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Topic: Streptococci



  
 © Copyright, 2003, Journal of the California Dental Association, All rights reserved.
Extrapolation of Caufield and colleagues’ data from a figure depicting the cumulative probability of mutans streptococci acquisition as a function of age indicated that approximately 5 percent of their study population acquired these organisms by approximately 9 months of age and approximately 15 percent of the subjects were colonized by approximately 12 months of age.
Earlier studies demonstrated that infants acquire mutans streptococci from their mothers and only after the eruption of primary teeth.
utilizing bacteriocin typing, demonstrated that when a child acquires mutans streptococci after age 5, there may be similarity between mutans streptococci strains in mother, father, and child, indicating that horizontal transmission can also occur between family members.
http://www.cdafoundation.org/journal/jour0203/berkowitz.htm   (2176 words)

  
 Medmicro Chapter 13
The streptococci are ubiquitous, and their significance in medicine is remarkable.
Penicillin remains the drug of choice for S pyogenes.
The Lancefield capillary precipitation test is the classical serologic method.
http://gsbs.utmb.edu/microbook/ch013.htm   (7715 words)

  
 Mutans streptococci
The recolonization of mutans streptococci was, however, slower after using the SnF2- and chlorhexidine-impregnated toothpicks than after using the NaF- and non-impregnated toothpicks.
This study incorporated a double-blind design and patients were randomly assigned to either the chlorhexidine treatment group or the placebo group.
AB: In a randomized clinical trial, six applications of an I2-NaF or a placebo solution were administered to the mothers' dentition at the time of tooth emergence of her infant, to evaluate its effect on transmission of mutans streptococci (MS) to the infant.
http://www.db.od.mah.se/mutans/mutanti90-5.html   (10901 words)

  
 M+ Group A Streptococci Are Phagocytized and Killed in Whole Blood by C5a-Activated Polymorphonuclear Leukocytes -- ...
virulence is influenced by the ability of streptococci to resist
group A streptococci: correlation with resistance to phagocytosis.
C5a-activated PMNs in whole blood associate with strain 90-226 streptococci.
http://iai.asm.org/cgi/content/full/70/1/350?view=full&pmid=11748201   (4925 words)

  
 Prevention and elimination of upper respiratory colonization of mice by group A streptococci by using a bacteriophage ...
on other streptococci and oral microflora, and its effectiveness
A carrier state may be promoted by a variety of conditions, including
possible that streptococci had sufficient time to become internalized
http://www.pnas.org/cgi/content/full/061038398v1   (4795 words)

  
 Nizet Lab: Streptococci
Therefore, streptococci are more acid-tolerant than most bacteria, which affects their ecology.
Gamma-hemolysis is in fact a misnomer, as there is no change in the appearance of the RBC.
The most important human pathogen in this group is Streptococcus pneumoniae.
http://medicine.ucsd.edu/NizetLab/streptococcipage/streptococci.html   (2872 words)

  
 What Happened to the Streptococci: Overview of Taxonomic and Nomenclature Changes -- Facklam 15 (4): 613 -- Clinical ...
lactococci, and streptococci in 1984, many changes in the nomenclature
of changes in the non-beta-hemolytic streptococci have been
strains are the only beta-hemolytic streptococci that are positive
http://cmr.asm.org/cgi/content/full/15/4/613   (6949 words)

  
 Prevalence of the Amylase-Binding Protein A Gene (abpA) in Oral Streptococci -- Brown et al. 37 (12): 4081 -- Journal ...
Identification of clinically relevant viridans group streptococci to the species level by PCR.
The present study was performed to determine if abpA is present in other species or strains of the viridans group streptococci
The present study was performed to determine if homologs of abpA exist in other species or strains of the viridans group streptococci
http://jcm.asm.org/cgi/content/full/37/12/4081   (2856 words)

  
 Lactobacilli and Streptococci Activate NF-{kappa}B and STAT Signaling Pathways in Human Macrophages -- Miettinen et al. ...
As analyzed using the SIE element, streptococci apparently
signaling pathway by streptococci could play a role
B, Supershift experiment with anti-p50 and anti-p65 Abs.
http://www.jimmunol.org/cgi/content/full/164/7/3733   (4526 words)

  
 The Classification and Identification of Bacteria of Medical Importance
The most important of the non-haemolytic streptococci are the enterococci such as Enterococcus faecalis and Enterococcus faecium.
There are two major groups of Gram-positive cocci that are of medical importance: the staphylococci and the streptococci.
The staphylococcus that causes most of the serious clinical problems associated with this group is Staphylococcus aureus.
http://www.bmb.leeds.ac.uk/mbiology/ug/ugteach/icu8/classification/gpc.html   (742 words)

