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https://www.readbyqxmd.com/read/28199147/microbiological-safety-of-animal-wastes-processed-by-physical-heat-treatment-an-alternative-to-eliminate-human-pathogens-in-biological-soil-amendments-as-recommended-by-the-food-safety-modernization-act
#1
Zhao Chen, Xiuping Jiang
Animal wastes have high nutritional value as biological soil amendments of animal origin for plant cultivation in sustainable agriculture; however, they can be sources of some human pathogens. Although composting is an effective way to reduce pathogen levels in animal wastes, pathogens may still survive under certain conditions and persist in the composted products, which potentially could lead to fresh produce contamination. According to the U.S. Food and Drug Administration Food Safety Modernization Act, alternative treatments are recommended for reducing or eliminating human pathogens in raw animal manure...
February 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28198726/community-acquired-pneumonia-requiring-hospitalization-rational-decision-making-and-interpretation-of-guidelines
#2
Douwe F Postma, Cornelis H van Werkhoven, Jan Jelrik Oosterheert
PURPOSE OF REVIEW: This review focuses on the evidence base for guideline recommendations on the diagnosis, the optimal choice, timing and duration of empirical antibiotic therapy, and the use of microbiological tests for patients hospitalized with community-acquired pneumonia (CAP): issues for which guidelines are frequently used as a quick reference. Furthermore, we will discuss possibilities for future research in these topics. RECENT FINDINGS: Many national and international guideline recommendations, even on critical elements of CAP management, are based on low-to-moderate quality evidence...
February 13, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28188553/a-chemical-and-microbiological-characterization-and-toxicity-assessment-of-the-pan%C3%A4-evo-industrial-complex-wastewater-canal-sediments-serbia
#3
Dragana I Čučak, Jelena M Spasojević, Olivera B Babić, Snežana P Maletić, Jelica B Simeunović, Srđan D Rončević, Božo D Dalmacija, Ivica Tamaš, Dragan V Radnović
The wastewater canal Vojlovica of the Pančevo industrial area, Serbia, is the main collector of the effluents from the local industrial complex. The canal is directly connected to the Europe's second largest river, the Danube. Here, we present a chemical and microbiological analysis of the sediment in order to determine the fate of pollutants over the years, as well as its current condition. Dry matter, clay and organic matter content, a Kjeldahl ammonia, phosphorus, metals, and polychlorinated biphenyls as well as polycyclic aromatic hydrocarbons concentrations were measured...
February 10, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28188552/enhanced-biodegradation-of-low-and-high-density-polyethylene-by-novel-bacterial-consortia-formulated-from-plastic-contaminated-cow-dung-under-thermophilic-conditions
#4
Sinosh Skariyachan, Anagha Shamsundar Setlur, Sujay Yashwant Naik, Ashwini Amaresh Naik, Makam Usharani, Kiran S Vasist
The current study aimed to devise eco-friendly, safe, and cost-effective strategies for enhanced degradation of low- and high-density polyethylene (LDPE and HDPE) using newly formulated thermophilic microbial consortia from cow dung and to assess the biodegradation end products. The plastic-degrading bacteria from cow dung samples gathered from highly plastic-acclimated environments were enriched by standard protocols. The degradation ability was comprehended by zone of clearance method, and the percentage of degradation was monitored by weight reduction process...
February 10, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28188440/pathology-of-infectious-diseases-what-does-the-future-hold
#5
REVIEW
Paul Hofman, Sebastian Lucas, Grégory Jouvion, Arnault Tauziède-Espariat, Fabrice Chrétien, Gieri Cathomas
The demand for expertise in pathology for the diagnosis of infectious diseases (ID) is continually growing, due to an increase in ID in immunocompromised patients and in the (re)-emergence of common and uncommon diseases, including tropical infections and infections with newly identified microbes. The microbiology laboratory plays a crucial role in diagnosing infections, identifying the responsible infectious agents and establishing sensitivity of pathogens to drug therapy. Pathology, however, is the only way to correlate the presence of an infectious agent with the reaction it evokes at cell and tissue level...
February 10, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28188076/cultivation-free-raman-spectroscopic-investigations-of-bacteria
#6
REVIEW
Björn Lorenz, Christina Wichmann, Stephan Stöckel, Petra Rösch, Jürgen Popp
Raman spectroscopy is currently advertised as a hot and ambitious technology that has all of the features needed to characterize and identify bacteria. Raman spectroscopy is rapid, easy to use, noninvasive, and it could complement established microbiological and biomolecular methods in the near future. To bring this vision closer to reality, ongoing research is being conducted on spectral fingerprinting. This can yield a wealth of information, from even single bacteria from various habitats which can be further improved by combining Raman spectroscopy with methods such as stable isotope probing to elucidate microbial interactions...
