http://www.sciencemag.org/content/333/6045/1019.full -- Prof. Dr. Klaas Vandepoele Tel. 32 (0)9 33 13822 VIB Department of Plant Systems Biology, Ghent University Technologiepark 927, 9052 Gent, Belgium E-mail: Klaas.Vandepoele@psb.vib-ugent.be Website: http://bioinformatics.psb.ugent.be/cig/ ---------------------------------------------------------