Bacterial microbiology and microbial risk assessment quantitative microbial risk assessment. Medical search. Frequent questions

To determine the extent of antimicrobial susceptibility testing of S. pneumoniae and the prevalence of penicillin resistance among pneumococcal isolates from July 1992 through June 1993, in August 1993 the Connecticut Department of Public Health and Addiction Services (DPHAS) surveyed all 44 hospitals with clinical microbiology laboratories in Connecticut. (cdc.gov)
Important progress made in the fields of instruments, reagents and techniques have make it easier to adapt to the important changes of the clinical microbiology context e.g. increasing use of microbiology tests, shortage of qualified personnel. (isid.org)
Although clinical microbiology typically relies on single-colony picks (which has the potential to underestimate species diversity and transmission events), within-host diversity of E. coli in the gut is crucial to our understanding of inter-strain competition and co-operation and also for accurate diagnosis and epidemiological analyses. (peerj.com)
European Journal of Clinical Microbiology and Infectious Diseases. (lu.se)

A small number of studies reported that consumption of veal liver was associated with an increased risk of human illness from these two pathogens. (usda.gov)
As a novel antibacterial agent against foodborne pathogens, endolysins are peptidoglycan hydrolases encoded by bacteriophages that lyse bacterial cells by targeting their cell wall, notably in Gram-positive bacteria due to their naturally exposed peptidoglycan layer. (usda.gov)
Nosocomial Pathogens and Laboratories Br, Hospital Infections Program, Childhood and Respiratory Diseases Br, Div of Bacterial and Mycotic Diseases, National Center for Infectious Diseases, CDC. (cdc.gov)
In the paper, we build a quantitative model for the emergence of antibiotic resistance genes in human pathogens and populate it using the few numbers that are available on different processes (bacterial uptake, horizontal gene transfer rates, rate of mobilization of chromosomal genes, etc.) in the literature (1) . (microbiology.se)
By tracking ARGs currently present in human pathogens across bacterial genomes, it may be possible to trace the evolutionary history of these genes and thereby identify their likely hosts at the beginning of the antibiotic era, similar to what was done by Stefan Ebmeyer and his colleagues (2) . (microbiology.se)
In health, microbial communities exist in a homeostatic balance with the host that contributes to ecosystem stability and provides resistance to colonization by exogenous pathogens. (biomedcentral.com)
This approach could be used to identify and promote micro-organisms with beneficial effects against residue-borne pathogens, and more broadly, to decipher the complex interactions between multi-species pathosystems and other microbial components in crop residues. (biorxiv.org)
The results showed that the susceptibility of both pathogens decreased significantly with increasing bacterial concentrations. (hocl.com)
Typical bacterial pathogens that cause CAP include Streptococcus pneumoniae , Haemophilus influenzae , and Moraxella catarrhalis . (medscape.com)
The term "typical" CAP refers to a bacterial pneumonia caused by pathogens such as S pneumoniae , H influenzae , and M catarrhalis . (medscape.com)

International Journal of Food Microbiology , 370 , 109639. (ivaneklab.com)

The first task of the microbiology laboratory is accurately, consistently and rapidly to identify the responsible agents to species level and identify their antimicrobial resistance patterns. (isid.org)

Fecal microbiota analysis of children with small intestinal bacterial overgrowth among residents of an urban slum in Brazil. (siboinfo.com)

Aim Campylobacter is the leading bacterial pathogen that causes foodborne illnesses worldwide. (usda.gov)
2) updating the estimated fraction of human foodborne Campylobacter infections caused by poultry to reflect declines in microbial loads on chicken carcasses since 1992 reduces the estimated risk by a factor of perhaps 1/10 ( 3 ) (the cited 90% estimate by Hurd et al. (cdc.gov)
Bacterial foodborne disease: medical costs and productivity losses. (cdc.gov)
Although blueberries are considered low risk for foodborne contamination because of their low pH, they were related to a possible outbreak of listeriosis in Connecticut in 1984 [ 11 ]. (iospress.com)
Recent changes in human demographics and food preferences, changes in food production and distribution systems, microbial adaptation, and lack of support for public health resources and infrastructure have led to the emergence of novel as well as traditional foodborne diseases. (cdc.gov)
With increasing travel and trade opportunities, it is not surprising that now there is a greater risk of contracting and spreading a foodborne illness locally, regionally, and even globally. (cdc.gov)

