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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
#1
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/28629757/bacterial-biofilm-based-catheter-associated-urinary-tract-infections-causative-pathogens-and-antibiotic-resistance
#2
Nargis Sabir, Aamer Ikram, Gohar Zaman, Luqman Satti, Adeel Gardezi, Abeera Ahmed, Parvez Ahmed
BACKGROUND: We sought to determine the incidence of bacterial biofilm-based catheter-associated urinary tract infections, identify variables affecting biofilm formation, and identify etiologic bacterial pathogens and antibiotic-resistance patterns associated with biofilm-based catheter-associated urinary tract infections (CAUTIs) in our setup. METHODS: Patients who developed at least 2 symptoms of urinary tract infection after at least 2 days of indwelling urinary catheters were included...
June 16, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28626552/a-new-microfluidic-approach-for-the-one-step-capture-amplification-and-label-free-quantification-of-bacteria-from-raw-samples
#3
Iago Pereiro, Amel Bendali, Sanae Tabnaoui, Lucile Alexandre, Jana Srbova, Zuzana Bilkova, Shane Deegan, Lokesh Joshi, Jean-Louis Viovy, Laurent Malaquin, Bruno Dupuy, Stéphanie Descroix
A microfluidic method to specifically capture and detect infectious bacteria based on immunorecognition and proliferative power is presented. It involves a microscale fluidized bed in which magnetic and drag forces are balanced to retain antibody-functionalized superparamagnetic beads in a chamber during sample perfusion. Captured cells are then cultivated in situ by infusing nutritionally-rich medium. The system was validated by the direct one-step detection of Salmonella Typhimurium in undiluted unskimmed milk, without pre-treatment...
February 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28616723/post-operative-strictures-in-anorectal-malformation-trends-over-15%C3%A2-years
#4
Charlotte Holbrook, Devesh Misra, Indre Zaparackaite, Stewart Cleeve
AIM: For decades, paediatric surgeons have employed the standard posterior sagittal anorectoplasty (PSARP) approach to deal with patients with anorectal malformations (ARM). In recent years, we noted an apparent increase in the incidence of anal stricture after surgical repair of ARM following the introduction of laparoscopic pull-through and techniques aiming to preserve the internal sphincter-the internal sphincter sparing approach (ISSA). We decided to analyse our data to find out if these new trends had added to the problem of post-operative strictures...
June 14, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28610058/a-new-species-of-i-aplectana-i-nematoda-cosmocercidae-parasite-of-i-pleurodema-i-i-nebulosum-i-anura-leptodactylidae-from-the-monte-desert-argentina-with-a-key-to-neotropical-species-of-the-genus-i-aplectana-i
#5
Mauricio D Piñeiro Gomez, Cynthya E González, Eduardo A Sanabria
Here we describe a new cosmocercid nematode, Aplectana nebulosa sp. nov., from the small and large intestines of Pleurodema nebulosum (Anura: Leptodactylidae), from the Monte desert of San Juan, Argentina. The new species belongs to the Aplectana group that possesses a gubernaculum and unpaired adcloacal papilla anteriorly to cloaca. It resembles A. membranosa, A. paraelenae and A. travassosi by the presence of four adcloacal papillae, but differs from those species by the following characters: number and arrangement of precloacal papillae; number and arrangement of postcloacal papillae; shape and size of spicules and gubernaculum, and by the presence of lateral alae in caudal region of males...
March 27, 2017: Zootaxa
https://www.readbyqxmd.com/read/28607388/aerobic-biogenesis-of-selenium-nanoparticles-by-enterobacter-cloacae-z0206-as-a-consequence-of-fumarate-reductase-mediated-selenite-reduction
#6
Deguang Song, Xiaoxiao Li, Yuanzhi Cheng, Xiao Xiao, Zeqing Lu, Yizhen Wang, Fengqin Wang
In the present study, we examined the ability of Enterobacter cloacae Z0206 to reduce toxic sodium selenite and mechanism of this process. E. cloacae Z0206 was found to completely reduce up to 10 mM selenite to elemental selenium (Se°) and form selenium nanoparticles (SeNPs) under aerobic conditions. The selenite reducing effector of E. cloacae Z0206 cell was to be a membrane-localized enzyme. iTRAQ proteomic analysis revealed that selenite induced a significant increase in the expression of fumarate reductase...
