PubMed:2620302 JSONTXT

{"project":"sentences","denotations":[{"id":"TextSentencer_T1","span":{"begin":0,"end":112},"obj":"Sentence"},{"id":"TextSentencer_T2","span":{"begin":113,"end":317},"obj":"Sentence"},{"id":"TextSentencer_T3","span":{"begin":318,"end":486},"obj":"Sentence"},{"id":"TextSentencer_T4","span":{"begin":487,"end":986},"obj":"Sentence"},{"id":"TextSentencer_T5","span":{"begin":987,"end":1183},"obj":"Sentence"},{"id":"TextSentencer_T6","span":{"begin":1184,"end":1551},"obj":"Sentence"},{"id":"TextSentencer_T7","span":{"begin":1552,"end":1722},"obj":"Sentence"},{"id":"T1","span":{"begin":0,"end":112},"obj":"Sentence"},{"id":"T2","span":{"begin":113,"end":317},"obj":"Sentence"},{"id":"T3","span":{"begin":318,"end":486},"obj":"Sentence"},{"id":"T4","span":{"begin":487,"end":986},"obj":"Sentence"},{"id":"T5","span":{"begin":987,"end":1183},"obj":"Sentence"},{"id":"T6","span":{"begin":1184,"end":1551},"obj":"Sentence"},{"id":"T7","span":{"begin":1552,"end":1722},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Production and partial characterization of the extracellular polysaccharides from oral Streptococcus salivarius.\nThe production of polysaccharides from sucrose by extracellular enzymes from oral Streptococcus salivarius isolates and the physico-chemical properties of water-insoluble products (IPs) were investigated. Extracellular enzymes from all the 18 strains tested produced insoluble alpha-D-glucans (IGs) as well as soluble beta-D-fructans, and formed adhering deposits on glass. Generally, the IPs (mostly IGs) of S. salivarius strains differed from the S. sobrinus IPs by (a) containing significant proportions of alpha-D-(1----4)-, in addition to alpha-D-(1----3)- and alpha-D-(1----6)-glucosyl linkages, and much higher proportions of alpha-D-(1----3) than alpha-D-(1----6) linkages, (b) being more susceptible to hydrolysis by mutanase than by dextranase, (c) possessing low or no streptococcal cell-agglutinating ability, and (d) showing weaker adhesion to a glass surface. The degree of the polysaccharide adherence differed greatly among the S. salivarius strains and, therefore, they were divided into three groups of adherence producers; heavy, moderate, and slight. The IPs of the three groups contained, generally in descending order, a higher proportion of higher-molecular-weight fractions, and consisted of higher proportions of IG containing higher proportions of -(1----6)-alpha-D and -(1----4)-alpha-D glucosyl linkages and (1----3,6) branches, but showed higher susceptibility to hydrolysis by mutanase as well as dextranase. Thus, the production and the properties of extracellular insoluble alpha-D-glucans from sucrose differ considerably between oral S. salivarius and cariogenic S. sobrinus."}

{"project":"NCBITAXON","denotations":[{"id":"T1","span":{"begin":87,"end":111},"obj":"OrganismTaxon"},{"id":"T2","span":{"begin":195,"end":219},"obj":"OrganismTaxon"}],"attributes":[{"id":"A1","pred":"db_id","subj":"T1","obj":"1304"},{"id":"A2","pred":"db_id","subj":"T2","obj":"1304"}],"text":"Production and partial characterization of the extracellular polysaccharides from oral Streptococcus salivarius.\nThe production of polysaccharides from sucrose by extracellular enzymes from oral Streptococcus salivarius isolates and the physico-chemical properties of water-insoluble products (IPs) were investigated. Extracellular enzymes from all the 18 strains tested produced insoluble alpha-D-glucans (IGs) as well as soluble beta-D-fructans, and formed adhering deposits on glass. Generally, the IPs (mostly IGs) of S. salivarius strains differed from the S. sobrinus IPs by (a) containing significant proportions of alpha-D-(1----4)-, in addition to alpha-D-(1----3)- and alpha-D-(1----6)-glucosyl linkages, and much higher proportions of alpha-D-(1----3) than alpha-D-(1----6) linkages, (b) being more susceptible to hydrolysis by mutanase than by dextranase, (c) possessing low or no streptococcal cell-agglutinating ability, and (d) showing weaker adhesion to a glass surface. The degree of the polysaccharide adherence differed greatly among the S. salivarius strains and, therefore, they were divided into three groups of adherence producers; heavy, moderate, and slight. The IPs of the three groups contained, generally in descending order, a higher proportion of higher-molecular-weight fractions, and consisted of higher proportions of IG containing higher proportions of -(1----6)-alpha-D and -(1----4)-alpha-D glucosyl linkages and (1----3,6) branches, but showed higher susceptibility to hydrolysis by mutanase as well as dextranase. Thus, the production and the properties of extracellular insoluble alpha-D-glucans from sucrose differ considerably between oral S. salivarius and cariogenic S. sobrinus."}

{"project":"Anatomy-UBERON","denotations":[{"id":"T1","span":{"begin":47,"end":60},"obj":"Body_part"},{"id":"T2","span":{"begin":163,"end":176},"obj":"Body_part"},{"id":"T3","span":{"begin":318,"end":331},"obj":"Body_part"},{"id":"T4","span":{"begin":1595,"end":1608},"obj":"Body_part"}],"attributes":[{"id":"A1","pred":"uberon_id","subj":"T1","obj":"http://purl.obolibrary.org/obo/GO_0005576"},{"id":"A2","pred":"uberon_id","subj":"T2","obj":"http://purl.obolibrary.org/obo/GO_0005576"},{"id":"A3","pred":"uberon_id","subj":"T3","obj":"http://purl.obolibrary.org/obo/GO_0005576"},{"id":"A4","pred":"uberon_id","subj":"T4","obj":"http://purl.obolibrary.org/obo/GO_0005576"}],"text":"Production and partial characterization of the extracellular polysaccharides from oral Streptococcus salivarius.\nThe production of polysaccharides from sucrose by extracellular enzymes from oral Streptococcus salivarius isolates and the physico-chemical properties of water-insoluble products (IPs) were investigated. Extracellular enzymes from all the 18 strains tested produced insoluble alpha-D-glucans (IGs) as well as soluble beta-D-fructans, and formed adhering deposits on glass. Generally, the IPs (mostly IGs) of S. salivarius strains differed from the S. sobrinus IPs by (a) containing significant proportions of alpha-D-(1----4)-, in addition to alpha-D-(1----3)- and alpha-D-(1----6)-glucosyl linkages, and much higher proportions of alpha-D-(1----3) than alpha-D-(1----6) linkages, (b) being more susceptible to hydrolysis by mutanase than by dextranase, (c) possessing low or no streptococcal cell-agglutinating ability, and (d) showing weaker adhesion to a glass surface. The degree of the polysaccharide adherence differed greatly among the S. salivarius strains and, therefore, they were divided into three groups of adherence producers; heavy, moderate, and slight. The IPs of the three groups contained, generally in descending order, a higher proportion of higher-molecular-weight fractions, and consisted of higher proportions of IG containing higher proportions of -(1----6)-alpha-D and -(1----4)-alpha-D glucosyl linkages and (1----3,6) branches, but showed higher susceptibility to hydrolysis by mutanase as well as dextranase. Thus, the production and the properties of extracellular insoluble alpha-D-glucans from sucrose differ considerably between oral S. salivarius and cariogenic S. sobrinus."}