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https://www.readbyqxmd.com/read/28507066/the-microbiome-of-site-specific-dental-plaque-of-children-with-different-caries-status
#1
Vincent P Richards, Andres J Alvarez, Amy R Luce, Molly Bedenbaugh, Mary Mitchell, Robert A Burne, Marcelle M Nascimento
The oral microbiota associated with the initiation and progression of dental caries has yet to be fully characterized. The Human Oral Microbe Identification using Next Generation Sequencing (HOMINGS) was used to analyze the microbiomes of site-specific supragingival dental plaques from children with different caries status. Fifty-five children (2-7 years) were assessed at baseline and 12-months, and grouped as: caries-free (CF), caries-active with enamel lesions (CAE), and caries-active with dentin carious lesions (CA)...
May 15, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28384093/antimicrobial-susceptibility-monitoring-of-bacterial-pathogens-isolated-from-urinary-tract-infections-in-dogs-and-cats-across-europe-compath-results
#2
Hilde Moyaert, Ian Morrissey, Anno de Jong, Farid El Garch, Ulrich Klein, Carolin Ludwig, Julien Thiry, Myriam Youala
ComPath is a pan-European antimicrobial surveillance program collecting bacterial pathogens from dogs and cats not recently exposed to antimicrobials. We present minimum inhibitory concentration data obtained using Clinical and Laboratory Standards Institute methodology for 616 urinary tract infection (UTI) isolates collected between 2008 and 2010. In both dogs and cats, the most common pathogen was Escherichia coli (59.8% and 46.7%, respectively). Antimicrobial activity against E. coli in dogs and cats was similar with fluoroquinolone and trimethoprim/sulfamethoxazole susceptibility >90%...
April 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28381239/prevalence-of-group-a-streptococcus-pharyngeal-carriage-and-clinical-manifestations-in-school-children-aged-5-15%C3%A2-yrs-in-wakiso-district-uganda
#3
Irene Nayiga, Emmy Okello, Peter Lwabi, Grace Ndeezi
BACKGROUND: Beta-hemolytic streptococci carrier rates in children living in low-income countries are high ranging from 10 to 50%. Although most of these children are asymptomatic, they are a reservoir and pose a risk of transmission. The aim of this study was to determine the prevalence of group a streptococcus pharyngeal carriage and clinical manifestations in school going children in Wakiso district, Uganda. METHODS: A cross sectional study targeting children age 5-15 years in primary schools in one sub-county of Wakiso district was carried out...
April 5, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28376443/prevalence-of-group-c-streptococcus-and-fusobacterium-necrophorum-in-patients-with-sore-throat-a-meta-analysis
#4
REVIEW
Christian Marchello, Mark H Ebell
PURPOSE: The prevalence of Group C beta-hemolytic streptococcus and Fusobacterium necrophorum among patients with sore throat in the outpatient setting has not been previously summarized. We set out to derive prevalence information from the existing literature. METHODS: We performed a systematic review of MEDLINE for studies reporting the prevalence of F necrophorum or Group C streptococcus or both in prospective, consecutive series of outpatients with sore throat, as well as laboratory-based studies of throat cultures submitted from primary care...
November 2016: Annals of Family Medicine
https://www.readbyqxmd.com/read/28304211/furcation-therapy-with-enamel-matrix-derivative-effects-on-the-subgingival-microbiome
#5
Lucas A Queiroz, Renato C V Casarin, Shareef M Dabdoub, Dimitris N Tatakis, Enilson A Sallum, Purnima S Kumar
BACKGROUND: Although enamel matrix derivative (EMD) has been used to promote periodontal regeneration, little is known of its effect on the microbiome. Therefore, this investigation aimed to identify the changes in periodontal microbiome following treatment with EMD using a deep-sequencing approach. METHODS: Thirty-nine patients having mandibular class II buccal furcation defects were randomized to beta-tricalcium-phosphate/hydroxyapatite graft (BONE group), EMD+BONE or EMD alone...
