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https://www.readbyqxmd.com/read/29782216/carbapenemase-producing-carbapenem-resistant-enterobacteriaceae-from-bangkok-thailand-and-their-detection-by-the-carba-np-and-modified-carbapenem-inactivation-method-tests
#1
Warawut Laolerd, Yukihiro Akeda, Likit Preeyanon, Panan Ratthawongjirakul, Pitak Santanirand
AIM: The purpose of the study was to determine the epidemiology of carbapenemase genes among carbapenem-resistant Enterobacteriaceae and evaluate the Carba NP and modified carbapenem inactivation method (mCIM) tests in their detection. MATERIALS AND METHODS: A total of 287 nonduplicated Enterobacteriaceae isolates, which were at least resistant to one of the carbapenems, were identified and detected for carbapenemase genes by multiplex PCR covering blaKPC , blaNDM , blaVIM , blaIMP , and blaOXA-48-like ...
May 21, 2018: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/29782210/colonization-with-enterobacteriaceae-producing-esbls-ampcs-and-oxa-48-in-wild-avian-species-spain-2015-2016
#2
Jesús Oteo, Aida Mencía, Verónica Bautista, Natalia Pastor, Noelia Lara, Fernando González-González, Francisco Javier García-Peña, José Campos
Antibiotic resistance is a global threat of complex and changeable epidemiology. The role of wild birds in the dissemination of antibacterial resistance might be underestimated. We studied the cloacal colonization by cefotaxime-resistant Enterobacteriaceae in 668 wild birds in Spain. Eighty-eight wild birds (13.2%) of 28 species carried cefotaxime-resistant isolates; 58 of them (8.7%) carried extended-spectrum β-lactamases (ESBLs) and 15 (2.5%) plasmid-mediated AmpCs of the blaCIT family. The 58 ESBLs belonged to the CTX-M-1 group (63...
May 21, 2018: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/29780364/antibacterial-efficacy-of-polysaccharide-capped-silver-nanoparticles-is-not-compromised-by-acrab-tolc-efflux-pump
#3
Mitali Mishra, Satish Kumar, Rakesh K Majhi, Luna Goswami, Chandan Goswami, Harapriya Mohapatra
Antibacterial therapy is of paramount importance in treatment of several acute and chronic infectious diseases caused by pathogens. Over the years extensive use and misuse of antimicrobial agents has led to emergence of multidrug resistant (MDR) and extensive drug resistant (XDR) pathogens. This drastic escalation in resistant phenotype has limited the efficacy of available therapeutic options. Thus, the need of the hour is to look for alternative therapeutic approaches to mitigate healthcare concerns caused due to MDR bacterial infections...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29778190/emergence-of-the-colistin-resistance-gene-mcr-1-and-its-variant-in-several-uncommon-species-of-enterobacteriaceae-from-commercial-poultry-farm-surrounding-environments
#4
Xiaoming Wang, Yao Wang, Yang Wang, Suxia Zhang, Zhangqi Shen, Shaolin Wang
The colistin resistance gene mcr-1 has been detected in multiple members of Enterobacteriaceae family. Here, we report the emergence of mcr-1 in Providencia alcalifaciens and a mcr-1 variant, named mcr-1.3, in Raoultella planticola. Both of the mcr-1-carrying plasmids in these two isolates belong to IncI2 type of plasmids, but they are different in sizes and genetic characteristics. We also detected the mcr-1 gene in one Enterobacter cloacae isolate, however, the mcr-1-carrying plasmid is distinct from the previous reports...
June 2018: Veterinary Microbiology
https://www.readbyqxmd.com/read/29762763/yeasts-isolated-from-cloacal-swabs-feces-and-eggs-of-laying-hens
#5
Claudia Cafarchia, Roberta Iatta, Patrizia Danesi, Antonio Camarda, Gioia Capelli, Domenico Otranto
Domestic and wild birds may act as carriers of human pathogenic fungi, although the role of laying hens in spreading yeasts has never been investigated. We evaluated the presence of yeasts in the cloaca (Group I, n = 364), feces (Group II, n = 96), and eggs (Group III, n = 270) of laying hens. The occurrence and the population size of yeasts on the eggshell, as well as in the yolks and albumens, were assessed at the oviposition time and during storage of eggs at 22 ± 1°C and 4 ± 1°C. A statistically higher prevalence and population size of yeasts were recorded in Group I (49...
