[1] Univ British Columbia, Michael Smith Labs, Vancouver, BC V6T 1Z3, Canada
[2] Nat Resources Canada, Canadian Forest Serv, Laurentian Forestry Ctr, Ste Foy, PQ G1V 4C7, Canada
[3] Univ Sherbrooke, Dept Biol, Sherbrooke, PQ J1K 2R1, Canada
[4] Donald Danforth Plant Sci Ctr, St Louis, MO 63132 USA
[5] Boyce Thompson Inst Plant Res, Ithaca, NY 14853 USA
[6] Leibnitz Inst Plant Biochem, D-06120 Halle, Germany
[7] Inst Mol Biol & Physiol, DK-1353 Copenhagen K, Denmark
[8] Natl Inst Agrobiol Sci, Dept Plant Physiol, Tsukuba, Ibaraki 3058602, Japan
[9] Harvard Univ, Sch Med, Dept Mol Biol, Massachusetts Gen Hosp, Boston, MA 02114 USA
[10] Carleton Univ, Dept Biol, Ottawa, ON K1S 5B6, Canada
[11] Univ Missouri, Dept Biochem, Life Sci Ctr 109, Columbia, MO 65211 USA