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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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2 {7 N5 k( a9 i* l5 W  J9 X4 y" GThere are several phylogenetic tree construction
# o. d1 c1 F% A- U. j% emethods that can be used to illustrate the spread of disease 7 `* N) A( f- C" z( R5 H! g
epidemics. One of the methods used is probability-based
0 u8 i- S3 m0 _) Kmaximum likelihood. This paper explains how to identify the % t- A) ~* H  x, n) r& ~, o
spread of the SARS epidemic in the world using the formation of 9 c5 w0 Y: t1 b+ P2 x
phylogenetic trees using the maximum likelihood method. The
" ?1 K& [+ _. \" ^$ V: I% Xoutput obtained was a description of the spread of SARS virus " _- L* P6 j" }7 J$ {$ y% r# J1 u. y/ ]
with the selection of tree candidates after performing a heuristic ; i* [( X9 ]: _
search of the Stepwise Addition method. The result of the research
1 d5 D& }3 h7 A6 N, e1 E$ ashowed that the closest distance to the palm civet is GZ 02/18/03
+ `" s7 a" S3 g0 C" v# Y+ e: g% eindicating that the initial spread of the SARS epidemic started + q) ^9 b4 E- J. S
from Guangzhou.
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