Výsledky vyhledávání - "Leslie K Kopec"

The influence of mutanase and dextranase on the production and structure of glucans synthesized by streptococcal glucosyltransferases

Autor: Jaime Aparecido Cury, William H. Bowen, Anne M. Vacca-Smith, Leslie K Kopec, Hyun Koo, Mitsue Fujimaki Hayacibara, Kathleen Scott-Anne

Publikováno v: Carbohydrate Research. 339:2127-2137

Glucanohydrolases, especially mutanase [alpha-(1-->3) glucanase; EC 3.2.1.59] and dextranase [alpha-(1-->6) glucanase; EC 3.2.1.11], which are present in the biofilm known as dental plaque, may affect the synthesis and structure of glucans formed by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9954953429ffebb2d5b35ee8e1a66384
https://doi.org/10.1016/j.carres.2004.05.031

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Properties of Streptococcus sanguinis Glucans Formed Under Various Conditions

Autor: William H. Bowen, Vacca Smith Am, Leslie K Kopec, Linda Ng-Evans, David Wunder

Publikováno v: Caries Research. 35:67-74

The aim of our study was to determine whether the structure of glucans formed by glucosyltransferase from Streptococcus sanguinis (GtfSs) on a surface differ from those formed in solution and to explore the effects of antiserum to Gtfs, control norma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::842fa86a89c1588f91e707ce9946ca07
https://doi.org/10.1159/000047434

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Characterization of GlucosyltransferaseB, GtfC, and GtfD in Solution and on the Surface of Hydroxyapatite

Autor: Leslie K Kopec, Anne M Vacca-Smith, William H. Bowen, A R Venkitaraman

Publikováno v: Journal of Dental Research. 74:1695-1701

GlucosyltransferaseB, GtfC, and GtfD were purified by hydroxyapatite column chromatography, followed by ultrafiltration from the culture supernatant fluids of three Streptococcus milleri constructs (gift from Dr. H.K. Kuramitsu) which harbored indivi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c56501df378560cf9347adaac4a1b6ad
https://doi.org/10.1177/00220345950740101101

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Adherence of Microorganisms to Rat Salivary Pellicles

Autor: W.H. Bowen, Leslie K Kopec

Publikováno v: Caries Research. 29:507-512

Numerous studies, using models to mimic the formation of the acquired pellicle, have concentrated on human saliva-coated hydroxyapatite; in contrast, although the rat is frequently used as an animal model, the information concerning the formation of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::25f056799220623a8b30f050db469e0a
https://doi.org/10.1159/000262122

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Influence of antibody on the structure of glucans

Autor: Anne M. Vacca Smith, David Wunder, Linda Ng-Evans, Leslie K Kopec, William H. Bowen

Publikováno v: Caries research. 36(2)

Glucosyltransferase (GTF) plays an essential role in the formation of the biofilm known as dental plaque and in the pathogenesis of dental caries. Mutans streptococci produce at least three distinct GTFs (GtfB, C and D), each of which forms a glucan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3d506cd9a642baed327f5384ff62e18
https://pubmed.ncbi.nlm.nih.gov/12037367

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Structural aspects of glucans formed in solution and on the surface of hydroxyapatite

Autor: Anne M. Vacca-Smith, Leslie K Kopec, William H. Bowen

Publikováno v: Glycobiology. 7(7)

Streptococcus mutans glucosyltransferases (GtfB, -C, and -D) and their products formed from sucrose, glucans, play an essential role in the pathogenesis of dental caries. Enzymatically active Gtf is found in whole human saliva (solution), and incorpo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f0b92fadc90ab71068799405ed461842
https://pubmed.ncbi.nlm.nih.gov/9363435

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