March 17, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28288328/case-control-exploratory-study-of-cerebrospinal-fluid-chemokines-cytokines-and-lymphocyte-subsets-in-childhood-tourette-syndrome-with-positive-streptococcal-markers
#6
Michael R Pranzatelli, Elizabeth D Tate, Tyler J Allison
A longstanding question is whether neuroinflammation is present in children symptomatic for Tourette syndrome (TS) with positive streptococcal serology and throat cultures. The objective was to directly test for it using modern hypothesis-driven approaches. Profiling studies for 14 immune cell types (flow cytometry), 7 chemokines/cytokines (ELISA), oligoclonal bands, and other immunoglobulins were performed in this IRB-approved study of 5 children with TS and streptococcal markers compared to data from 26 non-inflammatory pediatric neurological controls...
March 10, 2017: Cytokine
https://www.readbyqxmd.com/read/28283012/-evaluation-of-mascia-brunelli-rapid-antigen-test-in-the-diagnosis-of-group-a-streptococcal-pharyngitis
#7
Ayşe Barış, Nur Anlıaçık, Mehmet Emin Bulut, Rıdvan Deniz, Elif Yücel, Elif Aktaş
Pharyngitis in most cases is due to viral microorganisms however drug therapy without the detection of etiological agent leads to unnecessary use of antibiotics. On the other hand, when the etiologic agent is group A beta-hemolytic streptococci (GAS) it is important to identify the etiologic agent rapidly which will guide the treatment with appropriate antibiotics. The use of highly sensitive rapid tests will contribute significantly to early diagnosis and appropriate therapy. The aim of this study is to evaluate the efficacy of Mascia Brunelli rapid antigen test for the detection of GAS in throat swab samples...
January 2017: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28263195/toenail-bracing-complicated-with-group-a-beta-haemolytic-streptococcus-infection
#8
Anca Chiriac, Cristina Birsan, Calin Molnar, Simona Stolnicu
No abstract text is available yet for this article.
March 2, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28207813/interacting-networks-of-resistance-virulence-and-core-machinery-genes-identified-by-genome-wide-epistasis-analysis
#9
Marcin J Skwark, Nicholas J Croucher, Santeri Puranen, Claire Chewapreecha, Maiju Pesonen, Ying Ying Xu, Paul Turner, Simon R Harris, Stephen B Beres, James M Musser, Julian Parkhill, Stephen D Bentley, Erik Aurell, Jukka Corander
Recent advances in the scale and diversity of population genomic datasets for bacteria now provide the potential for genome-wide patterns of co-evolution to be studied at the resolution of individual bases. Here we describe a new statistical method, genomeDCA, which uses recent advances in computational structural biology to identify the polymorphic loci under the strongest co-evolutionary pressures. We apply genomeDCA to two large population data sets representing the major human pathogens Streptococcus pneumoniae (pneumococcus) and Streptococcus pyogenes (group A Streptococcus)...
February 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28201995/zoonotic-necrotizing-myositis-caused-by-streptococcus-equi-subsp-zooepidemicus-in-a-farmer
#10
Bård Reiakvam Kittang, Veronika Kuchařová Pettersen, Oddvar Oppegaard, Dag Harald Skutlaberg, Håvard Dale, Harald G Wiker, Steinar Skrede
BACKGROUND: Streptococcus equi subsp. zooepidemicus is a beta-hemolytic group C streptococcus mainly causing infections in domesticated animals. Here we describe the first case of zoonotic necrotizing myositis caused by this bacterium. CASE PRESENTATION: The patient was a 73-year-old, previously healthy farmer with two asymptomatic Shetland ponies in his stable. After close contact with the ponies while feeding them, he rapidly developed erythema of his left thigh and sepsis with multiple organ failure...
