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https://www.readbyqxmd.com/read/29243150/characterization-of-multiple-antibiotic-resistance-of-culturable-microorganisms-and-metagenomic-analysis-of-total-microbial-diversity-of-marine-fish-sold-in-retail-shops-in-mumbai-india
#1
Onkar A Naik, Ravindranath Shashidhar, Devashish Rath, Jayant R Bandekar, Archana Rath
Marine fish species were analyzed for culturable and total metagenomic microbial diversity, antibiotic resistance (AR) pattern, and horizontal gene transfer in culturable microorganisms. We observed a high AR microbial load of 3 to 4 log CFU g-1. Many fish pathogens like Providencia, Staphylococcus, Klebsiella pneumoniae, Enterobacter, Vagococcus, and Aeromonas veronii were isolated. Photobacterium and Vibrio were two major fish and human pathogens which were identified in the fish metagenome. Other pathogens that were identified were Shewanella, Acinetobacter, Psychrobacter, and Flavobacterium...
December 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29223516/antimicrobial-activity-of-plazomicin-against-enterobacteriaceae-producing-carbapenemases-from-50-brazilian-medical-centers
#2
Andreza Francisco Martins, Larissa Bail, Carmen Antonia Sanches Ito, Keite da Silva Nogueira, Tanise Vendruscolo Dalmolin, Amanda Silva Martins, Jaime Luis Lopes Rocha, Alisa W Serio, Felipe Francisco Tuon
Plazomicin is a next-generation aminoglycoside with activity against Enterobacteriaceae, including carbapenemase-producing Enterobacteriaceae (CPE). The aim of this study was to evaluate the activity of plazomicin against CPE (Klebsiella spp., Escherichia coli, Serratia spp., Enterobacter spp., Citrobacter spp., Morganella spp., Proteus spp., Providencia spp.) from different Brazilian hospitals. A total of 4000 carbapenem-resistant Enterobacteriaceae isolates were collected from clinical samples in 50 Brazilian hospitals during 2013-2015...
November 10, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29202595/biological-therapies-targeting-arrhythmias-are-cells-and-genes-the-answer
#3
Debbie Falconer, Nikolaos Papageorgiou, Emmanuel Androulakis, Yasmin Alfallouji, Wei Yao Lim, Rui Providencia, Dimitris Tousoulis
Arrhythmias can cause symptoms ranging from simple dizziness to life-threatening circulatory collapse. Current management includes medical therapy and procedures such as catheter ablation or device implantation. However, these strategies still pose a risk of serious side effects, and some patients remain symptomatic. Advancement in our understanding of how arrhythmias develop on the cellular level has made more targeted approaches possible. In addition, contemporary studies have found that several genes are involved in the pathogenesis of arrhythmias...
December 5, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/29193200/rapid-identification-of-microorganisms-from-platelet-concentrates-by-matrix-assisted-laser-desorption-ionization-time-of-flight-mass-spectrometry-after-short-term-incubation-on-liquid-medium
#4
Yasmine Chetouane, Gregory Dubourg, Pierre Gallian, Christophe Flaudrops, Jacques Chiaroni, Eric Chabrière, Didier Raoult, Laurence Camoin-Jau
BACKGROUND: Platelets (PLTs) are especially affected by the risk of bacterial contamination. Matrix-assisted laser desorption ionization time-of-flight (MALDI-TOF) is an accurate method for the routine identification of bacterial isolates in microbiology laboratories. We directly applied the MALDI-TOF method to bacterial detection in PLTs. In this study, we evaluated the sensitivity, specificity, and speed of a direct MALDI-TOF approach compared to the conventional method BACTEC. STUDY DESIGN AND METHODS: Eight bacteria associated with PLT contamination, cited by the ISBT on transfusion-transmitted infectious diseases, were spiked into PLTs for a final concentration of approximately 100 CFU/bag (n = 5 for each strain)...
November 28, 2017: Transfusion
https://www.readbyqxmd.com/read/29158999/recurrent-primary-suprahepatic-abscess-due-to-providencia-stuartii-a-rare-phenomenon
#5
Kyawzaw Lin, Aung Naing Lin, Sandar Linn, Madhavi Reddy, Anjali Bakshi
Gram-negative urease-producing bacilli, Providencia stuartii (P. stuartii), is reported in urinary tract infections, gastroenteritis, and bacteremia in humans but they rarely present with a hepatic abscess. We present a rare case of a recurrent suprahepatic cyst due to P. stuartii in a 45-year-old female, intravenous ( IV) heroin abuser with chronic hepatitis B and C. A 45-year-old female with 10 days status post right suprahepatic abscess drainage presented with recurrent, right, upper quadrant abdominal pain for one day...
