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https://www.readbyqxmd.com/read/29240337/nucleic-acid-diagnostic-approaches-in-parasitology
#1
Anne-Marie Kerttula, Antti Lavikainen
Nucleic acid diagnostic technologies are partly replacing traditional microscopy and antigen detection methods in parasitological diagnostics. In particular, the diagnostics of parasitic diarrhea is undergoing a transformation due to the application of polymerase chain reaction (PCR) tests. Diagnostics of malaria is still based on microscopy, but rapid nucleic acid tests are emerging. Laboratories of clinical microbiology in Finland currently provide PCR tests e.g. for intestinal protozoa, Toxoplasma and Trichomonas...
2017: Duodecim; Lääketieteellinen Aikakauskirja
https://www.readbyqxmd.com/read/29239563/a-geographical-information-system-for-the-management-of-the-aquaculture-data-in-the-adriatic-sea-the-strengthening-of-centres-for-aquaculture-production-and-safety-surveillance-in-the-adriatic-countries-experience-present-capabilities-tools-and-functions
#2
Susanna Tora, Silvio Sacchini, Eddy Listeš, Tanja Bogdanović, Alessio Di Lorenzo, Muhamed Smajlović, Ahmed Smajlović, Jelena V Filipović, Vildana Tahirović, Danijela Šuković, Bojan Beljkas, Ardian Xinxo, Renis Maçi, Patrizia Colangeli, Federica Di Giacinto, Annamaria Conte
The European Commission (EC) regulation no. 854/2004 requires a systematic monitoring of chemical and microbiological contaminants in live bivalve molluscs, live echinoderms, live tunicates and live marine gastropods for human consumption through surveillance plans to be implemented in all European Union (EU) countries.A consortium of five Adriatic countries was set up in the framework of the Instrument of Pre-accession Assistance Adriatic Cross-border Cooperation Programme (IPA Adriatic CBC) 2007- 2013 with the aim of collecting data and distribute information on harvesting and production in mollusc areas...
November 8, 2017: Geospatial Health
https://www.readbyqxmd.com/read/29238198/oral-microbiome-and-peri-implant-diseases-where-are-we-now
#3
REVIEW
Rafał Pokrowiecki, Agnieszka Mielczarek, Tomasz Zaręba, Stefan Tyski
Peri-implant infective diseases (PIIDs) in oral implantology are commonly known as peri-implant mucositis (PIM) and periimplantitis (PI). While PIM is restricted to the peri-implant mucosa and is reversible, PI also affects implant-supporting bone and, therefore, is very difficult to eradicate. PIIDs in clinical outcome may resemble gingivitis and periodontitis, as they share similar risk factors. However, recent study in the field of proteomics and other molecular studies indicate that PIIDs exhibit significant differences when compared to periodontal diseases...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29233427/master-of-pharmacy-students-knowledge-and-awareness-of-antibiotic-use-resistance-and-stewardship
#4
João Inácio, Lara-Marie Barnes, Simon Jeffs, Patrícia Castanheira, Myra Wiseman, Sónia Inácio, Lucas Bowler, Alison Lansley
INTRODUCTION: Antibiotic resistance has become a global public health concern. In this study, we investigated the knowledge and awareness of antibiotic use, resistance and stewardship, held by the pharmacy students currently studying at the University of Brighton. METHODS: This was a cross-sectional, online survey, and email invitations to participate were sent to all students attending our Master of Pharmacy (MPharm) course (n=583). Students' knowledge was assessed with 29 items; responses for these were totaled before comparison among students...
