齲蝕原性細菌の産生する菌体外多糖類のDextranase(Chaetomium gracile由来)による分解〔英文〕

概要

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Oral streptococci produced extracellular polysaccharide in a medium containing sucrose and formed the artificial plaque on a stainless steel wire. Bacteria which produced highly viscous polysaccharide caused the formation of the thicker plaque than bacteria which produced less viscous polysacharide. Dextranase of <I>Chaetomium gracile</I> hydrolyzed bacterial polysaccharides which had low α-1, 6-glucosidic linkage (47-74%) as well as the commercial dextrans which had high linkage (95%). The enzyme degraded also the artificial plaque of oral streptococci.
有限責任中間法人日本口腔衛生学会の論文