September 16, 2017: Curēus
https://www.readbyqxmd.com/read/29118981/zika-virus-disease-microcephaly-and-guillain-barr%C3%A3-syndrome-in-colombia-epidemiological-situation-during-21%C3%A2-months-of-the-zika-virus-outbreak-2015-2017
#6
Nelson Méndez, Misael Oviedo-Pastrana, Salim Mattar, Isaac Caicedo-Castro, German Arrieta
Background: The Zika virus disease (ZVD) has had a huge impact on public health in Colombia for the numbers of people affected and the presentation of Guillain-Barre syndrome (GBS) and microcephaly cases associated to ZVD. Methods: A retrospective descriptive study was carried out, we analyze the epidemiological situation of ZVD and its association with microcephaly and GBS during a 21-month period, from October 2015 to June 2017. The variables studied were: (i) ZVD cases, (ii) ZVD cases in pregnant women, (iii) laboratory-confirmed ZVD in pregnant women, (iv) ZVD cases associated with microcephaly, (v) laboratory-confirmed ZVD associated with microcephaly, and (vi) ZVD associated to GBS cases...
2017: Archives of Public Health, Archives Belges de Santé Publique
https://www.readbyqxmd.com/read/29110324/cnta-oxygenase-substrate-profile-comparison-and-oxygen-dependency-of-tma-production-in-providencia-rettgeri
#7
Gints Kalnins, Eduards Sevostjanovs, Dace Hartmane, Solveiga Grinberga, Kaspars Tars
CntA oxygenase is a Rieske 2S-2Fe cluster-containing protein that has been previously described as able to produce trimethylamine (TMA) from carnitine, gamma-butyrobetaine, glycine betaine, and in one case, choline. TMA found in humans is exclusively of bacterial origin, and its metabolite, trimethylamine oxide (TMAO), has been associated with atherosclerosis and heart and renal failure. We isolated four different Rieske oxygenases and determined that there are no significant differences in their substrate panels...
November 7, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/29063446/extensive-colonization-with-carbapenemase-producing-microorganisms-in-romanian-burn-patients-infectious-consequences-from-the-colectiv-fire-disaster
#8
L E Pirii, A W Friedrich, J W A Rossen, W Vogels, G I J M Beerthuizen, M K Nieuwenhuis, A M D Kooistra-Smid, E Bathoorn
Health care of severe burn patients is highly specialized and may require international patient transfer. Burn patients have an increased risk of developing infections. Patients that have been hospitalized in countries where carbapenemase-producing microorganisms (CPMO) are endemic may develop infections that are difficult to treat. In addition, there is a risk on outbreaks with CPMOs in burn centers. This study underlines that burn patients may extensively be colonized with CPMOs, and it provides best practice recommendations regarding clinical microbiology and infection control...
October 23, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29057984/membrane-binding-of-the-insertion-sequence-of-proteus-vulgaris-l-amino-acid-deaminase-stabilizes-protein-structure-and-increases-catalytic-activity
#9
Yingchen Ju, Zhihong Liu, Zizhen Zhang, Lijun Duan, Qi Liu, Qiong Gu, Cheng Zhang, Jun Xu, Huihao Zhou
Proteus vulgaris L-amino acid deaminase (pvLAAD) belongs to a class of bacterial membrane-bound LAADs mainly express in genus Proteus, Providencia and Morganella. These LAADs employ a non-cleavable N-terminal twin-arginine translocation (Tat) peptide to transport across membrane and bind to bacterial surface. Recent studies revealed that a hydrophobic insertion sequence (INS) in these LAADs also interacts with bacterial membrane. However, the functional significance of INS-membrane interaction is not clear...