February 15, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28164610/an-investigation-of-the-frequency-of-upper-respiratory-tract-infection-pathogens-and-their-antibiotic-patterns-in-tonsils-and-adenoids-of-adenotonsillectomy-patients
#11
Yasar Nakipoglu, Gulsen Gunel, Deniz Kanliada, Levent Aydemir, Nezahat Gurler, Bulent Gurler
BACKGROUND: We aimed to investigate the potentially pathogenic bacteria of upper respiratory tract infections (URTIs) and their susceptibilities to different antibiotics. METHODS: Two-hundred adenoid and tonsil specimens from 100 patients who had undergone adenotonsillectomy were obtained and analyzed bacteriologically. Identification of the pathogens was made by conventional or commercial identification systems and antibiotic susceptibility tests were carried out by disk diffusion method...
August 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28107528/nasopharyngeal-microbiome-diversity-changes-over-time-in-children-with-asthma
#12
Marcos Pérez-Losada, Lamia Alamri, Keith A Crandall, Robert J Freishtat
BACKGROUND: The nasopharynx is a reservoir for pathogens associated with respiratory illnesses such as asthma. Next-generation sequencing (NGS) has been used to characterize the nasopharyngeal microbiome of infants and adults during health and disease; less is known, however, about the composition and temporal dynamics (i.e., longitudinal variation) of microbiotas from children and adolescents. Here we use NGS technology to characterize the nasopharyngeal microbiomes of asthmatic children and adolescents (6 to 18 years) and determine their stability over time...
2017: PloS One
https://www.readbyqxmd.com/read/28093936/biological-activities-of-rosmarinus-officinalis-l-rosemary-extract-as-analyzed-in-microorganisms-and-cells
#13
Jonatas Rafael de Oliveira, Daiane de Jesus, Leandro Wagner Figueira, Felipe Eduardo de Oliveira, Cristina Pacheco Soares, Samira Estves Afonso Camargo, Antonio Olavo Cardoso Jorge, Luciane Dias de Oliveira
R. officinalis L. is an aromatic plant commonly used as condiment and for medicinal purposes. Biological activities of its extract were evaluated in this study, as antimicrobial effect on mono- and polymicrobial biofilms, cytotoxicity, anti-inflammatory capacity, and genotoxicity. Monomicrobial biofilms of Candida albicans, Staphylococcus aureus, Enterococcus faecalis, Streptococcus mutans and Pseudomonas aeruginosa and polymicrobial biofilms composed of C. albicans with each bacterium were formed in microplates during 48 h and exposed for 5 min to R...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28081323/acute-exudative-tonsillitis-in-adults-the-use-of-the-centor-scoreand-some-laboratory-tests
#14
Yavuz Furuncuoğlu, Filiz Sağlam, Ahmet Kutluhan
BACKGROUND/AIM: The aim of our study was to determine the usefulness of the Centor score and some basic laboratory tests (complete blood count and C-reactive protein) for the differential diagnosis of exudative tonsillitis due to Group A β-hemolytic streptococcus (GABHS) or due to non-GABHS agents. MATERIALS AND METHODS: The data of clinical and laboratory characteristics of the patients diagnosed with exudative tonsillitis were collected and statistically compared between those having positive GABHS throat culture result and those who were negative for any bacterial agent...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28042275/the-level-of-beta-defensin-2-in-saliva-and-its-expression-in-parotid-gland-epithelial-cells-after-probiotic-lactobacillus-reuteri-induction-to-inhibit-streptococcus-mutans-in-caries
#15
Tuti Kusumaningsih, M S Subijanto, Retno Indrawati, R Rini Devijanti
OBJECTIVE: The aim of this study was to prove that administrating L. reuteri probiotics can increase the level of BD-2 saliva and BD-2 expression in the epithelial parotid glands of Wistar rats. MATERIALS AND METHODS: Experimental design in this study was randomized control group post test only. Twenty-four white male Rattus norvegicus Wistar strain rats were divided into four groups. The negative control group included rats not induced by S. mutans whereas the positive control group included rats induced by S...
