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Friday, July 24, 2020 | History

2 edition of Streptococcus mutans found in the catalog.

Streptococcus mutans

J. D. Ruby

Streptococcus mutans

an assessment of its physiological potential in relation to dental caries

by J. D. Ruby

  • 307 Want to read
  • 7 Currently reading

Published by University of Toronto, Faculty of Dentistry in Toronto .
Written in English


Edition Notes

Thesis (Dip.Paedodont.)--University of Toronto, 1977.

StatementJ.D. Ruby.
ID Numbers
Open LibraryOL15457951M

Bacteria belonging to the genus Streptococcus are the first inhabitants of the oral cavity, which can be acquired right after birth and thus play an important role in the assembly of the oral microbiota. In this article, we discuss the different oral environments inhabited by streptococci and the species that occupy each niche. Special attention is given to the taxonomy of Streptococcus Cited by:   A short introduction to the Nanobug, Streptococcus mutans, a popular bacterium that can stick to the tooth surface and in tiny cracks in teeth. Strep mutans lives and grows in acid conditions.

Streptococcus mutans é uma espécie de bactérias Gram-positivas com morfologia de coco, pertencentes ao género Streptococcus, do grupo A de Lancefield. [1. Natureza infeciosa dentária. Esta bactéria é vulgar na boca do Homem e é o principal fator do Classe: Bacilli. Disclaimer: ITIS taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. However, it is not a legal authority for statutory or regulatory purposes. While every effort has been made to provide the most reliable and up-to-date information available, ultimate legal requirements with respect to species are contained in Biological classification: Species.

Background: Streptococcus mutans (S. mutans) and Candida albicans (C. albicans) are two major contributors to dental caries. They have a symbiotic relationship, allowing them to create an enhanced biofilm. Our goal was to examine whether two natural polyphenols (Padma hepaten (PH) and a polyphenol extraction from green tea (PPFGT)) could inhibit the caries-inducing properties of S. Cited by: 2.   Is Streptococcus italicized? what about Enterobacteriaceae and Pseudomonas spp.? I'm not asking if it's with the genus and species, I got that part but am asking if .


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Streptococcus mutans by J. D. Ruby Download PDF EPUB FB2

Dental caries and dental plaque are among the most common diseases worldwide, and are caused by a mixture of microorganisms and food debris.

Specific types of acid-producing bacteria, especially Streptococcus mutans, colonize the dental surface and cause damage to the hard tooth structure in the presence of fermentable carbohydrates e.g., sucrose and by: Streptococcus pneumo´niae a small, slightly elongated, encapsulated coccus, one end of which is pointed or lance-shaped; the organisms commonly occur in pairs.

This is the most common cause of lobar pneumonia, and it also causes serious forms of meningitis, septicemia, empyema, and are some 80 serotypes distinguished by the polysaccharide hapten of the capsular substance.

I received a free kindle copy of Miss Streptococcus mutans; A Funny Beginning Readers Children's Bedtime Story Picture Book by Kim Angos, Kaylene Reine Angos (Illustrator) in a free Amazon promotion. I gave it FIVE stars.

This delightful book is a real treasure. I highly recommend it for beginning readers, parents, grandparents, teachers 5/5(1).

Streptococcus mutans is a normal resident of the human oral cavity recognized as one of the major etiologic agents of caries. Passive immunization against caries was developed using oral administration of antibody preparation against whole cells of Str. mutans or associated virulence factors involved in bacteria adherence (Table 1).

I received a free kindle copy of Miss Streptococcus mutans; A Funny Beginning Readers Children's Bedtime Story Picture Book by Kim Angos, Kaylene Reine Angos (Illustrator) in a free Amazon promotion.

I gave it FIVE stars. This delightful book is a real treasure. I highly recommend it for beginning readers, parents, grandparents, teachers 5/5.

Mutans Streptococci or Strep Mutans What is Xylitol Xylitol Products Xylitol and Teeth Benefits of Xylitol Xylitol RDA Strep Mutans Summary Strep Mutans Strep Mutans a shortened term for Mutans Streptococci, is an acid-producing bacterium that attacks tooth enamel minerals which in turn causes tooth decay.

