The aim of this study was to investigate the prevalence of armA and diversity of the genes encoding aminoglycoside-modifying enzymes (AMEs) and their associations with resistance phenotypes in Enterobacteriaceae isolates. METHODS: Three hundred and seven Enterobacteriaceae isolates were collected from five hospitals in northwest Iran. The disk diffusion method for amikacin, gentamicin, tobramycin, kanamycin, and streptomycin, as well as the minimum inhibitory concentration for amikacin, gentamicin, tobramycin, and kanamycin were done for susceptibility testing...
February 2, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28133396/a-comparative-simulation-study-of-ar-1-estimators-in-short-time-series
#4
Tanja Krone, Casper J Albers, Marieke E Timmerman
Various estimators of the autoregressive model exist. We compare their performance in estimating the autocorrelation in short time series. In Study 1, under correct model specification, we compare the frequentist r1 estimator, C-statistic, ordinary least squares estimator (OLS) and maximum likelihood estimator (MLE), and a Bayesian method, considering flat (Bf) and symmetrized reference (Bsr) priors. In a completely crossed experimental design we vary lengths of time series (i.e., T = 10, 25, 40, 50 and 100) and autocorrelation (from -0...
2017: Quality & Quantity
https://www.readbyqxmd.com/read/28130496/induction-of-il21-in-peripheral-t-follicular-helper-cells-is-an-indicator-of-influenza-vaccine-response-in-a-previously-vaccinated-hiv-infected-pediatric-cohort
#5
Lesley R de Armas, Nicola Cotugno, Suresh Pallikkuth, Li Pan, Stefano Rinaldi, M Celeste Sanchez, Louis Gonzalez, Alberto Cagigi, Paolo Rossi, Paolo Palma, Savita Pahwa
HIV-infected patients of all ages frequently underperform in response to seasonal influenza vaccination, despite virologic control of HIV. The molecular mechanisms governing this impairment, as well as predictive biomarkers for responsiveness, remain unknown. This study was performed in samples obtained prevaccination (T0) from HIV-infected children who received the 2012-2013 seasonal influenza vaccine. Response status was determined based on established criterion for hemagglutination inhibition titer; participants with a hemagglutination titer ≥1:40 plus a ≥4-fold increase over T0 at 3 wk postvaccination were designated as responders...
January 27, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28101158/prevalence-of-carbapenemases-among-high-level-aminoglycoside-resistant-acinetobacter-baumannii-isolates-in-a-university-hospital-in-china
#6
Yanhong Wang, Min Shen, Jingni Yang, Min Dai, Yaowen Chang, Chi Zhang, Guangxin Luan, Baodong Ling, Xu Jia
The prevalence of aminoglycoside resistant enzymes has previously been reported and extended-spectrum β-lactamase among Acinetobacter baumannii. To track the risk of multidrug-resistant A. baumannii, the present study aimed to determine the prevalence of carbapenemases in high-level aminoglycoside resistant A. baumannii over two years. A total of 118 strains of A. baumannii were consecutively collected in the First Affiliated Hospital of Chengdu Medical College, Chengdu, China. These isolates were investigated on the genetic basis of their resistance to aminoglycosides...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28097611/assessing-nitrous-oxide-effect-using-electroencephalographically-based-depth-of-anesthesia-measures-cortical-state-and-cortical-input
#7
Levin Kuhlmann, David T J Liley
Existing electroencephalography (EEG) based depth of anesthesia monitors cannot reliably track sedative or anesthetic states during n-methyl-D-aspartate (NMDA) receptor antagonist based anesthesia with ketamine or nitrous oxide (N2O). Here, a physiologically-motivated depth of anesthesia monitoring algorithm based on autoregressive-moving-average (ARMA) modeling and derivative measures of interest, Cortical State (CS) and Cortical Input (CI), is retrospectively applied in an exploratory manner to the NMDA receptor antagonist N2O, an adjuvant anesthetic gas used in clinical practice...
January 17, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28073968/variants-of-abgri3-carrying-the-arma-gene-in-extensively-antibiotic-resistant-acinetobacter-baumannii-from-singapore
#8
Grace A Blackwell, Kathryn E Holt, Stephen D Bentley, Li Yang Hsu, Ruth M Hall
OBJECTIVES: To investigate the context of the ribosomal RNA methyltransferase gene armA in carbapenem-resistant global clone 2 (GC2) Acinetobacter baumannii isolates from Singapore. METHODS: Antibiotic resistance was determined using disc diffusion; PCR was used to identify resistance genes. Whole genome sequences were determined and contigs were assembled and ordered using PCR. Resistance regions in unsequenced isolates were mapped. RESULTS: Fifteen GC2 A...
January 10, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28073962/a-case-of-multiple-contamination-with-methylase-arma-producing-pathogens
#9
F Janvier, M-P Otto, T Jové, A Mille, C Contargyris, E Meaudre, P Brisou, P Plésiat, K Jeannot
No abstract text is available yet for this article.
