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https://www.readbyqxmd.com/read/28516225/a-case-of-bilateral-keratitis-caused-by-providencia-alcalifaciens-a-rarely-encountered-ocular-pathogen
#1
Won Choi, Yong Sok Ji, Kyung Chul Yoon
PURPOSE: To report a case of keratitis caused by Providencia alcalifaciens. METHODS: A 70-year-old man presented with pain, redness, and decreased vision in both of his eyes. On initial presentation, the visual acuity in both of his eyes was hand motion, and slit lamp examination showed diffuse infiltrates and total epithelial defects of the cornea, conjunctival hyperemia, and severe anterior chamber reactions with 2-mm-height hypopyon. The results of laboratory studies revealed elevated liver function tests, which indicated the presence of alcoholic liver disease...
May 17, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28455368/is-it-time-to-loosen-the-restrictions-on-athletes-with-cardiac-disorders-competing-in-sport
#2
EDITORIAL
Rui Providência, Carina Teixeira, Oliver Segal, Augustus Ullstein, Kim T Mueser, Pier Lambiase
No abstract text is available yet for this article.
April 28, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28450516/genome-sequence-of-a-providencia-stuartii-strain-isolated-from-luciliasericata-salivary-glands
#3
Ye Yuan, Yu Zhang, Shuhua Fu, Tawni L Crippen, David K Visi, M Eric Benbow, Michael S Allen, Jeffery K Tomberlin, Sing-Hoi Sze, Aaron M Tarone
We present here the draft genome sequence of a Providencia stuartii strain, derived from the salivary glands of larval Lucilia sericata, a common blow fly important to forensic, medical, and veterinary science. The genome sequence will help dissect coinfections involving P. stuartii and Proteus mirabilis, as well as blow fly-bacteria interactions.
April 27, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28444174/catheter-ablation-for-ventricular-tachycardia-in-patients-with-cardiac-sarcoidosis-a-systematic-review
#4
Nikolaos Papageorgiou, Rui Providência, Konstantinos Bronis, Dirk G Dechering, Neil Srinivasan, Lars Eckardt, Pier D Lambiase
Aims: Cardiac sarcoidosis (CS) is associated with a poor prognosis. Important features of CS include heart failure, conduction abnormalities, and ventricular arrhythmias. Ventricular tachycardia (VT) is often refractory to antiarrhythmic drugs (AAD) and immunosuppression. Catheter ablation has emerged as a treatment option for recurrent VT. However, data on the efficacy and outcomes of VT ablation in this context are sparse. Methods and results: A systematic search was performed on PubMed, EMBASE, and Cochrane database (from inception to September 2016) with included studies providing a minimum of information on CS patients undergoing VT ablation: age, gender, VT cycle length, CS diagnosis criteria, and baseline medications...
April 21, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28408651/disease-severity-and-exercise-testing-reduce-subcutaneous-implantable-cardioverter-defibrillator-left-sternal-ecg-screening-success-in-hypertrophic-cardiomyopathy
#5
Neil T Srinivasan, Kiran H Patel, Kashif Qamar, Amy Taylor, Marco Bacà, Rui Providência, Maria Tome-Esteban, Perry M Elliott, Pier D Lambiase
BACKGROUND: The features of the hypertrophic cardiomyopathy (HCM) ECG make it a challenge for subcutaneous implantable cardioverter-defibrillator (S-ICD) screening. We aimed to investigate the causes of screening failure at rest and on exercise to inform optimal S-ICD ECG vector development. METHODS AND RESULTS: One hundred and thirty-one HCM patients (age, 50±16 years; 92 males and 39 females) with ≥1 HCM risk factor for sudden death underwent S-ICD ECG screening at rest and on exercise...
April 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28369471/activity-of-cefiderocol-s-649266-against-carbapenem-resistant-gram-negative-bacteria-collected-from-inpatients-in-greek-hospitals
#6
Matthew E Falagas, Tilemachos Skalidis, Konstantinos Z Vardakas, Nicholas J Legakis
Background: Cefiderocol (S-649266), a siderophore cephalosporin, utilizes a novel mechanism of entry into the periplasmic space of Gram-negative bacteria and is broadly stable to ESBLs and carbapenemases. Methods: A collection of carbapenem-resistant Gram-negative bacteria isolated from clinical specimens in 18 Greek hospitals was tested for susceptibility to cefiderocol, meropenem, ceftazidime, cefepime, ceftazidime/avibactam, ceftolozane/tazobactam, aztreonam, amikacin, ciprofloxacin, colistin and tigecycline...
