TN curve: A novel 3D graphical representation of DNA sequence based on trinucleotides and its applications
被引:66
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作者:
Yu, Jia-Feng
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机构:
Southeast Univ, Sch Biol Sci & Med Engn, State Key Lab Bioelect, Nanjing 210096, Peoples R China
Dezhou Univ, Dept Phys, Key Lab Biophys, Shandong Univ, Dezhou 253023, Peoples R ChinaSoutheast Univ, Sch Biol Sci & Med Engn, State Key Lab Bioelect, Nanjing 210096, Peoples R China
Yu, Jia-Feng
[1
,2
]
Sun, Xiao
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机构:
Southeast Univ, Sch Biol Sci & Med Engn, State Key Lab Bioelect, Nanjing 210096, Peoples R ChinaSoutheast Univ, Sch Biol Sci & Med Engn, State Key Lab Bioelect, Nanjing 210096, Peoples R China
Sun, Xiao
[1
]
Wang, Ji-Hua
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Dezhou Univ, Dept Phys, Key Lab Biophys, Shandong Univ, Dezhou 253023, Peoples R ChinaSoutheast Univ, Sch Biol Sci & Med Engn, State Key Lab Bioelect, Nanjing 210096, Peoples R China
Wang, Ji-Hua
[2
]
机构:
[1] Southeast Univ, Sch Biol Sci & Med Engn, State Key Lab Bioelect, Nanjing 210096, Peoples R China
[2] Dezhou Univ, Dept Phys, Key Lab Biophys, Shandong Univ, Dezhou 253023, Peoples R China
In this paper, a novel 3D graphical representation of DNA sequence based on trinucleotides is proposed. This representation allows direct inspection of composition as well as distribution of trinucleotides in DNA sequence for the first time and avoids loss of information, from which one can obtain more information. Based on this novel model, six numerical descriptors of DNA sequence are deduced without complicated calculations, and the applications in similarities/dissimilarities analysis of coding sequences and conserved genes discrimination illustrate their utilities. In addition, two simple methods for similarities/dissimilarities analysis of coding sequences among different species are exploited by using two vectors composed of 64 and six components, respectively, which can provide convenient sequence alignment tools for both computational scientists and molecular biologists. (C) 2009 Elsevier Ltd. All rights reserved.
机构:
Dalian Univ Technol, Sch Math Sci, Dalian 116024, Liaoning, Peoples R China
Shandong Jiaotong Univ, Dept Math & Phys, Jinan 250023, Shandong, Peoples R ChinaDalian Univ Technol, Sch Math Sci, Dalian 116024, Liaoning, Peoples R China
Huang, Yujuan
Wang, Tianming
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机构:
Dalian Univ Technol, Sch Math Sci, Dalian 116024, Liaoning, Peoples R ChinaDalian Univ Technol, Sch Math Sci, Dalian 116024, Liaoning, Peoples R China