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https://www.readbyqxmd.com/read/29679746/prevalence-of-cfr-in-enterococcus-faecalis-strains-isolated-from-swine-farms-in-china-predominated-cfr-carrying-pcppf5-like-plasmids-conferring-non-linezolid-resistance-phenotype
#1
Liang-Xing Fang, Jia-Hong Duan, Mu-Ya Chen, Hui Deng, Hua-Qing Liang, Yan Q Xiong, Jian Sun, Ya-Hong Liu, Xiao-Ping Liao
The cfr gene associated with linezolid resistance has attracted wide attention. However, little is known about its prevalence and mode of transmission in Enterococcus faecalis. In this study, we investigate the prevalence and genetic environment of the cfr gene in 91 E. faecalis isolates collected from swine faecal swabs in 30 farms in Guangdong Province, China in 2012. A relatively high prevalence of cfr was identified in E. faecalis isolates (11/91, 12.1%) by PCR. All the cfr-positive E. faecalis strains had a multidrug-resistance phenotype including erythrocin, tetracycline, gentamicin, kanamicin and ciprofloxacin, except vancomycin and linezolid...
April 18, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29676703/effect-of-intraoperative-single-shot-application-of-vancomycin-in-liver-transplant-recipients-on-postoperative-infections-with-enterococcus-faecium-and-enterococcus-faecalis
#2
Christian Siebers, Johannes Kinzinger, Ludwig C Hinske, Andreas Bauer, Patrick Scheiermann, Michael Zoller, Markus Guba, Martin Angele, Sebastian Pratschke, Thomas Weig
OBJECTIVES: Infections are major causes of morbidity and mortality in the early postoperative period after liver transplant. We observed a high rate of enterococcal infections at our center. Therefore, we added an intraoperative single shot of vancomycin to the standard regimen of meropenem given over 5 days. The aim of this study was to determine the prevalence of both Enterococcus faecium and Enterococcus faecalis infections during the first 28 days after surgery depending on the type of antibiotic prophylaxis and their implications on mortality and morbidity...
April 20, 2018: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29676446/an-approach-on-the-potential-use-of-probiotics-in-the-treatment-of-skin-conditions-acne-and-atopic-dermatitis
#3
REVIEW
Vitória H M Mottin, Edna S Suyenaga
Acne and Atopic Dermatitis (AD) are chronic inflammatory skin conditions with severe impact on a patient's life. Current treatments are related to adverse effects and do not represent a definitive cure. The present paper reviews the alterations in skin microbiome, specifically in acne and AD, and aims in searching for potential treatments based on benefic microorganisms, called probiotics. The review was made through bibliographic search of the main databases (Science Direct, PubMed, Scielo, Medline) between September 2015 and June 2016...
April 20, 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29675996/streptococcus-endopeptidases-promote-hpv-infection-in-vitro
#4
Sylvia I Pavlova, Reid V Wilkening, Michael J Federle, Yu Lu, Joel Schwartz, Lin Tao
Both cervical and throat cancers are associated with human papillomavirus (HPV). HPV infection requires cleavage of the minor capsid protein L2 by furin. While furin is present in the vaginal epithelium, it is absent in oral epithelial basal cells where HPV infection occurs. The objective of this study was to investigate whether common oral bacteria express furin-like peptidases. By screening strains representing 12 oral Streptococcus and Enterococcus species, we identified that eight Streptococcus strains displayed high levels of furin-like peptidase activity, with S...
April 19, 2018: MicrobiologyOpen
https://www.readbyqxmd.com/read/29675786/the-microbiology-of-infected-pancreatic-necrosis-in-the-era-of-minimally-invasive-therapy
#5
Nadav Sahar, Richard A Kozarek, Zaheer S Kanji, Shingo Chihara, S Ian Gan, Shayan Irani, Michael Larsen, Andrew S Ross, Michael Gluck
We aimed to determine the microbiology of infected walled-off pancreatic necrosis (WON) in an era of minimally invasive treatment, since current knowledge is based on surgical specimens performed over two decades ago. We retrospectively analyzed a prospectively maintained database of patients who were treated for symptomatic WON using combined endoscopic and percutaneous drainage between 2008 and 2017. Aspirates from WON at initial treatment were evaluated. One hundred eighty-two patients were included with a mean age of 56 of whom 67% were male...
