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https://www.readbyqxmd.com/read/28923608/molecular-characterization-and-phylogenetic-analysis-of-highly-pathogenic-vibrio-alginolyticus-strains-isolated-during-mortality-outbreaks-in-cultured-ruditapes-decussatus-juvenile
#1
Badreddine Mechri, Monastiri Abir, Amel Medhioub, Mohamed Nejib Medhioub, Mahjoub Aouni
In the summer of 2008 and 2009, a series of mortalities in growing out seeds of R. decussatus juveniles were occurred in the eastern Tunisian littoral. Nine predominant bacterial strains were isolated from dead and moribund juveniles and characterized as Vibrio alginolyticus. These isolates were subjected to biochemical and molecular characterization. All the Vibrio strains were tested for their susceptibility against the most widely used antibiotic in aquaculture as well as, the assessment of the presence of erythromycin (emrB) and tetracycline (tetS) resistance genes among the tested bacteria...
September 15, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28922988/erognomic-education-on-housework-for-women-with-upper-limb-repetitive-strain-injury-rsi-a-conceptual-representation-of-therapists-clinical-reasoning
#2
Therma W C Cheung, Lindy Clemson, Kate O' Loughlin, Russell Shuttleworth
BACKGROUND: Ergonomic education in housework that aims to facilitate behavior change is important for women with upper limb repetitive strain injury. Therapists usually conduct such programs based on implicit reasoning. Making this reasoning explicit is important in contributing to the profession's knowledge. AIM: To construct a conceptual representation of how occupational therapists make clinical decisions for such program. METHOD: Based on a constructivist-grounded theory methodology, data were collected through in-depth interviewing with 14 occupational therapists from a major hospital in Singapore...
September 18, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28919942/genome-sequence-of-the-white-rot-fungus-irpex-lacteus-f17-a-type-strain-of-lignin-degrader-fungus
#3
Mengwei Yao, Wenman Li, Zihong Duan, Yinliang Zhang, Rong Jia
Irpex lacteus, a cosmopolitan white-rot fungus, degrades lignin and lignin-derived aromatic compounds. In this study, we report the high-quality draft genome sequence of I. lacteus F17, isolated from a decaying hardwood tree in the vicinity of Hefei, China. The genome is 44,362,654 bp, with a GC content of 49.64% and a total of 10,391 predicted protein-coding genes. In addition, a total of 18 snRNA, 842 tRNA, 15 rRNA operons and 11,710 repetitive sequences were also identified. The genomic data provides insights into the mechanisms of the efficient lignin decomposition of this strain...
2017: Standards in Genomic Sciences
https://www.readbyqxmd.com/read/28919549/the-predominance-of-ethiopian-specific-mycobacterium-tuberculosis-families-and-minimal-contribution-of-mycobacterium-bovis-in-tuberculous-lymphadenitis-patients-in-southwest-ethiopia
#4
Mulualem Tadesse, Gemeda Abebe, Alemayehu Bekele, Mesele Bezabih, Pim de Rijk, Conor J Meehan, Bouke C de Jong, Leen Rigouts
BACKGROUND: Ethiopia has an extremely high rate of extrapulmonary tuberculosis, dominated by tuberculous lymphadenitis (TBLN). However, little is known about Mycobacterium tuberculosis complex (MTBc) lineages responsible for TBLN in Southwest Ethiopia. METHODS: A total of 304 MTBc isolates from TBLN patients in Southwest Ethiopia were genotyped primarily by spoligotyping. Isolates of selected spoligotypes were further analyzed by 15-loci mycobacterial interspersed repetitive unit-variable number tandem repeat (MIRU-VNTR) (n=167) and qPCR-based single nucleotide polymorphism (n=38)...
