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Biological Sequences Phylogenetic Trees Constructing

Author: LiuZuoZuo
Tutor: LiDaChao
School: Hainan Normal University,
Course: Basic mathematics
Keywords: DNA sequence Protein sequences Phylogenetic tree Lempel-Ziv complexity Conditions Lempel-Ziv complexity Characteristic sequence Kruskal algorithm Fuzzy Clustering
CLC: Q11
Type: Master's thesis
Year: 2008
Downloads: 303
Quote: 1
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Abstract


With the number of microbial genomes , the human genome , the completion of the Arabidopsis genome and rice genome sequencing project and rapid progress , and gene and protein sequences of various biological research, more and more large molecular sequence data . Computational molecular biology is a new interdisciplinary study molecular biology applications on computational complexity , it has attracted a lot of computer scientists , molecular biologists , mathematicians , physicists involved in research . Calculated molecular the study of biology is related to a combination of gene and protein sequences and computational problems . The main topic of computational molecular biology : combinations of sequences , sequence analysis , databases of biological information , the genes identified racial tree structure prediction . This paper are to explore in some simple but effective method for the analysis of biological data , the main content can be summarized as the following aspects : 1) a brief introduction of some basic knowledge of the molecular biology , including common terminology and basic concepts are brief introduction . As well as a phylogenetic tree constructed introduction of the main methods and software . 2) Construction of evolutionary tree conditions LZ complexity New Method applied Construction of DNA sequences and protein sequences of the evolutionary tree . This method is no requirement on the length of the sequence , and the time complexity is not high , does not involve any model assumptions . 3) Thus, we propose a new method to construct fuzzy similarity matrix theory and calculated curves mean divergence using Kruskal algorithm fuzzy clustering method of graph theory to system graphical representation of the mitochondrial DNA sequence evolutionary tree reconstruction .

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CLC: > Biological Sciences > General Biology > Biological evolution and development
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