  
 Bile-Esculin Test for Presumptive Identification of Enterococci and Streptococci: Effects of Bile Concentration, ...
Swan, A. The use of a bile-aesculin medium and of Maxted's technique of Lancefield grouping in the identification of enterococci (group D streptococci).
and non-group D viridans group streptococci are clinically important
Bile-Esculin Test for Presumptive Identification of Enterococci and Streptococci: Effects of Bile Concentration, Inoculation Technique, and Incubation Time -- Chuard and Reller 36 (4): 1135 -- Journal of Clinical Microbiology
http://jcm.asm.org/cgi/content/full/36/4/1135   (1408 words)

  
 THE EFFECT OF INJECTIONS OF HEMOLYTIC STREPTOCOCCI ON SUSCEPTIBLE AND INSUSCEPTIBLE ANIMALS -- Hopkins and Parker 27 ...
time that the streptococci have begun to develop in the muscles
THE EFFECT OF INJECTIONS OF HEMOLYTIC STREPTOCOCCI ON SUSCEPTIBLE AND INSUSCEPTIBLE ANIMALS -- Hopkins and Parker 27 (1): 1 -- The Journal of Experimental Medicine
Articles by Hopkins, J. Articles by Parker, J. The Journal of Experimental Medicine, Vol 27, 1-34, Copyright, 1918, by The Rockefeller Institute for Medical Research New York
http://www.jem.org/cgi/content/abstract/27/1/1   (337 words)

  
 Antimicrobial susceptibility patterns and macrolide resistance genes of viridans group streptococci from normal flora ...
Viridans group streptococci comprise a vital part of the normal
Antimicrobial Research Laboratory, National Public Health Institute, PO Box 57, 20521 Turku;
High rates of resistance to cephalosporins among viridans-group streptococci causing bacteraemia in neutropenic cancer patients.
http://jac.oxfordjournals.org/cgi/content/full/52/4/636   (4147 words)

  
 [No title]
All streptococci, leuconostocs, and lactococci are catalase negative.
pneumonia is susceptible to bile and optochin, whereas viridans streptococci are not.
The organism was optochin resistant, PYRase negative, but grew on bile esculin agar.
http://www.meddean.luc.edu/lumen/bbs/infdis/chap26   (591 words)

  
 Streptococci
New DNA-based PCR approaches for rapid real-time detection and prevention of group B
Streptococci are facultatively anaerobic, Gram-positive organisms that often occur as chains or pairs (figure 1 and 2) and are catalase-negative (staphylococci are catalase positive) (figure 3).
One way to differentiate beta-hemolytic group A Streptococcus from other beta-hemolytic streptococci is by determination of their sensitivity to bacitracin.
http://pathmicro.med.sc.edu/fox/streptococci.htm   (1660 words)

  
 Medical Dictionary: Streptococci - WrongDiagnosis.com
Streptococci: Streptococci is listed as a type of (or associated with) the following medical conditions in our database: Bacterial diseases, Diseases contagious from intravenous needles Streptococci (medical condition): Various "strep" bacterial infections.
Streptococci: Another name for Streptococcal Infections (or close medical condition association).
By using this site you agree to our Terms of Use.
http://www.wrongdiagnosis.com/medical/streptococci.htm   (141 words)

  
 Empyema Thoracis and Lung Abscess Caused by Viridans Streptococci -- JERNG et al. 156 (5): 1508 -- American Journal of ...
In the group of patients in our study who had empyema alone, those with non-S.
that viridans streptococci isolated from the sputum of patients
In 38 (53%) of the patients, viridans streptococci
http://ajrccm.atsjournals.org/cgi/content/full/156/5/1508   (2987 words)

  
 American Family Physician: Colonization with group B streptococci in pregnancy. (adapted from the American Journal of ...
Regan and associates analyzed data from the Vaginal Infections and Prematurity Study, a prospective multicenter study, to determine the association of group B streptococci colonization with pregnancy and neonatal outcome.
Search for more information on HighBeam Research for.
Evidence suggests that colonization with group B streptococci is associated with preterm delivery, preterm premature rupture of the membranes, neonatal death from sepsis and risk of postpartum endometritis, suggesting that both pregnancy and neonatal outcomes are affected.
http://www.highbeam.com/library/doc0.asp?DOCID=1G1:18792918&refid=holomed_1   (211 words)