May 11, 2018: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/29753261/removal-enactment-of-organo-phosphorous-pesticide-using-bacteria-isolated-from-domestic-sewage
#6
Md Shabbir, Mukesh Singh, Swati Maiti, Sunil Kumar, Samar K Saha
Three bacteria (MS I, II and III) i.e., Pseudomonas aeruginosa (KY781886), Enterobactor ludwigii (KX881423) and Enterobacter cloacae (KX881513) isolated from domestic sewage were identified on the basis of 16S rDNA sequencing and are capable to growth in the presence of organo-phosphorous pesticide (chlorpyrifos). The mega plasmid size >23 kb was found in MS I and III. Biosurfactants of the significant amount were produced by three isolates. The ability of the isolates to degrade pesticide over 3 days in the presence of pesticides containing chlorpyrifos as the active component was estimated...
May 1, 2018: Bioresource Technology
https://www.readbyqxmd.com/read/29750595/long-term-low-frequency-cluster-of-a-german-imipenemase-1-producing-enterobacter-hormaechei-ssp-steigerwaltii-st89-in-a-tertiary-care-hospital-in-germany
#7
Andreas F Wendel, Sebastian Meyer, René Deenen, Karl Köhrer, Susanne Kolbe-Busch, Klaus Pfeffer, Matthias Willmann, Achim J Kaasch, Colin R MacKenzie
Enterobacter cloacae complex is a common cause of hospital outbreaks. A retrospective and prospective molecular analysis of carbapenem-resistant clinical isolates in a tertiary care center demonstrated an outbreak of a German-imipenemase-1 (GIM-1) metallo-beta-lactamase-producing Enterobacter hormaechei ssp. steigerwaltii affecting 23 patients between 2009 and 2016. Thirty-three isolates were sequence type 89 by conventional multilocus sequence typing (MLST) and displayed a maximum difference of 49 out of 3,643 targets in the ad-hoc core-genome MLST (cgMLST) scheme (SeqSphere+ software; Ridom, Münster, Germany)...
May 11, 2018: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/29741076/monitoring-of-hospital-acquired-pneumonia-in-patients-with-severe-brain-injury-on-first-access-to-intensive-neurological-rehabilitation-first-year-of-observation
#8
Gianfranco Beghi, Antonio De Tanti, Paolo Serafini, Chiara Bertolino, Antonietta Celentano, Graziella Taormina
Nosocomial or hospital acquired pneumonia (HAP) is an illness contracted during a hospital stay, generally with onset 48 hours or more after admission to hospital, or within 14 days of discharge from hospital. HAP is divided into subgroups: Ventilator-associated pneumonia (VAP), accounting for 86% of hospital acquired pneumonia, and stroke-associated pneumonia (SAP). The incidence of SAP in neurological intensive care units (NICUs) is 4.1-56.6%, in medical intensive care units (MICUs) it is 17-50%, in stroke units it is 3...
May 9, 2018: Monaldi Archives for Chest Disease, Archivio Monaldi Per le Malattie del Torace
https://www.readbyqxmd.com/read/29737393/a-highly-active-pantothenate-synthetase-from-corynebacterium-glutamicum-enables-the-production-of-d-pantothenic-acid-with-high-productivity
#9
Fitsum Tigu, Junli Zhang, Guoxia Liu, Zhen Cai, Yin Li
D-Pantothenic acid (vitamin B5 ) has wide applications in the feed, food, chemical, and pharmaceutical industries. Its biological production routes which employ pantothenate synthetase (PS) as the key enzyme are attractive since they avoid the tedious and time-consuming optical resolution process. However, little data is available on the activity and kinetics of this enzyme, hampering the rational selection of an efficient enzyme for the biological production of D-pantothenic acid. In this study, six phylogenetically distant PS-encoding genes, from Escherichia coli, Corynebacterium glutamicum, Bacillus subtilis, Bacillus thuringiensis, Bacillus cereus, and Enterobacter cloacae, were expressed in E...
May 8, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29732559/impact-of-poxb-pta-and-acka-genes-on-mineral-weathering-of-enterobacter-cloacae-s71
#10
Qi Wang, Zhendong Zhang, Ying Zhu, Linyan He, Xiafang Sheng
In this study, biotite weathering behaviors were compared between mineral-weathering bacteria Enterobacter cloacae S71, mutant strains created by the deletion of poxB, pta, and ackA genes involved in acetate formation, and their complemented strains. Compared to strain S71, a decrease in bacterial growth was observed during the early and middle stages for the mutant ΔpoxB and at the middle and later stages for the mutants Δpta and ΔackA. Dissolved Al and Fe concentrations were lower during the early stage for strain ΔpoxB, at the early or middle stage for strain Δpta, and at the middle and later stages and throughout the weathering process for strain ΔackA, compared to strain S71...