Our focus is on the challenges to diagnosing wound infection, including accurately determining risk factors, differentiating colonization from infection, and understanding the gold standard for diagnosing wound infection. (woundsource.com)
The human oral cavity is a highly complex ecosystem in which the tooth- and soft-tissue surfaces offer distinct ecological niches for microbial colonization. (biomedcentral.com)
Bacterial colonization and invasive as extent and depth of injury, patient age, bacterial infection are still major problems associated conditions and the presence of in the treatment of burn victims. (who.int)
Caries is an infectious and transmissible disease associated with bacterial colonization of dental surfaces 1 . (bvsalud.org)
Several studies have demonstrated that the colonization and accumulation of Streptococcus mutans is associated with dental caries in humans, since they are influenced by various factors in the oral cavity, such as nutrition and hygiene conditions of the host, salivary components, cleaning power and salivary flow and characteristics related with microbial virulence factors 3 . (bvsalud.org)

The work of the BfR is based on a number of national legal regulations - including the founding law of the Federal Institute for Risk Assessment, the Food and Feed Code (LFGB), Protection Against Infection Act (IfSG), Plant Protection Act, Chemicals Act, Washing and Cleaning Agents Act), and Genetic Engineering Act. (wikipedia.org)
The first evidence of the association between potable water from shower and nosocomial legionellosis was reported approximately 20 years ago ( 1 ), and the hot water system is thought to be the most frequent source of cases or outbreaks within a hospital ( 2 , 3 ), where patients may be at a higher risk for a severe infection ( 4 - 6 ). (cdc.gov)
The assessment of infection in a chronic wound is a clinical skill, and the decision to prescribe antibiotics or apply topical antimicrobial agents should be based primarily on clinical presentation. (woundsource.com)
A representative of the microbiology laboratory staff must be an active member of the ICC and a consultant to the infection control and prevention (ICP) program. (isid.org)
If necessary, the microbiologist gives training in basic microbiology to ICC and antimicrobial stewardship members and provides expertise (e.g., quality of preanalytical phase, interpretation of culture and antimicrobial susceptibility results, ready to use microbiological strategies to deal with each specific infection control situation, evaluation of resources needed). (isid.org)
Because compound fractures at the time almost invariably were associated with infection, amputation was the only option, despite a 25-90% risk of amputation stump infection. (medscape.com)
The aim of this study was to characterise the impact of a resistance gene against L. maculans infection on residue microbial communities and to identify micro-organisms interacting with this pathogen during residue degradation. (biorxiv.org)
Little is known about the genomic diversity of Escherichia coli in healthy children from sub-Saharan Africa, even though this is pertinent to understanding bacterial evolution and ecology and their role in infection. (peerj.com)
Their presentations considered (a) the positive influences of water consumption on kidney diseases and urinary tract infection (UTI), (b) human neuroendocrine regulation of water and electrolytes, and (c) low daily water consumption as an epidemiologic risk factor for chronic diseases. (thefactsaboutwater.org)
The recommended schedule for monitoring is based on the patient's risk for chronic infection. (medscape.com)

To assess water quality and water security in rural and urban areas of southern Brazil, a quantitative, retrospective analysis of water samples collected monthly by the Brazilian health authorities (19,687 samples from 2013 to 2021) was performed. (iwaponline.com)

This paper has a quite interesting backstory, beginning with me having leftover time on a bus ride in Madison (WI), thinking about whether you could quantize the conceptual framework for resistance gene emergence we described in our 2018 review paper in FEMS Reviews Microbiology (3) . (microbiology.se)
2018. Predator-prey mass ratio drives microbial activity under dry conditions in Sphagnum peatlands. (unine.ch)

The spread of antibiotic resistance within and between different bacterial populations is a major health problem on a global scale. (oslomet.no)

Professor Jeremy S Webb is Professor of Microbiology within Biological Sciences at the University of Southampton. (southampton.ac.uk)

Distribution patterns of soil microbial eukaryotes suggests widespread algivory by phagotrophic protists as an alternative pathway for nutrient cycling. (unine.ch)

