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https://www.readbyqxmd.com/read/28428984/a-comparison-of-molecular-typing-methods-applied-to-enterobacter-cloacae-complex-hsp60-sequencing-rep-pcr-and-mlst
#1
Roberto A Viau, Lee M Kiedrowski, Barry N Kreiswirth, Mark Adams, Federico Perez, Dror Marchaim, Dubert M Guerrero, Keith S Kaye, Latania K Logan, Maria Virginia Villegas, Robert A Bonomo
Molecular typing using repetitive sequenced-based PCR (rep-PCR) and hsp60 sequencing were applied to a collection of diverse Enterobacter cloacae complex isolates. To determine the most practical method for reference laboratories, we analyzed 71 E. cloacae complex isolates from sporadic and outbreak occurrences originating from 4 geographic areas. While rep-PCR was more discriminating, hsp60 sequencing provided a broader and a more objective geographical tracking method similar to multilocus sequence typing (MLST)...
2017: Pathogens & Immunity
https://www.readbyqxmd.com/read/28419869/allodemic-distribution-of-plasmids-co-harbouring-blactx-m-15-aac-6-ib-cr-qnrb-in-klebsiella-pneumoniae-is-the-main-source-of-extended-spectrum-%C3%AE-lactamases-in-uruguay-s-paediatric-hospital
#2
V Garcia-Fulgueiras, L Araujo, I Bado, N F Cordeiro, M I Mota, G Laguna, G Algorta, R Vignoli
OBJECTIVES: This study aimed to describe the characteristics of clinical isolates of extended-spectrum β-lactamase (ESBL)-producing enterobacteria (EPE) in Uruguay's paediatric hospital. METHODS: ESBLs, qnr alleles and aac(6')-Ib-cr were sought and characterised in EPE isolated between March 2010 and March 2012. Transfer of resistance determinants was assessed by conjugation. Incompatibility (Inc) groups, plasmid toxin-antitoxin systems (TAS) and plasmid size were determined in transconjugants...
April 15, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28418318/carbapenem-resistant-enterobacter-cloacae-in-patients-from-the-us-veterans-health-administration-2006-2015
#3
Brigid M Wilson, Nadim G El Chakhtoura, Sachin Patel, Elie Saade, Curtis J Donskey, Robert A Bonomo, Federico Perez
We analyzed carbapenem-resistant Enterobacteriaceae (CRE) trends among patients from the US Veterans Health Administration (VHA). After the emergence of CRE in the eastern United States, resistance rates remained stable in Klebsiella pneumoniae but increased in Enterobacter cloacae complex, suggesting a "second epidemic". VHA offers a vantage point for monitoring nationwide CRE trends.
May 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28414678/what-the-eyes-don-t-see-the-heart-does-grieve-over
#4
M Sciaudone, M Dery
INTRODUCTION: A 71 year old Peruvian woman presented with blurry vision and bilateral eye pain and had evidence of bilateral endophthalmitis on eye examination. Her past medical history was notable for multiple abdominal surgeries within the preceding months, including an incarcerated inguinal hernia repair which required an ileostomy placement, and cholecystitis requiring cholecystostomy tube placement. Over her multiple long hospitalizations, she developed bacteremia and fungemia on several occasions, with organisms including Enterobacter cloacae, Klebsiella pneumoniae, Bacteroides fragilis, Pseudomonas aeruginosa, Enterococcus faecium, and Candida albicans...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28408336/hospital-acquired-urinary-tract-infections-in-neonatal-icu-patients-is-voiding-cystourethrogram-necessary
#5
Aeen M Asghar, Traci Leong, Christopher S Cooper, Angela M Arlen
OBJECTIVES: To evaluate the radiographic findings of neonatal intensive care unit (NICU) patients diagnosed with hospital-acquired urinary tract infection (UTI). METHODS: Children with no preexisting genitourinary anomalies undergoing a voiding cystourethrogram (VCUG) for culture-documented urinary tract infection (UTI) during NICU admission were identified. Demographics, microbiology results and imaging findings were evaluated. RESULTS: One hundred and forty-seven NICU patients underwent VCUG during the study period...