May 7, 2018: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/29726697/antibacterial-activity-of-thymus-vulgaris-essential-oil-alone-and-in-combination-with-cefotaxime-against-bla-esbl-producing-multidrug-resistant-enterobacteriaceae-isolates
#11
Qada Benameur, Teresa Gervasi, Vito Pellizzeri, Mária Pľuchtová, Hassiba Tali-Maama, Farida Assaous, Badia Guettou, Kheira Rahal, Daniela Gruľová, Giacomo Dugo, Andreana Marino, Meriem-Hind Ben-Mahdi
The aim was to evaluate the susceptibility of blaESBL producing Enterobacteriaceae to Slovakian Thymus vulgaris essential oil (TVEO) alone and in combination with cefotaxime (CTX). TVEO composition was determined by gas chromatograph-mass spectrometer (GC/MS). Susceptibility to 21 antibiotics was determined by disc diffusion assay. Genes characterization for resistance to β-lactams was accomplished by polymerase chain reaction (PCR). The antibacterial activity was investigated by standard methods. The synergistic interaction was determined by checkerboard test...
May 4, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29726612/experimental-infection-of-h5n1-and-h5n8-highly-pathogenic-avian-influenza-viruses-in-northern-pintail-anas-acuta
#12
J-H Kwon, D-H Lee, D E Swayne, J-Y Noh, S-S Yuk, S Jeong, S-H Lee, C Woo, J-H Shin, C-S Song
The wide geographic spread of Eurasian Goose/Guangdong lineage highly pathogenic avian influenza (HPAI) clade 2.3.4.4 viruses by wild birds is of great concern. In December 2014, an H5N8 HPAI clade 2.3.4.4 Group A (2.3.4.4A) virus was introduced to North America. Long-distance migratory wild aquatic birds between East Asia and North America, such as Northern Pintail (Anas acuta), were strongly suspected of being a source of intercontinental transmission. In this study, we evaluated the pathogenicity, infectivity and transmissibility of an H5N8 HPAI clade 2...
May 4, 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29725275/td-gc-ms-analysis-of-volatile-markers-emitted-from-mono-and-co-cultures-of-enterobacter-cloacae-and-pseudomonas-aeruginosa-in-artificial-sputum
#13
Oluwasola Lawal, Hugo Knobel, Hans Weda, Tamara M E Nijsen, Royston Goodacre, Stephen J Fowler
Introduction: Infections such as ventilator-associated pneumonia (VAP) can be caused by one or more pathogens. Current methods for identifying these pathogenic microbes often require invasive sampling, and can be time consuming, due to the requirement for prolonged cultural enrichment along with selective and differential plating steps. This results in delays in diagnosis which in such critically ill patients can have potentially life-threatening consequences. Therefore, a non-invasive and timely diagnostic method is required...
2018: Metabolomics: Official Journal of the Metabolomic Society
https://www.readbyqxmd.com/read/29718820/characteristics-of-surgical-site-infection-following-colorectal-surgery-in-a-tertiary-center-extended-spectrum-%C3%AE-lactamase-producing-bacteria-culprits-in-disease
#14
Eliana Kalakouti, Constantinos Simillis, Gianluca Pellino, Nabeela Mughal, Oliver Warren, Sarah Mills, Emile Tan, Christos Kontovounisios, Paris P Tekkis
INTRODUCTION: Surgical site infection (SSI) is a well-known complication of colorectal surgery associated with increased morbidity and hospital stay. Antimicrobial prophylaxis can reduce the risk of SSI by as much as 75%. Extended-spectrum β-lactamase (ESBL)-producing pathogens make the successful use of such prophylaxis a challenge and are a real threat to patient care following colorectal surgery. OBJECTIVE: The aim of this study is to report the common characteristics of SSIs after colorectal surgery and to highlight the prevalence, risk factors, and clinical relevance of ESBL infections among these patients in a tertiary center...
December 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/29716812/first-report-of-the-isolation-of-bla-imi-1-producing-colistin-heteroresistant-enterobacter-cloacae-in-japan-september-2016
#15
Norihito Tarumoto, Masahiro Kodana, Noriyuki Watanabe, Jun Sakai, Kazuo Imai, Toshiyuki Yamaguchi, Yoshitada Taji, Yasuhiro Ebihara, Takashi Murakami, Takuya Maeda, Kotaro Mitsutake, Shigefumi Maesaki
The isolation of a carbapenem-resistant Enterobacter cloacae strain harboring the IMI-1 variant of blaIMI-1 carbapenemase points to the worldwide emergence of multidrug resistant bacteria as a potential source of health care infections. In this report, we describe the first isolation of E. cloacae with blaIMI-1 carbapenemase isolated from a Japanese patient in September 2016. The isolate was resistant to carbapenems, levofloxacin, and aminoglycosides, and heteroresistant to colistin but sensitive to fourth-generation cephalosporins...