Environmental Microbiology 24(12), pp. 6426-6438. (cardiff.ac.uk)
Applied and Environmental Microbiology , 87 (21), e00799-21. (ivaneklab.com)

1987). An alternative means of demonstrating the relationship to health risk is through correlation between prospective indicator concentration and pathogen levels (Gerba et al. (nationalacademies.org)
The most common bacterial pathogen overall is S pneumoniae , although, in some settings, including in the United States, its incidence is decreasing, possibly owing to vaccination. (medscape.com)

Good microbiological laboratory practices (GMLP) are designed to protect both workers (i.e., lab staff, non-lab staff and researchers) and research material (i.e., organisms and equipment) in the microbiology laboratory. (pharmadigests.com)
GradTrac is available to Biology majors with an option in Botany, Environmental Biology, Medical Sciences, Microbiology, or Zoology, and to Clinical Laboratory Science majors. (wiu.edu)
Majors are offered in Biology (with options in Botany, Environmental Biology, Microbiology, Zoology, Medical Sciences, and Science/Biology Teacher Education) and Clinical Laboratory Science leading to a Bachelor of Science degree. (wiu.edu)
The microbiology laboratory plays an important role in the surveillance, treatment, control and prevention of nosocomial infections. (isid.org)
The microbiology laboratory is a surveillance and early warning system. (isid.org)
The microbiology laboratory is also involved in the detection and investigation of outbreaks. (isid.org)
The microbiology laboratory plays an important role in antimicrobial stewardship, which aim is to optimize antibiotic prescribing to improve patient outcomes, minimize potential toxicity, prevent emergence of resistance and reduce healthcare costs. (isid.org)
An overview of nosocomial infections, including the role of the microbiology laboratory. (medscape.com)

The primary objective of this study was to investigate if extended antibiotic treatment against bacterial vaginosis (BV) together with adjuvant lactobacilli treatment could cure BV and, furthermore, to investigate factors that could cause relapse. (biomedcentral.com)
In all, 63 consecutive women with bacterial vaginosis diagnosed by Amsel criteria were offered a much more aggressive treatment of BV than used in normal clinical practice with repeated antibiotic treatment with clindamycin and metronidazole together with vaginal gelatine capsules containing different strains of lactobacilli both newly characterised and a commercial one (10 9 freeze-dried bacteria per capsule). (biomedcentral.com)
Unfortunately, eradication of the infective plague affecting surgical wounds has not ended because of the insurgence of antibiotic-resistant bacterial strains and the nature of more adventurous surgical intervention in immunocompromised patients and in implant surgery. (medscape.com)

Lactic acid was more effective inhibiting bacterial growth compared to malic acid. (iospress.com)
First-generation semisynthetic cephalosporin that arrests bacterial cell wall synthesis, inhibiting bacterial growth. (medscape.com)

2014 ) Impact of alternate use of methanol on n-hexane biofiltration and microbial community structure diversity Biochemical Engineering Journal . (academictree.org)
This research was aimed to evaluate the microbial diversity of the wooden shelves used for the ripening of Protected Denomination of Origin (PDO) Pecorino di Filiano and Protected Geographical Indication (PGI) Canestrato di Moliterno cheeses. (bvsalud.org)
Microbial communities in the human small intestine: coupling diversity to metagenomics. (springer.com)
I employ a range of meta-omics approaches including: meta-barcoding of microbiomes to assess microbial diversity coupled with the use of comparative meta-genomics and meta-transcriptomics in the frame of interdisciplinary and integrated research projects to link structural and functional diversity of microbes with diversity and community composition of plant communities. (ufz.de)

2023. Risk of organism acquisition from prior room occupants: An updated systematic review . (cardiff.ac.uk)

2012. Prevalence of antibodies to bovine viral diarrhoea virus in bulk tank milk and associated risk factors in Scottish dairy herds . (hutton.ac.uk)
Hydrogen breath test to detect small intestinal bacterial overgrowth: a prevalence case-control study in autism. (siboinfo.com)
Due to its multifactorial nature and microbial origin, the severity and prevalence of caries can be greatly affected by the endogenous conditions within each host individual 2 . (bvsalud.org)