April 10, 2017: Urology
https://www.readbyqxmd.com/read/28407186/antimicrobial-activity-and-chemical-composition-of-brunfelsia-uniflora-flower-oleoresin-extracted-by-supercritical-carbon-dioxide
#6
L C T Thiesen, E Y Y Sugauara, V Tešević, J Glamočlija, M Soković, J E Gonçalves, Z C Gazim, G A Linde, N B Colauto
Brunfelsia genus is traditionally utilized in popular medicine due to its antibacterial and antifungal properties to name but a few. However, studies on the antimicrobial activity of Brunfelsia uniflora flower oleoresin have not been found yet. This study aimed to evaluate the chemical composition and antimicrobial activity of B. uniflora flower oleoresin obtained by supercritical carbon dioxide. Oleoresin from the plant dried flowers was obtained by carbon dioxide, and the chemical composition was analyzed by gas chromatographic-mass spectrometry...
April 13, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28402541/a-gene-cluster-at-an-unusual-chromosomal-location-responsible-for-the-novel-o-antigen-synthesis-in-escherichia-coli-o62-by-the-abc-transporter-dependent-pathway
#7
Xi Hou, Andrei V Perepelov, Xi Guo, Sof'ya N Senchenkova, Alexander S Shashkov, Bin Liu, Yuriy A Knirel, Lei Wang
The O-antigen is a part of the outer membrane of Gram-negative bacteria and is related to bacterial virulence. It is one of the most variable cell constituents, and its structural diversity is almost entirely due to genetic variation of the O-antigen gene cluster. In this study, the O-antigen structure of Escherichia coli O62 was elucidated by chemical analysis and nuclear magnetic resonance spectroscopy, but showing not consistent with the O-antigen gene cluster between conserved genes galF and gnd reported earlier...
April 10, 2017: Glycobiology
https://www.readbyqxmd.com/read/28400018/reassessment-of-cronobacter-spp-originally-isolated-as-enterobacter-sakazakii-from-infant-food
#8
Ömer Akineden, Vanessa Heinrich, Madeleine Gross, Ewald Usleber
Cronobacter spp. cause infant disease, several cases have been associated with powdered infant formulae (PIF). In the early 2000s, contamination of German PIF with these opportunistic pathogens was quite common. Before 2008, all isolates Cronobacter spp. had been classified as Enterobacter sakazakii, therefore little is known about species diversity within such isolates. Genetic, serologic, and biochemical traits of 80 Cronobacter isolates, originally obtained 2003-2006 within infant food surveys in Germany, were reassessed in this study...
August 2017: Food Microbiology
https://www.readbyqxmd.com/read/28399424/resistance-among-gram-negative-eskape-pathogens-isolated-from-hospitalized-patients-with-intra-abdominal-and-urinary-tract-infections-in-latin-american-countries-smart-2013-2015
#9
James A Karlowsky, Daryl J Hoban, Meredith A Hackel, Sibylle H Lob, Daniel F Sahm
Gram-negative ESKAPE pathogens (Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter species) are important etiologic agents of nosocomial infection that are frequently resistant to broad-spectrum antimicrobial agents. Gram-negative ESKAPE pathogens were collected from hospitalized patients in 11 Latin American countries from 2013 to 2015 as part of the Study for Monitoring Antimicrobial Resistance Trends (SMART) global surveillance program. In total, 2113 isolates from intra-abdominal infections (IAI) and 970 isolates from urinary tract infections (UTI) were tested against antimicrobial agents using standardized CLSI broth microdilution methodology...
April 8, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28394748/microbiologic-data-in-acute-cholecystitis-ten-years-experience-from-bile-cultures-obtained-during-percutaneous-cholecystostomy
#10
Orna Nitzan, Yuri Brodsky, Hana Edelstein, Dan Hershko, Walid Saliba, Yoram Keness, Avi Peretz, Bibiana Chazan
BACKGROUND: The aim of the study was to describe the microbiology and susceptibility patterns in acute cholecystitis by examining bile culture results from patients who underwent percutaneous cholecystostomy and examine concordance with empiric treatment. PATIENTS AND METHODS: A total of 124 patients with acute cholecystitis underwent percutaneous cholecystostomy between 2003 and 2012 at Emek Medical Center, Israel. Data on bile and blood culture results, isolate susceptibility, and clinical outcomes were retrieved from patient files...