  
 Adhesion of Candida albicans to oral streptococci is promoted by selective adsorption of salivary proteins to the ...
some streptococci are able to recognize alternate forms of PRPs,
Proteins bound by streptococci also support adhesion of C.
albicans to streptococci also promote adherence of Candida
http://mic.sgmjournals.org/cgi/content/full/146/1/41   (3588 words)

  
 Genetics of Streptococci, Lactococci, and Enterococci: Review of the Sixth International Conference -- Yother et al. ...
Tu and G. These observations significantly extend our view of
proteins involved in this response in the streptococci.
the future genetic research on the streptococci, enterococci,
http://jb.asm.org/cgi/content/full/184/22/6085   (5427 words)

  
 Streptococci, Streptococcus Pyogenes Infection
Penicillin is the drug of choice in the treatment of S. pyogenes infection.
Streptococci are readily cultured from blood agar plates where a or B haemolysis may be seen.
Prophylactic penicillin is often given to patients with rheumatic fever in order to prevent a recurrence. 
http://virology-online.com/Bacteria/Streptococci.htm   (668 words)

  
 CHEST: Endocarditis due to beta-hemolytic Streptococci - Editorial
Group B streptococci cause acute endocarditis and are capable of causing right-sided endocarditis in individuals who are not IVDAs.[8] Many patients have underlying diseases, such as diabetes mellitus, malignancy, and alcoholism.
The disease was acute and often involved a normal heart valve.
Alpha-hemolytic (viridans) streptococci, Streptococcus bovis, and enterococci are common causes of infective endocarditis, while beta-hemolytic streptococci are not.
http://www.findarticles.com/p/articles/mi_m0984/is_n2_v102/ai_12593764   (773 words)

  
 Streptococci
The greatest fear is that the bacteria will transfer their resistance to such other intestinal bugs as streptococci and staphylococci.
Group B streptococci generally cause such diseases as neonatal meningitis and sepsis.
Streptococci are readily transmitted when large numbers of people share common environments.
http://www.innvista.com/HEALTH/MICROBES/bacteria/strepto.htm   (1626 words)

  
 Relationship among sucrose, mutans streptococci and caries
The effect of sucrose application and implantation of mutans streptococci on the microbial composition of three-week experimental plaque - an in situ study.
The purpose of this study was to investigate the relationship among frequency of sucrose exposure, mutans streptococci levels and dental caries.
Even though mutans streptococci have been related to dental caries (5), there is no controlled study in the literature investigating the relationship among frequency of sucrose exposure, mutans streptococci levels in dental plaque and dental
http://www.forp.usp.br/bdj/bdj12(2)/trab06122/trab06122.html   (2255 words)

  
 streptococcus: Types of Streptococci
Group A hemolytic streptococci are responsible for most human streptococcal disease; group B hemolytic streptococci can cause serious problems in newborns.
Group A streptococci among school-aged children: clinical characteristics and the carrier state.
The beta-hemolytic streptococci are often further classified into lettered groups, called Lancefield groups for R. Lancefield, the scientist who originated the scheme in the 1930s.
http://www.infoplease.com/ce6/sci/A0861330.html   (315 words)

  
 The Streptococcus
However, in certain circumstances, they may also inhabit the skin, heart or muscle tissue
M protein serotype has also been found to strongly correlate with the disease caused by a particular strain of streptococci.
Group A streptococci may be further subdivided according to the variety of M protein expressed on the cell surface.
http://www.rockefeller.edu/vaf/strep.htm   (198 words)

  
 Invasion and Killing of Human Endothelial Cells by Viridans Group Streptococci -- Stinson et al. 71 (5): 2365 -- ...
Colonization of the cardiovascular endothelium by viridans group
Invasion and Killing of Human Endothelial Cells by Viridans Group Streptococci
Invasion and Killing of Human Endothelial Cells by Viridans Group Streptococci -- Stinson et al.
http://iai.asm.org/cgi/content/abstract/71/5/2365   (434 words)

  
 DM Lab 15
It seems reasonable then that you should be experienced in their cellular morphology.
Gamma-hemolytic streptococci are usually present but in smaller amounts.
In addition, the demonstration at the front table represents an experimental model which demonstrates the formation of dextran by cariogenic streptococci.
http://www.medschool.lsuhsc.edu/microbiology/DMIP/dmex13.htm   (630 words)

