Dynamic assembly of MinD on phospholipid vesicles regulated by ATP and MinE

被引：236

作者：

Hu, ZL

Gogol, EP

Lutkenhaus, J

机构：

[1] Univ Kansas, Med Ctr, Dept Microbiol Mol Genet & Immunol, Kansas City, KS 66160 USA

[2] Univ Missouri, Sch Biol Sci, Kansas City, MO 64110 USA

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2002年 / 99卷 / 10期

关键词：

D O I：

10.1073/pnas.102059099

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Selection of the division site in Escherichia coli is regulated by the min system and requires the rapid oscillation of MinD between the two halves of the cell under the control of MinE. In this study we have further investigated the molecular basis for this oscillation by examining the interaction of MinD with phospholipid vesicles. We found that MinD bound to phospholipid vesicles in the presence of ATP and, upon binding, assembled into a well-ordered helical array that deformed the vesicles into tubes. Stimulation of the MinD ATPase by addition of MinE led to disassembly of the tubes and the release of MinD from the vesicles. It is proposed that this MinE-regulated dynamic assembly of MinD underlies MinD oscillation.

引用

页码：6761 / 6766

页数：6

共 40 条

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