April 19, 2018: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29674657/emergence-of-vancomycin-resistant-enterococcus-faecium-at-an-australian-hospital-a-whole-genome-sequencing-analysis
#6
Kelvin W C Leong, Louise A Cooley, Tara L Anderson, Sanjay S Gautam, Belinda McEwan, Anne Wells, Fiona Wilson, Lucy Hughson, Ronan F O'Toole
In 2015, a marked increase in vancomycin-resistant Enterococcus faecium (VREfm) isolation was detected at the Royal Hobart Hospital, Australia. The primary objective of this work was to examine the dynamics of VREfm transmission using whole genome data mapped to public health surveillance information. Screening and clinical isolates of VREfm from patients were typed for the specific vancomycin-resistance locus present. Of total isolates collected from 2014-2016 (n = 222), 15.3% and 84.7% harboured either the vanA or the vanB vancomycin-resistance locus, respectively...
April 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29673188/novel-chlorhexidine-loaded-polymeric-nanoparticles-for-root-canal-treatment
#7
Gina Quiram, Francisco Montagner, Kelli L Palmer, Mihaela C Stefan, Katherine E Washington, Danieli C Rodrigues
Persistence of microorganisms in dentinal tubules after root canal chemo-mechanical preparation has been well documented. The complex anatomy of the root canal and dentinal buffering ability make delivery of antimicrobial agents difficult. This work explores the use of a novel trilayered nanoparticle (TNP) drug delivery system that encapsulates chlorhexidine digluconate, which is aimed at improving the disinfection of the root canal system. Chlorhexidine digluconate was encapsulated inside polymeric self-assembled TNPs...
April 17, 2018: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/29672972/metabolomic-profiling-and-biological-investigation-of-the-marine-sponge-derived-bacterium-rhodococcus-sp-ua13
#8
Yasmin Elsayed, John Refaat, Usama Ramadan Abdelmohsen, Eman Maher Othman, Helga Stopper, Mostafa Ahmed Fouad
INTRODUCTION: Marine sponge-associated actinomycetes are potent sources of bioactive natural products of pharmaceutical significance. They also contributed to the discovery of several clinically relevant antimicrobials. OBJECTIVE: To apply the non-targeted metabolomics approach in chemical profiling of the sponge-derived bacterium Rhodococcus sp. UA13, formerly recovered from the Red Sea sponge Callyspongia aff. Implexa, along with testing for the anti-infective potential of its different fractions...
April 19, 2018: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/29672773/microbiological-chemical-and-physical-quality-of-drinking-water-for-commercial-turkeys-a-cross-sectional-study
#9
G Di Martino, A Piccirillo, M Giacomelli, D Comin, A Gallina, K Capello, F Buniolo, C Montesissa, L Bonfanti
Drinking water for poultry is not subject to particular microbiological, chemical and physical requirements, thereby representing a potential transmission route for pathogenic microorganisms and contaminants and/or becoming unsuitable for water-administered medications. This study assessed the microbiological, chemical and physical drinking water quality of 28 turkey farms in North-Eastern Italy: 14 supplied with tap water (TW) and 14 with well water (WW). Water salinity, hardness, pH, ammonia, sulphate, phosphate, nitrate, chromium, copper and iron levels were also assessed...
April 17, 2018: Poultry Science
https://www.readbyqxmd.com/read/29672631/correction-outcome-of-enterococcus-faecalis-infective-endocarditis-according-to-the-length-of-antibiotic-therapy-preliminary-data-from-a-cohort-of-78-patients
#10
Juan M Pericàs, Carlos Cervera, Asunción Moreno, Cristina Garcia-de-la-Mària, Manel Almela, Carles Falces, Eduard Quintana, Bàrbara Vidal, Jaume Llopis, David Fuster, Carlos A Mestres, Francesc Marco, Jose M Miró
[This corrects the article DOI: 10.1371/journal.pone.0192387.].
