Lectin-Oral Streptococci Interactions
نویسندگان
چکیده
منابع مشابه
Stress Responses of Oral Streptococci
To persist in the oral cavity, bacteria must be able to tolerate rapid and substantial environmental fluctuations, particularly in pH and nutrient source and availability. Various species of Streptococcus, one of the most abundant genera in the mouth, are associated with oral health, as well as with dental caries. Cariogenic streptococci depend on a biofilm lifestyle for survival and persistenc...
متن کاملOral streptococci... products of their environment.
Microbial biofilms form on oral surfaces. These biofilms usually exist in dynamic equilibria with host defenses and are compatible with maintenance of the integrity of the target tissues. Disease occurs when the composition and the metabolic activities of complex communities in biofilms are perturbed. These ecologically driven changes in oral biofilms result in increases in the proportions of p...
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Cells of several species of oral microorganisms have been shown, in earlier studies, to be aggregated by saliva. In the present study some of the basic properties of the aggregation system are examined. The observation is made that the saliva-induced aggregates of Streptococcus sanguis and S. mitis can be dissociated to stable particles which consist of about 100 cells and have a median diamete...
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It is increasingly being acknowledged that complex carbohydrates mediate a huge variety of cellular interactions, permitting and regulating recognition and signalling events. This is achieved by the enormous range and complexity of branched structures in glycoconjugates and the ability of carbohydrate-binding proteins (lectins) to decipher this 'glycocode'. Approx. 120 participants attended the...
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Similar changes in glycosylation occur in the colonic epithelium in inflammatory conditions such as ulcerative colitis and Crohn's disease and also in colon cancer and precancerous adenomatous polyps. They include reduced length of O-glycans, reduced sulfation, increased sialylation and increased expression of oncofetal carbohydrate antigens, such as sialyl-Tn (sialylalpha2-6GalNAc), and the TF...
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ژورنال
عنوان ژورنال: Journal of Medical Microbiology
سال: 1998
ISSN: 0022-2615,1473-5644
DOI: 10.1099/00222615-47-1-29