Search Our Scientific Publications & Authors

Infect Genet Evol 2018 Dec 12. Epub 2018 Dec 12.

Department of Infectious Diseases, Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China; Key Laboratory of Microorganism Technology and Bioinformatics Research of Zhejiang Province, Hangzhou, Zhejiang Province, China. Electronic address:

Here we report the prevalence of the suppressed vanM gene cluster as a reservoir of vancomycin resistance genes. Among 1284 clinical isolates of enterococci from four hospitals in Hangzhou, China, 55 isolates of Enterococcus faecium and one isolate of Enterococcus faecalis screened positive for the vanM genotype. Antimicrobial susceptibility testing showed that 55 of the 56 vanM-positive isolates were susceptible to vancomycin and teicoplanin. Read More

Am J Ophthalmol 2018 Dec 12. Epub 2018 Dec 12.

Mid Atlantic Retina, Wills Eye Hospital, Thomas Jefferson University, Philadelphia, PA. Electronic address:

Purpose: To compare the rates of infectious endophthalmitis following intravitreal injection of ranibizumab using prefilled syringes vs. conventional preparation.

Design: Multicenter, retrospective, cohort study METHODS: All eyes receiving intravitreal injection of 0. Read More

Am J Perinatol 2018 Dec 14. Epub 2018 Dec 14.

Department of Pediatrics, New York University School of Medicine, New York, New York.

Objective:  We sought to examine pathogen distribution and clinical presentation of late-onset sepsis (LOS) at an urban tertiary care center.

Study Design:  We performed a retrospective review of all culture-confirmed cases of LOS presenting to our institution from 2013 to 2017. Medical records were evaluated for demographic information, sepsis risk factors, encounter location, and clinical outcome. Read More

Pol J Microbiol 2018 ;67(4):401-406

Infectious and Tropical Diseases Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences , Ahvaz , Iran.

Enterococcus faecalis and Enterococcus faecium are among the main agents associated with nosocomial infections with high mortality in immunocompromised patients. Antibiotic resistance, especially against gentamicin and vancomycin among Enterococci , is a risk factor that could increase the morbidity and mortality rate. 179 Enterococci isolates from burn patients were included in this study. Read More

J Conserv Dent 2018 Nov-Dec;21(6):676-680

Department of Conservative Dentistry and Endodontics, Vokkaligara Sangha Dental College and Hospital, Bengaluru, Karnataka, India.

Aim Of The Study: Bacteria that persist at the time of obturation increase the possibility of persistent apical periodontitis. An ideal sealer should be able to kill these remaining bacteria that are present on the dentinal walls as well as inside the dentinal tubules. This could be possible if a sealer has antimicrobial properties with optimum flow characteristics. Read More

J Conserv Dent 2018 Nov-Dec;21(6):662-666

Department of Microbiology, Gulbarga University, Kalaburgi, Karnataka, India.

Background: Endodontic-periodontal pathogens exist as biofilms which are difficult to eliminate. Biosynthesized silver nanoparticles (AgNPs) emerged as newer antimicrobial agents with potential benefits.

Aim: The aim of this study is to determine the minimum inhibitory concentration (MIC); evaluate the antibiofilm efficacy of fungal-derived AgNPs against , , and . Read More

BMC Microbiol 2018 Dec 13;18(1):213. Epub 2018 Dec 13.

Department of Bacteriology, Gunma University Graduate School of Medicine, 3-39-22 Showa-machi, Maebashi, Gunma, 371-8511, Japan.

Background: VanB-type vancomycin (VAN) resistance gene clusters confer VAN resistances on Enterococcus spp. over a wide range of MIC levels (MIC = 4-1000 mg/L). However, the epidemiology and the molecular characteristics of the VAN susceptible VanB-type Enterococcus still remain unclear. Read More

J Ethnopharmacol 2018 Dec 10. Epub 2018 Dec 10.

Departamento de Química, Universidade Federal de Santa Maria,Santa Maria, RS, Brazil. Electronic address:

Ethnopharmacology Relevance: Discaria americana Gillies ex Hook (sin. Discaria febrifuga and Discaria longispina) (Rhamnaceae) is a plant native from Rio Grande do Sul (Southern Brazil), Uruguay and Argentine, and has been used in Brazilian traditional medicine as antipyretic agent, and for stomach disorders. In Rio Grande do Sul, Uruguay and Argentine, the roots, in decoction, are used as tonic and febrifuge. Read More

Exp Ther Med 2018 Dec 14;16(6):4499-4510. Epub 2018 Sep 14.

Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania.

The most severe infections are invasive infections, due to the fact that the germs can accumulate in multiple sites and produce a body-wide infection known as sepsis. Septic shock has the highest mortality rate among non-traumatic medical conditions. In this study, we aimed to evaluate the incidence and prevalence of invasive infections in a hospital environment. Read More

BMC Pharmacol Toxicol 2018 Dec 12;19(1):86. Epub 2018 Dec 12.

Department of Medical Laboratory Sciences, College of Health and Medical Sciences, Haramaya University, P.O.Box 235, Harar, Ethiopia.

Background: Fluoroquinolones are among the most frequently utilized antibacterial agents in developing countries like Ethiopia. Ciprofloxacin has become the most prescribed drug within this class and remains as one of the top three antibacterial agents prescribed in Ethiopia. However, several studies indicated that there is a gradual increase of antibacterial resistance. Read More

Clin Kidney J 2018 Dec 18;11(6):874-880. Epub 2018 Jul 18.

Department of Nephrology and Dialysis, Azienda Socio Sanitaria Territoriale di Monza, Desio, Italy.

Backgound: Fungal peritonitis (FP) is one of the most important causes of peritoneal dialysis (PD) failure, often burdened by increased morbility and mortality. This study evaluates the clinical course of FP cases that arose between 1983 and 2016 in a single PD unit.

Methods: We conducted a retrospective observational analysis of FP episodes recorded in the Baxter POET (Peritonitis Organism Exit sites Tunnel infections) registry and clinical records. Read More

Gut Pathog 2018 3;10:50. Epub 2018 Dec 3.

1U995/Team2, INSERM, 59000 Lille, France.

Background: The intestinal microbiota plays a crucial role in the maintenance of gut homeostasis. Changes in crosstalk between the intestinal epithelial cells, immune cells and the microbiota are critically involved in the development of inflammatory bowel disease. In the experimental mouse model, the development of colitis induced by dextran sulfate sodium (DSS) promotes overgrowth of the opportunistic yeast pathogen . Read More

J Infect Public Health 2018 Dec 3. Epub 2018 Dec 3.

Laboratory Department, Rizgary Teaching Hospital, Erbil, Kurdistan Region, Iraq.

Background: Urinary tract infection (UTI) is a common health-associated problem worldwide. Like other medical conditions, UTI patients may suffer from poor treatment outcomes due to the emergence of antimicrobial resistance. Determining patterns of antimicrobial susceptibility in uropathogens will guide physicians to choose the best antibiotics for treating affected patients. Read More

J Pediatr Gastroenterol Nutr 2018 Dec 11. Epub 2018 Dec 11.

Department of Biotechnology, Institute of Agrochemistry and Food Technology, National Research Council (IATA-CSIC), Valencia, Spain.

Background And Objectives: Breast milk contains several bioactive factors including human milk oligosaccharides (HMOs) and microbes that shape the infant gut microbiota. HMO profile is determined by secretor status; however, their influence on milk microbiota is still uncovered. This study is aimed to determine the impact of the FUT2 genotype on the milk microbiota during the first month of lactation and the association with HMO. Read More

J Water Health 2018 Dec;16(6):991-1006

Department of Aquatic Production, Abel Salazar Institute for the Biomedical Sciences (ICBAS), University of Porto, 4050-313 Porto, Portugal E-mail: LAQV, Requimte, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal.

The Ave River in northern Portugal has a history of riverbanks and water quality degradation. The river water quality was assessed by physicochemical, biological (macroinvertebrates) and microbiological (Enterococcus spp. and Escherichia coli) parameters in six locations (A-F, point A being the nearest to the source) throughout its course during a year. Read More

J Appl Oral Sci 2018 Dec 10;27:e20180183. Epub 2018 Dec 10.

Universidade Federal de Pelotas, Faculdade de Odontologia, Programa de Pós-Graduação em Odontologia (PPGO), Pelotas, Rio Grande do Sul, Brasil.

Objectives: This study investigated the physical and mechanical properties, antibacterial effect and biocompatibility of novel elastomeric temporary resin-based filling materials (TFMs) containing zinc methacrylate (ZM).

Material And Methods: Experimental TFMs were prepared by mixing the zinc methacrylate with monomer, co-monomer, photoinitiator and fillers. A ZM concentration of 0 (control), 0. Read More

Biomed Res Int 2018 13;2018:3069595. Epub 2018 Nov 13.

