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题名: Rescaled range and transition matrix analysis of DNA sequences
作者: Yu, ZG ;  Chen, GY
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2000
卷号: 33, 期号:4, 页码:673-678
关键词: FRACTAL CORRELATIONS ;  SPECTRUM ;  MODEL
学科分类: Physics
通讯作者: Yu, ZG , Xiangtan Univ, Dept Math, Xiangtan 411105, Hunan Province, Peoples R China.
部门归属: Xiangtan Univ, Dept Math, Xiangtan 411105, Hunan Province, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We treat some fractal and statistical features of the DNA sequences. First, a fractal record model of DNA sequence is proposed by mapping DNA sequences to integer sequences, followed by the R/S analysis of the model and computation of the Hurst exponents. Second, we consider the transition between the four kinds of bases within DNA. The transition matrix analysis of DNA sequences shows that some measures of complexity based on transition proportion matrices are of interest. The main results are: I) H-exon > H-intron for virus. But H-intron > H-exon for the species which have the shape of cell except for drosophila. 2) For virus, E. coli, yeast, drosophila, mouse and human, measure H of transition proportion matrix of exon is larger than that of intron, and measures lambda, D, C, (D) over tilde and (C) over tilde of transition proportion matrix of intron are larger than those of exon. 3) Regarding the evolution, we find that when the species go higher in grade, the measures D, C, (D) over tilde and (C) over tilde of exon become larger, the measure H of exon becomes less except for yeast. Hence for species of higher grade, the transition rate among the four kinds of bases deviates further from the equilibrium.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000087688200028
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12955
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Yu, ZG,Chen, GY. Rescaled range and transition matrix analysis of DNA sequences[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2000,33(4):673-678.
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