铜绿假单胞菌一种可溶性甲基接受蛋白的极性定位
Polar localization of a soluble methyl-accepting protein of Pseudomonas aeruginosa.
作者信息
Bardy Sonia L, Maddock Janine R
机构信息
Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, 48109, USA.
出版信息
J Bacteriol. 2005 Nov;187(22):7840-4. doi: 10.1128/JB.187.22.7840-7844.2005.
Abstract
A soluble methyl-accepting chemotaxis protein (MCP) of Pseudomonas aeruginosa, McpS, showed polar localization by immunofluorescence microscopy. Overexpression of McpS resulted in a dominant-negative effect on chemotaxis and caused a loss of polar clustering of the general MCP population. The polar localization of a soluble MCP defines a third, and unexpected, paradigm for cellular MCP localization.
摘要
铜绿假单胞菌的一种可溶性甲基接受趋化蛋白（MCP），即McpS，通过免疫荧光显微镜显示出极性定位。McpS的过表达对趋化作用产生显性负效应，并导致一般MCP群体的极性聚集丧失。可溶性MCP的极性定位定义了细胞MCP定位的第三种且意想不到的模式。
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