June 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28607024/population-pharmacokinetics-of-tigecycline-in-critically-ill-patients-with-severe-infections
#7
Jiao Xie, Jason A Roberts, Abdulaziz S Alobaid, Claire Roger, Yan Wang, Qianting Yang, Jinyao Sun, Haiyan Dong, Xue Wang, Jianfeng Xing, Jeffrey Lipman, Yalin Dong
Objectives: We sought to describe the population pharmacokinetics of tigecycline in critically ill patients and describe optimized dosing regimens of tigecycline for different bacterial infections.Methods: This prospective study included ten critically ill patients given a standard dose of tigecycline. Blood samples were collected during one dosing interval and analyzed using validated chromatography. Population pharmacokinetics and Monte Carlo dosing simulations were undertaken using Pmetrics. Three target exposures, ratios of 24h area under the curve to minimum inhibitory concentrations (AUC0-24/MIC), were evaluated (≥17...
June 12, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28605515/fri-2-carbapenemase-producing-enterobacter-cloacae-complex-in-the-uk
#8
Danièle Meunier, Jacqueline Findlay, Michel Doumith, Daniel Godoy, Claire Perry, Rachel Pike, Firza Gronthoud, Theresa Shryane, Laurent Poirel, William Welfare, Neil Woodford, Katie L Hopkins
Objectives: Detection of rarer carbapenemases is challenging, as it requires molecular assays with comprehensive coverage or the use of phenotypic methods for the detection of carbapenemase activity. We describe a new class A carbapenemase, FRI-2, in an Enterobacter cloacae complex isolate following implementation of an in-house multiplex PCR for the detection of 'rare' class A carbapenemases. Methods: MICs were determined by agar dilution. A carbapenem-resistant E...
June 10, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28600447/the-epidemiology-management-and-outcomes-of-bacterial-meningitis-in-infants
#9
Lynda Ouchenir, Christian Renaud, Sarah Khan, Ari Bitnun, Andree-Anne Boisvert, Jane McDonald, Jennifer Bowes, Jason Brophy, Michelle Barton, Joseph Ting, Ashley Roberts, Michael Hawkes, Joan L Robinson
OBJECTIVES: The pathogens that cause bacterial meningitis in infants and their antimicrobial susceptibilities may have changed in this era of increasing antimicrobial resistance, use of conjugated vaccines, and maternal antibiotic prophylaxis for group B Streptococcus (GBS). The objective was to determine the optimal empirical antibiotics for bacterial meningitis in early infancy. METHODS: This was a cohort study of infants <90 days of age with bacterial meningitis at 7 pediatric tertiary care hospitals across Canada in 2013 and 2014...
June 9, 2017: Pediatrics
https://www.readbyqxmd.com/read/28596406/draft-genome-sequences-of-enterobacter-cloacae-strains-caprex-e7-and-caprex-e2-2
#10
Rita E Monson, Joseph Honger, Alison Rawlinson, George P C Salmond
Enterobacter cloacae strains CAPREx E7 and CAPREx E2-2 were isolated from Ghanaian yams at a London market. The draft genome sequences indicate that the two strains are similar, with genomes of 5,042,838 and 5,039,930 bp and 56.19% and 55.05% G+C content, respectively. Both strains encoded three different β-lactamases, including one of the AmpC family.
June 8, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28587869/genetic-and-biochemical-characterisation-of-ctx-m-37-extended-spectrum-%C3%AE-lactamase-from-an-enterobacter-cloacae-clinical-isolate-from-mongolia
#11
Kyungwon Lee, Dongeun Yong, Seok Hoon Jeong, Khosbayar Tulgaa, Jean-Denis Docquier, Gian Maria Rossolini, Yunsop Chong
OBJECTIVES: The aims of this study were to determine the resistance level of a blaCTX-M-37-carrying Enterobacter cloacae isolate from Mongolia, to analyse kinetic parameters of the purified enzyme and to compare the genetic environment of the gene. METHODS: Minimum inhibitory concentrations (MICs) were determined using the Clinical and Laboratory Standards Institute (CLSI) agar dilution method. Purified CTX-M-37 enzyme was used to determined kinetic parameters. The genetic environment of the blaCTX-M-37 gene in E...
