应激蛋白SP21在橙色粘球菌吲哚诱导的孢子、子实体及热激细胞中的定位
Localization of the stress protein SP21 in indole-induced spores, fruiting bodies, and heat-shocked cells of Stigmatella aurantiaca.
作者信息
Lünsdorf H, Schairer H U, Heidelbach M
机构信息
Gesellschaft für Biotechnologische Forschung mbH, Abteilung Mikrobiologie, Braunschweig, Germany.
出版信息
J Bacteriol. 1995 Dec;177(24):7092-9. doi: 10.1128/jb.177.24.7092-7099.1995.
Abstract
The localization and distribution of the stress protein SP21 in indole-induced vegetative cells, fruiting bodies, and heat shocked cells of Stigmatella aurantiaca were determined by immunoelectron microscopy. SP21 was found at the cell periphery in heat-shocked cells and either at the cell periphery or within the cytoplasm in indole-induced cells, often concentrated in clusters. In fruiting-body-derived spores, SP21 was located mainly at the cell wall, preferentially at the outer periphery. Furthermore, SP21 antigen was associated with cellular remnants within the stalk and within the peripheral horizon next to the fruiting body.
摘要
通过免疫电子显微镜确定了应激蛋白SP21在橙色小双孢菌的吲哚诱导营养细胞、子实体和热激细胞中的定位和分布。在热激细胞中，SP21位于细胞周边；在吲哚诱导细胞中，SP21位于细胞周边或细胞质内，常聚集成簇。在子实体衍生的孢子中，SP21主要位于细胞壁，优先在外周。此外，SP21抗原与柄内以及子实体旁边外周区域内的细胞残余物相关。
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