publication . Other literature type . Article . Review . 2010

Poles Apart: Prokaryotic Polar Organelles and Their Spatial Regulation

Clare L. Kirkpatrick; Patrick H. Viollier;
Open Access English
  • Published: 18 Nov 2010
  • Publisher: Cold Spring Harbor Laboratory Press
  • Country: Switzerland
Abstract
While polar organelles hold the key to understanding the fundamentals of cell polarity and cell biological principles in general, they have served in the past merely for taxonomical purposes. Here, we highlight recent efforts in unraveling the molecular basis of polar organelle positioning in bacterial cells. Specifically, we detail the role of members of the Ras-like GTPase superfamily and coiled-coil-rich scaffolding proteins in modulating bacterial cell polarity and in recruiting effector proteins to polar sites. Such roles are well established for eukaryotic cells, but not for bacterial cells that are generally considered diffusion-limited. Studies on spatia...
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Subjects
free text keywords: Perspectives, General Biochemistry, Genetics and Molecular Biology, Bacterial Proteins/physiology, Cell Movement/physiology, Cell Polarity/physiology, Fimbriae, Bacterial/physiology, Molecular Motor Proteins/metabolism, Organelles/physiology/ultrastructure, Polysaccharides/metabolism, Prokaryotic Cells/cytology, Ras Proteins/metabolism, Cell biology, Effector, Cell polarity, Cell, medicine.anatomical_structure, medicine, Biology, Organelle, Polar organelle, Scaffold protein, GTPase, Bacterial cell structure, ddc:616
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