September 28, 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28068371/in-vitro-assessment-of-the-probiotic-potential-of-lactococcus-lactis-lmg-7930-against-ruminant-mastitis-causing-pathogens
#10
Federica Armas, Cristina Camperio, Cinzia Marianelli
Mastitis in dairy ruminants is considered to be the most expensive disease to farmers worldwide. Recently, the intramammary infusion of lactic acid bacteria has emerged as a potential new alternative to antibiotics for preventing and treating bovine mastitis. In this study we have investigated in vitro the probiotic potential of Lactococcus lactis LMG 7930, a food-grade and nisin-producing strain, against mastitis-causing pathogens. We have characterized its carbohydrate fermentation and antibiotic susceptibility profiles, cell surface properties and antimicrobial activity, as well as its capabilities to adhere to and inhibit the invasion of pathogens into the bovine mammary epithelial cell line BME-UV1d...
2017: PloS One
https://www.readbyqxmd.com/read/28032448/hla-dqa1-and-hla-dqb1-allele-diversity-and-its-extended-haplotypes-in-madeira-island-portugal
#11
H Spínola, A Lemos, A R Couto, B Parreira, M Soares, I Dutra, J Bruges-Armas, A Brehm
This study shows, for the first time, high-resolution allele frequencies of HLA-DQA1 loci in Madeira Island (Portugal) and allows us to better understand and refine present knowledge on DQB1 variation, with the identification of several alleles not previously reported in this population. Estimates on haplotype profile, involving HLA-A, HLA-B, HLA-DRB1, HLA-DQA1 and HLA-DQB1, are also reported.
December 29, 2016: International Journal of Immunogenetics
https://www.readbyqxmd.com/read/27982324/pediatric-vascular-trauma-in-manaus-amazon-brazil
#12
Cleinaldo DE Almeida Costa, José Emerson Dos Santos Souza, Antônio Oliveira DE Araújo, Flávio Augusto Oliva Melo, Isabelle Nascimento Costa, Paulo Henrique Klein
Objective: to assess the incidence of pediatric vascular injuries in patients treated at the Emergency Room of the Eastern Children's Hospital, in Manaus. Methods: we conducted a retrospective study of pediatric patients who suffered vascular injuries treated between February 2001 to February 2012. Results: we studied 71 patients, predominantly male (78.87%), with a mean age of 7.63 years. The predominant mechanism of injury was stab wound in 27 patients (38...
September 2016: Revista do Colégio Brasileiro de Cirurgiões
https://www.readbyqxmd.com/read/27979502/digital-pcr-quantification-of-mir-30c-and-mir-181a-as-serum-biomarkers-for-duchenne-muscular-dystrophy
#13
Monica Llano-Diez, Carlos Ignacio Ortez, Judit Armas Gay, Lidia Álvarez-Cabado, Cristina Jou, Julita Medina, Andres Nascimento, Cecilia Jimenez-Mallebrera
Circulating microRNAs (miRs/miRNAs) are being used as non-invasive biomarkers for diagnosis, prognosis and efficiency of clinical trials. However, to exploit their potential it is necessary to improve and standardize their detection. In a previous study, we identified two microRNAs, miR-30c and miR-181a, that appear to be key regulators of muscular dystrophy. We hypothesized that they could represent useful biomarkers of Duchenne and Becker muscular dystrophies (DMD and BMD). The objective of this study was to assess the absolute levels of miR-30c and miR-181a in sera of DMD and BMD patients using digital PCR (a robust technique for precise and direct quantification of small amounts of nucleic acids without standard curves and external references), and investigate the correlation between miR-30c and miR-181a expressions and several clinical parameters...
November 11, 2016: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/27973494/instantaneous-frequency-measurement-of-dissipative-soliton-resonant-light-pulses
#14
C Cuadrado-Laborde, I Armas-Rivera, A Carrascosa, E A Kuzin, G Beltrán-Pérez, A Díez, M V Andrés
We measured the instantaneous frequency profile of two different dissipative soliton resonant (DSR) light pulses, the usual flat-top and less-common trapezoid-shaped light pulses. The DSR light pulses were provided by an ytterbium-doped polarization-maintaining fiber ring passively mode-locked laser using the adequately selected amount of net-normal dispersion. We confirmed that the DSR light pulses have a (moderately) low linear chirp across the pulse, except at the edges, where the chirp changes exponentially...