September 15, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28918154/hot-topic-geographical-distribution-and-strain-diversity-of-lactobacillus-wasatchensis-isolated-from-cheese-with-unwanted-gas-formation
#5
Michele Culumber, Donald J McMahon, Fatih Ortakci, Lauren Montierth, Beatriz Villalba, Jeffery R Broadbent, Craig J Oberg
Lactobacillus wasatchensis, an obligate heterofermentative nonstarter lactic acid bacteria (NSLAB) implicated in causing gas defects in aged cheeses, was originally isolated from an aged Cheddar produced in Logan, Utah. To determine the geographical distribution of this organism, we isolated slow-growing NSLAB from cheeses collected in different regions of the United States, Australia, New Zealand, and Ireland. Seven of the cheeses showed significant gas defects and 12 did not. Nonstarter lactic acid bacteria were isolated from these cheeses on de Man, Rogosa, and Sharpe medium supplemented with ribose, a preferred substrate for Lb...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28915364/nosocomial-multidrug-resistant-klebsiella-pneumoniae-strains-isolated-from-mexico-city-produce-robust-biofilms-on-abiotic-surfaces-but-not-on-human-lung-cells
#6
Martha Lorena Ostria-Hernandez, Karla Cecilia Juárez-de la Rosa, Patricia Arzate-Barbosa, Antonino Lara-Hernández, Fuminori Sakai, J Antonio Ibarra, Graciela Castro-Escarpulli, Jorge E Vidal
BACKGROUND: Klebsiella pneumoniae (Kpn) strains are a leading cause of hospital-acquired infections, including ventilator-associated pneumonia. Resistance to antibiotics, biofilm formation, and the production of certain fimbriae play an important role in the pathogenesis. AIM: We investigated the genetic relatedness, antibiotic resistance, virulence potential, and ability to form biofilms of Kpn strains isolated from hospital-acquired infections (n = 76). Strains were isolated at three major hospitals serving the largest metropolitan urban area in Mexico City, Mexico...
September 15, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28915224/systolic-and-diastolic-left-ventricular-mechanics-during-and-after-resistance-exercise
#7
Eric J Stöhr, Mike Stembridge, Rob Shave, T Jake Samuel, Keeron Stone, Joseph I Esformes
PURPOSE: To improve the current understanding of the impact of resistance exercise on the heart, by examining the acute responses of left ventricular (LV) strain, twist, and untwisting rate ("LV mechanics"). METHODS: LV echocardiographic images were recorded in systole and diastole before, during and immediately after (7-12 s) double-leg press exercise at two intensities (30% and 60% of maximum strength, one-repetition maximum). Speckle tracking analysis generated LV strain, twist, and untwisting rate data...
October 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28902761/care-of-water-polo-players
#8
Jennifer D Stromberg
Water polo is a team sport that combines swimming with overhead throwing and wrestling. This places water polo players at risk for a unique group of illnesses and injuries. In addition to the medical problems and injuries seen in competitive swimmers, water polo players are at risk for a variety of traumatic injuries, including concussions, eye injuries, tympanic membrane perforation, fractures, dislocations, and lacerations. Repetitive overhead throwing also places these athletes at risk for related injuries, such as shoulder problems, including rotator cuff strain and impingement, and elbow problems, such as ulnar collateral ligament injuries, posteromedial impingement, and osteochondritis dissecans of the radial capitellum...
September 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28893357/fluoroquinolone-resistance-in-extended-spectrum-%C3%AE-lactamase-producing-klebsiella-pneumoniae-in-a-japanese-tertiary-hospital-silent-shifting-to-ctx-m-15-producing-k-pneumoniae
#9
Masashi Higashino, Mika Murata, Yoshitomo Morinaga, Norihiko Akamatsu, Junichi Matsuda, Kazuaki Takeda, Norihito Kaku, Kosuke Kosai, Naoki Uno, Hiroo Hasegawa, Katsunori Yanagihara
PURPOSE: Fluoroquinolone resistance (FQ-r) in extended-spectrum β-lactamase (ESBL) producers is an urgent health concern in countries where ESBL-producing K. pneumoniae (ESBL-Kpn) is prevalent. We investigated FQ-r in Japan where ESBL-Kpn is less prevalent. METHODOLOGY: Clinical ESBL-Kpn isolates from 2011 to 2013 were collected in Nagasaki University Hospital. The ESBL genotypes included CTX-M-15, and the mechanisms of FQ-r through plasmid-mediated quinolone resistance (PMQR) and mutations in quinolone resistance-determining regions (QRDRs) were examined...