July 2017: Currents in Pharmacy Teaching & Learning
https://www.readbyqxmd.com/read/29230200/from-genes-to-ecosystems-in-microbiology-modeling-approaches-and-the-importance-of-individuality
#5
REVIEW
Jan-Ulrich Kreft, Caroline M Plugge, Clara Prats, Johan H J Leveau, Weiwen Zhang, Ferdi L Hellweger
Models are important tools in microbial ecology. They can be used to advance understanding by helping to interpret observations and test hypotheses, and to predict the effects of ecosystem management actions or a different climate. Over the past decades, biological knowledge and ecosystem observations have advanced to the molecular and in particular gene level. However, microbial ecology models have changed less and a current challenge is to make them utilize the knowledge and observations at the genetic level...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29229108/infection-control-genetic-assessment-of-drug-resistance-and-drug-susceptibility-testing-in-the-current-management-of-multidrug-extensively-resistant-tuberculosis-m-xdr-tb-in-europe-a-tuberculosis-network-european-trialsgroup-tbnet-study
#6
Graham H Bothamley, Christoph Lange
AIM: Europe has the highest documented caseload and greatest increase in multidrug and extensively drug-resistant tuberculosis (M/XDR-TB) of all World Health Organization (WHO) regions. This survey examines how recommendations for M/XDR-TB management are being implemented. METHODS: TBNET is a pan-European clinical research collaboration for tuberculosis. An email survey of TBNET members collected data in relation to infection control, access to molecular tests and basic microbiology with drug sensitivity testing...
November 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/29228383/oral-fungal-bacterial-biofilm-models-in-vitro-a-review
#7
Marlene Chevalier, Stephane Ranque, Isabelle Prêcheur
Inclusion of fungi as commensals in oral biofilm is an important innovation in oral biology, and this work aimed to review the literature on the available biofilm and related disease in vitro models. Actually, thousands of bacterial and around one hundred of fungal phylotypes can colonize the oral cavity. Taxonomic profiling combined with functional expression analysis has revealed that Candida albicans, Streptococcus mutans and prominent periodontopathogens are not always present or numerically important in candidiasis, caries, or periodontitis lesions...
December 8, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/29228335/gram-scale-production-of-recombinant-microbial-enzymes-in-shake-flasks
#8
Lukas Chrast, Radka Chaloupkova, Jiri Damborsky
Heterologous production of recombinant proteins is a cornerstone of microbiological and biochemical research as well as various biotechnological processes. Yields and quality of produced proteins have a tremendous impact on structural and enzymology studies, development of new biopharmaceuticals and establishing new biocatalytic processes. Majority of current protocols for recombinant protein expression in Escherichia coli exploit batch cultures with complex media, often providing low yields of the target protein due to oxygen transfer limitation, rapid depletion of carbon sources, and pH changes during the cultivation...
December 5, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/29224881/early-lactation-extended-pirlimycin-therapy-against-naturally-acquired-staphylococcus-aureus-intramammary-infections-in-heifers-a-randomized-controlled-trial
#9
S Skoulikas, S Dufour, D Haine, J-Y Perreault, J-P Roy
The primary objective of the current study was to evaluate cure rate following an early-lactation extended intramammary pirlimycin treatment on heifers naturally infected by Staphylococcus aureus. The secondary objective was to assess Petrifilm Staph Express (3M Microbiology, St. Paul, MN) count plate characteristics when used in a protocol for early-lactation detection of infected quarters in heifers. Milk samples were collected from heifers (n = 946) in the first few days following calving (mean = 5 d). Heifers with laboratory-confirmed S...
December 7, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29223972/intravaginal-boric-acid-is-it-an-alternative-therapeutic-option-for-vaginal-trichomoniasis
#10
Nicola Thorley, Jonathan Ross
OBJECTIVES: Trichomoniasis, caused by Trichomonas vaginalis (TV), is the most common curable sexually transmitted infection worldwide. Current guidance in the UK is to treat TV with a nitroimidazole antibiotic. The high prevalence of TV, high rate of antibiotic resistance and limited tolerability to nitroimidazoles suggest that alternative treatment regimens are needed. Intravaginal boric acid (BA) has been used safely for the treatment of candida vulvovaginitis and bacterial vaginosis, and in vitro studies suggest BA is active against TV...