Evolution of quantitative bacteriology in wound management. (medscape.com)

Adherence of P. gingivalis strains to serum-coated surfaces was studied with confocal microscopy and 2D-gel electrophoresis of bacterial supernatants used to investigate extracellular proteins. (biomedcentral.com)
Leaves at the flowering stage against microbial strains causing oral and wound infections. (iti.lk)

2014 ) Human mitochondrial DNA and endogenous bacterial surrogates for risk assessment of graywater reuse. (academictree.org)
Therefore, the presence of S. mutans in individuals with low caries experiences could be explained by differences in bacterial virulence factors or endogenous factors within the host populations. (bvsalud.org)

Hunger and microbiology: is a low gastric acid-induced bacterial overgrowth in the small intestine a contributor to malnutrition in developing countries? (siboinfo.com)

Streptococcus pneumoniae is an important cause of community-acquired bacterial pneumonia, meningitis, acute otitis media, and other infections (1). (cdc.gov)

Lastly, risk for legionellosis was retrospectively evaluated by collecting information about pneumonia symptoms recorded by residents at home. (cdc.gov)

Listeria monocytogenes represents high risk for consumers, since it can grow under refrigeration and acidic environments by developing acid tolerance response (ATR). (iospress.com)
The bad , of de slechte bacteriën, zoals Listeria monocytogenes , kunnen infectie en ziekte veroorzaken. (scriptieprijs.be)
Om onderdrukking en competitieve interacties tussen enerzijds Listeria monocytogenes en anderzijds enkele goede bacteriën vanop sla te onderzoeken, werd een modelsysteem ontwikkeld in het labo, namelijk sla-agar. (scriptieprijs.be)

The microbiology processes are becoming increasingly more complex. (isid.org)
My work also focus to disentangle the relationship between below ground inter- and intra-kingdom microbial co-occurrence and interaction networks, patterns of functional gene profiles and its implication in understanding ecosystem processes in different microbial hotspots. (ufz.de)

Dysbiosis in subgingival microbial communities, resulting from increased inflammatory transudate from the gingival tissues, is an important factor in initiation and development of periodontitis. (biomedcentral.com)
Dysbiotic subgingival communities are characterized by a relative increase in abundance of anaerobic, Gram-negative bacterial species that can exploit protein-rich GCF as a nutrient source, promoting development of a proteolytic community phenotype. (biomedcentral.com)
A combination of linear discriminant analysis and ecological network analysis was used to compare the microbial communities and to identify micro-organisms interacting with L. maculans . (biorxiv.org)
We will follow 360 newborns from 3 sites along a rural-urban gradient in northern coastal Ecuador, characterising enteric infections and gut microbial communities in the children every 3 to 6 months over their first 2 years of life. (bmj.com)

For almost 40 years, Bonde's (1966) attributes of an ideal indicator have served as an effective model of how a fecal contamination index for public health risk and treatment efficiency should function ( Box 4-1 ). (nationalacademies.org)
In urban areas, 1,268 (10.95%) of the samples contained coliform bacteria and 293 (2.53%) of these samples contained E. coli , with the factor of rainfall associated with 1,081 samples (9.33%) with bacterial contamination. (iwaponline.com)

Specified Elective Courses" must exclusively be selected from amongst a list of courses within the categories of either "Pollution Control and Modeling", or "Molecular Ecology and Microbial Biotechnology", or "Socio-Ecological Sustainability" concentration areas. (boun.edu.tr)

The interdisciplinary Risk Communication department conducts research projects on risk perception, early risk detection and risk impact assessment relating to new methods such as nanotechnology, changes in the nutritional behaviour of consumers following risk communication, or the prioritisation of risks by different social interest groups. (wikipedia.org)
Historic definitions of microbial indicators, such as coliforms, have been tied to the methods used to measure them. (nationalacademies.org)
Cox LA Jr . Quantitative health risk analysis methods: modeling the human health impacts of antibiotics used in food animals. (cdc.gov)
the way the immunocompromised host and the aggressive ICU environment interact is only partially discovered, the available biomarkers for diagnosis are not sufficient to ensure prompt differentiation between sick patients and patients at risk, the microbiological cultures require invasive techniques and time consuming methods. (springeropen.com)
Assessment of Phytochemical Contents and Total Antioxidant Capacity of Five Medicinal Plants with Cosmetic Potential under Three Different Drying Methods. (iti.lk)
dc.title: Applications of the indirect fluorescent antibody test in malaria dc.contributor.author: SIVANESARAJAH, Y dc.description.abstract: Various methods have been employed in the epidemiological assessment of malaria. (who.int)