September 12, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28888816/the-repeat-structure-of-two-paralogous-genes-yersinia-ruckeri-invasin-yrinv-and-a-y-ruckeri-invasin-like-molecule-yrilm-sheds-light-on-the-evolution-of-adhesive-capacities-of-a-fish-pathogen
#10
Agnieszka Wrobel, Claudio Ottoni, Jack C Leo, Snorre Gulla, Dirk Linke
Inverse autotransporters comprise the recently identified type Ve secretion system and are exemplified by intimin from enterohaemorrhagic Escherichia coli and invasin from enteropathogenic Yersiniae. These proteins share a common domain architecture and promote bacterial adhesion to host cells. Here, we identified and characterized two putative inverse autotransporter genes in the fish pathogen Yersinia ruckeri NVH_3758, namely yrInv (for Y. ruckeri invasin) and yrIlm (for Y. ruckeri invasin-like molecule)...
September 6, 2017: Journal of Structural Biology
https://www.readbyqxmd.com/read/28865074/diversity-of-lactic-acid-bacteria-from-miang-a-traditional-fermented-tea-leaf-in-northern-thailand-and-their-tannin-tolerant-ability-in-tea-extract
#11
Siriporn Chaikaew, Sasitorn Baipong, Teruo Sone, Apinun Kanpiengjai, Naradorn Chui-Chai, Kozo Asano, Chartchai Khanongnuch
The microbiota of lactic acid bacteria (LAB) in thirty-five samples of Miang, a traditional fermented tea leaf product, collected from twenty-two different regions of eight provinces in upper northern Thailand was revealed through the culture-dependent technique. A total of 311 presumptive LAB strains were isolated and subjected to clustering analysis based on repetitive genomic element-PCR (rep-PCR) fingerprinting profiles. The majority of the strains belonged to the Lactobacillus genera with an overwhelming predominance of the Lb...
September 2017: Journal of Microbiology / the Microbiological Society of Korea
https://www.readbyqxmd.com/read/28859012/muscle-power-predicts-bone-strength-in-division-ii-athletes
#12
Vanessa R Yingling, Shannon Webb, Cathy Inouye, Jenny O, Jennifer J Sherwood
The relationship between muscle fitness measures and tibial bone strength in collegiate level athletes was investigated. Eighty-six Division II collegiate athletes (age: (18-29 years), height: 1.71 m (.09): mass: 66.7 kg (10.5) 56 female: 30 male) participated in this cross-sectional study. Maximum grip strength (GS), 1 repetition maximum leg press (1RM) and vertical jump peak power (PP) tests were measured. Cortical area (Ct.Ar), cortical bone mineral density (cBMD), moment of inertia (J) and bone strength (polar strength-strain index, SSIp) were measured using peripheral quantitative computed tomography (pQCT) at 50% tibia length...
August 29, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28843807/a-comparative-study-of-procedures-for-binding-of-aflatoxin-m1-to-lactobacillus-rhamnosus-gg
#13
Jean Claude Assaf, Ali Atoui, André El Khoury, Ali Chokr, Nicolas Louka
Several strains of lactic acid bacteria (LAB), frequently used in food fermentation and preservation, have been reported to bind different types of toxins in liquid media. This study was carried out to investigate the effect of different concentrations of Lactobacillus rhamnosus GG (ATCC 53103) to bind aflatoxin M1 (AFM1) in liquid media. AFM1 binding was tested following repetitive washes or filtration procedures in combination with additional treatments such as heating, pipetting, and centrifugation. The mixture of L...
August 6, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/28828338/molecular-epidemiology-survey-of-staphylococcus-aureus-panton-valentine-leukocidin-positive-isolated-from-sanandaj-iran
#14
Abbas Manafi, Mazaher Khodabandehloo, Samaneh Rouhi, Rashid Ramazanzadeh, Babak Shahbazi, Hanar Narenji
BACKGROUND: Staphylococcus aureus strains that are Panton-Valentine leukocidin (PVL) positive cause severe skin and soft tissue infections as well as necrotizing pneumonia. The presence of PVL gene is a marker for methicillin-resistant S. aureus; therefore, survey on prevalence and phylogenetic distribution of PVL is of great importance for public health. The aim of this research was molecular epidemiology survey of S. aureus PVL positive, isolated from two tertiary hospitals of Sanandaj...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28826961/work-related-injuries-of-radiologists-and-possible%C3%A2-ergonomic-solutions-recommendations-from-the-acr-commission-on-human-resources
#15
Gordon Sze, Edward I Bluth, Claire E Bender, Jay R Parikh
Increasingly, radiologists' workplaces revolve around PACS and digital imaging. Use of these technologies can lead to repetitive strain injuries, many of which can be exacerbated by specific features of a radiology practice environment. Ergonomic approaches, such as proper reading room structure, lighting, temperature, noise, and equipment setup, can help decrease the frequency and severity of repetitive strain injuries and improve radiologist productivity. However, ergonomic approaches are complex, include all aspects of the radiology practice environment, and are best implemented along with proper training of the practicing radiologists...