June 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28363183/progrip-self-gripping-mesh-in-rives-stoppa-repair-are-there-any-differences-in-outcomes-versus-a-retromuscular-polypropylene-mesh-fixed-with-sutures-a-case-series-study
#7
José Bueno-Lledó, Antonio Torregrosa, Brenda Arguelles, Omar Carreño, Providencia García, Santiago Bonafé, José Iserte
BACKGROUND: Rives-Stoppa repair is widely accepted technique in large midline IH, and appears to be advantageous compared to other surgical techniques concerning complications and recurrence rates. The aim of this case series study was to analyze 1-year outcomes in patients with IH treated with Progrip self-gripping mesh compared to polypropylene (PPL) mesh fixed with sutures during the Rives-Stoppa technique. METHODS: Between June 2014 and June 2015, we performed a prospective comparative non-randomized (case series) analysis between 25 patients with IH using retromuscular Progrip self-gripping mesh and 25 patients with retromuscular PPL mesh fixed with sutures, under Rives-Stoppa repair...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28359511/adding-defibrillation-therapy-to-cardiac%C3%A2-resynchronization-on-the-basis%C3%A2-of%C3%A2-the-myocardial%C3%A2-substrate
#8
Sérgio Barra, Serge Boveda, Rui Providência, Nicolas Sadoul, Rudolf Duehmke, Christian Reitan, Rasmus Borgquist, Kumar Narayanan, Françoise Hidden-Lucet, Didier Klug, Pascal Defaye, Daniel Gras, Frédéric Anselme, Christophe Leclercq, Jean-Sébastien Hermida, Jean-Claude Deharo, Khang-Li Looi, Anthony W Chow, Munmohan Virdee, Simon Fynn, Jean-Yves Le Heuzey, Eloi Marijon, Sharad Agarwal
BACKGROUND: Patients with nonischemic dilated cardiomyopathy (DCM) may be at lower risk for ventricular arrhythmias compared with those with ischemic cardiomyopathy (ICM). In addition, DCM has been identified as a predictor of positive response to cardiac resynchronization therapy (CRT). OBJECTIVES: The aim of this study was to investigate the impact of an additional implantable cardioverter-defibrillator over CRT, according to underlying heart disease, in a large study group of primary prevention patients with heart failure...
April 4, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28340141/the-unfinished-issue-of-ischaemic-stroke-and-embolic-events-during-catheter-ablation-of-atrial-fibrillation
#9
Rui Providencia, Jean-Paul Albenque, Serge Boveda
No abstract text is available yet for this article.
May 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28336597/draft-genome-sequence-of-providencia-stuartii-ps71-a-multidrug-resistant-strain-associated-with-nosocomial-infections-in-greece
#10
A Liakopoulos, O Oikonomou, D W Wareham
Providencia stuartii is frequently associated with nosocomial outbreaks and displays intrinsic resistance to many commonly used antimicrobials. We report here the draft genome sequence of a P. stuartii strain carrying acquired resistance genes conferring panresistance to cephalosporins (blaSHV-5 and blaVEB-1), carbapenems (blaVIM-1), and aminoglycosides (rmtB) involved in an outbreak in Greek hospitals.
March 23, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28334028/providencia-stuartii-form-biofilms-and-floating-communities-of-cells-that-display-high-resistance-to-environmental-insults
#11
Mariam El Khatib, Que-Tien Tran, Chady Nasrallah, Julie Lopes, Jean-Michel Bolla, Michel Vivaudou, Jean-Marie Pagès, Jacques-Philippe Colletier
Biofilms are organized communities of bacterial cells that are responsible for the majority of human chronic bacterial infections. Providencia stuartii is a Gram-negative biofilm-forming bacterium involved in high incidence of urinary tract infections in catheterized patients. Yet, the structuration of these biofilms, and their resistance to environmental insults remain poorly understood. Here, we report on planktonic cell growth and biofilm formation by P. stuartii, in conditions that mimic its most common pathophysiological habitat in humans, i...