June 3, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28586750/microbial-decolorization-and-detoxification-of-emerging-environmental-pollutant-cosmetic-hair-dyes
#12
Swati Maiti, Sudarson Sekhar Sinha, Mukesh Singh
Since the usage of hair dyes has increased in recent time, the removal of residual dye from environment is also an emerging issue. Hair dye contains mixture of chemicals including genotoxic chemical, p-phenylenediamine (p-PD or PPD). The present study reports bioremediation of hair dye using bacteria isolated from saloon effluent. Sugarcane bagasse powder (SBP) was used as a source of nutrient and surface for bacterial growth. The 16S rDNA sequencing confirmed the isolate as Enterobacter cloacae which was designated as DDB I...
May 22, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28583554/enterobacter-cloacae-related-necrotizing-fasciitis-after-peritoneal-dialysis-in-delayed-graft-function-a-case-report
#13
Y-M Choe, K-M Park, Y S Jeon, S G Cho, K C Hong, W Y Shin, J H Song
INTRODUCTION: Necrotizing fasciitis is an uncommon soft-tissue infection that involves the superficial fascia, subcutaneous fat, and deep fascia. Herein, we report the first case of Enterobacter cloacae-related necrotizing fasciitis after peritoneal dialysis in delayed graft function. CASE: A 58-year-old man, who was a hepatitis B-viral carrier and had atrial fibrillation, received cadaveric renal transplantation with peritoneal dialysis and encountered delayed graft function...
June 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28578873/mechanism-informed-refinement-reveals-altered-substrate-binding-mode-for-catalytically-competent-nitroreductase
#14
Warintra Pitsawong, Chad A Haynes, Ronald L Koder, David W Rodgers, Anne-Frances Miller
Nitroreductase (NR) from Enterobacter cloacae reduces diverse nitroaromatics including herbicides, explosives, and prodrugs, and holds promise for bioremediation, prodrug activation, and enzyme-assisted synthesis. We solved crystal structures of NR complexes with bound substrate or analog for each of its two half-reactions. We complemented these with kinetic isotope effect (KIE) measurements elucidating H-transfer steps essential to each half-reaction. KIEs indicate hydride transfer from NADH to the flavin consistent with our structure of NR with the NADH analog nicotinic acid adenine dinucleotide (NAAD)...
May 30, 2017: Structure
https://www.readbyqxmd.com/read/28571981/outbreak-of-ctx-m-15-producing-enterobacter-cloacae-associated-with-therapeutic-beds-and-syphons-in-an-intensive-care-unit
#15
A Bousquet, N van der Mee-Marquet, C Dubost, C Bigaillon, S Larréché, S Bugier, C Surcouf, S Mérat, H Blanchard, A Mérens
An outbreak of extended-spectrum β-lactamase-producing Enterobacter cloacae (ESBL-ECL) occurred in our intensive care unit (ICU) and involved 18 patients (8 infected and 10 colonized). The mean age of patients was 69 years, and all infected patients had underlying medical conditions. Within hours' recognition of the spread of ESBL-ECL, the infection control team requested for staff education, reinforcement of infection control measures, and environmental screening. New transmissions were observed in the institution after weeks of enhanced infection control measures...
May 29, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28567623/molecular-and-functional-characterization-of-myxobacteria-isolated-from-soil-in-india
#16
Shiv Kumar, Arun Kumar Yadav, Priyanka Chambel, Ramandeep Kaur
This study reports the isolation of myxobacteria from soil collected from plains in north India. Based on the morphology and 16S rDNA sequence, the isolated myxobacteria were identified as Corallococcus sp., Pyxidicoccus sp., Myxococcus sp., Cystobacter sp. and Archangium sp. The myxobacteria were functionally characterized to assess their ability to produce antibacterial and anticancer metabolites. The isolates were found to be functionally versatile as they produced extracellular bioactive molecules that exhibited high frequency of activities against Bacillus cereus, Mycobacterium smegmatis, Enterobacter cloacae and Pseudomonas syringae...