April 28, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29709404/microbiology-of-french-military-casualties-repatriated-from-overseas-for-an-open-traumatic-injury
#16
S Larréché, A Bousquet, C Soler, C Mac Nab, D de Briel, D Delaune, C Bigaillon, P Pasquier, C Dubost, T Demoures, B Malgras, S Ausset, S de Rudnicki, T Leclerc, B de Loynes, S Bonnet, N Mocellin, C Ficko, R Haus, O Hersan, S Rigal, A Mérens
BACKGROUND: This study aimed to describe the microbiological epidemiology of repatriated French soldiers with an open traumatic injury, and to measure the proportion of multidrug-resistant bacteria (MDRB). METHODS: Retrospective study including all French soldiers repatriated in 2011 and 2012 in Parisian military hospitals for open traumatic injury. Results of clinical samples and MDRB screening were collected. The antibiotic susceptibility was assessed using the agar disk diffusion method...
April 27, 2018: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/29707395/fetal-sirenomelia-associated-with-an-abdominal-cyst-originating-from-a-saccular-cloaca
#17
Yui Kinjo, Hitoshi Masamoto, Hayase Nitta, Tadatsugu Kinjo, Tomoko Tamaki, Naoki Yoshimi, Yoichi Aoki
A 40-year-old pregnant woman presented with a fetal abdominal cyst and oligohydramnios. Color Doppler scan revealed a single blood vessel from the fetal aorta into a single umbilical artery. Severe oligohydramnios limited ultrasonographic evaluation of the fetal lower limbs, kidneys, or bladder. The pregnancy was terminated; the fetus showed fused lower limbs, bulging abdomen, and absent external genitalia and was diagnosed with type III sirenomelia. On autopsy, no normal bladder was observed, but duodenal atresia, anorectal atresia, and right renal agenesis were found...
2018: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29698080/superficial-chronic-ulcerative-dermatitis-scud-in-psittacine-birds-review-of-11-cases-2008-2016
#18
Tariq Abou-Zahr, Daniel Calvo Carrasco, Naomi Shimizu Dvm, Neil A Forbes, Thomas A G Dutton, Fiona Froehlich, Filippo De Bellis
We reviewed 11 cases of superficial chronic ulcerative dermatitis (SCUD) in psittacine birds that presented to an exotic animal practice over an 8-year period. African grey parrots ( Psittacus erithacus) were overrepresented, accounting for 55% of SCUD-affected birds. All affected birds were hand-reared pets and bonded strongly to their owners. In all cases, fungal culture results were negative. The most commonly cultured bacteria were Enterobacter cloacae (27%), followed by Escherichia coli, and Staphylococcus aureus (both 18%)...
March 2018: Journal of Avian Medicine and Surgery
https://www.readbyqxmd.com/read/29694709/identification-of-n-acyl-homoserine-lactone-degrading-bacteria-isolated-from-rainbow-trout-oncorhynchus-mykiss
#19
Somayeh Torabi Delshad, Siyavash Soltanian, Hassan Sharifiyazdi, Masoud Haghkhah, Peter Bossier
AIMS: A variety of pathogens use quorum sensing (QS) to control the expression of their virulence factors. QS interference has hence been proposed as a promising anti-virulence strategy. The specific aim of this study was to isolate bacteria from trout tissue able to degrade N-Acyl Homoserine Lactones (AHL), a QS molecule family. METHODS AND RESULTS: In total 132 isolates were screened for AHL degradation using Chromobacterium violaceum CV026 as a biosensor. Twenty four quorum quenching (QQ) isolates were identified biochemically and characterized using 16S rDNA sequencing...
April 25, 2018: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29691394/replication-and-pathogenic-potential-of-influenza-a-virus-subtypes-h3-h7-and-h15-from-free-range-ducks-in-bangladesh-in-mammals
#20
Rabeh El-Shesheny, Mohammed M Feeroz, Scott Krauss, Peter Vogel, Pamela McKenzie, Richard J Webby, Robert G Webster
Surveillance of wild aquatic birds and free-range domestic ducks in the Tanguar Haor wetlands in Bangladesh has identified influenza virus subtypes H3N6, H7N1, H7N5, H7N9, and H15N9. Molecular characterization of these viruses indicates their contribution to the genesis of new genotypes of H5N1 influenza viruses from clade 2.3.2.1a that are dominant in poultry markets in Bangladesh as well as to the genesis of the highly pathogenic H5N8 virus currently causing disease outbreaks in domestic poultry in Europe and the Middle East...
April 25, 2018: Emerging Microbes & Infections
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