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学科主题: 药物依赖
题名:
High order intra-strand partial symmetry increases with organismal complexity in animal evolution
作者: Wang, Shengqin1; Tu, Jing1; Jia, Zhongwei3; Lu, Zuhong1,2
刊名: SCIENTIFIC REPORTS
发表日期: 2014-09-29
DOI: 10.1038/srep06400
卷: 4
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
关键词[WOS]: 2ND PARITY RULE ; COMPOSITIONAL SYMMETRIES ; INVERTED TRANSPOSITIONS ; CODON BIAS ; DNA ; GENOMES ; RECOMBINATION ; INVERSIONS ; SEQUENCES ; BACTERIAL
英文摘要:

For sufficiently long genomic sequence, the frequency of any short nucleotide fragment on one strand is approximately equal to the frequency of its reverse complement on the same strand. Despite being studied over two decades, the precise mechanism involved has not yet been made clear. In this study, we calculated the high order intra-strand partial symmetry (IPS) for 14 animal species by using a fixed sliding window method to scan each genome sequence. The study showed that the IPS was positive associated with organismal complexity measured by the number of distinct cell types. The results indicated that the IPS might be resulted from the increasing of functional non-coding DNAs, and plays an important role in the evolution process of complex body plans.

语种: 英语
所属项目编号: 61227803 ; BK2012331
项目资助者: National Natural Science Foundation of China ; Natural Science Foundation of Jiangsu Province of China
WOS记录号: WOS:000342362300001
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/60342
Appears in Collections:中国药物依赖性研究所_期刊论文

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作者单位: 1.Southeast Univ, Sch Biol Sci & Med Engn, State Key Lab Bioelect, Nanjing 210096, Jiangsu, Peoples R China
2.Peking Univ, Coll Engn, Dept Biomed Engn, Beijing 100781, Peoples R China
3.Peking Univ, Natl Inst Drug Dependence, Beijing 100191, Peoples R China

Recommended Citation:
Wang, Shengqin,Tu, Jing,Jia, Zhongwei,et al. High order intra-strand partial symmetry increases with organismal complexity in animal evolution[J]. SCIENTIFIC REPORTS,2014,4.
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