In periodontitis, however, the development of periodontal pockets as a result of breakdown of the bone and soft-tissues supporting the teeth, creates a new subgingival niche that promotes growth of bacterial species suited to the environment. (biomedcentral.com)
This procedure is superior after hospital discharge, 54% of patients to the swab culture in identifying different showed symptoms of moderate to severe bacterial species. (who.int)
The mouth is home to hundreds of bacterial species with various nutritional preferences. (medscape.com)
About 80-90% of halitosis is due to intraoral microbial species that populate on the tongue, teeth, and periodontal biofilms. (medscape.com)

My research focuses on antimicrobial biocides, an area of continuing global importance due in part to the rise in hospital acquired infections (HAIs) and emerging microbial resistance. (cardiff.ac.uk)
It is envisaged that these dual-functional materials will be capable of inhibiting biofilm formation when deployed as a coating on medical devices, protecting patients from bacterial infections, while simultaneously providing visual feedback to healthcare professionals if the material has reached the end of its anti-infective lifespan. (qub.ac.uk)
Overall, the project will develop antimicrobial coatings which can reduce the risk of medical device-related infections. (qub.ac.uk)
A particulate matter: How environmental irritants and particulate matter increase sensitivity to bacterial respiratory tract infections. (lu.se)

Growth of L. monocytogenes is among the most important factors affecting the risk of human listeriosis. (bvsalud.org)

When the adjacent gingival soft-tissues are inflamed, the flow of serum-like transudate (gingival crevicular fluid, GCF) into the pocket increases and under the influence of this environmental perturbation, homeostasis in the subgingival microbial community can be disturbed giving rise to dysbiosis that predisposes the site to disease [ 3 ]. (biomedcentral.com)
Interleukin-22 Prevents Microbial Dysbiosis and Promotes Intestinal Barrier Regeneration Following Acute Injury. (siboinfo.com)
Intestinal alkaline phosphatase deficiency leads to dysbiosis and bacterial translocation in the newborn intestine. (siboinfo.com)

Introduction The functional consequences of the bacterial gut microbiome for child health are not well understood. (bmj.com)

Associate Professor Centre in Microbiology. (southampton.ac.uk)
Koch (Professor of Hygiene and Microbiology, Berlin, 1843-1910) first recognized the cause of infective foci as secondary to microbial growth in his 19th century postulates. (medscape.com)

Nine laboratories screened pneumococcal isolates by disk diffusion, then confirmed penicillin resistance by determination of a quantitative MIC. (cdc.gov)

Since 1973 in the US, five bacterial illness outbreaks have been attributed to berries [ 8, 10 ] and most of them were related to strawberries contaminated with Staphylococcus aureus (1985), Salmonella Group B (2003), and enterohemorragic E. coli O26 (2006). (iospress.com)

The following specialised groups are established in the department: Crisis Prevention and Coordination Risk Research, Perception, Early Detection and Impact Assessment Press and Public Relations Scientific Event Management A key task of the department for Exposure is the analysis, modelling and estimation of consumer exposure to the undesirable substances and microbiological hazards to be assessed by the BfR. (wikipedia.org)
Antoine Depage (Belgian military surgeon, 1862-1925) reintroduced wound debridement and delayed wound closure and relied on microbiological assessment of wound brushings as guidance for the timing of secondary wound closure. (medscape.com)

Biofilms are increasingly recognised as the predominant mode of bacterial growth including within medical, engineered, and environmental contexts. (southampton.ac.uk)
We discovered that exogenous nitric oxide can act as a signal for the dispersal of bacterial biofilms. (southampton.ac.uk)

Journal of Eukaryotic Microbiology 64: 729-739. (unine.ch)
Journal of Applied Microbiology 133(6), pp. 3322-3346. (cardiff.ac.uk)

