1 Comparative genomics of the shikimate pathway in Arabidopsis, Populus trichocarpa and Oryza sativa: shikimate pathway gene family structure and identification of candidates for missing links in phenylalanine biosynthesis Björn Hamberger 1 , Jürgen Ehlting 2 , Brad Barbazuk 3 , and Carl J. Douglas 1 1 Department of Botany, University of British Columbia, Vancouver, BC V6T 1Z4, Canada 2 Institute for Plant Molecular Biology, Centre National de la Recherche Scientifique, 67000 Strasbourg, France 3 Donald Danforth Plant Science Center, St. Louis, Missouri 63132, USA In “Recent Advances in Phytochemistry. Volume 40. Integrative Plant Biochemistry” (J. T. Romeo, ed), Elsevier Ltd, Amsterdam, pp. 85-113 (2006)