October 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29050870/brugada-syndrome-is-associated-with-scar-and-endocardial-involvement-insights-from-high-density-mapping-with-the-rhythmia%C3%A2-mapping-system
#10
Rui Providência, Pedro Carmo, Francisco Moscoso Costa, Diogo Cavaco, Francisco Morgado, Mauricio Scanavacca, Pedro Adragão
The authors report the first catheter ablation of Brugada syndrome in the literature using the Rhythmia™ mapping system. Learning points include: (1) low voltage areas can be documented while mapping in some individuals, suggesting that Brugada syndrome may not be a pure ion channel disorder; (2) typical long fractionated potentials can also be identified in the endocardium, supporting the need to map the endocardium in all Brugada patients requiring ablation; (3) disappearance of the typical coved pattern following ablation does not necessarily predict cure, as the patient we present experienced ventricular fibrillation recurrence a few months later...
October 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29030447/housefly-musca-domestica-and-blow-fly-protophormia-terraenovae-as-vectors-of-colistin-resistance-genes-carrying-bacteria
#11
Jilei Zhang, Jiawei Wang, Li Chen, Afrah Kamal Yassin, Patrick Kelly, Patrick Butaye, Jing Li, Jiansen Gong, Russell Cattley, Kezong Qi, Chengming Wang
Flies have the capacity to transfer pathogens between different environments, acting as one of the most important vectors of human diseases worldwide. In this study, we trapped flies on a university campus and tested them for mobile resistance genes against colistin, a last-resort antibiotic in human medicine for treating clinical infections caused by multidrug-resistant Gram-negative bacteria. Quantitative PCRs we developed showed that 34.1% of Musca domestica (86/252) and 51.1% of Protophormia terraenovae (23/45) were positive for the mcr-1, 1...
October 13, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29025197/adenosine-versus-intravenous-calcium-channel-antagonists-for-supraventricular-tachycardia
#12
REVIEW
Samer Alabed, Ammar Sabouni, Rui Providencia, Edmond Atallah, Mohammed Qintar, Timothy Ja Chico
BACKGROUND: People with supraventricular tachycardia (SVT) frequently are symptomatic and present to the emergency department for treatment. Although vagal manoeuvres may terminate SVT, they often fail, and subsequently adenosine or calcium channel antagonists (CCAs) are administered. Both are known to be effective, but both have a significant side effect profile. This is an update of a Cochrane review previously published in 2006. OBJECTIVES: To review all randomised controlled trials (RCTs) that compare effects of adenosine versus CCAs in terminating SVT...
October 12, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29023055/isolation-of-potential-bacteria-as-inoculum-for-biofloc-formation-in-pacific-whiteleg-shrimp-litopenaeus-vannamei-culture-ponds
#13
Nor Azman Kasan, Nurarina Ayuni Ghazali, Mhd Ikhwanuddin, Zaharah Ibrahim
BACKGROUND AND OBJECTIVE: A new green technology to reduce environmental damages while optimizing production of Pacific Whiteleg shrimp, Litopenaeus vannamei was developed known as "Biofloc technology". Microbial communities in biofloc aggregates are responsible in eliminating water exchange and producing microbial proteins that can be used as supplemented feed for L. vannamei. This study aimed to isolate and identify potential bioflocculant-producing bacteria to be used as inoculum for rapid formation of biofloc...
2017: Pakistan Journal of Biological Sciences: PJBS
https://www.readbyqxmd.com/read/29018015/chronic-red-eye-a-masquerade-of-advanced-neoplastic-disease
#14
Joana Providência, Filipa Ponces, Guilherme Castela, Joaquim Murta
A 42-year-old woman presented with chronic history of left red eye for more than 12 months, treated with difference topical medication but without response. Ocular external examination demonstrated a firm palpable mass in the medial portion of the lower eyelid and slit-lamp evaluation of the lesion showed an ulcerated conjunctival nodule, keratin secretor. CT of the orbits revealed left-sided orbital mass located anteriorly, inferiorly and medially in the orbit, adjacent to the globe and orbit walls. Incisional biopsy of the lesion was consistent with invasive squamous cell carcinoma of the conjunctiva...
October 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29016796/empowerment-of-athletes-with-cardiac-disorders-a-new-paradigm
#15
Rui Providencia, Carina Teixeira, Oliver R Segal, Augustus Ullstein, Kim Mueser, Pier D Lambiase
Athletes with cardiac disorders frequently pose an ethical and medical dilemma to physicians assessing their eligibility to participate in sport. In recent decades, patient empowerment has been gaining increasing recognition in clinical decision-making. Empowerment is a process through which people are involved over the decisions and actions that affect their own lives. In the context of a cardiac disorder, empowerment means giving an athlete the chance to participate in the decision about whether or not to remain active in competition...