December 9, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/29218304/from-invention-to-innovation-risk-analysis-to-integrate-one-health-technology-in-the-dairy-farm
#11
Andrea Lombardo, Carlo Boselli, Simonetta Amatiste, Simone Ninci, Chiara Frazzoli, Roberto Dragone, Alberto De Rossi, Gerardo Grasso, Alberto Mantovani, Giovanni Brajon
Current Hazard Analysis Critical Control Points (HACCP) approaches mainly fit for food industry, while their application in primary food production is still rudimentary. The European food safety framework calls for science-based support to the primary producers' mandate for legal, scientific, and ethical responsibility in food supply. The multidisciplinary and interdisciplinary project ALERT pivots on the development of the technological invention (BEST platform) and application of its measurable (bio)markers-as well as scientific advances in risk analysis-at strategic points of the milk chain for time and cost-effective early identification of unwanted and/or unexpected events of both microbiological and toxicological nature...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/29216183/presentation-of-life-threatening-invasive-nontyphoidal-salmonella-disease-in-malawian-children-a-prospective-observational-study
#12
Calman A MacLennan, Chisomo L Msefula, Esther N Gondwe, James J Gilchrist, Paul Pensulo, Wilson L Mandala, Grace Mwimaniwa, Meraby Banda, Julia Kenny, Lorna K Wilson, Amos Phiri, Jenny M MacLennan, Elizabeth M Molyneux, Malcolm E Molyneux, Stephen M Graham
Nontyphoidal Salmonellae commonly cause invasive disease in African children that is often fatal. The clinical diagnosis of these infections is hampered by the absence of a clear clinical syndrome. Drug resistance means that empirical antibiotic therapy is often ineffective and currently no vaccine is available. The study objective was to identify risk factors for mortality among children presenting to hospital with invasive Salmonella disease in Africa. We conducted a prospective study enrolling consecutive children with microbiologically-confirmed invasive Salmonella disease admitted to Queen Elizabeth Central Hospital, Blantyre, in 2006...
December 7, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29207304/evaluating-statistical-model-performance-in-water-quality-prediction
#13
Rodelyn Avila, Beverley Horn, Elaine Moriarty, Roger Hodson, Elena Moltchanova
Exposure to contaminated water while swimming or boating or participating in other recreational activities can cause gastrointestinal and respiratory disease. It is not uncommon for water bodies to experience rapid fluctuations in water quality, and it is therefore vital to be able to predict them accurately and in time so as to minimise population's exposure to pathogenic organisms. E. coli is commonly used as an indicator to measure water quality in freshwater, and higher counts of E. coli are associated with increased risk to illness...
December 2, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/29206938/misidentification-of-acinetobacter-baumannii-as-alcaligenes-faecalis-by-vitek-2-system-case-report
#14
Suekyeung Kim, Myeong Hee Kim, Woo In Lee, So Young Kang, You La Jeon
Acinetobacter baumannii (A. baumannii) is widely known as an opportunistic bacterial pathogen that causes infection more frequently among immunocompromised individuals. Our case demonstrated the limitation of the current VITEK 2 system for the idendification of A. baumannii. Four clinical isolates of A. baumannii were identified as Alcaligenes faecalis by the VITEK 2 system. Misidentification might lead to unnecessary tests and inappropriate treatments. Additional methods appear to be helpful for the accurate identification of A...
December 1, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/29203445/rapid-monitoring-of-local-epidemiology-of-vancomycin-resistant-enterococcus-faecium-on-a-department-level-by-reppcr
#15
Frank Froeschen, Mike Gajdiss, Julia Uebele, Alina Meilaender, Achim Hoerauf, Martin Exner, Ernst Molitor, Gabriele Bierbaum, Steffen Engelhart, Isabelle Bekeredjian-Ding
BACKGROUND: The current increase in nosocomial infections caused by vancomycin-resistant enterococci (VRE) warrants improvement of detection methods and hygiene measures. Knowledge of the local epidemiology is important for monitoring compliance of medical personnel with hygiene measures. AIM: We evaluated semi-automated repPCR for rapid molecular typing of VRE. METHODS: Primary VRE isolates were collected over an observation period of one year and retrospectively typed by repPCR...