February 7, 2017: Trends in Microbiology
https://www.readbyqxmd.com/read/28188052/-saccharomyces-cerevisiae-invasive-infection-the-first-reported-case-in-morocco
#7
A Maleb, E Sebbar, M Frikh, S Boubker, A Moussaoui, A El Mekkaoui, W Khannoussi, G Kharrasse, B Belefquih, A Lemnouer, Z Ismaili, M Elouennass
Saccharomyces cerevisiae is a cosmopolitan yeast, widely used in agro-alimentary and pharmaceutical industry. Its impact in human pathology is rare, but maybe still underestimated compared to the real situation. This yeast is currently considered as an emerging and opportunistic pathogen. Risk factors are immunosuppression and intravascular device carrying. Fungemias are the most frequent clinical forms. We report the first case of S. cerevisiae invasive infection described in Morocco, and to propose a review of the literature cases of S...
February 7, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28186464/evaluation-of-antimicrobial-photodynamic-therapy-using-indocyanine-green-and-near-infrared-diode-laser-against-enterococcus-faecalis-in-infected-human-root-canals
#8
Charis Beltes, Nikolaos Economides, Hercules Sakkas, Chrissanthy Papadopoulou, Theodoros Lambrianidis
OBJECTIVE: Photodynamic therapy (PDT) is considered a promising adjunct to the currently available endodontic disinfection techniques leading to more effective reduction of intracanal bacteria. The present ex vivo study aimed to assess the antimicrobial effect of PDT using indocyanine green (ICG) as photosensitizer and a near-infrared (NIR) diode laser in root canals of human teeth infected with Enterococcus faecalis. MATERIALS AND METHODS: Ninety single-rooted teeth after chemomechanical preparation and sterilization were contaminated with an E...
February 9, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28169558/validation-of-metagenomic-next-generation-sequencing-tests-for-universal-pathogen-detection
#9
Robert Schlaberg, Charles Y Chiu, Steve Miller, Gary W Procop, George Weinstock
CONTEXT: -Metagenomic sequencing can be used for detection of any pathogens using unbiased, shotgun next-generation sequencing (NGS), without the need for sequence-specific amplification. Proof-of-concept has been demonstrated in infectious disease outbreaks of unknown causes and in patients with suspected infections but negative results for conventional tests. Metagenomic NGS tests hold great promise to improve infectious disease diagnostics, especially in immunocompromised and critically ill patients...
February 7, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28162132/wohlfahrtiimonas-chitiniclastica-current-insights-into-an-emerging-human-pathogen
#10
P Schröttner, W W Rudolph, U Damme, C Lotz, E Jacobs, F Gunzer
Since the first description of Wohlfahrtiimonas chitiniclastica in 2008, a number of well described case reports demonstrating its pathogenic role in humans have been published. Infections may be closely linked to flies, such as Wohlfahrtia magnifica, Lucilia sericata, Chrysomya megacephala or Musca domestica. These insects are potent vectors for the distribution of W. chitiniclastica causing local or systemic infections originating from wounds infested with fly larvae. However, other potential sources of transmission of W...
February 6, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28159066/the-new-frontier-of-diagnostics-molecular-assays-and-their-role-in-infection-prevention-and-control
#11
Sanchita Das, Dena R Shibib, Michael O Vernon
Recent advances in technology over the last decade have propelled the microbiology laboratory into a pivotal role in infection prevention and control. The rapid adaptation of molecular technologies to the field of clinical microbiology now greatly influences infectious disease management and significantly impacts infection control practices. This review discusses recent developments in molecular techniques in the diagnosis of infectious diseases. It describes the basic concepts of molecular assays, discusses their advantages and limitations, and characterizes currently available commercial assays with respect to cost, interpretive requirements, and clinical utility...
February 1, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28155071/sequential-application-of-waste-whey-as-a-medium-component-for-kluyveromyces-lactis-cultivation-and-a-co-feeder-for-lipase-immobilization-by-clea-method
#12
Aušra Veteikytė, Rimantas Šiekštelė, Bronius Tvaska, Inga Matijošytė
Currently, much attention is paid to technologies which can be drivers of the circular economy across different sectors, in particular, to develop technologies for utilization or reusability of biocompatible materials from industrial waste. One of such is the milk whey, which is a cheap biobased raw material, the disposal of which is a major problem for the dairy industry. Our proposed and investigated technology is based on a continuous exploitation of the whey combining microbiology and biotechnology. Primarily, whey was used as a nutrition source for the cultivation of Kluyveromyces lactis with the aim to produce the targeted biocatalyst-lipase...
February 2, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28151441/accuracy-precision-usability-and-cost-of-portable-silver-test-methods-for-ceramic-filter-factories
#13
Rhiana D Meade, Anna L Murray, Anjuliee M Mittelman, Justine Rayner, Daniele S Lantagne
Locally manufactured ceramic water filters are one effective household drinking water treatment technology. During manufacturing, silver nanoparticles or silver nitrate are applied to prevent microbiological growth within the filter and increase bacterial removal efficacy. Currently, there is no recommendation for manufacturers to test silver concentrations of application solutions or filtered water. We identified six commercially available silver test strips, kits, and meters, and evaluated them by: (1) measuring in quintuplicate six samples from 100 to 1,000 mg/L (application range) and six samples from 0...