August 12, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28820351/genomic-and-chromatin-features-shaping-meiotic-double-strand-break-formation-and-repair-in-mice
#16
Shintaro Yamada, Seoyoung Kim, Sam E Tischfield, Maria Jasin, Julian Lange, Scott Keeney
The SPO11-generated DNA double-strand breaks (DSBs) that initiate meiotic recombination occur non-randomly across genomes, but mechanisms shaping their distribution and repair remain incompletely understood. Here, we expand on recent studies of nucleotide-resolution DSB maps in mouse spermatocytes. We find that trimethylation of histone H3 lysine 36 around DSB hotspots is highly correlated, both spatially and quantitatively, with trimethylation of H3 lysine 4, consistent with coordinated formation and action of both PRDM9-dependent histone modifications...
August 18, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28813779/dna-profiling-of-leuconostoc-citreum-strains-in-fermented-foods-by-repetitive-element-polymerase-chain-reaction
#17
Jasmine Kaur, Anshul Sharma, Sulhee Lee, Young-Seo Park
To identify and discriminate the bacterial species at the sub-specific level, rep-PCR method is a reliable genomic fingerprinting tool. Fourteen strains of bacteria were isolated from different food sources, identified as Leuconostoc citreum using 16S rRNA gene sequencing and amplified using rep-primers (REP, ERIC, and (GTG)5). Fingerprinting patterns generated band range in between 300-6000 bp with REP, 150-6000bp with ERIC and 200-1700 bp with (GTG)5 primers respectively. In UPGMA dendrogram analysis, 14 strains were clustered into three clades (I, II and III) with all the primers, thus differentiating them at the molecular level...
August 17, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28810996/rhabdomyolysis-after-crawling-military-training
#18
Danit Atias-Varon, Haggai Sherman, Ran Yanovich, Yuval Heled
INTRODUCTION: Rhabdomyolysis is a syndrome characterized by muscle necrosis followed by release of intracellular muscle contents into the circulation. Exertional rhabdomyolysis (ER) occurs in response to nonfamiliar and/or excessive, prolonged, or repetitive exercises, with eccentric characteristics. In military populations, due to the type of intense, all out physical loads, ER is a significant threat, particularly when training under heat stress. However, many other etiologies exist, and clinical presentations vary greatly...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28810248/antibiotic-susceptibility-and-molecular-characterization-of-escherichia-coli-o157-isolates-from-urinary-tract-infections
#19
Zonglan Xie, Ziqiang Dong, Ping Zhu, Lusheng Zhang, Xiaobo Chen, Chuanjiang Dong
BACKGROUND: Escherichia coli O157 is an important food-borne pathogen that can cause diarrhoea, hemorrhagic colitis, and hemolytic uraemic syndrome. Enterobacterial repetitive intergenic consensus sequence PCR (ERIC-PCR) and multilocus sequence typing (MLST) are good methods for molecular typing and the extensive use of antibiotics is a contributing factor to the increasing incidence of antimicrobial-resistant for these strains. OBJECTIVES: The aim of this study was to determine the prevalence, antimicrobial resistance, and genetic diversity of E...
August 16, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28805537/high-prevalence-of-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae-in-wild-fish-from-the-mediterranean-sea-in-algeria
#20
Soumia Brahmi, Abdelaziz Touati, Catherine Dunyach-Remy, Albert Sotto, Alix Pantel, Jean-Philippe Lavigne
AIM: We investigated the prevalence of extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae among wild fish from the coast of Bejaia (Algeria) in the Mediterranean Sea. RESULTS: From March 2012 to August 2013, gut and gill samples of wild fish were screened for the presence of ESBL-producing Enterobacteriaceae. Strains were characterized with regard to antibiotic resistance, β-lactamase content, plasmid-mediated quinolone resistance, aminoglycoside resistance genes, and clonality (repetitive sequence-based polymerase chain reaction profiles and multilocus sequence typing)...
August 14, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
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