  
 NEJM -- Erythromycin-Resistant Group A Streptococci in Schoolchildren in Pittsburgh
Group A Streptococci Pharyngitis -- Penicillin Still the Best Treatment.
among group A streptococci in the United States.
Erythromycin-Resistant Group A Streptococci Emerge in the U.S..
http://content.nejm.org/cgi/content/abstract/346/16/1200   (1119 words)

  
 Streptococcus - Wikipedia, the free encyclopedia
Group A Streptococci (Streptococcus pyogenes) which causes Group A streptococcal infection
Group B Streptococci (Streptococcus agalactiae), also known as GBS, which causes meningitis in neonates and the elderly, with occasional systemic bacteremia.
They can also colonize the female reproductive tract, increasing the risk for premature rupture of membranes and transmission to the child.
http://en.wikipedia.org/wiki/Streptococci   (297 words)

  
 Macrolide Resistance in Streptococci
However a new nomenclature system may help (Antimicrob.
The erm classes that are important for resistance of streptococci are class A and class B. Most authors refer to erm(TR) and erm(AM) for designating streptococcal erm
http://www.uphs.upenn.edu/bugdrug/antibiotic_manual/macrolideres.html   (1126 words)

  
 Coaggregation-Mediated Interactions of Streptococci and Actinomyces Detected in Initial Human Dental Plaque -- Palmer ...
were much less frequent than either subset of streptococci.
Coaggregation-Mediated Interactions of Streptococci and Actinomyces Detected in Initial Human Dental Plaque -- Palmer et al.
streptococci such as Streptococcus gordonii DL1 recognize receptor
http://jb.asm.org/cgi/content/abstract/185/11/3400   (445 words)

  
 MedlinePlus Medical Encyclopedia: Throat swab culture
The growth of certain organisms such as group A beta-hemolytic streptococci (which causes strep throat) as well as other organisms which cause diphtheria and gonorrhea is abnormal and may indicate infection.
In very few patients, the sensation of gagging may lead to an urge to vomit or cough.
The presence of the usual mouth and throat bacteria is a normal finding.
http://www.nlm.nih.gov/medlineplus/ency/article/003746.htm   (497 words)

  
 The Hermit's Grove
CBC and d-9-tetrahydrocannabinol are bacteriostatic and bactericidal against streptococci and staphylococci.
http://www.thehermitsgrove.org/monographs.html   (6659 words)

  
 penicillin on Encyclopedia.com
Unexplained reduced microbiological efficacy of intramuscular benzathine penicillin G and of oral penicillin V in eradication of group A streptococci from children with acute pharyngitis.
A review of evidence supporting the American Academy of Pediatrics recommendation for prescribing cephalosporin antibiotics for penicillin-allergic patients.(Special Article)
http://www.encyclopedia.com/html/p1/penicill.asp   (708 words)

  
 Arch Intern Med -- Abstract: Comparison Between Adult Endocarditis Due to {beta}-Hemolytic Streptococci (Serogroups A, ...
for the ss-Hemolytic Streptococci Infective Endocarditis Study Group
Arch Intern Med -- Abstract: Comparison Between Adult Endocarditis Due to {beta}-Hemolytic Streptococci (Serogroups A, B, C, and G) and Streptococcus milleri: A Multicenter Study in France, November 25, 2002, Lefort et al.
Methods  Through a nationwide retrospective study in France,
http://archinte.ama-assn.org/cgi/content/abstract/162/21/2450   (384 words)

  
 Erythromycin Resistance Genes in Group A Streptococci in Finland -- Kataja et al. 43 (1): 48 -- Antimicrobial Agents ...
Erythromycin Resistance Genes in Group A Streptococci in Finland -- Kataja et al.
Kataja, J., Huovinen, P., Seppälä, H. Erythromycin resistance genes in group A streptococci of different geographical origins.
Erythromycin Resistance Genes in Group A Streptococci in Finland
http://aac.asm.org/cgi/content/abstract/43/1/48   (1748 words)

  
 Streptococci Chain (20,000X)
Electron micrograph of an ultra-thin section of a chain of group A streptococci.
The cell surface fibrils, consisting primarily of M protein, are clearly evident.
http://www.rockefeller.edu/vaf/chain20.htm   (107 words)

  
 Streptococci
A brief introduction to the Streptococci by Rockefeller Uni
Flesh eating bacteria (BioInteractive), and a horror story about a real case from 'Lee Spark NF Foundation'
http://www.bacteriamuseum.org/species/streptococci.shtml   (117 words)

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