Navigating signaling networks:: chemotaxis in Dictyostelium discoideum

被引:55
作者
Franca-Koh, Jonathan [1 ]
Kamimura, Yoichiro [1 ]
Devreotes, Peter [1 ]
机构
[1] Johns Hopkins Univ, Sch Med, Dept Cell Biol, Baltimore, MD 21205 USA
关键词
D O I
10.1016/j.gde.2006.06.001
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Studies of chemotaxis in the social amoeba Dictyostelium discoideum have revealed numerous conserved signaling networks that are activated by chemoattractants. In the presence of a uniformly distributed stimulus, these pathways are transiently activated, but in a gradient they are activated persistently and can be localized to either the front or the back of the cell. Recent studies have begun to elucidate how chemoattractant signaling regulates the three main components of chemotaxis: directional sensing, pseudopod extension, and polarization.
引用
收藏
页码:333 / 338
页数:6
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