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Volume 14, Number 2—February 2008
Research

Genetic Determinants of Virulence in Pathogenic Lineage 2 West Nile Virus Strains

Elizabeth M. Botha*, Wanda Markotter*, Mariaan Wolfaardt*, Janusz T. Paweska†, Robert Swanepoel†, Gustavio Palacios‡, Louis H. Nel*, and Marietjie Venter*Comments to Author 
Author affiliations: *University of Pretoria, Pretoria, South Africa; †National Institute for Communicable Diseases, Sandringham, South Africa; ‡Columbia University, New York, New York, USA;

Main Article

Table 3

Percentage amino acid and nucleotide differences when comparing individual proteins of selected West Nile virus strains*

Strain SA381/00 H442 SPU116/89 SA93/01
Capsid
SA381/00
H442 0
SPU116/89 0 0
SA93/01
0
0
0

Envelope
SA381/00
H442 0.8
SPU116/89 0.2 0.6
SA93/01
0.2
0.6
0

NS2A/B
SA381/00
H442 0.6
SPU116/89 0.3 0.8
SA93/01
0.3
0.8
0

NS4A/B
SA381/00
H442 0.2
SPU116/89 0.2 0.5
SA93/01
0
0.2
0.2

prM
SA381/00
H442 0.6
SPU116/89 0.6 0
SA93/01
0.6
0
0

NS1
SA381/00
H442 0.9
SPU116/89 0.9 0
SA93/01
1.1
0.3
0.3

NS3
SA381/00
H442 0.8
SPU116/89 0.6 0.5
SA93/01
0.6
0.5
0

NS5
SA381/00
H442 0.8
SPU116/89 2.1 1.5
SA93/01 1.9 1.3 2.0

*prM, premembrane; NS, nonstructural.

Main Article

Page created: July 07, 2010
Page updated: July 07, 2010
Page reviewed: July 07, 2010
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