December 15, 2016: Optics Letters
https://www.readbyqxmd.com/read/27936012/sugarcane-transcriptome-analysis-in-response-to-infection-caused-by-acidovorax-avenae-subsp-avenae
#15
Ailton B Santa Brigida, Cristian A Rojas, Clícia Grativol, Elvismary M de Armas, Júlio O P Entenza, Flávia Thiebaut, Marcelo de F Lima, Laurent Farrinelli, Adriana S Hemerly, Sérgio Lifschitz, Paulo C G Ferreira
Sugarcane is an important tropical crop mainly cultivated to produce ethanol and sugar. Crop productivity is negatively affected by Acidovorax avenae subsp avenae (Aaa), which causes the red stripe disease. Little is known about the molecular mechanisms triggered in response to the infection. We have investigated the molecular mechanism activated in sugarcane using a RNA-seq approach. We have produced a de novo transcriptome assembly (TR7) from sugarcane RNA-seq libraries submitted to drought and infection with Aaa...
2016: PloS One
https://www.readbyqxmd.com/read/27922273/prenatal-diagnosis-of-foetal-labial-fusion
#16
Maria Laseca Modrego, Raquel Garcia Rodriguez, Marta Armas Roca, Raquel Garcia Delgado, Azahar Romero Requejo, Margarita Medina Castellano, Jose Angel Garcia Hernandez
No abstract text is available yet for this article.
December 6, 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27902383/detection-of-isaba1-in-association-with-a-novel-allelic-variant-of-the-%C3%AE-lactamase-adc-82-and-class-d-%C3%AE-lactamase-genes-mediating-carbapenem-resistance-among-the-clinical-isolates-of-mdr-a-baumannii
#17
Rajagopalan Saranathan, Rinki Kumari, Ramakrishnan Kalaivani, Sah Suresh, Anshu Rani, Shashikala Purty, Prashanth K
The objective of the present study is to investigate the diverse resistance determinants, their association with IS mobile elements and predilection of a particular clone for such associations in A. baumannii. Fifty-four consecutive isolates collected during 2011-2012 from a tertiary care hospital were subjected to susceptibility testing followed by PCR screening of commonly reported β-lactamases and 16S rRNA methyl transferase encoding genes. The integrity of RND efflux pump related genes in their respective operons was also investigated...
November 25, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27889248/comprehensive-study-to-investigate-the-role-of-various-aminoglycoside-resistance-mechanisms-in-clinical-isolates-of-acinetobacter-baumannii
#18
Vajihe Sheikhalizadeh, Alka Hasani, Mohammad Ahangarzadeh Rezaee, Mohammad Rahmati-Yamchi, Akbar Hasani, Reza Ghotaslou, Hamid Reza Goli
Therapeutic resistance towards most of the current treatment regime by Acinetobacter baumannii has reduced the prescribing antibiotic pattern and option is being re-shifted towards more toxic agents including aminoglycosides. The present investigation aimed at to study various mechanisms towards aminoglycoside non-susceptibility in clinical isolates of A. baumannii. The bacteria were subjected to genetic basis assessment for the presence of aminoglycoside modifying enzymes (AME), 16S rRNA methylase encoding genes and relative expression of AdeABC and AbeM efflux pumps in relation to their susceptibility to five aminoglycosides...
February 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/27885285/emergence-of-aminoglycoside-resistance-due-to-arma-methylase-in-multi-drug-resistant-acinetobacter-baumannii-isolates-in-a-university-hospital-in-nepal
#19
S Shrestha, T Tada, B Shrestha, T Kirikae, H Ohara, B P Rijal, B M Pokhrel, J B Sherchand
BACKGROUND: The emergence of multidrug-resistant Acinetobacter baumannii associated with hospital-acquired infections has been increasingly reported worldwide. 16S rRNA methylase producing Gram-negative bacteria are highly resistant to all clinically important aminoglycosides. We analyzed A. baumannii clinical isolates resistant to aminoglycosides from hospitalized patients. The objective of this study was to investigate the emergence of armA in A.baumannii species associated with nosocomial infection in a university hospital in Nepal...
May 2016: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/27882147/molecular-profiling-of-a-simple-rat-model-of-open-tibial-fractures-with-hematoma-and-periosteum-disruption
#20
Jose Rafael Villafan-Bernal, Lorenzo Franco-De La Torre, Ana Soledad Sandoval-Rodriguez, Juan Armendariz-Borunda, Juan Luis Alcala-Zermeno, Jose Alfonso Cruz-Ramos, Gabriela Lopez-Armas, Blanca Estela Ramirez-Bastidas, Gracia Viviana González-Enríquez, Emerson Armando Collazo-Guzman, Raigam Jafet Martinez-Portilla, Sergio Sánchez-Enríquez
Bone fractures are a worldwide public health concern. Therefore, improving understanding of the bone healing process at a molecular level, which could lead to the discovery of potential therapeutic targets, is important. In the present study, a model of open tibial fractures with hematoma disruption, periosteal rupture and internal fixation in 6-month-old male Wistar rats was established, in order to identify expression patterns of key genes and their protein products throughout the bone healing process. A tibial shaft fracture was produced using the three-point bending technique, the hematoma was drained through a 4-mm incision on the medial aspect of the tibia and the fracture stabilized by inserting a needle into the medullary canal...
November 2016: Experimental and Therapeutic Medicine
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