1. Bio-Analytic Resource for Plant Biology, Department of Cell and Systems Biology/Centre for the Analysis of Genome Evolution and Function, University of Toronto Toronto, Ontario M5S 3B2, Canada
2. The Arabidopsis Information Resource/Phoenix Bioinformatics Fremont, California 94538
3. National Center for Genome Resources Santa Fe, New Mexico 87505
4. J. Craig Venter Institute Rockville, Maryland 20850
5. Bio-Analytic Resource for Plant Biology, Department of Cell and Systems Biology/Centre for the Analysis of Genome Evolution and Function, University of Toronto, Toronto, Ontario M5S 3B2, Canada