Laboratory of Blue Biotechnology and Aquatic Bioproduction (B3 Aqua), National Institute of Marine Sciences and Technologies (INSTM), 28, 2 march street 1934 -2035 Salammbô, Tunisia.

This study deals with the antimicrobial potential assessment of in regard to collection period and sampling site. Besides, we assess the chemical composition of bioactive compounds. For this purpose, was seasonally collected from two northern sites in Tunisia, Cap Zebib rocky shore (CZ) and Ghar El Melh lagoon (GEM). Read More

Biomed Res Int 2018 14;2018:1654151. Epub 2018 Nov 14.

Université de Tunis El Manar, Faculté des Science de Tunis, LR03ES03 Laboratoire Microorganismes et Biomolécules Actives, 2092, Campus Universitaire, Tunis, Tunisia.

The research and the selection of novel probiotic strains from novel niches are receiving increased attention on their proclaimed health benefits to both humans and animals. This study aimed to evaluate the functional properties of strains from arid land living-hosts and to select strains with cholesterol-lowering property and , for use as probiotics. They were assessed for acid and bile tolerance, antibiotic susceptibility, membrane properties, antibacterial activity, antiadhesive effect against pathogens to host cell lines, and cholesterol assimilation . Read More

Front Pediatr 2018 27;6:359. Epub 2018 Nov 27.

Center for Pediatrics, Department of Neonatology, Faculty of Medicine, Medical Center - University of Freiburg, Freiburg, Germany.

Human milk (HM) for preterm infants will often be pasteurized for cytomegalovirus (CMV) inactivation and reduction of its bacterial count. High-temperature short-time (HTST) treatment compared to standard Holder pasteurization (HoP) reduces the impact of heat treatment on bioactive HM proteins while effectively inactivating CMV. No data are available for the efficacy of bacterial count reduction using HTST treatments that are available for clinical use. Read More

Infect Drug Resist 2018 20;11:2397-2409. Epub 2018 Nov 20.

State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China,

Objectives: The aim of this study was to investigate the mechanism of linezolid resistance and evaluate the risk factors for linezolid-resistant (LZR-Efa) infections.

Methods: A total of 730 isolates were collected, and whole-genome sequencing and bioinformatics analysis were performed. Meanwhile, risk factors related to linezolid resistance were analyzed by binary logistic regression. Read More

MBio 2018 Dec 11;9(6). Epub 2018 Dec 11.

School of Chemistry and Molecular Biosciences and Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, QLD, Australia

The World Health Organization reports that antibiotic-resistant pathogens represent an imminent global health disaster for the 21st century. Gram-positive superbugs threaten to breach last-line antibiotic treatment, and the pharmaceutical industry antibiotic development pipeline is waning. Here we report the synergy between ionophore-induced physiological stress in Gram-positive bacteria and antibiotic treatment. Read More

Environ Sci Process Impacts 2018 Dec 7. Epub 2018 Dec 7.

Civil & Environmental Engineering, Stanford University, Stanford, CA, USA.

Enterococci are used to monitor recreational water quality worldwide, so understanding their fate and transport in the environment is essential to the protection of human health. As such, researchers have documented enterococci inactivation under various exposure conditions and in diverse water matrices. However, the majority of studies have been performed using lab-cultured bacteria, which are distinct from indigenous, uncultured bacteria found in the environment. Read More

FEMS Microbiol Lett 2018 Dec 10. Epub 2018 Dec 10.

Unit of Biological Hazards and Contaminants (BIOCONTAM), European Food Safety Authority (EFSA), via Carlo Magno 1A, 43126 Parma, Italy.

Microorganisms (food or feed additive, novel food or plant protection product) are intentionally added at different stages of the food and feed chain and are subjected to regulation and safety assessment by the European Food Safety Authority (EFSA). Safety evaluation is based on application dossiers for market authorisation to the European Commission. The qualified presumption of safety (QPS) concept was developed in 2003 to provide a harmonised generic safety pre-appraisal of the above microorganisms. Read More

Clin Infect Dis 2018 Dec 9. Epub 2018 Dec 9.

Pediatric Emergency Medicine, Chief of Critical Care Services, Children's Minnesota, Minneapolis, MN, USA.

Background: Bloodstream infections (BSIs) cause significant morbidity and mortality in children. Recent pediatric epidemiological data may inform prevention strategies and empiric antimicrobial therapy selection.