2018: PloS One
https://www.readbyqxmd.com/read/29671807/formation-of-sulforaphane-and-iberin-products-from-thai-cabbage-fermented-by-myrosinase-positive-bacteria
#11
Vijitra Luang-In, Sirirat Deeseenthum, Piyachat Udomwong, Worachot Saengha, Matteo Gregori
Myrosinase-positive bacteria from local fermented foods and beverages in Thailand with the capacity to metabolize glucosinolate and produce isothiocyanates (ITCs) were isolated and used as selected strains for Thai cabbage fermentation. Enterobacter xiangfangensis 4A-2A3.1 (EX) from fermented fish and Enterococcus casseliflavus SB2X2 (EC) from fermented cabbage were the two highest ITC producers among seventeen strains identified by 16S rRNA technique. EC and EX were used to ferment Thai cabbage ( Brassica oleracea L...
April 19, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29671712/detection-of-multi-drug-resistant-escherichia-coli-in-a-giant-panda-ailuropoda-melanoleuca-with-extraintestinal-polyinfection
#12
Wei Zhou, Lingwei Zhu, Min Jia, Tiecheng Wang, Bing Liang, Xue Ji, Yang Sun, Jun Liu, Xuejun Guo
Multi-drug-resistant Escherichia coli, Pseudomonas aeruginosa, and Enterococcus faecalis were isolated from the tissue samples of a giant panda. The E. coli strain SH-YH-DH that we isolated carried a self-transferable plasmid associated with multi-drug-resistant genes ( blaCTX-M-55 , blaTEM-1 , sul1, floR, strB, aac(6')-Ib, and tetA/R). This strain exhibited phenotypic resistance to gentamicin, cefotaxime, ampicillin, chloramphenicol, trimethoprim-sulfamethoxazole, and tetracycline. We report the participation of multi-drug-resistant E...
April 19, 2018: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/29671364/infectious-complications-in-morbidly-adherent-placenta-treated-with-leaving-placenta-in-situ-a-cohort-series-and-suggested-approach
#13
Mehmet Kutuk, Aysegul Kilic, Mehmet Ak, Mahmut Ozgun
BACKGROUND: The aim of this study is to assess the clinical and microbiological features of infections in patients with morbidly adherent placenta (MAP) treated by leaving placenta in situ (LPIS). MATERIAL AND METHODS: Retrospective analysis of MAP cases who were treated by LPIS between 2 May, 2010 and 15 March 2017. The inclusion criteria's were: gestational age at or above 24 weeks, prenatal diagnosis elective operation, and complete data. RESULTS: Nineteen MAP cases were treated by LPIS during the study period...
April 19, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29669304/safety-assessment-and-functional-properties-of-four-enterococci-strains-isolated-from-regional-argentinean-cheese
#14
Gabriela P Martino, Martín Espariz, Gabriel Gallina Nizo, Luis Esteban, Víctor S Blancato, Christian Magni
The members of the Enterococcus genus are widely distributed in nature. Its strains have been extensively reported to be present in plant surfaces, soil, water and food. In an attempt to assess their potential application in food industry, four Enterococcus faecium group-strains recently isolated from Argentinean regional cheese products were evaluated using a combination of whole genome analyses and in vivo assays. In order to identify these microorganisms at species level, in silico analyses using their newly reported sequences were conducted...
April 11, 2018: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29669265/modification-of-ige-binding-to-%C3%AE-s1-casein-by-proteolytic-activity-of-enterococcus-faecium-isolated-from-iranian-camel-milk-samples
#15
Reihane Kordesedehi, Asghar Taheri-Kafrani, Mohammad Rabbani-Khorasgani, Rezvan Kazemi, Daniel Mutangadura, Thomas Haertle
Milk is a perfect source of nutrients for neonates. When breast feeding cannot be done, an infant's alimentation is usually initiated to cow's milk, among the primary foods. It has been reported that about 2.5% of juveniles under the age of 3 years manifest allergic reactions to cow's milk proteins. Among the cow's milk proteins, casein fractions are considered as the strongest allergenic proteins. The proteolytic enzymes of lactic acid bacteria (LAB), during fermentation of dairy products, can break down milk proteins especially caseins and subsequently reduce the immune reactivity of allergenic proteins...
