Properties of sodium-driven bacterial flagellar motor: A two-state model approach
Properties of sodium-driven bacterial flagellar motor: A two-state model approach
复制标题
钠驱动细菌鞭毛运动的特性:两种状态模型方法
DOI:
10.1142/s0217984914502704
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发表时间:
2013-12
影响因子:
1.9
通讯作者:
Yunxin Zhang
中科院分区:
文献类型:
--
作者:
Yunxin Zhang
Bacterial flagellar motor (BFM) is one of the ion-driven molecular machines, which drives the rotation of flagellar filaments and enable bacteria to swim in viscous solutions. Understanding its mechanism is one challenge in biophysics. Based on previous models and inspired by the idea used in description of motor proteins, in this study one two-state model is provided. Meanwhile, according to corresponding experimental data, mathematical relationship between BFM membrane voltage and pH value of the environment, and relationship between internal and external sodium concentrations are given. Therefore, with model parameter values obtained by fitting theoretical results of torque-speed relation to recent experimental data, many biophysical properties of bacterial flagellar motor can be obtained for any pH values and any external sodium concentrations, including the rotation speed, stall torque (i.e. the torque generated by BFM), rotation dispersion, and rotation randomness. In this study, the single-stator BFM will be firstly analyzed, and then properties of multiple-stator BFM are addressed briefly.
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影响因子:
8.6
作者:
Kumiko Hayashi;H. Ueno;R. Iino;H. Noji
通讯作者:
Kumiko Hayashi;H. Ueno;R. Iino;H. Noji
DOI:
10.1007/s10955-009-9695-3
发表时间:
2008-10
期刊:
J Stat Phys
影响因子:
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作者:
张云新
通讯作者:
张云新
影响因子:
2.6
作者:
张云新
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张云新
影响因子:
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作者:
Thomas, Dennis R.;Francis, Noreen R.;DeRosier, David J.
通讯作者:
DeRosier, David J.
影响因子:
3.4
作者:
A. Zilman
通讯作者:
A. Zilman