Methods: We conducted a retrospective cohort study from 2009-2016 utilizing demographic and microbiology data on inpatients <19 years using the Premier Healthcare Database. Read More

Rev Chilena Infectol 2018 ;35(3):246-252

Servicio de Medicina Interna, Hospital Privado Universitario de Córdoba, Instituto Universitario de Ciencias Biomédicas de Córdoba, Córdoba, Argentina.

Introduction: Nosocomially acquired urinary tract infections (NAUTI) represent an important public health issue, but its characteristics when they are not catheter associated (CA-UTI) or when they take place outside intensive care units (ICU) are poorly understood.

Objectives: To determine the patients' characteristics, etiology and antimicrobial susceptibility of NAUTI, both CA-UTI and no CA-UTI, in general ward and ICU.

Methods: We conducted a retrospective analytic cross-sectional study, between 2009 and 2013, in a third level universitary hospital. Read More

Rev Chilena Infectol 2018 ;35(3):225-232

Escuela Superior de Medicina, Instituto Politécnico Nacional, Instituto Mexicano del Seguro Social, México, D.F, México.

Background: Peritonitis is the most important and frequent complication of peritoneal dialysis (PD). Bacterial infections are responsible in most cases, with characteristic symptoms.

Aim: To determine the most frequent pathogens in peritonitis associated with PD in patients with chronic renal failure (CRF). Read More

Dent Res J (Isfahan) 2018 Nov-Dec;15(6):397-403

Department of Biochemistry, ABSMIDS, NITTE University, Mangaluru, Karnataka, India.

Background: Vancomycin-resistant enterococci (VRE) are on the rise globally in primary intraradicular infections and resistant to most intracanal irrigants and medicaments. The aim of this study was to evaluate the efficacy of irrigants and identify a cost-effective regimen to eradicate VRE.

Materials And Methods: In this study irrigants were categorized as primary and surfactant groups with individual concentrations consisting of 10 samples each. Read More

Microbiol Resour Announc 2018 Nov 21;7(20). Epub 2018 Nov 21.

Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.

Here, we present the draft genome sequence of an unusual Enterococcus faecium isolate (CL-6729) showing constitutive expression of the VanA type of vancomycin resistance. The isolate was recovered from a patient with a nosocomial urinary tract infection in Brazil. Read More

Microbiol Resour Announc 2018 Jul 19;7(2). Epub 2018 Jul 19.

Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark.

In 2014, the first vancomycin-resistant (encoded by ) Enterococcus faecium isolate belonging to sequence type 203 (ST203) and complex type 859 (CT859) was detected in Denmark. In 2016, 64% of the Danish clinical E. faecium isolates belonged to ST203 and CT859. Read More

Microbiol Resour Announc 2018 Sep 13;7(10). Epub 2018 Sep 13.

Okinawa Institute of Advanced Sciences, Uruma, Okinawa, Japan.

Enterococcus gilvus CR1, isolated from raw cow's milk, can produce carotenoids. The complete genome sequence of this strain was determined using the PacBio RS II platform. The assembly was found to contain a circular chromosome, including carotenoid biosynthesis genes, and comprises 2,863,043 bp, with a G+C content of 41. Read More

Adolesc Health Med Ther 2018 15;9:177-188. Epub 2018 Nov 15.

School of Medicine, Ilam University of Medical Sciences, Ilam, Iran,

Introduction: is responsible for 10% of hospital-acquired infections. The purpose of this review was to evaluate the prevalence of vancomycin-resistant (VRE) isolates in Iran using a meta-analysis method.

Materials And Methods: Iranian databases, including Magiran and IranDoc, and international databases, including PubMed and MedLib, were examined carefully, and a total of 20 articles published between 2000 and 2011 were extracted. Read More

Infect Drug Resist 2018 15;11:2311-2319. Epub 2018 Nov 15.

Department of Clinical Laboratory, Peking University People's Hospital, Beijing, China,

Objective: This study aimed to determine the risk factors for intra-abdominal infections (IAIs), assess the clinical outcomes of IAIs, and investigate the spectrum and antimicrobial resistance of major pathogens causing IAIs.

Patients And Methods: This prospective observational study enrolled patients from the Chinese Antimicrobial Resistance Surveillance of Nosocomial Infections (CARES) program between 2007 and 2016. Data on the clinicopathological factors and causative pathogens were collected. Read More

Infect Drug Resist 2018 15;11:2269-2275. Epub 2018 Nov 15.

School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

Objective: Nosocomial infections due to vancomycin-resistant enterococci (VRE) are known as a source of spreading these bacteria. The aim of this prospective study was molecular detection of and genes among VRE isolated from patients admitted to intensive care units (ICUs) in Ahvaz in southwest of Iran.