February 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28149266/national-external-quality-assurance-program-pakistan-neqapp-a-milestone-in-proficiency-testing-in-pakistan
#14
Muhammad Usman Munir, Aamir Ijaz
OBJECTIVE: The objective of this study was to highlight current status and importance of National External Quality Assurance Program Pakistan (NEQAPP). Study Design: Cross sectional study. PLACE AND DURATION OF STUDY: Department of Chemical Pathology and Endocrinology, Armed Forces Institute of Pathology (AFIP) from August to October 2015. METHODS: The study data was extracted from electronic NEQAPP database. Results from 2014-2015 were evaluated for clinical chemistry, hematology, microbiology, and immunoassay programs...
December 2016: EJIFCC
https://www.readbyqxmd.com/read/28144694/-nationwide-survey-among-institutes-of-microbiology-in-academic-medicine-is-the-interdisciplinary-approach-the-right-way-to-treat-patients-with-urogenital-infections
#15
L Schneidewind, J Kranz, D Schlager, A E Pelzer
BACKGROUND: Increasing antibiotic resistance is a current and severe problem in medicine, especially in urology. Multidisciplinary antibiotic stewardship programmes are an important approach to counteract increasing resistance rates. This approach includes collaboration between urologists and microbiologists. OBJECTIVES: The primary endpoint was to describe the current setting of interdisciplinary work of urologists and microbiologists in university hospitals in Germany...
January 31, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28142193/staphylococcus-aureus-biofilm-a-complex-developmental-organism
#16
REVIEW
Derek E Moormeier, Kenneth W Bayles
Chronic biofilm-associated infections caused by Staphylococcus aureus often lead to significant increases in morbidity and mortality, particularly when associated with indwelling medical devices. This has triggered a great deal of research attempting to understand the molecular mechanisms that control S. aureus biofilm formation and the basis for the recalcitrance of these multicellular structures to antibiotic therapy. The purpose of this review is to summarize our current understanding of S. aureus biofilm development, focusing on the description of a newly-defined, five-stage model of biofilm development and the mechanisms required for each stage...
January 31, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28140652/ciprofloxacin-resistant-neisseria-meningitidis-in-canada-likely-imported-strains
#17
Raymond S W Tsang, Dennis K S Law, Saul Deng, Linda Hoang
The prevalence of ciprofloxacin-resistant Neisseria meningitidis in Canada was studied by testing 346 isolates received at the National Microbiology Laboratory during the calendar years 2013 to 2015. Of the 277 individual invasive and 69 noninvasive isolates tested, only 2 serogroup C (MenC) isolates were found to be resistant to ciprofloxacin. Both MenC were typed as sequence type (ST)-4821, a unique clone found mainly in China, thus suggesting both isolates might be from travel-related or imported cases. This prompted us to also examine 6 serogroup A (MenA) isolates in our collection, since MenA is not currently endemic in Canada...
January 5, 2017: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/28138379/non-invasive-methods-to-diagnose-fungal-infections-in-pediatric-patients-with-hematologic-disorders
#18
Parisa Badiee, Zahra Hashemizadeh, Mani Ramzi, Mohammad Karimi, Rasoul Mohammadi
BACKGROUND: Invasive fungal infection (IFIs) is a major infectious complication in immunocompromised patients. Early diagnosis and initiation of antifungal therapy is important to achieve the best outcome. OBJECTIVES: The current study aimed to investigate the incidence of IFIs and evaluate the diagnostic performance of non-invasive laboratory tests: serologic (β-D-glucan, galactomannan) and molecular (nested polymerase chain reaction) tests to diagnose fungal infections in hematologic pediatric patients...
November 2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/28134741/gram-negative-bacteria-from-patients-with-endophthalmitis-distribution-of-isolates-and-antimicrobial-susceptibilities
#19
Benjamin D Wilson, Nidhi Relhan, Darlene Miller, Harry W Flynn
PURPOSE: To study the distribution of isolates and antimicrobial susceptibility of gram-negative bacteria among culture-positive vitreous samples from patients with endophthalmitis. METHODS: The records from culture-positive vitreous isolates (endophthalmitis cases) during a 24-year period (December 1990 to December 2014), at the Microbiology Department of Bascom Palmer Eye Institute were reviewed. RESULTS: In the current study, gram-negative bacteria were reported in 246 (11...
January 27, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28133869/diagnostic-microbiology-in-veterinary-dermatology-present-and-future
#20
REVIEW
Luca Guardabassi, Peter Damborg, Ivonne Stamm, Peter A Kopp, Els M Broens, Pierre-Louis Toutain
BACKGROUND: The microbiology laboratory can be perceived as a service provider rather than an integral part of the healthcare team. OBJECTIVES: The aim of this review is to discuss the current challenges of providing a state-of-the-art diagnostic veterinary microbiology service including the identification (ID) and antimicrobial susceptibility testing (AST) of key pathogens in veterinary dermatology. METHODS: The Study Group for Veterinary Microbiology (ESGVM) of the European Society of Clinical Microbiology and Infectious Diseases (ESCMID) identified scientific, technological, educational and regulatory issues impacting the predictive value of AST and the quality of the service offered by microbiology laboratories...
February 2017: Veterinary Dermatology
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