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麻风性水疱病变中麻风分枝杆菌及其周围环境的电子显微镜研究

ELECTRON MICROSCOPE STUDY OF MYCOBACTERIUM LEPRAE AND ITS ENVIRONMENT IN A VESICULAR LEPROUS LESION.

作者信息

Imaeda T, Convit J

机构信息

Instituto Venezolano de Investigaciones Científicas and División de Lepra, Caracas, Venezuela.

出版信息

J Bacteriol. 1962 Jan;83(1):43-52. doi: 10.1128/jb.83.1.43-52.1962.

Abstract

Imaeda, Tamotsu (Instituto Venezolano de Investigaciones Cientificas, Caracas, Venezuela) and Jacinto Convit. Electron microscope study of Mycobacterium leprae and its environment in a vesicular leprous lesion. J. Bacteriol. 83:43-52. 1962.-Biopsied specimens of a borderline leprosy lesion were observed with the electron microscope. In this lesion, the majority of Mycobacterium leprae were laden with cytoplasmic components. The bacilli were separated from the cytoplasm of host cells by an enclosing membrane, thus differing from the environment of well-developed lepra cells in lepromatous lesions. The cell wall is composed of a moderately dense layer. A diffuse layer is discernible outside the cell wall, separated from it by a low density space. It is suggested that the cell wall is further coated by a low density layer, although the nature of the outermost diffuse layer has not yet been determined. The plasma membrane consists of a double layer, i.e., dense inner and outer layers separated by a low density space. The outer layer is closely adjacent to the cell wall. In the region where the outer layer of the plasma membrane enters the cytoplasm and is transformed into a complex membranous structure, the inner layer encloses this membranous configuration. Together they form the intracytoplasmic membrane system. In the bacterial cytoplasm, moderately dense, presumably polyphosphate bodies are apparent. As neither these bodies nor the intracytoplasmic membrane system are visible in the degenerating bacilli, it seems probable that these two components represent indicators of the state of bacillary activity.

摘要

今枝保津(委内瑞拉加拉加斯委内瑞拉科学研究所)和哈辛托·孔维特。水疱性麻风病变中麻风杆菌及其周围环境的电子显微镜研究。《细菌学杂志》83:43 - 52。1962年。——对一例界线类麻风病变的活检标本进行了电子显微镜观察。在该病变中,大多数麻风杆菌充满了细胞质成分。杆菌通过一层包膜与宿主细胞的细胞质分隔开,这与瘤型麻风病变中成熟麻风细胞的环境不同。细胞壁由一层中等密度的层组成。在细胞壁外可辨别出一层弥散层,它与细胞壁由一个低密度空间分隔开。有人提出细胞壁进一步被一层低密度层覆盖,尽管最外层弥散层的性质尚未确定。质膜由双层组成,即由一个低密度空间分隔开的致密内层和外层。外层紧邻细胞壁。在质膜外层进入细胞质并转化为复杂膜结构的区域,内层包围着这种膜结构。它们共同形成胞质内膜系统。在细菌细胞质中,可见中等密度的、大概是多磷酸盐体。由于在退化的杆菌中既看不到这些体也看不到胞质内膜系统,这两个成分似乎很可能代表杆菌活性状态的指标。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a6c8/314786/a2bd3ff6762b/jbacter00594-0062-a.jpg

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