Materials And Methods: Overall, 243 non-duplicate rectal swab specimens were collected from ICU-hospitalized patients in teaching hospitals affiliated to Ahvaz Jundishapur University of Medical Sciences, Iran. Read More

Sci Data 2018 Dec 11;5:180285. Epub 2018 Dec 11.

Institute of Sericulture and Apiculture, College of Animal Sciences, Zhejiang University, Hangzhou, China.

Lepidoptera (butterflies and moths) is a major insect order including important pollinators and agricultural pests, however their microbiomes are little studied. Here, using next-generation sequencing (NGS)-based shotgun metagenomics, we characterize both the biodiversity and functional potential of gut microbiota of a lepidopteran model insect, the silkworm Bombyx mori. Two metagenomes, including the standard inbred strain Dazao (P50) and an improved hybrid strain Qiufeng × Baiyu (QB) widely used in commercial silk production, were generated, containing 45,505,084 and 69,127,002 raw reads, respectively. Read More

Am J Case Rep 2018 Dec 11;19:1467-1473. Epub 2018 Dec 11.

Department of General Medicine, Saga University Hospital, Saga City, Saga, Japan.

BACKGROUND Infective endocarditis is prevalent worldwide and the modified Duke criteria have been used universally to diagnose this condition. However, making the correct diagnosis is rather difficult because the clinical presentation and findings of blood tests are non-specific. CASE REPORT A 70-year-old female complaining of dyspnea for 5 days with acute mitral regurgitation was transferred to our hospital. Read More

Pediatr Infect Dis J 2019 Jan;38(1):76-81

Association Jeremi Rhône-Alpes, Lyon, France.

Background: Little is known about early-onset neonatal bacterial infections (EONBI) in Madagascar. Our aim was to determine their epidemiology to improve their management.

Methods: Inborn neonates at risk for EONBI and admitted in the neonatal unit of 2 tertiary hospitals in Antananarivo, Madagascar, were included in a prospective study from April 2012 to March 2013. Read More

Biomaterials 2018 Nov 21;192:551-559. Epub 2018 Nov 21.

Department of Nanobiomedicine/ENT, University Medical Center of Mainz, Langenbeckstrasse 1, 55101, Mainz, Germany. Electronic address:

Multidrug-resistant bacterial infections are a global health threat. Nanoparticles are thus investigated as novel antibacterial agents for clinical practice, including wound dressings and implants. We report that nanoparticles' bactericidal activity strongly depends on their physical binding to pathogens, including multidrug-resistant primary clinical isolates, such as Staphylococcus aureus, Klebsiella pneumoniae or Enterococcus faecalis. Read More

J Mech Behav Biomed Mater 2018 Nov 28;91:32-37. Epub 2018 Nov 28.

Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Dental Materials and Biomaterial Research, Department of Prosthodontics, Geriatric Dentistry and Craniomandibular Disorders, Aßmannshauser Str. 4-6, 14197 Berlin, Germany. Electronic address:

Due to its elastic modulus close to bone, the high-performance material PEEK (polyetheretherketone) represents an interesting material for implant-supported dental prostheses. Besides a damping effect of masticatory forces, it might have a sealing effect against bacterial leakage of the implant-abutment interface (IAI). So far, PEEK has only been used for provisional implant crowns. Read More

Water Res 2018 Nov 26;150:200-215. Epub 2018 Nov 26.

Department of Civil and Environmental Engineering, National University of Singapore, Singapore; NUS Environmental Research Institute, National University of Singapore, Singapore. Electronic address:

Fecal indicator bacteria, such as Escherichia coli (E.coli) and Enterococcus, have been widely used to indicate the presence of pathogens. However, the suitability of fecal indicator bacteria to represent health risks is still being challenged, particularly in tropical aquatic environments. Read More

An Pediatr (Barc) 2018 Dec 7. Epub 2018 Dec 7.

Sección de Microbiología, Servicio de Análisis Clínicos, Hospital Infantil Universitario Niño Jesús, Madrid, España.

J Thorac Cardiovasc Surg 2018 Oct 23. Epub 2018 Oct 23.

Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia; Vascular Surgical Unit, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia.

Clin Nutr 2018 Oct 9. Epub 2018 Oct 9.

Clinical Nutrition Unit, Raymond Poincaré University Hospital (AP-HP), Garches, France; Université de Versailles, Saint-Quentin-en- Yvelines, Montigny-le-Bretonneux, France.

