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标题: Maximum Likelihood Method on The Construction of Phylogenetic Tree for Ident... [打印本页]

作者: 杨利霞    时间: 2020-11-12 16:36
标题: Maximum Likelihood Method on The Construction of Phylogenetic Tree for Ident...
Maximum Likelihood Method on The Construction of
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Phylogenetic Tree for Identification the Spreading of

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SARS Epidemic

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( T6 ~  Y2 p, e' ^7 zThere are several phylogenetic tree construction % I& h( r7 s$ H$ \1 y4 }/ d
methods that can be used to illustrate the spread of disease
7 W* x9 _& T/ }epidemics. One of the methods used is probability-based
& k! x1 I+ _1 o, Tmaximum likelihood. This paper explains how to identify the 6 d6 y# L. q! v2 v5 t( C9 b8 g
spread of the SARS epidemic in the world using the formation of
- M7 h& n4 [/ O( h4 X7 f1 vphylogenetic trees using the maximum likelihood method. The # N2 F. U0 y( @# o
output obtained was a description of the spread of SARS virus
; I. E. ?6 Y5 \& w. G. \* z' B  x+ Nwith the selection of tree candidates after performing a heuristic 9 F# N+ ?' U9 i
search of the Stepwise Addition method. The result of the research : F/ q3 }+ |" y
showed that the closest distance to the palm civet is GZ 02/18/03 5 v. d2 r. B& V5 X
indicating that the initial spread of the SARS epidemic started
2 N+ ?$ K; d8 k* g) L1 Z8 hfrom Guangzhou. & U  P$ r2 `  p6 }/ a

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