August 9, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29016772/do-women-benefit-equally-as-men-from-the-primary-prevention-implantable-cardioverter-defibrillator
#16
Sérgio Barra, Rui Providência, Serge Boveda, Kumar Narayanan, Munmohan Virdee, Eloi Marijon, Sharad Agarwal
Women traditionally have been and are still underrepresented in research in many important areas of cardiology, and guideline recommendations which also encompass women are mostly based on research conducted predominantly in men. However, there is plausible cause to believe that sex may have a potential influence on the benefit derived from the implantable cardioverter-defibrillators (ICD), alone or in association with cardiac resynchronization therapy. We assessed the possible relationship between sex and outcome with ICD implantation in the setting of primary prevention, by pooling the results of MUSTT, MADIT-II, DEFINITE, COMPANION, SCD-HeFT and DANISH trials in a meta-analysis...
July 18, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29016766/temporal-pattern-episode-duration-based-classification-of-atrial-fibrillation-as-paroxysmal-vs-persistent-is-it-time-to-develop-a-more-integrated-prognostic-score-to-optimize-management
#17
Matthew Hammond-Haley, Rui Providência, Pier D Lambiase
Atrial fibrillation (AF) is a clinically heterogeneous arrhythmia that is currently classified according to the variety of temporal rhythm based manifestations observed clinically, including 'first detected episode', 'paroxysmal', 'persistent', or 'permanent' AF. Despite being widely adopted by the most recent consensus guidelines, the utility of this classification system to stratify patients into distinct and clinically useful groups that have different outcomes including mortality, morbidity, specific cardiovascular outcomes, and quality of life (QoL), remains questionable...
July 11, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28988899/diabetic-choroidopathy-choroidal-vascular-density-and-volume-in-diabetic-retinopathy-with-swept-source-optical-coherence-tomography
#18
Jay C Wang, Inês Laíns, Joana Providência, Grayson W Armstrong, Ana R Santos, Pedro Gil, João Gil, Katherine E Talcott, João H Marques, João Figueira, Demetrios G Vavvas, Ivana K Kim, Joan W Miller, Deeba Husain, Rufino Silva, John B Miller
PURPOSE: To compare choroidal vascular density (CVD) and volume (CVV) in diabetic eyes and controls, using en face swept-source optical coherence tomography (SS-OCT). DESIGN: Prospective cross-sectional study. METHODS: ▪▪▪ SETTING: Multicenter PATIENT POPULATION: 143 diabetic eyes - 27 with no diabetic retinopathy (DR), 47 with nonproliferative DR (NPDR), 51 with NPDR and diabetic macular edema (DME), and 18 with proliferative DR (PDR), and 64 age-matched non-diabetic control eyes...
October 5, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28954836/impact-of-qtc-formulae-in-the-prevalence-of-short-corrected-qt-interval-and-impact-on-probability-and-diagnosis-of-short-qt-syndrome
#19
Rui Providência, Nabeela Karim, Neil Srinivasan, Shohreh Honarbakhsh, Maria João Vidigal Ferreira, Lino Gonçalves, Eloi Marijon, Pier D Lambiase
OBJECTIVE: To assess the prevalence of short corrected QT (QTc) intervals and its impact on short QT syndrome (SQTS) diagnosis using different QT correction formulae. METHODS: Observational study. The prevalence of short QTc intervals was estimated using four different QT correction formulae in 14 662 young adults from the 'Sudden Cardiac Death Screening of Risk FactOrS' (SCD-SOS) cohort. Then, using data from this cohort and the pooled-cohort analysed by Gollob et al, comprising 61 patients with SQTS, we assessed the impact of the different QTc correction formulae on SQTS probability and diagnosis based on the Expert Consensus recommendations (QTc ≤330 ms or QTc 330-360 ms+1 additional risk feature)...
September 27, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28949149/total-synthesis-of-repeating-unit-of-o-polysaccharide-of-providencia-alcalifaciens-o22-via-one-pot-glycosylation
#20
Ananda Rao Podilapu, Suvarn S Kulkarni
The first total synthesis of the phosphorylated trisaccharide repeating unit of Providencia alcalifaciens O22 is reported. The trisaccharide contains rare deoxyamino sugar AAT at the reducing end and d-glyceramide 2-phosphate at the other end. The efficient synthesis involves one-pot assembly of trisaccharide and late-stage phosphorylation as key steps.
October 6, 2017: Organic Letters
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