April 2017: Surgical Infections
https://www.readbyqxmd.com/read/28393443/delignification-and-enhanced-gas-release-from-soil-containing-lignocellulose-by-treatment-with-bacterial-lignin-degraders
#11
Goran M M Rashid, Maria Jesus Duran-Pena, Rahman Rahmanpour, Devin Sapsford, Timothy D H Bugg
AIMS: The aim of the study was to isolate bacterial lignin-degrading bacteria from municipal solid waste soil, and to investigate whether they could be used to delignify lignocellulose-containing soil, and enhance methane release. METHODS AND RESULTS: A set of 20 bacterial lignin degraders, including 11 new isolates from municipal solid waste soil, were tested for delignification and phenol release in soil containing 1% pine lignocellulose. A group of 7 strains were then tested for enhancement of gas release from soil containing 1% lignocellulose in small-scale column tests...
April 10, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28390961/sequencing-and-comparative-genomics-analysis-of-the-inchi2-plasmids-pt5282-mpha-and-p112298-cata-and-the-inchi5-plasmid-pynkp001-dfra
#12
Quanhui Liang, Zhe Yin, Yachao Zhao, Liqi Liang, Jiao Feng, Zhe Zhan, Hui Wang, Yajun Song, Yigang Tong, Weili Wu, Weijun Chen, Jinglin Wang, Lingxiao Jiang, Dongsheng Zhou
Incompatibility group IncHI plasmids are important vectors of antibiotic resistance in Enterobacteriaceae. In this study, a scheme for typing IncHI into five separately clustering subgroups, including previously designated IncHI1-3 as well as IncHI4-5, was proposed based on sequenced IncHI plasmids. The complete nucleotide sequences of the IncHI2 plasmids pT5282-mphA and p112298-catA and the IncHI5 plasmid pYNKP001-dfrA from clinical Enterobacter cloacae, Citrobacter freundii and Raoultella ornithinolytica isolates, respectively, were determined and were compared with IncHI2 and IncHI5 reference plasmids...
April 5, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28389732/clinical-and-microbiological-features-of-infection-in-alcoholic-hepatitis-an-international-cohort-study
#13
Richard Parker, Gene Im, Fiona Jones, Onan Pérez Hernández, Jonathan Nahas, Aditi Kumar, Daniel Wheatley, Ashish Sinha, Emilio Gonzalez-Reimers, María Sanchez-Pérez, Antonella Ghezzi, Miruna Delia David, Christopher Corbett, Anne McCune, Guruprasad Padur Aithal, Andrew Holt, Stephen Stewart
BACKGROUND: Previous studies have described the clinical impact of infection in alcoholic hepatitis (AH) but none have comprehensively explored the aetiopathogenesis of infection in this setting. We examined the causes, consequences and treatment of infection in a cohort of patients with AH. METHODS: We undertook a retrospective cohort study of patients with AH admitted between 2009 and 2014 to seven centres in Europe and the USA. Clinical and microbiological data were extracted from medical records...
April 7, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28386532/the-draft-genome-sequence-of-the-plant-growth-promoting-rhizospheric-bacterium-enterobacter-cloacae-sbp-8
#14
Rajnish Prakash Singh, Shrayansh Nalwaya, Prabhat Nath Jha
Here, we report the draft genome sequence and annotation of plant growth promoting rhizobacterium Enterobacter cloacae SBP-8 isolated from the rhizosphere of Sorghum bicolor L. growing in desert region of Rajasthan, India. From the genome sequences, we identified the genes encoding plant growth promoting properties such as 1-aminocyclopropane-1-carboxylate deaminase (AcdS), phosphate solubilisation, siderophore, and IAA (indole acetic acid) production. The genes encoding different functions required for colonization including motility, chemotaxis, adherence, and secretion system (I, II, IV, VI) were also identified...
June 2017: Genomics Data
https://www.readbyqxmd.com/read/28385849/draft-genome-sequence-of-a-high-level-colistin-resistant-clinical-strain-of-the-enterobacter-cloacae-complex
#15
Ji Lin, Feifei Zhao, Yu Feng, Zhiyong Zong
Strain WCHECl-C4 of the Enterobacter cloacae complex, recovered from the blood of a patient with peritonitis, was high-level resistant to colistin. Here, we report its 5.1-Mb draft genome sequence, comprising 92 contigs with an average 55.74% G+C content. The genome contained 4,783 coding sequences and 68 tRNA genes.
