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物理学报. 2008, 57(7): 3983-3988.
doi: 10.7498/aps.57.3983.
色交叉关联噪声对基因转录调节系统的影响
- 收稿日期: 2007-08-20
- 修回日期: 2007-12-13
- 刊出日期: 2008-07-20
English Abstract
Effect of colored cross-correlated noise on the gene transcriptional regulatory system
- Received Date:
20 August 2007
- Accepted Date:
13 December 2007
- Published Online:
20 July 2008
Abstract: The transient properties (e.g., the mean first passage time T) of the gene transcriptional regulatory system driven by colored cross-correlated noise are investigated. The approximate Fokker-Planck equation is obtained based on the Novikov theorem and the Fox approach and the explicit expression of the mean first passage time is derived. The numerical computation results show that for the case of strong correlation intensity and short correlation time，a successive switch process (i.e.，“on”→“off”→“on”) occurs; for tha case of weak correlation intensity and long correlation time，only one switch process occurs (i.e.，“on”→“off”). The reentrance phenomena appear in the gene transcriptional regulatory system.
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