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siVirus: web-based antiviral siRNA design software for highly divergent viral sequences
1 Department of Biophysics and Biochemistry, Graduate School of Science, University of Tokyo 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan 2 Undergraduate Program for Bioinformatics and Systems Biology, School of Science, University of Tokyo 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan 3 Department of Computer Science, Graduate School of Information Science and Technology, University of Tokyo 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan 4 Laboratory of Molecular Virology and Epidemiology, AIDS Research Center, National Institute of Infectious Diseases 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
*To whom correspondence should be addressed. Tel: +81 3 5841 4404; Fax: +81 3 5841 4400; Email: y-naito{at}RNAi.jp
Received February 14, 2006. Revised March 24, 2006. Accepted March 24, 2006.
siVirus (http://siVirus.RNAi.jp/) is a web-based online software system that provides efficient short interfering RNA (siRNA) design for antiviral RNA interference (RNAi). siVirus searches for functional, off-target minimized siRNAs targeting highly conserved regions of divergent viral sequences. These siRNAs are expected to resist viral mutational escape, since their highly conserved targets likely contain structurally/functionally constrained elements. siVirus will be a useful tool for designing optimal siRNAs targeting highly divergent pathogens, including human immunodeficiency virus (HIV), hepatitis C virus (HCV), influenza virus and SARS coronavirus, all of which pose enormous threats to global human health.