Background: Functional intestinal disorders (FIDs) are frequently observed in patients with anorexia nervosa (AN). Relationship between FIDs and a potential gut microbiota dysbiosis has been poorly explored.

Objective: We aimed to determine an association between FIDs severity and dysbiosis of the intestinal microbiota in a severely malnourished patient population with AN undergoing enteral nutrition. Read More

Am J Infect Control 2018 Dec 5. Epub 2018 Dec 5.

Division of Geriatric and Palliative Medicine, Department of Internal Medicine, University of Michigan School of Medicine, Ann Arbor, MI; Geriatrics Research Education and Clinical Center, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, MI.

Background: Hands of health care personnel (HCP) can transmit multidrug-resistant organisms (MDROs), resulting in infections. Our aim was to determine MDRO prevalence on HCP hands in adult acute care and nursing facility settings.

Methods: A systematic search of PubMed/MEDLINE, Web of Science, CINAHL, Embase, and Cochrane CENTRAL was performed. Read More

Sci Total Environ 2018 Nov 27;656:503-511. Epub 2018 Nov 27.

Department of Civil and Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, E1A 07-03, Singapore117576, Singapore.

Constructed wetlands (CWs) have emerged as a promising technology for the purification of micro-polluted water. However, their nitrogen removal performance can be significantly degraded by design, operational, and environmental factors. The present study investigates the effects of ofloxacin (OFL: 0. Read More

Food Sci Technol Int 2018 Dec 5:1082013218813823. Epub 2018 Dec 5.

2 Department of Food Science and Technology, Shiraz University, Shiraz, Iran.

The main objectives of this work were to study the survivability of five probiotic lactobacilli strains in sour cherry juice and citrate buffer with similar pH values (pH 3.5) during storage at 4 ℃ as well as to encapsulate the strain with the least survival in calcium alginate beads. Enterococcus faecium from probiotic strains in sour cherry juice exhibited the least survival; therefore, this strain was selected for studying the protective effect of microencapsulation in calcium alginate beads. Read More

Molecules 2018 Dec 4;23(12). Epub 2018 Dec 4.

Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.

The gene, which confers transferable resistance to oxazolidinones and phenicols, is defined as an ATP-binding cassette (ABC) transporter but lacks transmembrane domains. The resistance mechanism of and whether it involves antibiotic efflux or ribosomal protection remain unclear. In this study, we determined the MIC values of all bacterial strains by broth microdilution, and used ultra-high performance liquid chromatography-tandem quadrupole mass spectrometry to quantitatively determine the intracellular concentrations of linezolid and florfenicol in and . Read More

J Vet Intern Med 2018 Dec 3. Epub 2018 Dec 3.

Department of Veterinary Surgical and Radiological Sciences, University of California, Davis, California.

Background: Ureteral stent and subcutaneous ureteral bypass (SUB) placement are commonly used for managing ureteral obstructions. Urinary tract infection (UTI) is a recognized complication.

Objectives: To determine postoperative incidence of positive urine cultures in cats undergoing ureteral stent and SUB placement and to identify risk factors associated with positive urine cultures. Read More

Microb Pathog 2018 Nov 28;127:144-158. Epub 2018 Nov 28.

Physics Department, Faculty of Science (Boys Branch), Al-Azhar University, Cairo, Egypt.

This study reports the photocatalytic degradation of Methylene Blue (MB) dye (a class of dyestuffs that are resistant to biodegradation) under the influence of UV-light irradiation. Antibacterial and antibiofilm activities of ferrite nanoparticles (FO NPs) were examined against some pathogenic bacteria isolated from the medical operating room surfaces. In the same context, metals-substituted spinel cobalt ferrite nanoparticles with nominal composition [MCoFeO NPs; (M = Zn, Cu, Mn; x = 0. Read More

J Nanosci Nanotechnol 2019 May;19(5):2599-2605

SPUR a.s., těr. T. Bati 299, 764 22 Zlín, Czech Republic.

Clay mineral vermiculite was treated with silver and copper nitrate solutions and samples were subsequently modified with organic compound (dodecylamine) via solid-solid melt intercalation. Prepared organo-inorgano vermiculites were used as nanofillers to the polyethylene matrix. Mixtures of polyethylene with vermiculite nanofillers, prepared by melt compounding technique, were pressed into thin plates. Read More

J Antimicrob Chemother 2018 Dec 4. Epub 2018 Dec 4.

Department of Life and Environmental Sciences, Microbiology Unit, Polytechnic University of Marche, Ancona, Italy.