Of the hundr. Streptococcus mutans approximal plaque index as a new epidemiologic tool for defining the parameters of Streptococcus mutans infection in human populations. Arch Oral Biol. ; 26 (5)– Keene HJ, Shklair IL. Relationship of Streptococcus mutans carrier status to the development of carious lesions in initially cariesfree by: Other articles where Streptococcus mutans is discussed: Streptococcus: S.

mutans, belonging to the viridans species, inhabits the mouth and contributes to tooth decay. Among the lactic species, S.

lactis and S. cremoris are used in commercial starters for the. Streptococcus mutans, a pathogen of dental caries, is known to be associated with bacteremia and infective endocarditis (IE).The bacterium has been classified into four serotypes, c, e, f, and k, based on the chemical composition of the serotype-specific rhamnose-glucose pe k, recently designated and initially found in blood isolates, features a drastic reduction of glucose side Cited by: Streptococcus is a genus of Gram-positive coccus (plural cocci) or spherical bacteria that belongs to the family Streptococcaceae, within the order Lactobacillales (lactic acid bacteria), in the phylum Firmicutes.

Cell division in streptococci occurs along a single axis, so as they grow, they tend to form pairs or chains that may appear bent or twisted. (Contrast with that of staphylococci.

Streptococcus mutans is considered one of the primary causative agents of dental caries and can also be a source of infective endocarditis. The main virulence factors associated with cariogenicity. Streptococcus mutans (S. mutans) has important virulence factors related to the etiology and pathogenesis of dental caries.

Through mechanism of adhesion to a solid surface, S. mutans is able to colonize the oral cavity and form dental biofilm, which is composed of a matrix of exopolysaccharides that affect the physical and biochemical structure of the biofilm.

Streptococcus is a diverse genus of Gram-positive bacteria commonly found in multiple locations of their human and animal hosts e.g. the oral cavity and the upper respiratory tract.

Many streptococci are commensals thus play a role in colonization resistance of the host. Others, however, are pathogenic and are responsible for a range of invasive and noninvasive diseases with high morbidity and. Streptococcus Mutans: Webster's Timeline History, - [Icon Group International] on *FREE* shipping on qualifying offers.

Webster's bibliographic and event-based timelines are comprehensive in scope, covering virtually all topics. Found on dental plaque, implicated in cavities. No Lancefield group shown, gamma hemolysis.

Live specimens are used for a wide variety of studies including studying the physiological effects of drugs on a specimen’s heartbeat and temperature on metabolism, the locomotion of microscopic organisms, and studying plant respiration, photosynthesis, plosmolysis, and more. Streptococcus pneumoniae (a major cause of human pneumonia) and Streptococcus mutans and other so-called viridans streptococci (among the causes of dental caries) do not possess group antigens.

Three types of hemolysis reaction (alpha, beta, gamma) are seen. The presence of Streptococcus Mutans in someone's mouth who has tooth decay is the result of, and not the cause of, tooth decay.

Blaming Streptococcus Mutans for disease is a convenient way to ignore the real cause of tooth decay: our lifestyle habits. The food that we eat (and the exposure to toxic elements) in the world will cause, and if.

Strategies aimed at the prevention of Streptococcus mutans infection and dental caries include mucosal immunization, which results in salivary anti-S. mutans responses.

The purpose of this study was to evaluate the effectiveness of nasal vs. tonsillar immunization with S. mutans antigens in inducing salivary immune by: “Streptococcus mutans is a specialized microorganism equipped with receptors that allow it to adhere to the surface of the tooth creating a slimy environment.

After adherence to the tooth, S. mutans begin to divide and produce micro-colonies within the slime layer to construct a biofilm” (Microbe Wiki, ). Burne RA, et al. Cariogenicity of Streptococcus mutans strains with defects in fructan metabolism assessed in a program-fed specific-pathogen-free rat model.

Dent. Res. PubMed: Quivey RG Jr., et al. Acid adaptation in Streptococcus mutans UA alleviates sensitization to environmental stress due to RecA deficiency. Helpful, trusted answers from doctors: Dr. Terry on treatments for streptococcus mutans: Group b strep is a bacteria present in vaginal flora; although harmless to women, it can cause devastating disease in the newborn.

That is why pregnant women are screened for group b strep – and it positive are given Ampicillin a few hours before delivery or an equivalent medication if the patient is.Streptococcus mutans — Streptococcu Wikipédia en Français.

Streptococcus mutans — Streptococcus mutans Wikipedia Español. Streptococcus mutans — a species of variable hemolysis in Lancefield group K that is an important cause of dental caries and can also cause infective endocarditis.

Organisms adhere to the tooth surface and.Abstract. Streptococcus mutans is the primary causative agent involved in dental caries in humans. Among important virulence factors of this pathogen, its ability to form and sustain a polysaccharide-encased biofilm (commonly called dental plaque) is vital not only to its survival and persistence in the oral cavity, but also for its pathogenicity as by: