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口腔常见细菌集聚作用对表面疏水性的影响

Effect of Aggregation on Cell-Surface Hydrophobicity of Oral Bacteria
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摘要 目的研究口腔常见细菌集聚作用对细菌表面疏水性的影响,从而进一步探讨细菌表面疏水性与细菌间集聚的关系.方法采用微生物粘着碳氢化合物法,测定5种口腔常细菌相互集聚后的细胞表面疏水率,并与该5种细菌的细胞表面疏水率进行比较.结果将两种细菌混合后,细菌表面疏水率出现四种变化:(1)与混合前两种细菌的细胞表面疏水率无明显差别;(2)介于混合前两种细菌细胞表面疏水率之间;(3)高于混合前两种细菌细胞表面疏水率;(4)低于混合前两种细菌细胞表面疏水率.结论细菌间的相互集聚作用对细胞表面疏水性有影响. Objective To study the effect of aggregation on cell-surface hydrophobicity of oral bacteria,and the relationship between cell-surface hydrophobicity and aggregation.Method Microbial adhesion to hydrocarbons（MATH） was used to measure the cell-surface hydrophobicity of 5 kinds of bacteria mixed each other,and compared with the initial cell-surface hydrophobicity before mixing.Result After every two bacteria mixed,the cell-surface hydrophobicity showed four kinds of changes.（1） As compared to the initial cell-surface hydrophobicity,no remarkable change took place.（2） The value of it was between the initial cell-surface hydrophobicity of the two bacteria mixed.（3） It got much higher than the initial cell-surface hydrophobicity of the two bacteria mixed.（4） It got lower than the initial cell-surface hydrophobicity of the two bacteria mixed.Conclusion Aggregation has effect on the cell-surface hydrophobicity of oral bacteria.
作者 李艳红 李罡 柳茜 李继遥 肖晓蓉 周学东
机构地区 昆明医学院附属口腔医院 四川大学华西口腔医学院
出处 《昆明医学院学报》 CAS 2009年第12期3-6,共4页 Journal of Kunming Medical College
基金 国家自然科学基金资助项目(39670785)
关键词 口腔细菌 集聚 疏水性 牙龈卟啉单胞菌 粘性放线菌 变链球菌 血链球菌 细胞表面 乳杆菌 牙菌斑 Oral bacteria Aggregation Hydrophobicity
分类号 R780.2 [医药卫生—口腔医学]
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参考文献10

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二级参考文献9

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昆明医学院学报
2009年 第12期

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