Molecular fluctuation in living cells.
The concept of molecular fluctuation in living cells is introduced. Many apparently different experimental facts in living cells, including the velocity non-uniformity of organelle movement, the saltatory movement of transport vesicles in axoplasmic transport, the chromosome oscillation during metaphase in mitosis and the pauses in the chromosome movement during anaphase are explained using a unified viewpoint. A method of determination of average number of the attached motor protein molecules from the experimental data is also proposed.
Tang
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Institute of High Energy Physics, Chinese Academy of Sciences, 100039, Beijing, China.