April 15, 2018: Journal of Biotechnology
https://www.readbyqxmd.com/read/29669247/a-hen-in-the-wolf-den-a-pathobiont-tale
#16
Matteo M Guerrini, Alexis Vogelzang, Sidonia Fagarasan
Disruption of the gut microbiota is thought to contribute to disease onset in individuals with a genetic predisposition to autoimmunity. In a recent issue of Science, Manfredo Vieira et al. (2018) identify translocation of the gut commensal Enterococcus gallinarum into the liver as a trigger for the autoimmune disease systemic lupus erythematous.
April 17, 2018: Immunity
https://www.readbyqxmd.com/read/29668035/metaproteomics-of-microbiota-in-naturally-fermented-soybean-paste-da-jiang
#17
Ping Zhang, Pengfei Zhang, Mengxi Xie, Feiyu An, Boshu Qiu, Rina Wu
Da-jiang is a typical traditional fermented soybean product in China. At present, the proteins in da-jiang are needed to be explored. The composition and species of microbial proteins in traditional fermented da-jiang were analyzed by metaproteomics based on sodium dodecyl sulfonate-polyacrylamide gel electrophoresis (SDS-PAGE) and liquid chromatography-mass spectrometry/mass spectrometry (LC-MS/MS). The results showed that the number and variety of microbial proteins in the traditional fermented da-jiang from different regions were different...
April 18, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29667183/effect-of-enterococcus-faecium-sf68-on-serum-cobalamin-and-folate-concentrations-in-healthy-dogs
#18
R Lucena, A B Olmedilla, B Blanco, M Novales, P J Ginel
OBJECTIVE: To study the effect of a 14-day administration of the probiotic Enterococcus faecium SF68 on serum concentrations of cobalamin and folate in healthy dogs. MATERIALS AND METHODS: Thirty-six healthy dogs were randomly allocated between probiotic and control groups. Enterococcus faecium SF68 was administered to the probiotic group for 14 days whereas the control group did not receive any product. A blood sample was taken from all dogs when starting the administration (day 1), when the administration ended (day 14) and 14 days later (day 28)...
April 17, 2018: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/29664245/analysis-of-the-world-epidemiological-situation-among-vancomycin-resistant-enterococcus-faecium-infections-and-the-current-situation-in-poland
#19
Katarzyna Talaga-Ćwiertnia, Małgorzata Bulanda
Vancomycin-resistant Enterococcus faecium (VREfm) strains have become an important hospital pathogen due to their rapid spread, high mortality rate associated with infections and limited therapeutic options. Vancomycin resistance is predominantly mediated by VanA or VanB phenotypes, which differ as regards maintaining sensitivity to teicoplanin in the VanB phenotype. The majority of VREfm cases in the United States, Europe, Korea, South America and Africa are currently caused by the VanA phenotype. However, the epidemics in Australia and Singapore are chiefly brought about by the VanB phenotype...
2018: Przegla̧d Epidemiologiczny
https://www.readbyqxmd.com/read/29662736/investigating-the-transmissibility-of-tet-w-in-bifidobacteria-exposed-to-acid-and-bile-stress
#20
Agnieszka Polit, Huiying Yang, Daniel Amund
Transfer of antibiotic resistance genes from probiotic bacteria to pathogens poses a safety concern. Orally administered probiotics are exposed to stressful conditions during gastrointestinal transit. In this study, filter mating experiments were performed to investigate the potential role of exposure of Bifidobacterium isolates to acid and bile stress on the transfer of a tetracycline resistance gene, tet (W), to Enterococcus faecalis ATCC 51299. No E. faecalis transconjugants were obtained after mating with either stressed or unstressed Bifidobacterium , thereby suggesting that tet (W) could not be transferred as a result of exposure to gastrointestinal stresses...
2018: Bioscience of Microbiota, Food and Health
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