2017: PloS One
https://www.readbyqxmd.com/read/28330100/molecular-characterization-and-amplified-ribosomal-dna-restriction-analysis-of-entomopathogenic-bacteria-associated-with-rhabditis-oscheius-spp
#12
Balakrishnan Geetha Sangeetha, Cheruvandasseri Arumughan Jayaprakas, Jinachandrannair Vijayakumari Siji, Moochattil Rajitha, Basheerkutty Shyni, Chellappan Mohandas
Bacterial strains associated with entomopathogenic nematodes (EPNs) Rhabditis (Oscheius) spp. were isolated from infected cadavers of Galleria mellonella. The obtained 18 isolates were subdivided into nine phylogenetically different genera based on comparative sequence analysis of their 16S rRNA genes. The isolates were affiliated to three different class namely γ-proteobacteria (Enterobacter, Proteus, Providencia, Pseudomonas, Stenotrophomonas), β-proteobacteria (Alcaligenes) and Bacilli (Bacillus, Enterococcus, Lysinibacillus)...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28315112/sponge-associated-bacteria-produce-non-cytotoxic-melanin-which-protects-animal-cells-from-photo-toxicity
#13
Vijitha Vijayan, Chekidhenkuzhiyil Jasmin, Abdulaziz Anas, Sreelakshmi Parakkaparambil Kuttan, Saradavey Vinothkumar, Parameswaran Perunninakulath Subrayan, Shanta Nair
Melanin is a photo-protective polymer found in many organisms. Our research shows that the bacteria associated with darkly pigmented sponges (Haliclona pigmentifera, Sigmadocia pumila, Fasciospongia cavernosa, Spongia officinalis, and Callyspongia diffusa) secrete non-cytotoxic melanin, with antioxidant activity that protects animal cells from photo-toxicity. Out of 156 bacterial strains screened, 22 produced melanin and these melanin-producing bacteria (MPB) were identified as Vibrio spp., Providencia sp., Bacillus sp...
March 17, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28263875/molecular-architecture-of-an-n-formyltransferase-from-salmonella-enterica-o60
#14
Colin R Woodford, James B Thoden, Hazel M Holden
N-formylated sugars are found on the lipopolysaccharides of various pathogenic Gram negative bacteria including Campylobacter jejuni 81116, Francisella tularensis, Providencia alcalifaciens O30, and Providencia alcalifaciens O40. The last step in the biosynthetic pathways for these unusual sugars is catalyzed by N-formyltransferases that utilize N(10)-formyltetrahydrofolate as the carbon source. The substrates are dTDP-linked amino sugars with the functional groups installed at either the C-3' or C-4' positions of the pyranosyl rings...
March 2, 2017: Journal of Structural Biology
https://www.readbyqxmd.com/read/28251724/temporal-trends-over-a-decade-of-defibrillator-therapy-for-primary-prevention-in-community-practice
#15
Serge Boveda, Kumar Narayanan, Sophie Jacob, Rui Providencia, Vincent Algalarrondo, Abdeslam Bouzeman, Frankie Beganton, Pascal Defaye, Marie-Cécile Perier, Nicolas Sadoul, Olivier Piot, Didier Klug, Daniel Gras, Laurent Fauchier, Pierre Bordachar, Dominique Babuty, Jean-Claude Deharo, Christophe Leclercq, Eloi Marijon
BACKGROUND: Technology and clinical practice surrounding the use of the primary prevention implantable cardioverter defibrillator (ICD) are in a state of constant evolution. The purpose of the study was to test the hypothesis of significant temporal trends in characteristics and outcomes over a decade of ICD therapy. METHODS: Between 2002 and 2012, 5,539 consecutive patients (age 62.5 ± 11 years, 84.9% male), with ischemic or nonischemic cardiomyopathy, implanted with a primary prevention ICD from 12 centers in France were included...