Microbiology lab is manual process based lab, less automation than chemistry lab, less regulatory guidance for microbiologist so that DI issue is the major concern in Microbiology lab. (pharmadigests.com)

2005. Variation for neutral markers is correlated with variation for quantitative traits in the plant pathogenic fungus Mycosphaerella graminicola . (hutton.ac.uk)

2015 ) Distribution of human-specific bacteroidales and fecal indicator bacteria in an urban watershed impacted by sewage pollution, determined using RNA- and DNA-based quantitative PCR assays. (academictree.org)
2013 ) Correlative assessment of fecal indicators using human mitochondrial DNA as a direct marker. (academictree.org)

Are the estrogenic hormonal effects of environmental toxins affecting small intestinal bacterial and microfilaria overgrowth? (siboinfo.com)

This study discussed the effects of different bacterial concentrations and centrifugations on the antimicrobial efficacy of electrolyzed oxidizing (EO) water on Bacillus subtilis and Escherichia coli O157:H7. (hocl.com)

Serial dilutions were then made to evaluate microbial viability. (bvsalud.org)

According to the definition "risk = hazard x exposure", it checks for every risk assessment whether and in which concentration consumers are exposed to hazardous noxious agents and thus describes the magnitude of a risk. (wikipedia.org)
The most important biological attribute is a strong quantitative relationship between indicator concentration and the degree of public health risk. (nationalacademies.org)

This project aims to develop new carbohydrate-functionalised polymeric surfaces which will inhibit bacterial adhesion. (qub.ac.uk)

Oral malodor is primarily the result of microbial metabolism. (medscape.com)

In this study we used culture-dependent and RNA-based pyrosequencing to investigate the bacterial community structure of Masa Agria samples produced in the south west of Colombia. (who.int)

Consumer health protection comprises the research, assessment and communication of risks. (wikipedia.org)
The BfR has the statutory remit of communicating risks and informing the public about possible health risks and the research findings on which they are based in the fields of food safety, chemicals safety and product safety. (wikipedia.org)
Microbial water quality indicators are used in a variety of ways within public health risk assessment frameworks, including assessment of potential hazard, exposure assessment, contaminant source identification, and evaluating effectiveness of risk reduction actions. (nationalacademies.org)

As amino acid variations are likely to be correlated with differences in biological risk, molecular characterization, such as that described in this paper, could be the key for assessing the development of dental caries in children. (bvsalud.org)

Currently, the lack of robust tools to identify the individuals with a high degree of risk for tooth loss means that even people who may not develop severe disease undergo intensive treatment, placing a significant burden on healthcare budgets in the developed world. (biomedcentral.com)

The Norwegian Scientific Committee for Food and Environment (VKM) initiated this work to examine the extent to which organisms developed by genome-editing technologies pose new challenges in terms of risk assessment. (oslomet.no)

Inhibits bacterial growth possibly by blocking dissociation of peptidyl tRNA from ribosomes, causing RNA-dependent protein synthesis to arrest. (medscape.com)

In this context, it is not just the risks themselves that are important, but also their communication in the media and how they are perceived. (wikipedia.org)

This chapter describes desirable attributes of an indicator, typical applications of indicators, indicator attributes that are appropriate for such applications, and provides an assessment of whether current indicators and indicator approaches are meeting the needs of each application. (nationalacademies.org)

Small Intestinal Bacterial Overgrowth and Irritable Bowel Syndrome: A Bridge between Functional Organic Dichotomy. (siboinfo.com)

Analytical, Diagnostic and Therapeutic Techniques and Equipment1

Disciplines and Occupations1

Health Care2

Clinical microbiology4

Pathogens10

Food Microbiology1

Antimicrobial Resistance1

Microbiota1

Foodborne6

Colonization5

Infection10

20211

20182

Spread of antibiotic resistance1

Biological Sciences1

Soil microbial1

Environmental Microbiology2

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Laboratory8

Antibiotic3

Inhibiting bacterial growth2

Diversity4

20231

Prevalence3

Bacteriology1

Strains2

Endogenous2

Small intestine1

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Pneumonia1

Listeria3

Processes2

Communities4

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Infections4

Factors1

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Microbiome1

Professor2

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