April 6, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28384882/polymyxin-b-induced-diffuse-cutaneous-hyperpigmentation
#16
Sandeep Lahiry, Shouvik Choudhury, Ayan Mukherjee, Prajesh Kiran Bhunya, Moumita Bala
Polymyxin B is a polypeptide-antibiotic, primarily used for resistant Gram-negative infections, first obtained from bacterium Bacillus polymyxa in the late 1940s. Antibiotic spectrum are restricted to mainly gram negative bacterias like Enterobacter, E. coli, Klebsiella, Salmonella, Pasteurella, Bordetella, Shigella; and particularly organisms like Pseudomonas aeruginosa and Acinetobacter baumannii, which are extremely potent to acquire antibiotic resistance. Side effects include neurotoxicity and acute renal tubular necrosis...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28384626/complete-genome-sequence-of-proteus-mirabilis-phage-ppm_01-isolated-from-raw-sewage
#17
Ira Aryani Wirjon, Nyok-Sean Lau, Yahya Mat Arip
OBJECTIVES: Phage pPM_01 was previously isolated from a raw sewage treatment facility located in Batu Maung, Penang, Malaysia, and it was highly lytic against Proteus mirabilis, which causes urinary tract infections in humans. In this paper, we characterize the biology and complete genome sequence of the phage. METHODS AND RESULTS: Transmission electron microscopy revealed phage pPM_01 to be a siphovirus (the first reported virus to infect P. mirabilis), with its complete genome sequence successfully determined...
April 7, 2017: Intervirology
https://www.readbyqxmd.com/read/28380016/carbapenemase-producing-enterobacteriaceae-recovered-from-a-spanish-river-ecosystem
#18
Núria Piedra-Carrasco, Anna Fàbrega, William Calero-Cáceres, Thais Cornejo-Sánchez, Maryury Brown-Jaque, Alba Mir-Cros, Maite Muniesa, Juan José González-López
The increasing resistance to carbapenems is an alarming threat in the fight against multiresistant bacteria. The dissemination properties of antimicrobial resistance genes are supported by their detection in a diverse population of bacteria, including strains isolated from the environment. The objective of this study was to investigate the presence of carbapenemase-producing Enterobacteriaceae (CPE) collected from a river ecosystem in the Barcelona metropolitan area (Spain). Identification of β-lactamases and other resistance determinants was determined as was the antimicrobial susceptibility profile...
2017: PloS One
https://www.readbyqxmd.com/read/28379925/medically-graded-honey-supplementation-formula-to-preterm-infants-as-a-prebiotic-a-randomized-controlled-trial
#19
Hany Aly, Reem N Said, Iman E Wali, Amany Elwakkad, Yssra Soliman, Alaa Reda Awad, Mahmoud A Shawky, Mohamed A Mohamed
OBJECTIVES: To assess the effect of medically-graded enteral honey supplementation on the intestinal microbiota, immune response, and somatic growth of preterm infants. METHODS: A prospective randomized controlled trial was conducted on preterm infants with gestational age ≤ 34 weeks and postnatal age > 3 days. After reaching 1/2 goal enteral feeds, medically-graded bee honey was added to milk at a dose of 5, 10, 15, and 0 g/day for two weeks in groups A, B, C and D respectively...
April 5, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28379126/-community-acquired-urinary-tract-infections-in-older-adults
#20
Alberto Francisco Leoni, Aida Monterisi, Paula G Acuña
Background Community acquired urinary tract infections (caUTI) in adults are common ailments. Older adults are prone to infectious diseases, diagnosis can be difficult, their etiologic and antimicrobial resistance are poorly known. Objectives To evaluate the incidence discriminated by sex, symptoms, and to determine pathogens and their antimicrobial resistance rate. Methods A retrospective, descriptive and comparative study. We analyze uricultures among 2013 in the Hospital Nacional de Clinicas (Córdoba-Argentina)...
2017: Revista de la Facultad de Ciencias Médicas
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