Paulsson:Journal 2007/04

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Contents

List of Journals

Biophysical Journal

Cell

EMBO

Genetics

Journal of Bacteriology

Journal of Chemical Physcis

Journal of Molecular Biology

Journal of Physical Chemistry-A

Journal of Physical Chemistry-B

Journal of Physical Chemistry-C

Journal of Physical Chemistry-D

Journal of Physical Chemistry-E

Journal of Statistical Physics

Journal of Theoretical Biology

Lab on a Chip

Molecular Microbiology

  • Oscillating focus of SopA associated with filamentous structure guides partitioning of F plasmid

Toshiyuki Hatano, Yoshiharu Yamaichi, Hironori Niki (2007)

The F plasmid is actively partitioned to daughter cells by the sopABC gene. To elucidate the partitioning mechanisms, we simultaneously analysed movements of the plasmid and the SopA ATPase in single living cells. SopA, which is a putative motor protein assembled densely near nucleoid borders and formed a single discrete focus associated with less dense filamentous distribution along the long axis of the cell. The dense SopA focus oscillates between cell poles. The direction of the plasmid motion switches as the SopA focus switches its position. The velocity of the plasmid motion stays constant while it oscillates moving towards the SopA focus. The low density filamentous distribution of SopA persisted throughout the SopA oscillation. The focus associated with filamentous distribution of SopA was also observed in a cell without nucleoid. The SopA filament may guide the movement of the plasmid as a railway track and lead it to cell quarters.

Molecular Microbiology 64 (5), 1198–1213. doi:10.1111/j.1365-2958.2007.05728.x
[1]

Molecular Systems Biology

Nature

Nature Biotechnology

Nature Genetics

Nature Methods

Plasmid

  • Proceedings of the International Symposium on Plasmid Biology

Plasmid 57 (2007) 182–243
[2]

PLOS

PLOS Computational Biology

PNAS

PRLandE

Quarterly Reviews of Biophysics

Science

Systems Biology

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