微管中的振动。
Vibrations in microtubules.
作者信息
Pokorný J, Jelínek F, Trkal V, Lamprecht I, Hölzel R
机构信息
Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic ; Institute of Radio Engineering and Electronics, Academy of Sciences of Czech Republic, Prague, Czech Republic.
出版信息
J Biol Phys. 1997 Sep;23(3):171-9. doi: 10.1023/A:1005092601078.
Abstract
Vibrations in microtubules and actin filaments are analysed using amethod similar to that employed for description of lattice vibrationsin solid state physics. The derived dispersion relations show thatvibrations in microtubules can have optical and acoustical branches.The highest frequency of vibrations in microtubules and in actinfilaments is of the order of 10(8) Hz. Vibrations are polar andinteraction with surroundings is mediated by the generatedelectromagnetic field. Supply of energy from hydrolysis of guanosinetriphosphate (GTP) in microtubules and of adenosine triphosphate(ATP) in actin filaments may excite the vibrations.
摘要
使用一种类似于描述固态物理学中晶格振动所采用的方法，对微管和肌动蛋白丝中的振动进行了分析。推导得到的色散关系表明，微管中的振动可以有光学支和声学支。微管和肌动蛋白丝中振动的最高频率约为10⁸Hz。振动是极性的，与周围环境的相互作用是由产生的电磁场介导的。微管中鸟苷三磷酸（GTP）水解以及肌动蛋白丝中三磷酸腺苷（ATP）水解所提供的能量可能会激发这些振动。
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