March 2, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/28225766/marine-actinobacteria-as-a-source-of-compounds-for-phytopathogen-control-an-integrative-metabolic-profiling-bioactivity-and-taxonomical-approach
#16
Luz A Betancur, Sandra J Naranjo-Gaybor, Diana M Vinchira-Villarraga, Nubia C Moreno-Sarmiento, Luis A Maldonado, Zulma R Suarez-Moreno, Alejandro Acosta-González, Gillermo F Padilla-Gonzalez, Mónica Puyana, Leonardo Castellanos, Freddy A Ramos
Marine bacteria are considered as promising sources for the discovery of novel biologically active compounds. In this study, samples of sediment, invertebrate and algae were collected from the Providencia and Santa Catalina coral reef (Colombian Caribbean Sea) with the aim of isolating Actinobateria-like strain able to produce antimicrobial and quorum quenching compounds against pathogens. Several approaches were used to select actinobacterial isolates, obtaining 203 strains from all samples. According to their 16S rRNA gene sequencing, a total of 24 strains was classified within Actinobacteria represented by three genera: Streptomyces, Micromonospora, and Gordonia...
2017: PloS One
https://www.readbyqxmd.com/read/28197768/expression-of-an-acid-urease-with-urethanase-activity-in-e-coli-and-analysis-of-urease-gene
#17
REVIEW
Xiaofeng Liu, Qian Zhang, Nandi Zhou, Yaping Tian
Urea in alcoholic beverage is a precursor of ethyl carbamate (EC), which is carcinogenic. Enzymatic elimination of urea has attracted much research interest. Acid urease with good tolerance toward ethanol and acid is ideal enzyme for such applications. In the present work, the structural genes of urease from Providencia rettgeri JN-B815, ureABC were efficiently expressed in E. coli BL21(DE3) in an active form (apourease) exhibiting both urease and urethanase (hydrolyze EC) activities. The specific activities of the purified apourease were comparatively low, which were 2...
March 2017: Molecular Biotechnology
https://www.readbyqxmd.com/read/28154560/detection-of-sgi1-pgi1-elements-and-resistance-to-extended-spectrum-cephalosporins-in-proteae-of-animal-origin-in-france
#18
Eliette Schultz, Axel Cloeckaert, Benoît Doublet, Jean-Yves Madec, Marisa Haenni
Proteae, and especially Proteus mirabilis, are often the cause of urinary tract infections (UTIs) in humans. They were reported as carriers of extended-spectrum β-lactamase (ESBL) genes, and recently of carbapenemases, mostly carried by the Salmonella genomic island 1 (SGI1) and Proteus genomic island 1 (PGI1). Proteae have also lately become an increasing cause of UTIs in companion animals, but antimicrobial susceptibility data in animals are still scarce. Here, we report the characterization of 468 clinical epidemiologically unrelated Proteae strains from animals collected between 2013 and 2015 in France...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28128639/evaluation-of-three-bacterial-identification-systems-for-species-identification-of-bacteria-isolated-from-bovine-mastitis-and-bulk-tank-milk-samples
#19
Emily Savage, Shubhada Chothe, Valerie Lintner, Traci Pierre, Tammy Matthews, Subhashinie Kariyawasam, Dawn Miller, Deepanker Tewari, Bhushan Jayarao
A study was conducted to evaluate Sensititre(®) Automated Reading and Incubation System 2x System (ARIS), API(®) (API), and Bruker MALDI-TOF MS (MALDI) bacterial species identification systems using 132 diverse bacterial isolates from bovine milk samples and bulk tank milk received at the Penn State Animal Diagnostic Laboratory. The results were compared with 16S rRNA gene sequence analysis, which served as the reference method for species identification. The ARIS, API, and MALDI identified 0%, 40%, and 33...
January 27, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28112086/outbreak-of-carbapenem-resistant-providencia-rettgeri-in-a-tertiary-hospital
#20
V S Tshisevhe, M R Lekalakala, N Tshuma, S Janse van Rensburg, N Mbelle
The emergence of resistance to multiple antimicrobial agents in pathogenic bacteria is a significant public health threat, as there are limited effective antimicrobial agents for infections caused by multidrug-resistant (MDR) bacteria. Several MDR bacteria are now frequently detected. Carbapenem resistance in Enterobacteriaceae is often plasmid mediated, necessitating stringent infection control practices. Wedescribe an outbreak of carbapenem-resistant Providencia rettgeri involving 4 patients admitted to intensive care and high-care units at a tertiary hospital...
December 21, 2016: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
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