[1] Univ Tokyo, Lab Genome Dis, Ctr Human Genome, Tokyo 1138654, Japan
[2] Osaka Univ, Dept Genome Informat, Genome Informat Res Ctr, Microbial Dis Res Inst, Suita, Osaka 565, Japan
[3] Wageningen Univ, Dept Nematol, Wageningen, Netherlands
[4] Univ Groningen, Groningen Bioinformat Ctr, Groningen, Netherlands
[5] Res Org Informat & Syst, Database Ctr Life Sci, Tokyo, Japan
[6] Fdn Ist Nazl Genet Mol, Integrat Biol Program, Milan, Italy
[7] Wellcome Trust Sanger Inst, Cambridge, England