October 2016: European Journal of Dentistry
https://www.readbyqxmd.com/read/27981538/diagnosis-and-treatment-of-acute-pharyngitis-tonsillitis-a-preliminary-observational-study-in-general-medicine
#16
F Di Muzio, M Barucco, F Guerriero
OBJECTIVE: According to recent observations, the insufficiently targeted use of antibiotics is creating increasingly resistant bacterial strains. In this context, it seems increasingly clear the need to resort to extreme and prudent rationalization of antibiotic therapy, especially by the physicians working in primary care units. In clinical practice, actually the general practitioner often treats multiple diseases without having the proper equipment. In particular, the use of a dedicated, easy to use diagnostic test would be one more weapon for the correct diagnosis and treatment of acute pharyngo-tonsillitis...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27867675/a-case-of-thyroid-storm-associated-with-cardiomyopathy-and-poststreptococcal-glomerulonephritis
#17
Lisa J Underland, Gerson A Vallencia Villeda, Abhijeet Pal, Leslie Lam
Thyroid storm has a high mortality rate and is often associated with a precipitating factor such as intercurrent illness or infection. It is rare in pediatric patients. Cardiac disease in hyperthyroidism mostly manifests itself as tachycardia but more serious cardiac findings have also been described. A 5-year-old male with recent strep throat infection presented with dilated cardiomyopathy, hematuria, and symptoms and lab findings consistent with severe hyperthyroidism. He was diagnosed with thyroid storm secondary to concurrent Graves' disease and poststreptococcal glomerulonephritis (PSGN)...
2016: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/27848011/clinical-value-of-antistreptolysin-o-levels-in-adult-patients-with-tonsillitis-report-i
#18
Vladimir Trushin, Moshe Englender
To assess the clinical value of antistreptolysin O (ASO) level in adult patients with acute tonsillitis of group A beta-hemolytic streptococcus (GABHS) etiology and its interaction with the Centor score and throat cultures data. ASO antibody titers and throat cultures were obtained from 260 adult patients with acute tonsillitis of GABHS etiology initially proven by the Centor score. The results were compared with the group of 100 adult patients with recurrent tonsillitis who underwent tonsillectomy and with the group of 100 healthy adults...
April 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27802063/in-silico-analysis-of-candidate-proteins-sharing-homology-with-streptococcus-agalactiae-proteins-and-their-role-in-male-infertility
#19
Rajeshwari Parida, Luna Samanta
Leukocytospermia is a physiologic condition defined as human semen with a leukocyte count of >1 x 10(6) cells/ml that is often correlated with male infertility. Moreover, bacteriospermia has been associated with leukocytospermia ultimately leading to male infertility. We have found that semen samples with >1 x 10(6)/ml leukocytes and/or bacteriospermia have oxidative predominance as evidenced by augmented protein carbonyl and lipid peroxidation status of the semen which is implicated in sperm dysfunction...
November 1, 2016: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/27801835/dietary-gluten-induced-gut-dysbiosis-is-accompanied-by-selective-upregulation-of-micrornas-with-intestinal-tight-junction-and-bacteria-binding-motifs-in-rhesus-macaque-model-of-celiac-disease
#20
COMPARATIVE STUDY
Mahesh Mohan, Cheryl-Emiliane T Chow, Caitlin N Ryan, Luisa S Chan, Jason Dufour, Pyone P Aye, James Blanchard, Charles P Moehs, Karol Sestak
The composition of the gut microbiome reflects the overall health status of the host. In this study, stool samples representing the gut microbiomes from 6 gluten-sensitive (GS) captive juvenile rhesus macaques were compared with those from 6 healthy, age- and diet-matched peers. A total of 48 samples representing both groups were studied using V4 16S rRNA gene DNA analysis. Samples from GS macaques were further characterized based on type of diet administered: conventional monkey chow, i.e., wheat gluten-containing diet (GD), gluten-free diet (GFD), barley gluten-derived diet (BOMI) and reduced gluten barley-derived diet (RGB)...
October 28, 2016: Nutrients
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