June 2017: 3 Biotech
https://www.readbyqxmd.com/read/28559252/occurrence-of-plasmid-and-chromosome-encoded-mcr-1-in-water-borne-enterobacteriaceae-in-china
#17
Hong-Wei Zhou, Ting Zhang, Ji-Hua Ma, Ying Fang, Han-Yu Wang, Zi-Xian Huang, Yang Wang, Congming Wu, Gong-Xiang Chen
The aim of this study was to investigate the prevalence of the polymyxin resistance gene mcr-1 in Enterobacteriaceae from environmental water sources in Hangzhou, China. Colistin-resistant bacteria were isolated from environmental water samples using an enrichment broth culture method and screened for mcr-1, and then analyzed for the location and transferability of mcr-1 Isolates positive for mcr-1 were further examined to determine their susceptibility profiles, and screened for the presence of additional resistance genes...
May 30, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28558347/total-hip-prosthesis-complication-periprosthetic-infection-with-external-fistulizing-due-to-enterobacter-cloacae-complex-multiple-drugs-resistance-a-clinical-case-report
#18
V Amorese, M Corda, M Donadu, D Usai, F Pisanu, F Milia, F Marras, A Sanna, D Delogu, V Mazzarello, G Manzoni, M Conti, G B Meloni, S Zanetti, C Doria
INTRODUCTION: The Enterobacter cloacae is a microorganism found in the intestinal flora of the majority of animals, including humans. Primary infections caused by E. cloacae are rare in immunocompetent patients, but are very common in hospital settings in newborns and immunocompromised patients, and can be aggravated by the insurgence of antibiotic resistance. The incidence of periprosthetic hip infections is just below 2%. CASE PRESENTATION: A 76year old woman with multiple comorbidities underwent surgical implantation of intermediary total hip prosthesis of the left hip, in a different health facility, in February 2014, after the basicervical fracture of the upper femur extremity due to trauma...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28555403/dissemination-of-bla-oxa-370-gene-among-several-enterobacteriaceae-species-in-brazil
#19
C M Magagnin, F P Rozales, L Antochevis, L S Nunes, A S Martins, A L Barth, J M Sampaio, A P Zavascki
OXA-370 is a recently described OXA-48 variant that has only been described in a few Enterobacter spp. and Klebsiella pneumoniae isolates. The purpose of this study is to assess the prevalence of OXA-370-producing isolates in carbapenem-nonsusceptible Enterobacteriaceae recovered from 28 hospitals from Brazil. Real-time PCR was used to determine the presence of bla NDM-1, bla KPC-2, bla VIM-type, bla GES-type, bla OXA-48-like, and bla IMP-type genes. A total of 4,451 Enterobacteriaceae were screened. The gene bla OXA-48-like was detected in 74 (2...
May 30, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28545899/multiple-brain-abscesses-due-to-enterobacter-cloacae-in-an-immune-competent-child
#20
Arushi Gahlot Saini, Vinay Rathore, Chirag Kumar Ahuja, Rajesh Chhabra, Pankaj C Vaidya, Pratibha Singhi
Brain abscesses due to Enterobacteriaceae in immune-competent children are rare, and those due to Enterobacter cloacae are even rarer. We report an interesting case of community-acquired E. cloacae neuroinfection resulting in multiple brain abscesses in a young child with no underlying risk-factors. A 10 year-old-boy presented with low-grade fever, headache, neck pain and progressive deterioration of sensorium. On examination, he was conscious but drowsy with photophobia, normal fundii, meningeal signs, mild hypertonia, brisk muscle stretch reflexes and extensor plantar responses...
May 22, 2017: Journal of Infection and Public Health
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