根尖周炎中具有外部细胞壁层（S层）的拟杆菌属的分离与超微结构
Isolation and ultrastructure of Bacteroides sp. with external cell-wall layer (S-layer) in periapical osteitis.
作者信息
Ranta H, Lounatmaa K, Haapasalo M, Ranta K
出版信息
Scand J Dent Res. 1983 Dec;91(6):458-64. doi: 10.1111/j.1600-0722.1983.tb00846.x.
Abstract
Bacteroides sp. was isolated in human periapical osteitis and shown to be biochemically closely related to B. ruminicola ssp. brevis and B. capillus. Electron microscopic examination revealed an external cell-wall layer (S-layer). The fractionation of cells by various methods gave partially purified sheets corresponding to the observed layer with a hexagonal molecular arrangement.
摘要
拟杆菌属在人类根尖周炎中被分离出来，并且在生化特性上显示与短瘤胃拟杆菌亚种和毛发拟杆菌密切相关。电子显微镜检查显示有一层外部细胞壁层（S层）。通过各种方法对细胞进行分级分离，得到了与观察到的具有六边形分子排列的层相对应的部分纯化薄片。
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