December 1, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/29195988/recent-advances-in-microencapsulation-of-natural-sources-of-antimicrobial-compounds-used-in-food-a-review
#16
REVIEW
Javier Castro-Rosas, Carlos Raimundo Ferreira-Grosso, Carlos Alberto Gómez-Aldapa, Esmeralda Rangel-Vargas, María Luisa Rodríguez-Marín, Fabiola Araceli Guzmán-Ortiz, Reyna Nallely Falfan-Cortes
Food safety and microbiological quality are major priorities in the food industry. In recent years, there has been an increasing interest in the use of natural antimicrobials in food products. An ongoing challenge with natural antimicrobials is their degradation during food storage and/or processing, which reduces their antimicrobial activity. This creates the necessity for treatments that maintain their stability and/or activity when applied to food. Microencapsulation of natural antimicrobial compounds is a promising alternative once this technique consists of producing microparticles, which protect the encapsulated active substances...
December 2017: Food Research International
https://www.readbyqxmd.com/read/29195194/oxygenic-denitrification-for-nitrogen-removal-with-less-greenhouse-gas-emissions-microbiology-and-potential-applications
#17
REVIEW
Zhanfei He, Yudong Feng, Shijie Zhang, Xiaonan Wang, Shuyun Wu, Xiangliang Pan
Nitrogen pollution is a worldwide problem and has been extensively treated by canonical denitrification (CDN) process. However, the CDN process generates several issues such as intensive greenhouse gas (GHG) emissions. In the past years, a novel biological nitrogen removal (BNR) process of oxygenic denitrification (O2DN) has been proposed as a promising alternative to the CDN process. The classic denitrification four steps are simplified to three steps by O2DN bacteria without producing and releasing the intermediate nitrous oxide (N2O), a potent GHG...
November 27, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29192424/interventions-for-old-world-cutaneous-leishmaniasis
#18
REVIEW
Julio Heras-Mosteiro, Begoña Monge-Maillo, Mariona Pinart, Patricia Lopez Pereira, Ludovic Reveiz, Emely Garcia-Carrasco, Pedro Campuzano Cuadrado, Ana Royuela, Irene Mendez Roman, Rogelio López-Vélez
BACKGROUND: Cutaneous leishmaniasis, caused by a parasitic infection, is considered one of the most serious skin diseases in many low- and middle-income countries. Old World cutaneous leishmaniasis (OWCL) is caused by species found in Africa, Asia, the Middle East, the Mediterranean, and India. The most commonly prescribed treatments are antimonials, but other drugs have been used with varying success. As OWCL tends to heal spontaneously, it is necessary to justify the use of systemic and topical treatments...
December 1, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29188459/petri-dish-versus-winogradsky-column-a-longue-dur%C3%A3-e-perspective-on-purity-and-diversity-in-microbiology-1880s-1980s
#19
Mathias Grote
Microbial diversity has become a leitmotiv of contemporary microbiology, as epitomized in the concept of the microbiome, with significant consequences for the classification of microbes. In this paper, I contrast microbiology's current diversity ideal with its influential predecessor in the twentieth century, that of purity, as epitomized in Robert Koch's bacteriological culture methods. Purity and diversity, the two polar opposites with regard to making sense of the microbial world, have been operationalized in microbiological practice by tools such as the "clean" Petri dish versus the "dirty" Winogradsky column, the latter a container that mimics, in the laboratory, the natural environment that teems with diverse microbial life...
November 29, 2017: History and Philosophy of the Life Sciences
https://www.readbyqxmd.com/read/29188104/open-source-do-it-yourself-multi-color-fluorescence-smartphone-microscopy
#20
Yulung Sung, Fernando Campa, Wei-Chuan Shih
Fluorescence microscopy is an important technique for cellular and microbiological investigations. Translating this technique onto a smartphone can enable particularly powerful applications such as on-site analysis, on-demand monitoring, and point-of-care diagnostics. Current fluorescence smartphone microscope setups require precise illumination and imaging alignment which altogether limit its broad adoption. We report a multi-color fluorescence smartphone microscope with a single contact lens-like add-on lens and slide-launched total-internal-reflection guided illumination for three common tasks in investigative fluorescence microscopy: autofluorescence, fluorescent stains, and immunofluorescence...
November 1, 2017: Biomedical Optics Express
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