牙菌斑中噬菌体样颗粒的电子显微镜检查

The electron microscopy of bacteriophage-like particles in dental plaque.

作者信息

Brady J M, Gray W A, Caldwell M A

出版信息

J Dent Res. 1977 Aug;56(8):991-3. doi: 10.1177/00220345770560082901.

DOI:10.1177/00220345770560082901

Abstract

The morphology of bacteriophage-like particles contained in samples of dental plaque is described. The phage-like particles were observed within fusiform-shaped bacteria and in clumps between bacteria. The particles were hexagonal in cross section, approximately 1,100 nm in diameter and contained an electron-dense core. In areas of cell lysis tail forms were observed both free and in association with the particles. Occasional particles were attached to bacterial cell walls by means of shortened tailpieces.

摘要

描述了牙菌斑样本中所含噬菌体样颗粒的形态。在梭形细菌内部以及细菌之间的团块中观察到了噬菌体样颗粒。这些颗粒的横截面呈六边形，直径约为1100纳米，并且含有一个电子致密核心。在细胞裂解区域，观察到了游离的尾部形态以及与颗粒相连的尾部形态。偶尔有颗粒通过缩短的尾丝附着在细菌细胞壁上。